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1. What are two constraints that you may encounter when trying to design a IPTelephone infrastructure?
A. Upper level management acceptanceB. Budgetary Constraints
C. STP reliabilityD. IP convergence
Answer(s) Rank (%) Rank (# votes) Answer Rationale
A,B 5% 1/19 Rationales
B 26% 5/19 Rationales
A 21% 4/19 Rationales
C 5% 1/19 Rationales
D 42% 8/19 Rationales
2. From the list below, what allows a Cisco IP phone to detect the absence of audioand therefore does not transmit packets over the network?
A. IpngB. PBX Filters
C. Voice Activation DetectionD. DHE
E. Call Waiting
Answer(s) Rank (%) Rank (# votes) Answer Rationale
A 10% 1/10 Rationales
D 20% 2/10 Rationales
C 70% 7/10 Rationales
3. Which device listed below has an intelligent power management system that
grants or denies power to various system components based on power availability in
the system for use with IP telephony?A. Cisco 7309 VXD Router
B. Cisco Works plug in
C. CallManagerD. Catalyst 6000 switch
Answer(s) Rank (%) Rank (# votes) Answer Rationale
D 80% 4/5 Rationales
A 20% 1/5 Rationales
4. From the list below, what protocol is designed to provide end-to-end network
transport functions for applications transmitting real-time data, such as audio, video,or simulation data, over Multicast or Unicast network services.
A. CAM
B. IPTVC. STPD. RTP
E. DMVRPF. PIM
G. IS-IS
Answer(s) Rank (%) Rank (# votes) Answer Rationale
D 100% 5/5 Rationales
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5. The Cisco CallManager dial plan architecture is set up to handle two general types
of calls. What are they? (Choose all that apply.)A. External calls through a SAA Gateway
B. External calls through a PSTN gateway or to another Cisco CallManager clusterC. Internal calls From the source router to the PBX-1
D. Internal calls to Cisco IP phones registered to the Cisco CallManager cluster itself-
E. Internal calls from the IP SoftPhone to the 7200 VXR2
F. External calls through the last downstream CallManager phone set.
Answer(s) Rank (%) Rank (# votes) Answer Rationale
B,D 100% 4/4 Rationales
6. Choose all functions available to you with the IP SoftPhone. (Choose all thatapply.)
A. Automatic IPX blocking ASICsB. Displays caller name
C. Displays the caller addressD. Resets all calls every 1 hourE. Logs calls to the call log
F. Displays caller phone number
Answer(s) Rank (%) Rank (# votes) Answer Rationale
B,C,E,F 33% 1/3 Rationales
B,E,F 67% 2/3 Rationales
7. What is used to translate called (DNIS) and calling automatic numberidentification (ANI) numbers before routing the call?
A. IR IP internetworking
B. Transitional PatternC. PIM RoutingD. Translation Pattern
Answer(s) Rank (%) Rank (# votes) Answer Rationale
D 100%2/2
Rationales
Vote Fr Answer8. What is the key element in call admission control when interconnecting
CallManager sites via the IP WAN?A. gatekeepers
B. voice messagingC. media resources
D. call processing agents
Answer(s) Rank (%) Rank (# votes) Answer Rationale
A 100% 2/2 Rationales
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9. What does the Digit Discard Instruction of PreDot do to the pattern9.2148134444?
A. prefix a 9 before the - if none is dialledB. discard 2148134444 and send the 9 access code
C. only collect the first four digits counting right to left.D. change it to 2148134444 before presenting it to the PSTN
Answer(s) Rank (%) Rank (# votes) Answer Rationale
D 100% 2/2 Rationales
10. What can be used not only to restrict dialing, but also to identify a subset of a
subset of a wildcard pattern (when using the @ wildcard in the North AmericanDialing Plan)?
A. An IS sheetB. A ACL
C. A Route FilterD. A DN top
Answer(s) Rank (%) Rank (# votes) Answer Rationale
C 100% 1/1 Rationales
11. In a distributed call processing model, which three are located at each site?
(Choose three.)A. gatekeeper
B. voice messagingC. media resources
D. Cisco CallManager cluster
Answer(s) Rank (%) Rank (# votes) Answer Rationale
B,C,D 40% 2/5 Rationales
A,B,D 40% 2/5 Rationales
A,C,D 20% 1/5 Rationales
Answer
12. What unlocks the 7960 configuration menu?
A. **3
B. **#
C. **4D. **#*
Answer(s) Rank (%) Rank (# votes) Answer Rationale
B 100% 2/2 Rationales
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13. What is a logical grouping of directory numbers (DN) and route patterns withsimilar reachability characteristics when working with IP Telephony?
A. Call ManagerB. CiscoWorks IP set
C. A DSND. A Partition
Answer(s) Rank (%) Rank (# votes) Answer Rationale
D 100% 1/1 Rationales
14. What are two characteristics of a distributed call processing model? (Choose
two.)A. sites connected via the PSTN
B. sites connected via the IP WANC. call processing agent at one site
D. call processing agent at each site
Answer(s) Rank (%) Rank (# votes) Answer RationaleB,D 100% 1/1 Rationales
Answer
15. If a PC connected to an IP Phone is having trouble obtaining an IP address, which
setting on the phone might help resolve the problem?A. Admin VLAN
B. Spanning TreeC. Default Gateway
D. Forwarding Delay
Answer(s) Rank (%) Rank (# votes) Answer Rationale
D 75% 3/4 Rationales
A 25% 1/4 Rationales
Answer
16. Name two sensitivities that Voice traffic has that data traffic is not necessarilyaffected by.
A. TPIB. RFI
C. DelayD. EMI
E. Jitter
F. Noise
Answer(s) Rank (%) Rank (# votes) Answer Rationale
C,E 100% 1/1 Rationales
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17. When an IP phone says Configuration CM List, what is it doing?
A. downloading a .cnf.xmk file via TFTPB. retrieving the OS79XX.txt files from TFTP
C. downloading the application load from the TFTP serverD. attempting to register with the first two CallManagers onits list of configure
CallManagers
Answer(s) Rank (%) Rank (# votes) Answer Rationale
A 67% 2/3 Rationales
D 33% 1/3 Rationales
swer
18. When placing a call from an IP Phone to another IP Phone, how is ringbackgenerated??
A. CallManager generates an RTP stream to play ringback on the originated phone.B. CallManager sends a command to the originating IP Phone to play ringback locally.
