· web viewyou have a subnetwork of 192.168.51.0/24. it is divided into subnet a and subnet b....

Networking Unit 1 to 8 Benchmark Study Guide

Name: Click or tap here to enter text.

1. Which protocol splits a message into smaller parts, controls the speed of transfer, and guarantees reliable delivery of the message?

a. UDPb. TCPc. IPd. HTTP

2. What layer of the OSI model provides unreliable data transfer? Click here to enter text.

3. Which is the PDU of the Transport Layer?a. Datab. Packetsc. Segmentsd. Frames

4. Your computer is preparing to send a web request to a web server. Before it sends the message out, which Layer 4 protocol would be used to send the web page request?

a. IPb. TCPc. UDPd. HTTP

5. Which layer 4 connectionless protocol would be used for VoIP or IPTV?a. TCPb. UDPc. DNSd. IP

6. You have just created a new application. The data must be sent efficiently and quickly. You’ll build error-checking into the application. Which layer 4 protocol would you choose? Click or tap here to enter text.

7. Numbered segments get reassembled at the destination. Which layer 4 protocol are you using? Click or tap here to enter text.

8. On a broadband network, mixing multiple signals over a cable’s bandwidth is called Click or tap here to enter text.

9. Which type of logical topology…a. Is data passed from host to host? Choose an item.b. Is data sent to all devices on the local network/cable? Choose an item.c. Is data sent only to the destination device? Choose an item.

10.Identify the physical topology.

Click or tap here to enter text. Click or tap here to enter text.

Click or tap here to enter text. Click or tap here to enter text.

11.A twisted pair cable sends Click or tap here to enter text. signals over a Click or tap here to enter text. wire. HINT: What type of wire?

12.A fiber optic cable sends Click here to enter text. over a Click or tap here to enter text. or Click or tap here to enter text. core.

13.When electricity leaks and jumps from one wire to another within the same cable, you have Click here to enter text. To cancel it out, the wire pairs need to remain Click or tap here to enter text.

14.Select the correct category of cable for each:a. Capable of speeds up to 1000Mbps (1Gbps): Choose an item.b. Only capable of 10Mbps: Choose an item.c. 1Gbps & up for speed but must use shorter lengths: Choose an item.d. Only capable of up to 100Mbps: Choose an item.

15.What common item in a building can interfere with a UTP signal if the cable is too close to it? Click or tap here to enter text.

16.Name the 3 connectors that can be used for a coaxial cable. Click or tap here to enter text.

17.Which coax cable would you use for:a. Thinnet, old Ethernet Choose an item.b. Cable modem Choose an item.c. Twist & lock connector for old Ethernet Choose an item.d. Older cable TV wire Choose an item.e. Twist connector for cable TV Choose an item.

18.If two fibers are used, what kind of communication do you get? Click or tap here to enter text.

19.Choose the proper type of fiber optic cable:a. Uses laser light Choose an item.b. Uses LED light Choose an item.c. Many paths of light sent Choose an item.d. Single path of light sent Choose an item.e. Most expensive Choose an item.f. Least expensive Choose an item.g. Used within LANs/Campuses Choose an item.h. Used for long distances Choose an item.i. Fastest speed Choose an item.

20.Identify the connector:

Click or tap here to enter text.






21.A straight through cable uses what 568 wiring scheme on both ends? Click or tap here to enter text.

22.A crossover cable uses what wiring scheme on each end? Click or tap here to enter text.

23.What is the wiring order for a straight through end? Click or tap here to enter text.

24.On a twisted pair cable…a. Which pairs transmit? Click or tap here to enter text.b. Which receive? Click or tap here to enter text.

25.Which cable should you use?a. PC to PC Choose an item.b. PC to switch Choose an item.c. Router to Router Choose an item.d. PC to Router for configuring Choose an item.e. PC to Router Choose an item.

f. Hub to Hub Choose an item.26.What is the area where the service provider lines come into your building? Click or tap

here to enter text.

27.Those lines enter the main wiring closet known as what? Click or tap here to enter text.

28.Other wiring closets in your building are called Click or tap here to enter text.

