Top 1000+ Solved Computer Networks MCQ Questions Answer
Q. The portion of physical layer that interfaces with the media access control sublayer is called
a. physical signalling sublayer
b. physical data sublayer
c. physical address sublayer
d. none of the mentioned
Q. physical layer provides
a. mechanical specifications of electrical connectors and cables
b. electrical specification of transmission line signal level
c. specification for ir over optical fiber
d. all of the mentioned
Q. In asynchronous serial communication the physical layer provides
a. start and stop signalling
b. flow control
c. both (a) and (b)
d. none of the mentioned
Q. The conditional GET mechanism
a. imposes conditions on the objects to be requested
b. limits the number of response from a server
c. helps to keep a cache upto date
d. none of the mentioned
Q. Which of the following is present in both an HTTP request line and a status line?
a. http version number
b. url
c. method
d. none of the mentioned
Q. Which of the following is not applicable for IP?
a. error reporting
b. handle addressing conventions
c. datagram format
d. packet handling conventions
Q. Which of the following field in IPv4 datagram is not related to fragmentation?
a. flags
b. offset
c. tos
d. identifier
Q. The TTL field has value 10. How many routers (max) can process this datagram?
a. 11
b. 5
c. 10
d. 1
Q. If the value in protocol field is 17, the transport layer protocol used is ____.
a. tcp
b. udp
c. either of the mentioned
d. none of the mentioned
Q. The data field can carry which of the following?
a. tcp segemnt
b. udp segment
c. icmp messages
d. none of the mentioned
Q. What should be the flag value to indicate the last fragment?
a. 0
b. 1
c. ttl value
d. none of the mentioned
Q. Which of these is not applicable for IP protocol?
a. is connectionless
b. offer reliable service
c. offer unreliable service
d. none of the mentioned
Q. Fragmentation has following demerits
a. complicates routers
b. open to dos attack
c. overlapping of fragments.
d. all of the mentioned