C. The originating IP Phone plays ringback locally until the RTP stream has been
established.D. The phone is connected to an audio file server that generates the inband ringback
tones.
Answer(s) Rank (%) Rank (# votes) Answer Rationale
B 100% 1/1 Rationales
Answer
19. IP Telephony uses which protocol that does not accommodate re-transmission?
A. RIP (Routing Information Protocol)
B. IP (Internet Protocol)C. RTP (real time protocol)D. TCP (Transmission Control Protocol)
Answer(s) Rank (%) Rank (# votes) Answer Rationale
C 100% 1/1 Rationales
20. Which file does the BAT tool use to import users into the CallManager database?
A. CSVB. Microsoft Word
C. Microsoft Excel
D. Tab-delimited text file
Answer(s) Rank (%) Rank (# votes) Answer Rationale
A 100% 4/4 Rationales
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21. When the Directories button on the 7960 phone is pressed, what does the 7960
use to retrieve the Dirctory information?A. XML
B. SQLC. LDAP
D. Skinny
Answer(s) Rank (%) Rank (# votes) Answer Rationale
A 100% 1/1 Rationales
Answer
22. Name two factors that will need to be considered and may provide a hurdle to
move forward with your VOIP rollout and IP telephony implementation:A. Money Flow issues.
B. Business RequirementC. Technical Constraints
D. Budget constraintsE. Project Management Meetings
Answer(s) Rank (%) Rank (# votes) Answer Rationale
A,C 33% 1/3 Rationales
B 33% 1/3 Rationales
C 33% 1/3 Rationales
23. Which field can be manually entered into the database when using the BAT tool,
but not when using the TAPS tool??A. Partiition
B. Directory numberC. Device MAC address
D. Calling Search Space
Answer(s) Rank (%) Rank (# votes) Answer Rationale
C 100% 1/1 Rationales
24. Which network protocols does an IP Phone use to communicate?A. TCP/IP for both skinny signalling and RTP voice streams
B. UDP/IP for both skinny signalling and RTP voice streamsC. TCP/IP for skinny signalling and UDP/IP for RTP voice streams.
D. TCP/IP for skinny signalling and TCP/IP for RTP voice streams.
Answer(s) Rank (%) Rank (# votes) Answer Rationale
B 25% 1/4 Rationales
C 75% 3/4 Rationales
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25. Name two standards that are being adopted from by the telecommunicates
industry that are used to communicate between applications such as the CiscoCallManager providing IP PBX functionality and unified products such as the
GateServer products acquired through the acquisition of Amteva. (Select two.)A. The Java Telephone Application Programmable Interface (JTAPI)
B. The IP Telephone Call protocol (IPTC)C. The Telephony Application programmable Interface (TAPI)
D. The System Architecture Voice Telephony Architecture (SAVTA)
Answer(s) Rank (%) Rank (# votes) Answer Rationale
A,C 9% 1/11 Rationales
D 9% 1/11 Rationales
C 9% 1/11 Rationales
B 64% 7/11 Rationales
A 9% 1/11 Rationales
26. Which two tools are most appropriate for configuring 4,000 IP Phones prior to
deploying the phones and allow phones to auto register? (Choose two.)?A. ART
B. BATC. AST
D. TAPS
Answer(s) Rank (%) Rank (# votes) Answer Rationale
B,D 100% 1/1 Rationales
27. When does an IP Phone receive the ring tones on the phone?A. The phone downloads the wave file on boot.
B. The phone downloads based upon user selection.C. The phone downloads the wave file on every request.
D. The phone downloads based on CallManager request.
Answer(s) Rank (%) Rank (# votes) Answer Rationale
C 50% 1/2 Rationales
A 50% 1/2 Rationales
28. Cisco is making every effort to ensure that the gateways, applications, and clientproduced integrate and operate seamlessly with third party products. From the list
below, select which protocols are being used to ensure this effort.A. H.323. B. Session Initiation Protocol (SIP)
B. Media Gateway Control Protocol (MGCP)
C. Simple Gateway Control Protocol (SGCP)D. All choices are correct.
Answer(s) Rank (%) Rank (# votes) Answer Rationale
33% 1/3 Rationales
D 67% 2/3 Rationales
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29. You have all ten digits being sent to your CM from the PSTN (via a gateway). Ifyou have four digit extensions, how do you make sure that the call gets routed?
A. update the Phone Calling Parity maskB. change the Route Group configuration
C. configure the GW to only collect four digitsD. change the Network Side/User Side Parameter on the gateway
Answer(s) Rank (%) Rank (# votes) Answer Rationale
C 100% 1/1 Rationales
30. What Cisco Catalyst Switch command produces the following inline power
output?Defalut Inline Power allocation per port: 10.00 Watts (0.23 Amps @42V)
Port InlinePowered PowerAllocatedAdmin Oper Detected mWatt mA @42V
---- ---- ---- ---- ----7/1 auto off no 0 0. 7/2 auto on yes 5040 120. 7/3 auto faulty yes 12600 300. 7/4
auto deny yes 0 0. 7/5 off off no 0 0.
A. show cam inlinepower |
B. show port inline |C. show port inlinepower |
D. show port power |
Answer(s) Rank (%) Rank (# votes) Answer Rationale
C 100% 1/1 Rationales
31. Your Manager asks you as the Lead Network Designer to give a status on theVOIP integration project. Your Manager specifically asks what you need to replace
the PBX. From the list below, what are you going to need to replace the PBX to roll
out the VOIP solution? (Choose all that apply.)A. TCP/IP
B. Cisco CallManager
C. IPX/SPX compatibleD. IP Telephones
E. All of the answersF. Cat 4000's
Answer(s) Rank (%) Rank (# votes) Answer Rationale
A,B,D,F 100% 1/1 Rationales
32. You need to prefix any outbound number dialled by a user with a 9. Where can
you do this? (Choose two.)A. in a Route Filter
B. on a Route Pattern
C. on a Translation PatternD. on the phone configuration mask
Answer(s) Rank (%) Rank (# votes) Answer Rationale
B,C 100% 1/1 Rationales
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33. Before voice and video can be placed on a network, it is necessary to ensure thatadequate bandwidth exists for all required applications. To begin, the minimum
bandwidth requirements for each major application (for example, the voice mediastreams, video streams, voice control protocols, and all data traffic) should be
summed. This sum represents the minimum bandwidth requirement for any givenlink, and it should consume no more than what percentage of the total bandwidth
available on that link?A. 25%
B. 50%
C. 100%D. 75%
Answer(s) Rank (%) Rank (# votes) Answer Rationale
D 100% 1/1 Rationales
34. There are six major steps for WAN deployment when preparing IP telephony.
From the list below, please select which of the following are valid pre deploymentchoices. (Choose all that apply.)
