1. T-1 carrier ca n carry how many voice or data channels?

a. 48b. 24 – ansc. 672d. 480

2. Super jumbo group multiplex _____ VB channels

a. 3600b. 10800 – ansc. 1800d. 2500

3. What is the total speed of BRI-ISDN?a. 144 kbps – ansb. 1.544 Mbpsc. 2.05 Mbpsd. 64 kbps

4. _____ is also known as the Universal DSL

a. HDSLb. DSL Litec. ADSL – ansd. xDSL

5. _____ was develop as a replacement for X.25 packet switching

a. ATMb. Frame relay - ansc. ISDNd. SONET

6. What is the unlicensed frequency for Bluetooth technology?

a. 1.44 GHzb. 2.4 GHz - ansc. 3.4 GHzd. 4.4 GHz

7. ____ is a layer 1 transport service on fiber optic cabling?

a. ATMb. SONET - ansc. VPNd. HDSL

8. This protocol lays down the specification for the process and procedure for a Bluetooth service to discover the functionalities available in other Bluetooth devices

a. L2CAPb. SDP – ansc. IrDA Protocold. TCP/IP

9. Wala10. A type of network topology where

nodes are connected in sequential order

a. Busb. Meshc. Ringd. Star

11. ___ is a protocol that defines how internet sites can be written to fit on cellular devices screens and how devices access and view these sites.

a. WAPb. TCP/IPc. Wi-Maxd. WiFi

12. ___ is the T-3 transmission rate of 44 Mbps with 673 channels

a. Fractional T-1b. Full T-1

c. DS-3d. DS-0

13. ___ provides reliable high speed services starting as low as 2.4 kbps and ranges as high as 45 Mbps

a. VSATb. ISDNc. Leased Line – ansd. DSL

14. This layer enables receiving devices to understand the information sent from the source

a. Networkb. Presentaion – ansc. Data linkd. Application

15. E-1 carrier can carry how many voice or data channels?

a. 30b. 40c. 50d. 60

16. It is the term used when two or more stations attempting to access a network at the same time

a. Collisionb. Conventionc. Contentiond. Attenuation

17. ___is the result of two or more message sent on the same line at the same time

a. Collision – ansb. Conventionc. Contentiond. Attenuation

18. ___ is fiber optic network protocol based on dual ring topology

a. Token Ringb. Token Bus c. Network securityd. FDDI – ans

19. What is the group name for IEEE 802.10?

a. Token Ringb. Token Busc. Network security – ansd. FDDI

20. This layer is responsible for the correct addressing and delivery of packets of data

a. Network - ansb. Presentationc. Data linkd. Application

21. Enables receiving device to understand the information sent from the source

a. Networkb. Presentation – ansc. Data linkd. Application

22. At the ___ layer the bits may be analog or digital in form of electrical, light or radio waves.

a. Physical – ansb. Sessionc. Transportd. Network

23. ___ is another 2.4 GHz radio w/c has many similarities to Bluetooth wireless technology. This can operate ad hoc

networks (data only) or be under a control of a connection point coordinating the system and providing a gateway to the telephone network(voice and data).

a. RF Home - ansb. RFIc. WiFid. UMTS

24. The technology is used to replace a wired LAN throughout a building. The transmission capacity is high and so is the number of simultaneous users.

a. IEEE 802.10b. IEEE 802.11 - ansc. IEEE 802.12d. IEEE 802.13

25. The destination device returns the data to its original format before passing to the ___ layer.

a. Networkb. Presentationc. Data linkd. Application

26. It also manages the speed of transmission – flow control

a. Physicalb. Sessionc. Transport - ansd. Network

27. ___ is a business organization w/c provides regulated telephone, telegraph, telex and communication services.

a. CCLEC

b. LECc. Common carrier – ansd. IXC

28. ___ is a common carrier that provides local telephone services.

