Compute Science (M.Sc)

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Q: What is max data capacity for optical fiber cable?

(a) :  10 mbps
(b) :  100 mbps
(c) :  1000 mbps
(d) :  10000 mbps
(e) :  None of the above
Answer:  1000 mbps
Explanation:  1000 mbps is max data capacity for optical fiber cable.

Q: Which one of the following is not used in media access control?

(a) :   ethernet
(b) :  b) digital subscriber line
(c) :   fiber distributed data interface
(d) :   none of the mentioned
(e) :  None of the above
Answer:   none of the mentioned
Explanation:  

Q: Pretty good privacy (PGP) is used in

(a) :   browser security
(b) :   email security
(c) :   FTP security
(d) :   none of the mentioned
(e) :  None of the above
Answer:   email security
Explanation:  

Q: Which layer of OSI determines the interface of the system with the user?

(a) :  Network
(b) :  Application
(c) :  Data-link
(d) :  Session
(e) :  none
Answer:  Application
Explanation:  

Q: Which of the following allows a router to respond to an ARP request that is intended for a remote host?

(a) :  Gateway DP
(b) :  Reverse ARP (RARP)
(c) :  Proxy ARP
(d) :  Inverse ARP (IARP)
(e) :  None of the above
Answer:  Proxy ARP
Explanation:  Proxy ARP can help machines on a subnet reach remote subnets without configuring routing or a default gateway.

Q: The time taken by a packet to travel from client to server and then back to the client is called __________

(a) :  STT
(b) :  RTT
(c) :  PTT
(d) :  None of the mentioned
(e) :  None of the above
Answer:  RTT
Explanation:  RTT stands for round-trip time.

Q: Which type of system puts the user into direct conversation with the computer through a keyboard?

(a) :  Real time processing
(b) :  Interactive computer
(c) :  Batch processing
(d) :  Time sharing
(e) :  None
Answer:  Interactive computer
Explanation:  

Q: Which of the following is used for modulation and demodulation?

(a) :  modem
(b) :  protocols
(c) :  gateway
(d) :  multiplexer
(e) :  none
Answer:  modem
Explanation:  

Q: In RPC, while a server is processing the call, the client is blocked

(a) :   unless the client sends an asynchronous request to the server
(b) :   unless the call processing is complete
(c) :   for the complete duration of the connection
(d) :   none of the mentioned
(e) :  None of the above
Answer:   unless the client sends an asynchronous request to the server
Explanation:  
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