29.Label each:

a. Click or tap here to enter text.b. Click or tap here to enter text.c. Click or tap here to enter text.

30.Click or tap here to enter text. cable has a low smoke point.

31.This special type of twisted pair cable has extra shielding to prevent EMI/RFI. Click or tap here to enter text.

32.The loss of signal strength because of long cable runs is called what? Click or tap here to enter text.

33.This cable problem is when there is a break in the cable. Click or tap here to enter text.

34.Which of these is NOT a valid MAC address?a. 0A-17-FE-55-01-ABb. CE:F1:33:10:GB:89c. 01AC.7BC5.0001d. E3-3E-A1-BB-E2-99

35.Answer the following with this being your MAC address. 0C:44:1F:FF:85:D4a. OUI: Click or tap here to enter text.b. Serial #: Click or tap here to enter text.c. How many bits is the entire MAC address? Click or tap here to enter text.

36.What kind of message is each?

a. Click or tap here to enter text. How do you know? Click or tap here to enter text.

b. Click or tap here to enter text. How do you know? Click or tap here to enter text.

c. Click or tap here to enter text. How do you know? Click or tap here to enter text.

37.Review the picture of your computer’s ARP table. You want to send a message to a computer with the IP address of 200.5.5.17. Describe what will happen. Click or tap here to enter text.

38.Review the picture of hooking these two brand new switches together. Then answer the following questions.

a. Normally, what cable would you connect between two of the same devices? Click or tap here to enter text.

b. Since these are BRAND NEW devices, the auto-MDIX feature will allow you to use what cable instead? Click or tap here to enter text.

39.Review the picture of the network and switch with MAC address table. Then answer the questions.

a. PC1 wants to send a message to Laptop0. What will the switch do with the frame? Click or tap here to enter text.

b. PC2 wants to send a message to Laptop1. What will the switch do with the frame? Click or tap here to enter text.

c. PC0 wants to send a message to PC2. What is the first thing the switch will do when it receives the frame from PC0? Click or tap here to enter text.

40.What device in your home network converts digital signals to analog and in reverse? Click or tap here to enter text.

41.An ARP request is sent as which kind of message? Click or tap here to enter text.

42.Select the correct device based on the description.a. Always takes data in on one port and sends it out all other ports: Choose an

item.

b. Reads the destination IP address: Choose an item.c. Layer 1 device that connects many devices: Choose an item.d. Has a MAC address table & connects two network segments: Choose an item.e. Connects many PCs on separate ports & reads the destination MAC address:

Choose an item.f. Allows wireless devices to connect to the wired network:Choose an item.g. Connects different networks together: Choose an item.h. Protects the network from unauthorized attacks: Choose an item.i. Fast & efficient device that reads the destination MAC & IP addresses:

Choose an item.j. Connects a wired device to a wireless network: Choose an item.k. Layer 1 device that extends an Ethernet’s cable length: Choose an item.l. Multiport bridge at Layer 2: Choose an item.m. Device at the end of your network: Choose an item.

43.CSMA/CD Steps:a. NIC Click or tap here to enter text. for a signal on the media.b. If it hears quiet, it Click or tap here to enter text.c. If two devices transmit at the same time, there can be a data Click or tap here to

enter text.d. When data collides, a Click or tap here to enter text. is sent.e. All devices (NICs) Click or tap here to enter text. for a random period of time.f. Then the process will start over.g. Ethernet is Click or tap here to enter text., which means does not take turns.h. The more collisions there are on a network segment, the less Click or tap here to

enter text. there is.

44.Collisions on most networks are not an issue anymore because Click or tap here to enter text. are the device of choice and they use Click or tap here to enter text. transmissions.

45.This device is dumb and operates in half-duplex mode: Click or tap here to enter text.

46.Fill in the parts of the Ethernet II Frame:

a. Click or tap here to enter text.

b. Click or tap here to enter text.

c. Click or tap here to enter text.

d. Click or tap here to enter text.

e. Click or tap here to enter text.

47.If there is not enough data in a frame, Click or tap here to enter text. will be added to the data.

48.If a NIC receives a frame that is less than 64 bytes, it will be considered a Click or tap here to enter text. and will be Click or tap here to enter text.