a. CCLECb. LCE – ansc. Common carrierd. IXC

29. ___ is a common carrier that provides long distance services

a. CCLECb. LECc. Common carrierd. IXC – ans

30. The ___ appeared in the 1960’s and defined the basis for all communications networks today

a. Packet switchingb. Packet switching WANSc. X.25d. Frame Relay

31. Who invented the mouse in 1960’s?a. Douglas Engelbart - ansb. Vinton Cerfc. Gordon Gouldd. John Postel

32. Who invented the dot matrix printer in 1970?

a. Dovetronicsb. Comtronicsc. Centronics - ansd. Techtronics

33. Who invented the 56 kbps MODEM in 1996?

a. Tim Berners-Leeb. Robert Kahnc. Ray Tomlinsond. Dr. Brent Townshend – ans

34. Who invented the LASER in 1957?a. Douglas Engelbartb. Vinton Cerfc. Gordon Gould – ansd. John Postel

35. Who develop the e-mail in 1972?a. Tim Berners-Leeb. Robert Kahnc. Ray Tomlinson - ansd. Dr. Brent Townshend

36. Who invented the first Modern Credit Card in 1950?

a. Paul Mockapetrisb. Frank X. Mc Namara – ansc. John Bardeend. Jack Kilby

37. Who developed the TCP in 1973?a. Paul Mockapetris and John

Postelb. Vinton Cerf and Robert Kahn -

ansc. Robert Metcalfed. Paul Baran

38. Who developed the Ethernet in 1973?a. Paul Mockapetris and John

Postelb. Vinton Cerf and Robert Kahn c. Robert Metcalfe - ansd. Paul Baran

39. Who invented the Domain Name System(DNS) in 1984?

a. Paul Mockapetris and John Postel - ans

b. Vinton Cerf and Robert Kahn c. Robert Metcalfed. Paul Baran

Paul Mockapetris and John Postel introduce DNS in 1984, which also introduces the domain name system. The first Internet domain name ‘symbolics.com’ is registered by Symbolics, a Massachusetts computer company on march 15, 1985.

40. What is the first internet domain name?a. Symbolics.com – ansb. Usa.netc. eBay.comd. http://www.yahoo.com

41. Who invented the HTML in 1990?a. Tim-Berners Lee - ansb. Robert Kahnc. Ray Tomlinsond. Dr. Brent Townshend

In 1990, Tim Berners-Lee develops HTML which made a huge contribution to how we navigate and view internet today.

42. The first ISP which was introduced in 1974

a. Pacific Internetb. Nortelc. Compunentd. Telenet – ans

43. Who develop the TCP/IP in 1978?

a. Danny Cohen, David Reed and John Scoch – ans

b. Bardeen, Brattain and Shockleyc. Vint Cerf, Robert Kahn and Tim

Berners Leed. None of the choices

In 1978, TCP splits into TCP/IP driven by Danny Cohen, David Reed and John Shoch to support real-time traffic. This allows the creation of UDP.TCP/IP is later standardized into ARPANET on January 1, 1983 and is still the primary protocol used for the internet.

44. Who introduces WWW to the public on August 6,1991?

a. Tim Berners – Lee - ansb. Robert Kahnc. Ray Tomlinsond. Dr. Brent Townshend

Tim Berners – Lee introduces WWW to the public on August 6, 1991. The World Wide Web (WWW) is what most people today consider the ‘internet’ or a series of sites and pages that are connected with links. The internet as a whole had hundreds of people who helped developed the standards and technologies that make it what it is today, but without the WWW the internet would not be as popular and useful as it is today.

45. What is the first widely used graphical World Wide Web browser developed and first released on April 22, 1993?

a. Netscape Navigator

b. Internet Explorerc. Mozillad. Mosaic – ans

Mosaic is the first widely used graphical World Wide Web browser developed and first released on April 22, 1993 by the NCSA with the help of Marc Andreessen and Eric Bina. A big competitor to Mosaic was Netscape, which was released a year later. Today, most of the Internet browsers we use today, e.g. Internet Explorer, Firefox, etc. got their inspiration from the Mosaic browser.

46. Java is a programming language developed by ___

a. James Goslingb. Igor Stravinskyc. Brendan Eichd. Dennis Ritchie

Originally known as oak, Java is a programming language developed by James Gosling and others at Sun Microsystems that was first introduced to the public in 1995 and today is widely used to create Internet applications and other software programs.