A. Choosing Wiring Closets carefullyB. Determining Voice Bandwidht RequirementsC. Assessing Results
D. Selecting the right handset for the IP SoftPhoneE. Analyzing Upgrade Requirements
F. Collecting Information on the Current WAN Environment
Answer(s) Rank (%) Rank (# votes) Answer Rationale
B,C,E,F 100% 1/1 Rationales
35. When discussing Route Groups, we know that they control specific devices suchas gateways. On which protocols can gateways be based?
A. H.323
B. MGCPC. IPNCP
D. Skinny Gateway Protocol
E. SNAF. SAA
G. DecLat
Answer(s) Rank (%) Rank (# votes) Answer Rationale
A,B,D 100% 1/1 Rationales
36. Which of the following statements is correct when discussing how the Cisco
CallManager works with IP Phone registration? (Choose all that apply.)
A. On initial configuration, an IP phone is assigned a DSNP listing, which it loseswhen moved.
B. On initial configuration, an IP phone is assigned a directory number (DN), which it
loses when movedC. On initial configuration, an IP phone is assigned a DSNP, which it maintains
wherever it residesD. On initial configuration, an IP phone is assigned a directory number (DN)k, which
it maintains wherever it resides.
Answer(s) Rank (%) Rank (# votes) Answer Rationale
D 100% 1/1 Rationales
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37. For very low-speed links (those with a link speed of less than 768 K), it isnecessary to use techniques that provide link fragmentation and interleaving of
packets. This prevents voice traffic from being delayed behind large data frames andhence bounds jitter.
What are two techniques that exist for this?
A. Ipng for DSL linksB. LECS for ATM links
C. Multilink PPP (MLP) for serial links
D. FRF.12 for Frame Relay
Answer(s) Rank (%) Rank (# votes) Answer Rationale
C,D 100% 1/1 Rationales
38. With Cisco CallManager Release 3.0, the term route point is replaced withwhich term from the list below?
A. Call listB. Phone/list
C. Route listD. IP_PHONE_SETE. Phone-all
F. Route Print
Answer(s) Rank (%) Rank (# votes) Answer Rationale
C 100% 1/1 Rationales
39. If you were troubleshooting No Ringback Tone on ISDN-VoIP (H.323) Calls andhad problem that POTS (PSTN/PBX) user places a call (through Cisco
router/gateways) and does not hear ringback tone before call is answerered, whatwould you do?
A. Use the conf inline power command because it is not set in the terminating router.
B. Reset all the phone connections on the IP SoftPhones
C. Configure CiscoWorks CallManager to handle all errors automatically.
D. Configure the Cisco IOS global configuration command voice call send-alert in theterminating router
Answer(s) Rank (%) Rank (# votes) Answer Rationale
D 100% 1/1 Rationales
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40. When analyzing the WAN for IP Telephone deployment, you need to collect
information from the WAN and LAN devices. You need to determine currentBandwidth usage before rolling out a solution. From the analysis you are performing,
there are categories you can collect information from.
Select two from the list below.
A. Device information, which includes router models, memory, CPU, interface card
modules versions and software versionsB. The serial numbers from the Meridian Phone System
C. The existing WAN topology, which includes logical design information and
bandwidth subscription ratesD. LAN information as in the make and model of the Remote site closet Nortel
equipmentE. You need all the CiscoWorks server configurations to make sure you can install
Call Manager
Answer(s) Rank (%) Rank (# votes) Answer Rationale
A,C 100% 1/1 Rationales
41. Which will provide your IP Phones with an IP Address?
A. The technician, it has to be statically assigned.
B. Any DHCP serverC. The Cisco CallManager DHCP snap-in with CiscoWorks.
D. IP Phones do not need an IP address.
Answer(s) Rank (%) Rank (# votes) Answer Rationale
B 100% 1/1 Rationales
42. Calls between IP and PBX users can use all of the features provided by eachsystem, and that subset is defined by the level of complexity of the voice interface
between the IP network and the PBX.
A. FakeB. True
Answer(s) Rank (%) Rank (# votes) Answer Rationale
A 100% 1/1 Rationales
43. Your manager asks you for a worksheet defining items that need to be addressedfor the future VOIP and IP telephone rollout.What items do you put on the worksheet
that need to be addresses for the wiring closets? (Choose all that apply.)
A. Switches with Inline Power
B. A 7000 series router to backup the switch with HSRP
C. PBX failoverD. UPS systems and Backup power
E. Cooling Requirements (a heat profile)
Answer(s) Rank (%) Rank (# votes) Answer Rationale
A,D,E 100% 1/1 Rationales
44. Which organization approved the H.323 standard?A. ITEF
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B. IEEEC. FEMA
D. Bell AtlanticE. ITU
Answer(s) Rank (%) Rank (# votes) Answer Rationale
E 100% 1/1 Rationales
45. What explains how the Cisco IP SoftPhone uses the Cisco CallManager?A. The IP SoftPhone does not work with the Cisco CallManager
B. Cisco IP SoftPhone uses the services of the Cisco CallManager to route callsthrough an IP telephony network.
C. Any IP SoftPhone plugs directly into the CallManager IPSP jack for onsite supportD. The IP SoftPhone will use CallManager to reset all voicemail on the PBX.
Answer(s) Rank (%) Rank (# votes) Answer Rationale
B 100% 1/1 Rationales
46. What from the list below combines voice mail, e-mail, and fax into a singleapplication suite where a single application can be used to store and retrieve entire
suite of message types?A. PBSX Listing
B. Name Resolution IPTCC. Call Manager 3.01
D. Cat 4000 STP v3E. Unified messaging
Answer(s) Rank (%) Rank (# votes) Answer Rationale
E 100% 1/1 Rationales
47.Currently, unlike traditional phone service, IP telephone service is relatively
unregulated by government.