49.What is the purpose of the FCS? Click or tap here to enter text.

50.Describe baseband: Click or tap here to enter text.

51.If you need to connect PCs to wall jacks on a 10GBase-T network at distances of 75m each, which Ethernet cabling standard do you need to use? Click or tap here to enter text.

52.You are going to configure a router or switch with your laptop. Name each thing that you need/connect to/use:

a. Click or tap here to enter text. (port you connect to)b. Click or tap here to enter text.c. Click or tap here to enter text.

d. Click or tap here to enter text. (software)

53.You connect two PCs together and connect them using a straight-through cable. Everything works fine and you can transfer data between them. What can you assume about each PCs NIC? Click or tap here to enter text.

54.IPv4:a. How many bits total? Click or tap here to enter text.b. How many octets? Click or tap here to enter text.c. How many bits in an octet? Click or tap here to enter text.d. Range of #’s in each octet: Click or tap here to enter text. to Click or tap

here to enter text.

55.List the private IP address ranges for:a. Class A: Click or tap here to enter text.b. Class B: Click or tap here to enter text.c. Class C: Click or tap here to enter text.d. Loopback: Click or tap here to enter text.e. APIPA: Click or tap here to enter text.

56.Identify each message as a unicast, multicast, or broadcast.a.

Click or tap here to enter text.b.

Click or tap here to enter text.c.


57.How many broadcast domains are in each topology?



58.What is the last usable host IP address for the 172.45.120.0/23 network? a. 172.45.120.254 b. 172.45.121.254 c. 172.45.122.254 d. 172.45.123.254

59.How many usable IP addresses can be assigned to hosts on a /26 subnet? a. 254 b. 126 c. 62 d. 30

60.What is the maximum number of subnets and hosts per subnet for the 192.168.50.247 255.255.255.224 network?

a. 2 subnets, 126 hosts per subnet b. 4 subnets, 62 hosts per subnet c. 8 subnets, 30 hosts per subnet d. 16 subnets, 14 hosts per subnet

61.What is the first usable host IP address on the 172.26.56.110/27 network? a. 172.26.56.97 b. 172.26.56.111 c. 172.26.56.126 d. 172.26.56.127

62.What is the maximum number of hosts per subnet for the 10.47.255.1/20 network? a. 512 hosts b. 1022 hosts c. 2046 hosts d. 4094 hosts

63.Which of the following answers lists the broadcast address for the 192.168.50.155/20 network?

a. 192.168.31.255 b. 192.168.47.255 c. 192.168.63.255 d. 192.168.79.255

64.What is the last usable host IP address on the 192.168.32.9/30 network? a. 192.168.32.9 b. 192.168.32.10 c. 192.168.32.11 d. 192.168.32.12

65.What is the network address for the 154.24.67.147/22 host? a. 154.24.48.0 b. 154.24.60.0 c. 154.24.62.0 d. 154.24.64.0

66.What is the first valid host address for a node residing in the 10.119.136.143/20 network?

a. 10.119.96.1 b. 10.119.128.1 c. 10.119.132.1 d. 10.119.136.1

67.Which of the following answers lists the broadcast address for the 46.28.247.109/10 network?

a. 46.31.255.255 b. 46.63.255.255 c. 46.127.255.255 d. 46.255.255.255

68.Given the following point-to-point (/30) network, what is the IP address of the unknown router port?

ANSWER: Click or tap here to enter text.

69.Up to how many hosts can be placed in the subnet which currently reads 'XX' hosts?


70.The following shows a network with two subnets. A device on the network is misconfigured. Select the letter of the device that has an invalid IP address. Your answer should be the letter of the device and why.


71.You have a subnetwork of 192.168.51.0/24. It is divided into subnet A and subnet B. Your boss wants to add a third subnet, C, with 19 hosts. Is this possible? If yes, provide

the network address of the new subnet you will be adding (i.e. 192.168.2.14) and the subnet mask. If it is not possible, enter 'no' as your answer.

ANSWER: Click or tap here to enter text.72.You have a subnetwork, 192.168.124.0/24. It is divided into subnet A and subnet B. Your

boss wants to add a third subnet, C, with 30 hosts. Is this possible? If yes, provide the network address of the new subnet you will be adding (i.e. 192.168.2.14) and the subnet mask. If it is not possible, enter 'no' as your answer.


