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1. Which network type is a specifically designed configuration of computers and other devices located within a confined area?

A. Peer-to-peer network

B. Local area network

C. Client/server network

D. Wide area network

 

2. In which network type does each host on the LAN have the same authority as other hosts?

A. Peer-to-peer network

B. Local area network

C. Client/server network

D. Wide area network

 

3. Which network type requires a network operating system (NOS)?

A. Peer-to-peer network

B. Local area network

C. Client/server network

D. Wide area network

 

4. Large networks are frequently broken down into manageable pieces called

A. Components

B. Partitions

C. Segments

D. Divisions

 

5. Which network component is most vulnerable to performance problems caused by poor installation practices?

A. Clients

B. Servers

C. Wiring

D. Network transmission devices

 

6. Which network medium carries light-based data through strands of glass or plastic no thicker than a human hair?

A. Coaxial

B. Twisted pair

C. Fibre optic

D. Wireless

 

7. Which network medium is composed of 4 pairs of wires, where the pairs are twisted together and bundled within a covering? 

A. Coaxial

B. Twisted pair

C. Fibre optic

D. Wireless

 

8. Which network medium contains a layer of braided wire or foil between the core and the outside insulating layer, plus another layer of plastic or rubberised material that separates the central core from the shielding layer?

A. Coaxial

B. Twisted pair

C. Fibre optic

D. Wireless

 

9. Which network medium is a popular choice for outdoors or in an historic building?

A. Coaxial

B. Twisted pair

C. Fibre optic

D. Wireless

 

10. Fibre optic cabling is often used as the ___________ for networks.

A. Baseband

B. Backbone

C. Trunking

D. Connectors

 

11. ____________ cable has the best wiring value and expansion capability.

A. Ethernet

B. Coaxial

C. Fibre optic

D. Composite

 

12. Which type of coaxial cable is used for low-power video and RF signal connections?

A. RG-6

B. RG-8

C. RG-11

D. RG-58

E. RG-59

 

13. Thicknet cables are which type? (Choose all that apply.)

A. RG-6

B. RG-8

C. RG-11

D. RG-58

E. RG-59

 

14. Security on a WLAN is accomplished by  ________________ the MAC addresses of wireless NICs that are allowed to use the access point and by encrypying data sent over the wireless LAN.

A. Accessing

B. Including

C. Filtering

D. Rejecting

 

15. Which wireless protocol is a short-range wireless technology limited to transmission distances of about 100 metres or less?

A. 802.11a

B. Bluetooth

C. Wi-Fi

D. WiMAX

 

16. In which topology is each node connected to a central network transmission device such as a hub or switch?

A. Bus

B. Mesh

C. Ring

D. Star

 

17. In which network topology is each node connected to the next by a direct line so that a continuous line is formed?

A. Bus

B. Mesh

C. Ring

D. Star


18. In which network topology is each node connected to a central device by two network cables?

A. Bus

B. Mesh

C. Ring

D. Star

 

19. In which network topology do all nodes have independent connections to all other nodes?

A. Bus

B. Mesh

C. Ring

D. Star

 

20. True or false? The network topology shown in the graphic is an example of the mesh topology.

 

            Node           Node             Node       Node              Node       Node             

                 \            /                             \            /                          \            /

  Node ----------\------/----------------------------------\-------/--------------------------------\------/-------  Node

                    /       \                                  /       \                               /       \

             Node       Node                      Node       Node                   Node     Node

 

TRUE / FALSE

 

21. True or false? In a star topology, when a single connection fails, it doesn't affect the communication ability of other computers.

 

TRUE / FALSE

  

22. The benefit of a  _____________  topology is that it's simple and inexpensive to set up.

A. Bus

B. Mesh

C. Ring

D. Star

 

23. True or false? The star topology uses a central networking device called a multistation access unit (MSAU).

 

TRUE / FALSE

 

24. The  _____________ topology is extremely fault-tolerant, but expensive to implement.

A. Bus

B. Mesh

C. Ring

D. Star

 

25. An example of a  ______________ connection is the dial-up connection from a computer to an ISP.

A. Local Area Network

B. Point-to-Point

C. Broadband

D. Broken

 

26. In which type of networking is data broken up into packets before it is sent over the network?

A. Point-to-point

B. Point-to-multipoint

C. Packet-switching

D. Circuit-switching

 

27. Which ethernet standard is the fastest?

A. Twisted Pair Ethernet

B. Fast Ethernet

C. Gigabyte Ethernet

D. 10GbE

 

28. Which Ethernet standard designates fibre optic cabling as its required medium? (Choose all that apply.)

A. BASE-CX

B. BASE-R

C. BASE-T

D. BASE-W

E. BASE-X

 

29. Ethernet ____________________ combines the bandwidth of two network interface cards as a cost-effective way to increase bandwidth available for data transfers for critical servers, such as firewalls and production servers.