A. TrueB. False
Answer(s) Rank (%) Rank (# votes) Answer Rationale
A 100% 1/1 Rationales
48. You are the Lead Network Engineer for your company. Your manager asks what
needs to be upgraded on the Network to begin Preparing for the VOIP upgrade. YourNetwork Campus Consists of One Core Rack of Cat 4000 Switches and 4 closets with
BayStack and Synoptics hubs. IP phones will be placed on every desk of the
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organization and the entire Campus is wired with Cat 5e.From the list below, whatneeds to be done ? (Select all that apply.)
A. Upgrade all the Wire to Cat 6
B. Install 7200 VXR's in Every Close to Route all IP traffic to the Core SwitchC. Upgrade the Cat 4000's to 6000 series
D. Upgrade all the Hubbed gear with Cat 4000 series Switches
Answer(s) Rank (%) Rank (# votes) Answer Rationale
D 100% 1/1 Rationales
49. When they are booted, the Cisco Access Digital Trunk Gateway DT-24+, the
Cisco Access Digital Trunk Gateway DE-30+, and the Catalyst 6000 digital gatewayare provisioned with Cisco CallManager location information. When these gateways
initialize, a list of Cisco CallManager's, referred to as a ______________ isdownloaded to the gateways.
A. Cisco IPSP groupB. Call managed Cisco redundancy group
C. IPNC redundancy groupD. Cisco CallManager redundancy group
Answer(s) Rank (%) Rank (# votes) Answer Rationale
D 100% 1/1 Rationales
50. What is the most important piece to implement if you are considering a VoIPinfrastructure?
A. QoSB. Reinstallation of the PBX
C. A new Help Desk trained on Voice technologiesD. POTS installation documentation.
Answer(s) Rank (%) Rank (# votes) Answer Rationale
A 100%
51. From the following list, please select the Cisco Hardware that is able to terminate
Voice Traffic:
A. Cisco 500B. MC3810
C. Cisco 700D. 2600 Series Router
E. Cisco cat 2950XL
F. 7200 VXR
Answer(s) Rank (%) Rank (# votes) Answer Rationale
B,C,D,F 100% 1/1 Rationales
52. Within a distributed call processing environment, what can you use to achievecall admission control across the WAN? (Choose all that apply.)
A. You can use a 720VXR to diversify the IPN1 traffic.
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B. You can use a gatekeeper.C. You can use a H.333 Line card.
D. You can use a CiscoWorks RME package to keep lines clear.
Answer(s) Rank (%) Rank (# votes) Answer Rationale
B 100% 1/1 Rationales
53. You are the Lead Network Engineer for your company. Your manager asks what
needs to be upgraded on the Network to begin Preparing for the VOIP upgrade. YourNetwork Campus Consists of One Core Rack of Cat 4000 Switches and 4 closets with
BayStack and Synoptics hubs. IP phones will be placed on every desk of theorganization and the entire Campus is wired with Cat 5e.From the list below, what
needs to be done ? (Select all that apply.)
A. Upgrade all the Wire to Cat 6B. Install 7200 VXR's in Every Close to Route all IP traffic to the Core Switch
C. Upgrade the Cat 4000's to 6000 seriesD. Upgrade all the Hubbed gear with Cat 4000 series Switches
Answer(s) Rank (%) Rank (# votes) Answer Rationale
D 100% 1/1 Rationales
54. Which tool can be applied to the Campus Switches to help eliminate trafficcongestion?
A. RDPB. CDP
C. LMID. QoS
E. PIMF. DVRMP
Answer(s) Rank (%) Rank (# votes) Answer Rationale
D 100% 1/1 Rationales
55. When they are booted, the Cisco Access Digital Trunk Gateway DT-24+, the
Cisco Access Digital Trunk Gateway DE-30+, and the Catalyst 6000 digital gatewayare provisioned with Cisco CallManager location information. When these gateways
initialize, a list of Cisco CallManager's, referred to as a ______________ isdownloaded to the gateways.
A. Cisco IPSP groupB. Call managed Cisco redundancy group
C. IPNC redundancy group
D. Cisco CallManager redundancy group
Answer(s) Rank (%) Rank (# votes) Answer Rationale
D 100% 1/1 Rationales
56. What is the major advantage of designing and placing VoIP and Internettelephony in a clients organization?
A. It is cheap but you still need a PBX regardless
B. The PSTN is doomed to be EOL in 5 years and this is the replacement.
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C. It avoids the tolls charged by ordinary telephone serviceD. Even without QoS it is much clearer that PSTN technology.
Answer(s) Rank (%) Rank (# votes) Answer Rationale
C 100% 1/1 Rationales
57. What would Receiving an Alarm Indication Signal of Blue indicate on your T1connection where your voice traffic is going over?
A. Blue means there is an alarm occurring in the building, it is part of your disasterplan.
B. Blue means there is an alarm occurring on the line downstream from theequipment that is connected to the port
C. There is no blue alarm, only red and yellow.D. Blue means there is an alarm occurring on the line upstream from the equipment
that is connected to the port
Answer(s) Rank (%) Rank (# votes) Answer Rationale
D 100% 1/1 Rationales
58. System capacity planning is based upon calculations and measurements of
_____.A. Packet length distributions.
B. Busy hour call volume/estimates.C. The phone costs from phone bills.
D. The total number of calls placed during a month.
Answer(s) Rank (%) Rank (# votes) Answer Rationale
B 100% 1/1 Rationales
59. What solution with IP telephony will enable server and agent-level IP telephony
to coexist with traditional time-division multiplexing (TDM) based networks, existingautomated call distribution (ACD) private branch exchanges (PBX) and installed
desktop systems?A. PBX-R
B. Call ManagerC. IPCC
D. XLD-t
Answer(s) Rank (%) Rank (# votes) Answer Rationale
C 100% 1/1 Rationales
60. The connection tie-line command emulates a ___________.
A. temporary connection to a PBX.
B. permanent connection to a PBX.C. permanent connection to the PSTN.D. permanent connection to the network.
Answer(s) Rank (%) Rank (# votes) Answer Rationale
A 100% 1/1 Rationales
61. Dial peers are configured in a hunt group for a product support team thatanswers when the number 5551234 is dialled. There is one senior agent and three
junior agents answering support lines. The requirement is to have the senior agentreceive the incoming call first.
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Which dial peer points to the senior agent?