47. JavaScript is a programming language and is originally known as ___

a. PostScriptb. LiveScript - ansc. ManuScriptd. RoleScript

Originally developed by Brendan Eich and known as LiveScript, which was renamed to JavaScript in 1995. JavaScript is an interpreted client-side scripting language that allows a web designer the ability to insert code into their web page.

48. Ensures that the packet is in the correct format for the destination

a. Networkb. Presentaionc. Data linkd. Application

49. This protocol is very commonly used to upload files and download them from servers on the network is another application program. This is often invoked transparently by Web browser or file downloads.

a. FTP - ansb. TCPc. SMTPd. IP

50. A system that allows users to access documents from widely separated source on the internet using a common interference.

a. WWW – ansb. HTTPc. SNMPd. IGRP

51. ___ is a term used to refer to a process where multiple analog message signals or digital data streams are combined into one signal over a shared medium.

a. Multiplexing – ansb. Multiple Accessc. Source Codingd. Channel Coding

52. A reserve process known as ____, can extract the original channels on the receiver side

a. Calibratingb. Decodingc. Demultipexing – ansd. Decrypting

53. ___ is unsophisticated form of multiplexing which simply constitutes propagating signals from different sources on different cables.

a. FDMb. TDMc. SDM – ansd. PDM

54. In ___, two data channels modulate the same frequency that has been shifted in different phase angle.

a. FDMb. TDMc. SDMd. PDM – ans

55. In ___, multiple sources that originally occupied the same frequency spectrum are each converted to a different frequency band and transmitted simultaneously over a single transmission medium,

a. FDM - ansb. TDMc. SDM

d. PDM56. What is the complete name of a bus

topology?a. Common Bus Multipoint

Topology - ansb. Full Mesh Topologyc. Common Bus Multipoint

Topologyd. Common Oriented Bus

Topology57. Super Jumbo group can multiplex ___

VB channelsa. 3600b. 10800 - ansc. 1800d. 2500

58. Master group can multiplex ___ VB channels

a. 400b. 10,000c. 12d. 600 - ans

59. ____ is a measure on how much information can be propagated through a communication system and is a function of bandwidth and transmission time.

a. Information Theoryb. Information Systemc. Information Capacity - ansd. Information Dissemination

60. It is the rate of change at the input of a MODEM

a. Baud - ansb. Bit rate

c. Bandwidthd. Guard band

61. What is the exchange of predetermined signals between two devices establishing a connection: usually a part of communication protocols?

a. Handshaking - ansb. Connectivityc. Protocolsd. Communication

62. What specifies the rules for data transfer between stations?

a. Link Controlb. Data Control - ansc. Transmission controld. Transmission rules

63. What is the process of monitoring the received data and determining when a transmission error has occurred?

a. Error monitoringb. Error detection - ansc. Protocold. Data monitoring

64. Involves transmitting each character twice

a. Errorb. Redundancy - ansc. Dual Transmissiond. Duplex

65. Responsible for the rate of transmissiona. Physicalb. Sessionc. Transportd. Network - ans

66. Enforces order in the communication between devices

a. Physicalb. Session - ansc. Transportd. Network

67. The part of the network that carries the heaviest traffic

a. Segmentb. Back bone - ansc. Noded. Architecture

68. The portion of light in a fiber that is redirected to that it travels in the opposite direction of intended transmission

a. Cut-off wavelengthb. Delay slewc. Cross connectd. Back scattering - ans

69. The data-carrying capacity of a transmission medium, usually measured in hertz, which equals cycles per second.

a. Data rateb. Bandwidth - ansc. Baud rated. Bit rate

70. The frequency band occupied by a single or composite signal in its original or unmodulated form

a. Base band - ansb. Broad bandc. Wide bandd. Narrow band

71. It is the science and art of transforming messages to make them secure and immune to attacks

a. Chromatographyb. Floodingc. Cryptography - ansd. DOS

72. A non-for-profit professional association for hose involved in the design and installation of cabling infrastractures/telecommunications distribution system.

