Graded Assessment – Socket API & Digital Transmissions
Graded Assessment – Socket API & Digital Transmissions >> Fundamentals of Network Communication
TOTAL POINTS 10
1.In BSD socket API, which call is usually used for transmitting data in the connectionless mode?1 point
connect()
sendto()
None of the above
2.Which of following statement about TCP/UDP sockets is wrong?
1 point
TCP socket is stream oriented
UDP socket is block oriented
TCP is faster than UDP
All of the above
3.Which of following are commonly used as digital communication medium?
1 point
All of the above
Coaxial cable
Optical fiber
Twisted pair
4.Consider a network link that has distance of 100 meters, and signal traverses at the speed of light in cable 2.5 x 10^8 meters per second. The link has transmission bandwidth of 100 megabits/second (100 x 10^6 bits per second). The packet size is 400 bits. What is the signal propagation delay?
1 point
4 x 10^-9 seconds
None of the above
4 x 10^-7 seconds
4 x 10^-6 seconds
5.Consider a network link that has distance of 100 meters, and signal traverses at the speed of light in cable 2.5 x 10^8 meters per second. The link has transmission bandwidth of 100 megabits/second (100 x 10^6 bits per second). The packet size is 400 bits. What is the packet transmission delay?
1 point
None of the above
4 x 10^-9 seconds
4 x 10^-6 seconds
4 x 10^-7 seconds
6.An API allows application programs to access certain resources through a predefined interface?
1 point
True
False
7.In transport protocol, which of the following statements is true for User Datagram Protocol
1 point
It enables best-effort connectionless transfer of individual block of information
It enables connection-oriented reliable transfer of individual block of information
It enables best-effort connectionless reliable transfer of a stream of bytes
None of the above
8.Which of the following sentences are true for connectionless stream mode of service
1 point
Multiple write/read between peer processes
No setup overhead and delay
Destination address with each block
Send/receive to/from multiple peer processes
9.In transmission delay, in order to reduce the number of bits in a message we use data compression
1 point
True
False
10.Which of the following is true of data compression algorithms
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