A. Pairing

B. Coupling

C. Bonding

D. Linking

 

30. True or false? A star Ethernet might be faster than a bus Ethernet, especially if there are many nodes on the network

 

TRUE  /  FALSE

31. Which network topologies can you use with Ethernet networks? (Choose all that apply)

A. Bus

B. Mesh

C. Ring

D. Star

 

32. _________________ is an acronym for the channel access method that avoids collisions rather than detecting them

A. CSMA/CA

B. CSMA/CC

C. CSMA/CD

D. CSMA/CB

 

33. In order to transmit data on a Token Ring network, a node must have posession of the ______________.

A. Packet

B. Ring

C. Network

D. Token

 

34. In a WLAN, the wireless NIC allows nodes to communicate over _____________ distances using radio waves, which it sends to, and receives, from the hub

A. Medium

B. Long

C. Short

D. Very long

 

35. True or False? A LAN becomes a WAN when you expand the network configuration beyond your own premises and must lease data communication lines from a public carrier

 

TRUE  /  FALSE

 

36. Which WAN connection technology uses encryption and security protocols to create a private network over a public network?

A. Cable

B. Cellular

C. DSL

D. DUN

E. Satellite

F. VPN

G. Wireless

 

37. Which WAN connection technology uses high-speed connections made over regular analogue phone lines?

A. Cable

B. Cellular

C. DSL

D. DUN

E. Satellite

F. VPN

G. Wireless

 

38. Which WAN connection technology converts a digital signal into an analogue signal for transmission on the normal telephone network then converts it back at the destination?

A. Cellular

B. DSL

C. ISDN

D. POTS/PSTN

 

39. Which WAN connection technology currently uses Enhanced Data rates for GSM Evolution (EDGE), Evolution-Data Optimised (EV-DO), or High-Speed Downlink Packet Access (HSPDA)?

A. Cable

B. Cellular

C. DSL

D. DUN

E. Satellite

F. VPN

G. Wireless

 

40. Which WAN technology is used to connect a small ISP or large business to a regional ISP, and a regional ISP to an Internet backbone, uses fixed-length packets, called cells, to transmit data, voice, video, and frame relay traffic?

A. ATM

B. E1/E3

C. Frame relay

D. T1/T3

E. X.25

 

41. Which OSI lyer provides security, encryption, and compression for the data?

A. Layer 1 - Physical

B. Layer 2 - Data Link

C. Layer 3 - Network

D. Layer 4 - Transport

E. Layer 5 - Session

F. Layer 6 - Presentation

G. Layer 7 - Application

 

42. Which OSI layer divides long communications into smaller data packages, handles error recognition and correction, and acknowledges the correct receipt of data?

A. Layer 1 - Physical

B. Layer 2 - Data Link

C. Layer 3 - Network

D. Layer 4 - Transport

E. Layer 5 - Session

F. Layer 6 - Presentation

G. Layer 7 - Application

 

43. Which OSI layer addresses data messages, translates logical addresses into actual physical addresses, and routes data to addresses on the network?

A. Layer 1 - Physical

B. Layer 2 - Data Link

C. Layer 3 - Network

D. Layer 4 - Transport

E. Layer 5 - Session

F. Layer 6 - Presentation

G. Layer 7 - Application

 

44. Which OSI layer transmits bits from one computer to another and regulates the transmission stream over a medium?

A. Layer 1 - Physical

B. Layer 2 - Data Link

C. Layer 3 - Network

D. Layer 4 - Transport

E. Layer 5 - Session

F. Layer 6 - Presentation

G. Layer 7 - Application

 

 

Answers:

1) B

2) A

3) C

4) segments

5) C

6) C

7) B

8) A

9) D

10) backbone

11) composite

12) E

13) B, C

14) filtering

15) B

16) D

17) A

18) C

19) B

20) False. It's an example of a hybrid network technology.

21) True. In the star topology, when a single connection fails , it doesn't affect the communication ability of other computers connected to the same network transmission device.

22) bus

23) Fales. Token Ring networks use a multisession access unit (MSAU)

24) mesh

25) point-to-point

26) C

27) D

28) B, E

29) bonding

30) False. A star Ethernet  might be slower than a bus ethernet, because the hub generates a lot of data traffic that isn't used. It replicates all the data it receives from any source and sends it to every node.

31) A, D

32) CSMA/CD

33) token

34) short

35) True

36) F

37) C

38) D

39) B

40) A

41) F

42) D

43) C

44) A