a. ISOb. IEEEc. ANSId. EIA/TIA - ans

73. A wireless technology that allows for signal to be transmitted over distance of <10 meters at a frequency of 2.4 GHz at speed of less than 1Mbps speed

a. WiFib. WIMAXc. Bluetooth – ansd. Infrared

74. Atransmission facility that has a bandwidth (capacity) capable of carrying numerous voice, video and data channels simultaneously. Each channel operates on a different frequency.

a. Base bandb. Broad band - ansc. Bandwidthd. Narrow band

75. The material that surrounds the fibera. Coreb. Claddingc. Buffer - ansd. Gela

76. SMTP, HTTP and FTP are the services in the ____ layers.

a. Physicalb. Sessionc. Transport - ansd. Application

77. Determines the best path for the packeta. Physicalb. Sessionc. Transportd. Network - ans

78. A Physical or logical path for the transmission of information

a. Leased lineb. Cross linec. Channel - ansd. FEXT

79. The twist in twisted wire pairs:a. Reduce EMI - ansb. Occur at a 30 degree anglec. Eliminate loadingd. Were removed due to cost

80. The transparent material, usually glass that surrounds the core of the optical fiber

a. Coreb. Cladding - ansc. Bufferd. Gela

81. Typically refers to the point on each floor of a building where the drop side device (workstation) connects to the system side equipment (LAN).

a. Cabinet stripb. Cabinet - ansc. Patched portd. Patching cable

82. A device mounted on the end of a fiber for the purpose of mating the fiber to a source, receiver, or other device, or to another fiber through a coupling sleeve.

a. Connectorb. Terminator - ansc. Optoisolatord. Decoupler

83. The condition when two or more stations attempt to use the same time

a. Collisionb. Competitionc. Contention - ansd. Attenuation

84. The center of an optical fibera. Core - ansb. Claddingc. Bufferd. Gela

85. Fiber optic cables operate at frequencies near

a. 20MHzb. 299 MHzc. 2 GHzd. 800 THz -ans

86. The unwanted introduction of signals from one channel to another

a. Crosstalk -ansb. Cross overc. Cross patchd. Cross connect

87. _____ refers to the receive/transmit terminals initialized at dispersed sites connecting to a central hub via satellite

a. VSAT -ansb. ISDNc. Leased lined. DSL

88. Packets that travel in any path, but not necessary the same as each other

a. Packet Snifferb. Datagram -ansc. Framesd. Flags

89. What is the standard PRI-ISDN format for North America

a. 28+Db. 238+D -ansc. 308+2Dd. 8+D

90. The technology was designed for modern networks which do not need lots of error recovery?

a. Packet switchingb. Frame relay -ansc. ISDNd. xDSL

91. …92. Nonconductive fiber optic cables may

be contructed using all dielectric materials. These cables are especially suitable for use in hight EMI

environments and areas of high electrical potential

a. Conductorb. D-type -ansc. Dielectricd. Metal

93. What do you call the installed telephone pair to the customer premises?

a. Local loop - ansb. Twisted pairc. Coaxd. Fiber optic cable

94. The technology uses the lower 3 layers of the OSI model

a. Packet switching -ansb. Frame relayc. ATMd. SONET

95. A CCITT standard for transmitting at 114.4 kbps, full duplex on a switched circuit

a. V92 -ansb. V32 bisc. V16d. V32

96. A family of high-speed digital transmission system designed according to their transmission capacity

a. T-carrierb. E-Carrierc. DS0 - ansd. OC

97. Signal outside of the frequency range allowed for a voice signal

a. Out-of-band -ansb. In-bandc. Out-of-ranged. Side band

98. Energy generated by outside sources, such as lighting system and electric motors which is received by copper data/voice cable and interfere with transmission

a. RFI -ansb. FPTc. DTMFd. EMI

99. An unwanted action to a computer or network system

a. Spyware -ansb. Malwarec. Threatd. Host controller

100. A proprietary set of high-level communications protocol designed to use small, low power, digital radios

a. Kerberosb. TKIPc. Zigbee -ansd. WAP