A. dial-peer voice 1 pots destination-pattern 5551234. port 1/0/0. preference 1B. dial-peer voice 2 pots destination-pattern 555123. port 1/0/1. preference 0
C. dial-peer voice 3 pots destination-pattern 5551234. port 1/1/0. preference 9D. dial-peer voice 4 pots destination-pattern 5551234. port 1/1/1. preference 0
Answer(s) Rank (%) Rank (# votes) Answer Rationale
D 100% 1/1 Rationales
62. When matching inbound dial peers, which parameter is checked first?A. called number (DNIS) with voice-port
B. calling number (ANI) with answer-addressC. calling number (ANI) with destination pattern
D. called number (DNIS) with incoming called-number
Answer(s) Rank (%) Rank (# votes) Answer Rationale
D 100% 1/1 Rationales
63. When a call is placed and is routed toward the destination, which call legs are
created on that router for that call?A. short legs
B. inbound call legs onlyC. outbound call legs only
D. inbound and outbound call legs
Answer(s) Rank (%) Rank (# votes) Answer Rationale
D 100% 1/1 Rationales
64. From the perspective of the source router, how are inbound and outbound call
legs handled?A. Only the inbound call leg is established by the source router.
B. Only the outbound call leg is established by the source router.C. The inbound call leg and outbouond call leg are matched to the same dial peer.
D. The inbound call leg is matched first. Then, once the destination is known, anoutbound call leg is established.
Answer(s) Rank (%) Rank (# votes) Answer Rationale
D 100% 1/1 Rationales
65. A manufacturing company has a PBX at corporate HQ and one at the factory. The
firs step towards IP telephony is to replace the PBX-to-PXB TDM trunk connectionwith IP connectivity. The PBXs use proprietary signalling method.
The following is a partial configuration of the HQ router that connect to the PBX:
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controller t1 1/0. ds0-group 1 timeslots 1-24 type ext-sig
dial-peer voice 1 voipdestination-pattern 1001. session target ipv4:10.10.0.1. dial-peer voice 2 pots
destination-pattern 2001. port 1/0:1. connection trunk 1001.Which command is missing from the above configuration?
A. transparent-ccs in the voice port configuration
B. signal wink-start in the controller t1 configuration
C. auto-cut-through in the pots dial peer configurationD. codec clear-channel in the voip dial peer configuration
Answer(s) Rank (%) Rank (# votes) Answer Rationale
D 100% 1/1 Rationales
66. You have a customer that operates a group of warehouses. One of the
warehouses is quite large. All of the offices there have IP Phones except two officesthat are too far for Ethernet connectivity. These two offices have analog phones that
are connected to FXS port on the router in the sites administration building. Theseoffices are unable to call out in the PSTN or to each other.Use the following output to resolve the problem.
2611#s voice port 1/0/0.
Foreign Exchange Station 1/0/0 Slot is 1, Sub-unit is 0, Port is 0. Type of VoicePort is
FXSOperation State is DORMANT
Administrative State is UPNo Interface Down Failure
Description is not setNoise Regeneration is enabled
Non Linear Processing is enabled
Non Linear Mute is disabledNon Linear Threshold is 21 dBMusic On Hold Threshold is Set to 38 dBm
In Gain is Set to 0 dBOut Attention is Set to 3 dB
Echo Cancellation is enabledEcho Cancellation NLP mute is disabled
Echo Cancellation NLP threshold is 21 dBEcho Cancel Coverage is set to default
Playout-delay Mode is set to defaultPlayout-delay Nominal is set to 60 ms
Playout-delay Maximal is set to 200 msPlayout-delay Minimum mode is set to default, value 40 ms
Playout-delay Fax is set to 300 msConnection Mode is normal
Connection Number is not set
Initial Time Out is set to 10 sInterdigit Time Out is set to 10 s
Call Disconnect Time Out is set to 60 s
Ringing Time Out is set to 180 sWait Release Time Out is set to 30 s
Companding Type is u-lawRegion Tone is set for US
Analog Info Follows:
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Currently processing noneMaintenance Mode Set to None (not in mtc mode)
Number of signaling protocol errors are 0. Impedance is set to 600r OhmStation name None, Station number None
Voice card specific Info Follows:
Signal Type is groundStartRing Frequency is 25 Hz
Hook Status is On Hook
Ring Active Status is inactiveRing Ground Status is inactive
Tip Ground Status is inactive
Digit Duration Status is inactiveDigit Duration Timing is set to 100 ms
InterDigit Duration Timing is set to 100 msNo disconnect acknowledge
Ring Cadence is defined by CPTone SelectionRing Cadance are [20 40] * 100 msec
2611#
What is the problem?
A. Incorrect cptoneB. Incorrect dial-type
C. Incorrect signal typeD. Incorrect disconnect-ack
Answer(s) Rank (%) Rank (# votes) Answer Rationale
C 100% 1/1 Rationales
67. The T-CCS function allows for a PBX to pass __________.
A. signalling to the PSTN switch.B. analog signalling to the routerC. signalling to the router for compression and processing
D. proprietary signalling to another PBX across the IP network.
Answer(s) Rank (%) Rank (# votes) Answer Rationale
D 100% 1/1 Rationales
68. Cisco implements T.37 using special gateways configured as _______.
A. IVRsB. TIFFs
C. on-ramps and off ramps
D. MTA, MDN, and DSN parameters
Answer(s) Rank (%) Rank (# votes) Answer Rationale
C 100% 1/1 Rationales
69. In which type of signalling is signalling for a circuit transmitted within the same
channel as the voice?A. PCM
B. SS7 Signaling
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C. Common Channel SignalingD. Channel Associated Signaling