73.Name 5 things that a DHCP server can automatically assign.a. Click here to enter text.

b. Click here to enter text.

c. Click here to enter text.

d. Click here to enter text.

e. Click here to enter text.

74.Name the four steps of the DHCP process.a. Click here to enter text.

b. Click here to enter text.c. Click here to enter text.

d. Click here to enter text.

75.DHCP servers can use Click here to enter text. allocation, which picks your IP from a pool and it.

76.During the above process, the server keeps track of each client’s Click here to enter text. address which results in the client usually getting the same IP each time.

77.A printer, for example, gets a specific IP address. You can use Click here to enter text. allocation to have the DHCP server assign it based on the printer’s Click here to enter text. address.

78.The pool of addresses and other information to give out is known as the DHCP Click here to enter text.

79.Routers DO NOT forward Click here to enter text.

80.If a DHCP server is on another network (beyond a router), Click here to enter text. will have to be configured. Why? Click here to enter text.

81.Where is the first place checked for a name to IP translation? Click here to enter text.

82.What command prompt command displays the DNS cache? Click here to enter text.

83.What command prompt command empties the DNS cache? Click here to enter text.

84.What command prompt command gets you into a mode to check on a DNS translation? Click here to enter text.

85.When a DNS message request is sent, it also includes the type of message. Fill in the table to identify the type of message.

Type DescriptionA host’s IPv4 address

AAAAMail ServerAnother name for a host/ Alias

86.How many bits in an IPv6 address? Click here to enter text.

87.How many hextets in an IPv6 address? Click here to enter text.

88.Each set of four hex digits is Click here to enter text. bits and is separated by a Click here to enter text.

89.Fully compress these IPv6 addresses:

a. FE80:0AB1:0000:0000:FAB8:0000:0000:1211

Click here to enter text.

b. 2001:349D:0000:0000:0000:056A:002B:1000Click here to enter text.

90.This type of message is sent from one to one. Click here to enter text.

91.This type of message is sent from one to a group. Click here to enter text.

92.This type of message is not used in IPv6. Click here to enter text.

93.Which type of IPv6 address is unroutable, is automatically configured by the interface, and includes the MAC address in it? Click here to enter text.

94.You are not sure if your NIC and/or TCP/IP is functioning properly. What IPv6 address would you ping? Click here to enter text.

95.In the picture below, identify the IPv4 address, the link-local address, and the global unicast address.

a. IPv4: Click here to enter text.b. Link-local: Click here to enter text.c. Global unicast: Click here to enter text.

96.You have a network running IPv6. Your ISP has an IPv4 WAN. What process allows the IPv6 packets to travel over the IPv4 WAN? Click here to enter text.

97.The GCIT network hosts have both IPv4 & IPv6 addresses. Running both versions on the network is known as Click here to enter text.

98.A Click here to enter text. test will tell you if you have connectivity to a remote host. The protocol used for this test is Click here to enter text. It tests if the destination is reachable or Click here to enter text. and the average Click here to enter text. it took to travel.

99.You need to remotely log into a fully configured switch while you are on vacation. You’re concerned about hackers stealing the information you type, such as the passwords. Which method of connection should you choose?

a. Telnetb. Console c. AUXd. SSH

100. Where does the router store the saved configuration file?

a. RAMb. NVRAMc. Flashd. ROM

101. Which command will encrypt all passwords on a device?a. service password-encryptionb. enable secretc. line con 0d. show version

102. Review the picture. You have completed this configuration in a switch. You then try to ping or telnet the switch using that IP address and it fails. What is the problem?

Click here to enter text.

103. What command is used to go from User to Privileged mode? Click here to enter

text.

104. What command is used to go from Privileged to User mode? Click here to enter

text.

105. What command is used to save the current config file you are working on to

NVRAM? Include the prompt. Click here to enter text.

106. Match the definition with the correct Show command:

Show run Choose an item. A. This file is in NVRAM and will become the running-config in the event of a power cycle.

