COMPUTER SCIENCE MCQs by General knowledge Solutions

COMPUTER SCIENCE MCQs  by General knowledge Solutions

                                                                                     

1. What is internet?
a) a single network
b) a vast collection of different networks
c) interconnection of local area networks
d) none of the mentioned View Answer

Answer:b Explanation:None.

2. To join the internet, the computer has to be connected to a
a) internet architecture board
b) internet society
c) internet service provider
d) none of the mentioned View Answer

 Answer:c Explanation:None.

3. Internet access by transmitting digital data over the wires of a local telephone network is provided by
a) leased line
b) digital subscriber line
c) digital signal line
d) none of the mentioned View Answer

Answer:b Explanation:None.

4. ISP exchanges internet traffic between their networks by
a) internet exchange point
b) subscriber end point
c) ISP end point
d) none of the mentioned View Answer

Answer:a Explanation:None.

5. Which one of the following protocol is not used in internet?
a) HTTP
b) DHCP
c) DNS
d) none of the mentioned View Answer

Answer:d Explanation:None.

6. IPv6 addressed have a size of
a) 32 bits
b) 64 bits
c) 128 bits
d) 265 bits View Answer

Answer:c Explanation:None.

7. Internet works on
a) packet switching
b) circuit switching
c) both (a) and (b)
d) none of the mentioned View Answer

 Answer:a Explanation:None.

8. Which one of the following is not an application layer protocol used in internet?
a) remote procedure call
b) internet relay chat
c) resource reservation protocol
d) none of the mentioned View Answer

 Answer:c Explanation:None.

9. Which protocol assigns IP address to the client connected in the internet?

a) DHCP
b) IP
c) RPC
d) none of the mentioned View Answer

Answer:a Explanation:None.

10. Which one of the following is not used in media access control?
a) ethernet
b) digital subscriber line
c) fiber distributed data interface
d) none of the mentioned View Answer

Answer:d Explanation:None. Computer Networks Questions & Answers – DHCP This section of our 1000+ Computer Networks MCQs focuses on DHCP Protocol.

11. DHCP (dynamic host configuration protocol) provides _____ to the client.
a) IP address
b) MAC address
c) url
d) none of the mentioned View Answer

Answer:a Explanation:None.

12. DHCP is used for
a) IPv6
b) IPv4
c) both (a) and (b)
d) none of the mentioned View Answer

Answer:c Explanation:None.


13. The DHCP server
a) maintains a database of available IP addresses
b) maintains the information about client configuration parameters
c) grants a IP address when receives a request from a client
d) all of the mentioned View Answer

 Answer:d Explanation:None.

14. IP assigned for a client by DHCP server is
a) for a limited period
b) for unlimited period
c) not time dependent
d) none of the mentioned View Answer

Answer:a Explanation:None

15. DHCP uses UDP port ____ for sending data to the server.
a) 66
b) 67
c) 68
d) 69 View Answer

Answer:b Explanation:None.

16. The DHCP server can provide the _______ of the IP addresses.
a) dynamic allocation
b) automatic allocation
c) static allocation
d) all of the mentioned View Answer

Answer:d Explanation:None.

17. DHCP client and servers on the same subnet communicate via
a) UDP broadcast
b) UDP unicast
c) TCP broadcast
d) TCP unicast View Answer

 Answer:a Explanation:None.

18. After obtaining the IP address, to prevent the IP conflict the client may use
a) internet relay chat
b) broader gateway protocol
c) address resolution protocol
d) none of the mentioned View Answer

Answer:c Explanation:None.

19. What is DHCP snooping?
a) techniques applied to ensure the security of an existing DHCP infrastructure
b) encryption of the DHCP server requests
c) algorithm for DHCP
d) none of the mentioned View Answer

Answer:a Explanation:None.

20. If DHCP snooping is configured on a LAN switch, then clients having specific ______ can access the network.
a) MAC address
b) IP address
c) both (a) and (b)
d) none of the mentioned View Answer

 Answer:c Explanation:None. Computer Networks Questions & Answers – Access Networks This set of Computer Networks Questions & Answers focuses on “Access Networks”.

21. Which of this is not a constituent of residential telephone line?
a) A high-speed downstream channel
b) A medium-speed downstream channel
c) A low-speed downstream channel
d) None of the mentioned View Answer

 Answer: c Explanation: The third part is ordinary two way telephone channel.

22. In DSL telco provides these services
a) Wired phone access
b) ISP
c) All of the mentioned
d) None of the mentioned View Answer

 Answer: c Explanation: The same company which provides phone connection is also its ISP in DSL. 23. The function of DSLAM is
a) Convert analog signals into digital signals
b) Convert digital signals into analog signals
c) Amplify digital signals
d) None of the mentioned View Answer

Answer: a Explanation: The DSLAM located in telco’s Central Office does this function.


24. The following term is not associted with DSL
a) DSLAM
b) CO
c) Splitter
d) CMTS View Answer

Answer: d Explanation: Cable modem termination system is used in cable internet access.

25. HFC contains
a) Fibre cable
b) Coaxial cable
c) Both of the mentioned
d) None of the mentioned View Answer

 Answer: c Explanation: None.

26. Choose the statement which is not applicable for cable internet access
a) It is a shared broadcast medium
b) It includes HFCs
c) Cable modem connects home PC to Ethernet port
d) Analog signal is converted to digital signal in DSLAM View Answer

Answer: d Explanation: In cable access analog signal is converted to digital signal by CMTS.

 27. Among the optical-distribution architectures that is essentially switched ehternet is
 a) AON
 b) PON
 c) NON
 d) None of the mentioned View Answer

 Answer:a Explanation: Active optical networks are essentially switched ehternets.

 28. StarBand provides
a) FTTH internet access
b) Cable access
c) Telephone access
d) Satellite access View Answer

Answer: d Explanation: None.
29. Home Access is provided by
a) DSL
b) FTTP
c) Cable
d) All of the mentioned View Answer

Answer: d Explanation: None.

30. ONT is connected to splitter using
a) High speed fibre cable
b) HFC
c) Optical cable
d) None of the mentioned View Answer

 Answer: c Explanation: None