Answer(s) Rank (%) Rank (# votes) Answer Rationale
D 100% 1/1 Rationales
70. What is the main difference between G.729 and G.729a?A. G.729a has reduced complexity.
B. G.729 requires a higher bit rate.C. G.729a has built-in echo cancellation.
D. G.729a has improved speech performance.E. G.729a is designed for use with 3DES encryption
Answer(s) Rank (%) Rank (# votes) Answer Rationale
A 100% 1/1 Rationales
71. What does a 5 on the MOS scale represent?A. poor
B. fairC. extra medium
D. excellent
Answer(s) Rank (%) Rank (# votes) Answer Rationale
D 100% 1/1 Rationales
72. What describes the formula for encoding PCM?
A. 2 states per bit x 8000 Hz frequency coded into 4 bits = 64 kbpsB. 8000 Hz frequency encoded in 4 bits, each expanded by two = 64 kbps
C. 3400 Hz voice frequency represented in 8 bits x 2 states per bit = 56 bkpsD. 4000 Hz frequency sampled at two times the frequency and each sample is
represented in 8 bits = 64 kbps
Answer(s) Rank (%) Rank (# votes) Answer Rationale
D 100% 1/1 Rationales
73. The Real-Time Protocol (RTP) uses which lower layer protocol?
A. TCPB. UDP
C. WDPD. HTTP
E. RTCP
Answer(s) Rank (%) Rank (# votes) Answer Rationale
B 100% 1/1 Rationales
74. What carries VoIP voice packets?A. ICMP/IP
B. RTP/TCP
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C. RTP/UDPD. STP/UDP
E. RTP/RCMP
Answer(s) Rank (%) Rank (# votes) Answer Rationale
C 100% 1/1 Rationales
75. The PBX determines the destination of a call based upon ______.
A. and ISDN ANI packetB. a blocked/permitted call list
C. an analysis of the dialled digitsD. historic requests from the specific phone extension
Answer(s) Rank (%) Rank (# votes) Answer Rationale
C 100% 1/1 Rationales
76. What do VoIP implementations use?A. RTP only
B. UDP onlyC. UDP inside RTP to carry the payload across the network.
D. RTP inside UDP to carry the payload across the network.
Answer(s) Rank (%) Rank (# votes) Answer Rationale
D 100% 2/2 Rationales
77. When employing an IPSEC VPN for transport of voice, what factors must be
incorporated into the overall design?A. Port numbers and added delay.
B. Added delay and added overhead.C. Port numbers and added overhead.
D. Added overhead and longer dial plan.
Answer(s) Rank (%) Rank (# votes) Answer Rationale
C 100% 1/1 Rationales
78. When implementing IPSEC VPNs in the converged network, what is the biggest
issue affecting voice transport?A. Hop count.
B. Using G.729 as the codec.C. Throughput considerations.
D. Ensuring only software encryption is running.
Answer(s) Rank (%) Rank (# votes) Answer Rationale
C 100% 1/1 Rationales
79. Which three issues adversely affect voice quality on an IP network? (Choosethree)
A. Jitter
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B. DelayC. Packet loss
D. PrioritizationE. Acknowledgment
F. Delivery guarantee
Answer(s) Rank (%) Rank (# votes) Answer RationaleA,B,C 100% 1/1 Rationales
80. When the requirement is for users at site A to be able to call users at site B and
vice versa, how many dial peers must be configured for end-to-end calls in bothdirections?
A. 0B. 2
C. 3D. 4
Answer(s) Rank (%) Rank (# votes) Answer Rationale
D 100% 1/1 Rationales
81. A call leg is considered what type of connection?A. Digital
B. LogicalC. Physical
D. Hardwired
Answer(s) Rank (%) Rank (# votes) Answer Rationale
B 100% 1/1 Rationales
82. What is the worst-case compression delay for CD-ACELP?
A. 2.5 msB. 5 ms
C. 10 msD. 20 ms
Answer(s) Rank (%) Rank (# votes) Answer Rationale
D 75% 3/4 Rationales
C 25% 1/4 Rationales
83. Your customer has deployed VoIP over their WAN. Early in the workday, the
quality of calls between headquarters and the three branch offices is very good, butas the day goes on and more calls are placed to the branch offices, the quality
degrades. Using RSVP, the WAN bandwidth to the branch offices allows 4 calls to
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branch A, 6 calls to branch B, and 8 calls to branch C.What command allows you toverify the configuration of Call Admission Control on the headquarters router?
A. show call cac conf
B. show call rsvp-sync confC. show call rsvp-sync stats
D. show call rsvp-sync events
Answer(s) Rank (%) Rank (# votes) Answer Rationale
B 100% 1/1 Rationales
84. You have a customer that is interested in deploying an IP telephony solution in
their organization. The network today is a traditional LAN/WAN The WAN is based onFrame Relay.
The customer has read about the issues of converging both their data and voice
traffic onto a single network. They are especially concerned about the quality of theircalls that need to cross the WAN.
What are the recommended five major components of QoS for VoIP over FrameRelay? (Choose five)
A. Fragmentation
B. Traffic shaping
C. Priority queuingD. Low Latency Queuing
E. Call Admission ControlF. Link efficiency with cRTP
G. Weighted Random Early DetectionH. Class Based Weighted Fair Queuing
Answer(s) Rank (%) Rank (# votes) Answer RationaleA,B,C,D,F 50% 1/2 Rationales
A,B,D,E,F 50% 1/2 Rationales
85. Which four does the TCPs reliable deliver service provide? (Choose four)A. Flow control
B. Sequenced delivery
C. Unregulated send rateD. Connectionless service
E. Automatic error recoveryF. Transmission window management
Answer(s) Rank (%) Rank (# votes) Answer Rationale
A,B,E,F 100% 1/1 Rationales
.
86. If the playout delay buffer size is configured too large, the overall ______ on the
connection may rise to unacceptable levels.
A. EchoB. Delay
C. StressD. Volume
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Answer(s) Rank (%) Rank (# votes) Answer Rationale
B 100% 1/1 Rationales
87. Which two factors affect audio quality? (Choose two)
A. EchoB. Infidelity
C. Delay variationD. Transmission medium
Answer(s) Rank (%) Rank (# votes) Answer Rationale
A,C 100% 1/1 Rationales
88. What delay range is considered acceptable according to the G.114 standard?
A. 0 150 ms
B. 0 250 msC. 0 400 ms
D. 0 500 ms
Answer(s) Rank (%) Rank (# votes) Answer RationaleA 100% 1/1 Rationales
89. What component can compensate for jitter?A. FIFO queuing
B. Ethernet hubsC. DSP algorithms
D. Playout delay buffer
Answer(s) Rank (%) Rank (# votes) Answer Rationale
D 100% 1/1 Rationales
90. A branch office is using a 128 kbps Frame Relay link to connect to the companyheadquarters.Which two QoS mechanisms should be implemented on the Frame
Relay interface to ensure good voice quality? (Choose two)
A. CIRB. LLQ
C. WFQ
D. WREDE. Fragmentation
Answer(s) Rank (%) Rank (# votes) Answer Rationale
B,E 100% 1/1 Rationales
91. Why is Frame Relay traffic shaping an important tool for ensuring the delivery of
traffic?A. It ensures that voice packets are not trapped behind large data packets.
