Computer Network Question Answer – (Part 1)

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Hey friends, how are you? I think you are fine. Form Today I will start a new topic for Networking  student, who is preparing for CCNA exam or other Network  related exam. I will give you all N+ exam question and answer part by part. Here is the 1st part.keep following my post for next part.

Computer Network Question Answer

Computer Network Question Answer

 

1. Which network topology has all the nodes returning to a central hub?
A) Star
B) Ring
C) Bus
D) Fully meshed
Correct Answer (s):
A) Star

2. Which network topology has all the nodes connected to one coaxial cable?

A) Star
B) Ring
C) Bus
D) Fully meshed
Correct Answer (s):
C) Bus

3. What is the Telnet port?
A) 23
B) 80
C) 110
D) 25
Correct Answer (s):
A) 23

4. Which network topology has all the nodes connected to the node before it and the node after it in the topology?
A) Star
B) Ring
C) Bus
D) Fully meshed
Correct Answer (s):
B) Ring

5. Which network devices work at the OSI NETWORK Link layer? [Choose the two bestanswers]
A) Switch
B) Hub
C) NIC
D) Bridge
E) Router
F) Gateway
Correct Answer (s):
A) Switch
D) Router

6. Which protocol works only at the Data Link layer of the OSI model?

A) AppleTalk
B) IPX
C) NetBEUI
D) TCP/IP
Correct Answer (s):
C) NetBEUI

7. Which network device works at the Network layer of the OSI model?

A) Router
B) Hub
C) Gateway
D) Switch
E) Bridge
Correct Answer (s):
A) Router

8. What is the HTTP port?
A) 110
B) 80
C) 21
D) 25
Correct Answer (s):
B) 80

9. Which IEEE standard defines the Logical Link Control protocol?A) 802.2

B) 802.11
C) 802.3
D) 802.5
E) 802.12
Correct Answer (s):
A) 802.2

10. On the coldest days of winter, you notice that the network seems to be unstable in the office areas. What should you look for as the possible cause of the problem?

A) A cold air draft near the network equipment
B) Space heaters causing electrical and network interference
C) The cable runs on the outside wall getting too cold
D) Excessive interference caused by the central heating system
Correct Answer (s):
B) Space heaters causing electrical and network interference

11. What would you use a crossover cable for? [Choose the four best answers]
A) A hub-to-PC connection
B) A PC-to-PC connection
C) A switch-to-PC connection
D) A hub-to-hub connection
E) A hub-to-switch connection
F) A switch-to-switch connection
Correct Answer (s):
B) A PC-to-PC connection
D) A hub-to-hub connection
E) A hub-to-switch connection
F) A switch-to-switch connection

12. How would you determine whether a fault exists in a network cable?
A) Replace the cable with a new cable
B) Test the cable with a cable tester
C) Terminate the ends again
D) Inspect the cable for defects
Correct Answer (s):
B) Test the cable with a cable tester

13. What would be the result of connecting a workstation to a hub when the horizontal cable run was 95 meters and two patch cables are 10 meters each?
A) It would work fine because patch cables are not counted in the length.
B) It is close enough to the maximum length to guarantee reliable connectivity.
C) It is longer than the maximum allowed length, and reliable connectivity cannot be guaranteed.
D) It might or might not work; you won’t know until you put it into production.
Correct Answer (s): 
C) It is longer than the maximum allowed length, and reliable connectivity cannot be guaranteed.

14. What is full duplex in an Ethernet environment?
A) When data can flow in both directions at the same time in a non-sharedcollision domain.
B) When data can flow in both directions at the same time in a sharedcollision domain.
C) It is a proprietary link between Ethernet switches.
D) It is a proprietary link between Ethernet hubs.
Correct Answer (s):
A) When data can flow in both directions at the same time in a non-shared collision domain.

15. If you have a network user that wants to print to a network printer several offices over, what is the best way to accomplish that task?
A) Let the user have access to a computer in that department so they can print
B) Buy a printer just like it and put it in the user’s department
C) Redirect the local parallel printer port so that it is captured to the queue that services that printer
D) Take a floppy disk to someone in that department and ask them to print it
Correct Answer (s):
C) Redirect the local parallel printer port so that it is captured to the queue that services that printer

16. What is the UNC format for accessing a shared drive on a server?
A) /servername/sharename
B) \\servername\sharename
C) \\sharename
D) \\sharename\\servername
Correct Answer (s):
B) \\servername\sharename

17. During an initial workstation configuration for dial-up access to an Internet provider, the modems seem to connect to each other, but full
communications is never established and the connection is dropped. What could be the problem?
A) The workstation is set up for PPP when it should be set up for SLIP.
B) The workstation is set up for SLIP when it should be set up for PPP.
C) The local modem is defective.
D) The telephone line is not data quality.
Correct Answer (s):
B) The workstation is set up for SLIP when it should be set up for PPP.

18. What standard does the NetWare 4.x NDS correspond to?
A) IEEE 802.2
B) ITU X.400
C) ITU X.25
D) ITU X.500
Correct Answer (s):
D) ITU X.500

19. If a home user is having a modem connection problem, where is the best place to go to for technical support? [Choose the two best answers]
A) The manufacturers Web site
B) Someone you know who has a computer
C) Call the modem manufacturer for technical support
D) Research the technical literature, hard copy, or CD-ROM for troubleshooting methods and try them
Correct Answer (s):
C) Call the modem manufacturer for technical support
D) Research the technical literature, hard copy, or CD-ROM for troubleshooting methods and try them

20. Which TCP/IP utility would you use to connect to a Web server on port 80, send it HTTP commands, and interactively monitor the results to determine whether a problem exists?
A) FTP
B) Telnet
C) Tracert
D) SNMP
Correct Answer (s):
B) Telnet

21. If you add an ISA card to a system and one of the PCI cards stops working, how would you fix it?
A) Determine whether an IRQ or memory I/O conflict exists and change the value that is conflicting
B) Take the card out and forget about adding it
C) Send the card back because it is defective
D) Get a card from a different manufacturer and try it
Correct Answer (s):
A) Determine whether an IRQ or memory I/O conflict exists and change the value that is conflicting

22. Which utility displays the NetBIOS over TCP/IP statistics?
A) NETSTAT
B) WINIPCFG
C) IPCONFIG
D) NBTSTAT
Correct Answer (s):
D) NBTSTAT

23. Which utility displays the active OSI Transport layer ports that are open on a workstation or server?
A) NETSTAT
B) WINIPCFG
C) IPCONFIG
D) NBTSTAT
Correct Answer (s):
A) NETSTAT

24. Which device connects dissimilar protocols?
A) Switch
B) Gateway
C) Hub
D) Router
Correct Answer (s):
B) Gateway

25. What types of ports are on the front of an MAU? [Choose the three best answers]
A) Ring in
B) MAU in
C) Ring out
D) MAU out
E) Token ring port
Correct Answer (s):
A) Ring in
C) Ring out
E) Token ring port

Thank you