Show start Choose an item. B. Will cause the startup-config to be erased.

Copy run startChoose an item.C. Shows the config file in RAM. This file will be

immediately changed if you make any changes to the router.

Reload Choose an item. D. This copies the configuration in NVRAM to RAM.

Copy start run Choose an item. E. This will cause the device to reload the startup-config into RAM.

Erase start Choose an item. F. This copies the current configuration in RAM to NVRAM.

107. What is the purpose of assigning an IP Address to VLAN 1 on a Switch? Click here to enter text.

108. Fill in the missing commands. This switch connects to a router port with an address of 192.168.1.1.

Switch> Click here to enter text.Switch# Click here to enter text.Switch (config)# Click here to enter text. password ciscoSwitch (config)# Click here to enter text. secret classSwitch (config)# Click here to enter text.Switch (config-line)# password ciscoSwitch (config-line)# Click here to enter text.Switch (config-line)# line Click here to enter text. 0 15Switch (config-line)# password ciscoSwitch (config-line)# Click here to enter text.Switch (config-line)# Click here to enter text.Switch (config)# Click here to enter text.Switch (config-if)# ip address 192.168.1.100 255.255.255.0Switch (config-if)# Click here to enter text.Switch (config-if)# Click here to enter text.Switch (config)# Click or tap here to enter text.Swicth (config)# Ctrl + Z

Switch# Click here to enter text.Destination File Name [startup-config]?Building configuration…

109. Configure port fa0/10 to operate in half duplex at the speed of 10Mbps.

Sporks(config)# Click or tap here to enter text.Sporks(config-if)# Click or tap here to enter text.Sporks(config-if)# Click or tap here to enter text.

110. What happens if the duplex settings do not match between the switch and the PC? Click or tap here to enter text.

111. Turn off switch port fa0/2.

Sporks# Click or tap here to enter text.Sporks(config)# Click or tap here to enter text.Sporks(config-if)# Click or tap here to enter text.

112. What is the purpose of a VLAN? Click or tap here to enter text.

113. What is the only thing that will allow different VLANs to communicate? Click or tap here to enter text.

114. What is added to frames in a VLAN?a. Priority numberb. 802.1q IDc. An extra MAC addressd. Runts

115. All ports on a switch are a member of what VLAN, by default? Click or tap here to enter text.

116. Add VLAN 45 to the switch and assign port fa0/1 to it. Name the VLAN Secretary.

Sporks# Click or tap here to enter text.Sporks(config)# Click or tap here to enter text.Sporks(config-vlan)# Click or tap here to enter text.Sporks(config-vlan)# Click or tap here to enter text.Sporks(config)# Click or tap here to enter text.Sporks(config-if)# Click or tap here to enter text.Sporks(config-if)# Click or tap here to enter text.

117. What is the purpose of a trunk port? Click or tap here to enter text.

118. Which VTP mode allows a switch to send VTP information to other switches?a. Clientb. Serverc. Transparentd. Access

119. Configure port fa0/24 to be a trunk port.

Sporks# Click or tap here to enter text.Sporks(config)# Click or tap here to enter text.Sporks(config-if)# Click or tap here to enter text.

120. What does STP do in a switch? Click or tap here to enter text.

121. List the 5 STP states:a. Click or tap here to enter text.





122. Where does a router look to see where it should send a packet? Click or tap here to enter text.

123. When all routers in your network have learned all of the routes, the network is said to have Click or tap here to enter text.

124. Review the picture. Configure a default route on R2.

METHOD 1:

a. R2(config)# Click or tap here to enter text.

METHOD 2:


125. What command displays the routing table?a. R1#show ip routeb. R1(config)#sh ip routec. R1#show routing tabled. R1(config)#sh ip routing

126. Identify each part of this routing table entry:

a. Click or tap here to enter text.





f. Click or tap here to enter text.

127. Review the picture. In R2, configure a static route to the network that the server is on.

METHOD 1:


METHOD 2:

b. R2(config)# Click or tap here to enter text.

128. Each network is given this number by the ISP to identify it. It only matters to the BGP. Click or tap here to enter text.