B. It ensures that the priority of the voice packet is higher than the data packets.C. It ensures that the RTP headed is reduced in size to reduce the overall size of the
voice packet.
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D. It ensures that excess traffic above the CIR on the link is not dropped, but isbuffered and sent when there is capacity on the link.
Answer(s) Rank (%) Rank (# votes) Answer Rationale
D 100% 1/1 Rationales
92. Which command shows the status of LLQ on the interface serial 3/2?A. show class 11q
B. show interface serial 3/2C. show queue interface serial 3/2.
D. show interface serial 3/2 class 11qE. show policy-map interface serial 3/2
Answer(s) Rank (%) Rank (# votes) Answer Rationale
E 100% 1/1 Rationales
93. Which FRF.x standard defines fragmentation for VoIP over Frame Relay?A. FRF.5
B. FRF.6C. FRF.11
D. FRF.12
Answer(s) Rank (%) Rank (# votes) Answer Rationale
D 100% 2/2 Rationales
94. CAC is a concept that applies to ____ only.
A. LatencyB. Data traffic
C. Voice trafficD. TCP networks
Answer(s) Rank (%) Rank (# votes) Answer Rationale
C 100% 1/1 Rationales
95. If a network link is oversubscribed, ______.
A. The link goes down.B. All voice calls suffer.
C. Voice packets are fragmented.D. Data packets are given priority.
E. Excess voice calls are dropped.
Answer(s) Rank (%) Rank (# votes) Answer Rationale
B 100% 1/1 Rationales
96. When does glare occur?A. When echo cancellers fail to synchronize.
B. When two phones go off-hook at the same time.C. When two optical wavelengths collide in the same fiber.
D. When both ends of a telephone line or trunk are seized by different users.
Answer(s) Rank (%) Rank (# votes) Answer Rationale
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D 100% 1/1 Rationales
97. Which three are categories for QoS in a campus network? (Choose three)
A. Queue schedulingB. Pruning of queues
C. Separation of queues
D. Marking control and management traffic
Answer(s) Rank (%) Rank (# votes) Answer Rationale
A,C,D 100% 1/1 Rationales
98. In a branch office, one VoIP dial-peer has been configured to point to thecompany headquarters over a low speed serial link.Which command would limit the
maximum number of concurrent calls to 2?
A. interface serial 3/2. ip rsvp bandwidth 2.B. dial-peer voice 1000 voip max-conn 2.
C. dial-peer voice 1000 voip max-concurrent 2.
D. dial-peer voice 1000 voip ip rsvp neighbor 2.
Answer(s) Rank (%) Rank (# votes) Answer Rationale
B 100% 1/1 Rationales
99. What are modes of the playout delay buffer?A. Nominal and full.
B. Dynamic and static.C. Smooth and serrated.
D. Minimum and maximum.
Answer(s) Rank (%) Rank (# votes) Answer Rationale
B 100% 1/1 Rationales
100. Traffic engineering for voice is based on a target ______.
A. Peak of service.B. Class of service.
C. Grade of service.D. Quality of service.
Answer(s) Rank (%) Rank (# votes) Answer Rationale
C 100% 1/1 Rationales
101. Which three QoS measures, when prompted implemented, affect the outbound
queue? (Choose three)A. LLQ
B. RSQC. WFQ
D. FIFO
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E. FRF.12F. CBWFQ
Answer(s) Rank (%) Rank (# votes) Answer Rationale
A,C,F 100% 1/1 Rationales
102. In switchwide queuing, what is the recommended configuration for the transmitinterface?
A. CoSB. PFC
C. FIFOD. 2Q1T
Answer(s) Rank (%) Rank (# votes) Answer Rationale
D 100% 2/2 Rationales
103. Which four are attributes of a scalable dialing plan? (Choose four)
A. Logic distributionB. Hierarchical design
C. Simplicity in provisioningD. Reduction in pre-dial delay
E. reduction in post-dial delay
Answer(s) Rank (%) Rank (# votes) Answer Rationale
A,B,C,E 100% 1/1 Rationales
104. Which application enables stock brokerage firms to communicate to multiple
remote offices simultaneously?
A. IP PhoneB. IP Centrex
C. Toll BypassD. Multi-tenant
E. Hoot and Holler
Answer(s) Rank (%) Rank (# votes) Answer Rationale
E 100% 1/1 Rationales
105. Which three signal types are used by E&M? (Choose three)A. loop start
B. wink start
C. delay startD. immediate start
Answer(s) Rank (%) Rank (# votes) Answer Rationale
B,C,D 100% 1/1 Rationales
106. Packet switching is an example of what type of multiplexing?
A. StatisticalB. Time division
C. Phase divisionD. Frequency division
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Answer(s) Rank (%) Rank (# votes) Answer Rationale
A 50% 1/2 Rationales
B 50% 1/2 Rationales
107. Which application conveys fax using T.37 fax relay?
A. IVR
B. TCLC. TIFFD. SMTP
Answer(s) Rank (%) Rank (# votes) Answer Rationale
D 100% 1/1 Rationales
108. Which protocol is designated to allow functionality between two PBX systemsfrom different manufactures across an ISDN network?
A. QSIGB. Q.921
C. Q.931
D. T-CCS
Answer(s) Rank (%) Rank (# votes) Answer Rationale
A 100% 1/1 Rationales
109. In ISDN, Q.921 signaling equates to which layer of the OSI model?A. Session
B. NetworkC. Transport
D. Data-Link
Answer(s) Rank (%) Rank (# votes) Answer Rationale
D 100% 1/1 Rationales
110. Which two are CS-ACELP coding schemes? (Choose two)
A. G.711.B. G.728.
C. G.729.D. G-729A
Answer(s) Rank (%) Rank (# votes) Answer Rationale
C,D 100% 1/1 Rationales
111. How is a call defined in the context of MGCP?A. The path between two telephones.
B. The RTP sessions between the endpoints.
C. A connection between an endpoint and the call agent.D. Two or more endpoints sharing the same Call ID and the same media stream.