129. Identify the information for these routing protocols.

Routing Protocol Interior or Exterior DV, LS, Hybrid Administration

Distance # Metric

OSPF Choose an item. Choose an item. Choose an item. Choose an item.

EIGRP Choose an item. Choose an item. Choose an item. Choose an item.

BGP Choose an item.

RIPv1 Choose an item. Choose an item. Choose an item. Choose an item.

RIPv2 Choose an item. Choose an item. Choose an item. Choose an item.

Directly Connected

Choose an item.

Static Choose an item.

130. Which RIP supports VLSM and sends the subnet mask info in the routing updates? Click or tap here to enter text.

131. How often does RIP send its updates? Click or tap here to enter text.

132. How many hops MAX does RIP go? Click or tap here to enter text.

133. When you use OSPF, all areas must connect to what? Click or tap here to enter text.

134. Configure OSPF for the AdminBuilding router.

a. AdminBuilding(config)# Click or tap here to enter text.b. AdminBuilding(config-router)# Click or tap here to enter text.c. AdminBuilding(config-router)# Click or tap here to enter text.

135. Identify each type of NAT.a. Static NAT: Choose an item.b. Dynamic NAT: Choose an item.c. NAT Overload/PAT: Choose an item.

136. Which NAT uses source ports to keep track of conversations since it only maps to one public IP? Choose an item.

137. Configure static NAT on Router0 for the web server to be accessed from outside your network.

a. Router(config)# Click or tap here to enter text.b. Router(config)# Click or tap here to enter text.c. Router(config-if)# Click or tap here to enter text.d. Router(config-if)# Click or tap here to enter text.e. Router(config-if)# Click or tap here to enter text.

138. What troubleshooting tool shows you the path to a destination network? Click or tap here to enter text.

139. If your firewall is a dedicated appliance, then you have a Click or tap here to enter text. firewall.

140. Click or tap here to enter text. firewalls are used to protect individual PCs.

141. Name the three types of firewalls:a. Click or tap here to enter text.



142. Name which type of firewall performs each job.a. Filters based on the Session Layer ID: Click or tap here to enter text.b. Inspects each packet: Click or tap here to enter text.c. Looks at the layer 7 data: Click or tap here to enter text.d. Most basic firewall: Click or tap here to enter text.e. The fastest inspection: Click or tap here to enter text.f. Checks to see if part of communication: Click or tap here to enter text.g. Also known as a Proxy Server Click or tap here to enter text.

143. This device filters data from the Internet to your internal servers to direct the data to the correct server. Click or tap here to enter text.

144. What device combines the functions of a firewall, antivirus system, anti-spyware system, and VPN services? Click or tap here to enter text.

145. Enter the port number, name, and/or information:

PORT # PROTOCOL NAME INFORMATIONClick or tap here to enter text. Click or tap here to enter text. Transfer of web pages

3389 Click or tap here to enter text. Click or tap here to enter text.

67/68 Click or tap here to enter text. Click or tap here to enter text.

Click or tap here to enter text. Click or tap here to enter text. Transfer of secure web pagesClick or tap here to enter text. POP3 Click or tap here to enter text.

Click or tap here to enter text. Click or tap here to enter text. Secure remote loginClick or tap here to enter text. SMTP Click or tap here to enter text.

Click or tap here to enter text. Telnet Click or tap here to enter text.

Click or tap here to enter text. Click or tap here to enter text. File transfer

143 Click or tap here to enter text. Click or tap here to enter text.

Click or tap here to enter text. Click or tap here to enter text. Domain name translation

146. What type of communication is shown? Click or tap here to enter text.

147. Describe a DMZ and its purpose. Click or tap here to enter text.

148. ACLs are configured in a firewall or a Click or tap here to enter text. and are assigned to the router’s Click or tap here to enter text.

149. At the end of all ACLs is an implicit Click or tap here to enter text.

150. What is the difference between a standard ACL and an extended ACL? Click or tap here to enter text.

151. Review the ACL. What is being denied? Click or tap here to enter text.

152. What are the two main functions of a proxy server? a. Click or tap here to enter text.b. Click or tap here to enter text.

· web viewyou have a subnetwork of 192.168.51.0/24. it is divided into subnet a and subnet b....

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