Answer(s) Rank (%) Rank (# votes) Answer Rationale
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D 100% 1/1 Rationales
112. Which two use UDP as their transport mechanism? (Choose two)
A. RTPB. RAS control function
C. call signaling function
D. H.245 control function
Answer(s) Rank (%) Rank (# votes) Answer Rationale
A,B 100% 1/1 Rationales
113. In the network shown in the exhibit, if the show gatekeeper calls commandshows a total of five active calls on the gatekeeper, how many call legs would the
show call active voice command display on Gateway A?A. 1
B. 2C. 5
D. 6
E. 10
Answer(s) Rank (%) Rank (# votes) Answer Rationale
E 100% 1/1 Rationales
114. What are two methods that an endpoint can use to determine the address ofthe gatekeeper? (Choose two)
A. The endpoint issues a GCP.B. The endpoint issues a GRQ.
C. The endpoint queries the registrar server.D. The endpoint is preconfigured to recognize the domain name or IP address of its
gatekeeper.
Answer(s) Rank (%) Rank (# votes) Answer Rationale
B,D 100% 1/1 Rationales
115. The SIP protocol is based upon which other protocol model?A. HTML
B. H.323.C. MGCP
D. HTPP/WWW
Answer(s) Rank (%) Rank (# votes) Answer Rationale
D 100% 1/1 Rationales
116. You have a customer that is deploying an IP telephony solution using MGCP.They understand that the call agent expects the gateway to use UDP port 2427. The
customer would like to use another port because of a conflict with anotherapplication on their network.
If they want to use port 5000, which command allows the customer to change theUDP port their call agents and gateway communicate on?
A. Router (config)# mgcp UDP 5000.
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B. Router (config)# mgcp call-agent 5000.C. Router (config-dial-peer)#application MGCPAPP 5000.
D. Router (config)# mgcp default-package gm-package 5000.
Answer(s) Rank (%) Rank (# votes) Answer Rationale
B 100% 1/1 Rationales
117. Impedance is set on what type of port?
A. T1.B. FXS
C. FXOD. E&M
Answer(s) Rank (%) Rank (# votes) Answer Rationale
C 100% 1/1 Rationales
118. SIP is similar to H.225 and SDP is similar to ____.A. RAS
B. RTPC. H.245.
D. H.323.
Answer(s) Rank (%) Rank (# votes) Answer Rationale
C 100% 1/1 Rationales
119. Which command is used to specify the IP address of a SIP proxy server?
A. sip-ua sip-server ipv4:1.2.3.4.B. sip-ua sip-server target:1.2.3.4.
C. dial-peer voice 1 voip session target sip:1.2.3.4.D. dial-peer voice 1 voip session target sip-server:1.2.3.4.
Answer(s) Rank (%) Rank (# votes) Answer Rationale
A 100% 1/1 Rationales
120. Which four functions are supported by an H.323 gatekeeper? (Choose four)
A. Providing services to registered endpoints.B. Converting an alias address to an IP address.
C. Translation between audio, video, and data formats.D. Responding to bandwidth requests and modifications.
E. Conversion between call setup signals and procedures.F. Conversion between communication control signals and procedures.
G. Limiting access to network resources based on call bandwidth restrictions.
Answer(s) Rank (%) Rank (# votes) Answer Rationale
A,B,D,G 100% 1/1 Rationales
121. Which two call control models are based on decentralized call control? (Choose
two)A. SIP
B. CASC. H.323.
D. MGCP
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Answer(s) Rank (%) Rank (# votes) Answer Rationale
A,C 100% 1/1 Rationales
122. Your customer is having problems completing calls through the MGCP
network.Which command displays a count of the successful and unsuccessful controlcommands?
A. show mgcpB. show mgcp statistics
C. show call active voiceD. show call history voice
Answer(s) Rank (%) Rank (# votes) Answer Rationale
B 100% 1/1 Rationales
123. To function as a translating gateway, the gateway must ______.
A. Have the capacity to translate the audio.B. Recognize the call control procedures of both connecting endpoints.
C. Establish separate RTP sessions with the originating and terminating endpoints.D. Recognize the call control procedures or at least one of the connecting endpoints.
Answer(s) Rank (%) Rank (# votes) Answer Rationale
B 100% 1/1 Rationales
124. When gatekeepers communicate with each other, what do they use?
A. RTP
B. RAS channelC. call signaling channel
D. H.245 control channel
Answer(s) Rank (%) Rank (# votes) Answer RationaleB 100% 1/1 Rationales
125. Which show command displays the registration of the gateway with the callagent?
A. show mgcpB. show gateway mgcp
C. show endpoint mgcp
D. show call active voice
Answer(s) Rank (%) Rank (# votes) Answer Rationale
A 100% 1/1 Rationales
126. Which request method initiates a SIP call setup?
A. ACKB. INVITE
C. OPTIONSD. REGISTER
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Answer(s) Rank (%) Rank (# votes) Answer Rationale
B 100% 1/1 Rationales
127. Which protocol negotiates codec type for H.323 sessions?
A. H.225.B. H.245.
C. Q.931.D. H.320.
Answer(s) Rank (%) Rank (# votes) Answer Rationale
B 100% 1/1 Rationales
128. A customer needs to connect a Cisco voice gateway to a PBX or the PSTN via
ISDN (PRI, QSIG, BRI).What are two attributes of the PBX/PSTN switch that must be
known to understand which features to configure on the voice gateway to connectsuccessfully to it? (Choose two)
A. Whether Q.921 or Q.931 is supported by the PBX/PSTN switch.
B. Whether Symmetric mode is supported by the PBX/PSTN switch.C. Which PRI/BRI switch-type is supported by the PBX/PSTN switch.D. Whether network or user side is supported by the PBX/PSTN switch.
E. Whether wink, delay dial, or immediate dial is supported by the PBX/PSTN switch.
Answer(s) Rank (%) Rank (# votes) Answer Rationale
C,D 100% 1/1 Rationales
129. An MGCP endpoint is identified by a two part identifier that consists of the______.
A. Telephone number and local name of the user.
B. Telephone number and remote name of the user.C. Domain name of the user and the IP address of the gateway.
D. Local name of the user and the domain name of the gateway.
Answer(s) Rank (%) Rank (# votes) Answer Rationale
D 100% 1/1 Rationales
130. While installing a voice gateway outside the United States, what two
requirements need to be verified? (Choose two)A. PSTN standards in that country.
B. Encryption capabilities legalities.
C. The service provider installing the gateway.D. Supplementary service including fax and modem.
Answer(s) Rank (%) Rank (# votes) Answer Rationale
A,B 100% 1/1 Rationales
131. What does compressed RTP significantly reduce?
A. Packet delayB. Total bandwidth
C. Frame Relay ove