Top 1000+ Solved Computer Networks MCQ Questions Answer
Q. DSL stands for ------------------------
a. data subscriber lines
b. dual subscriber lines
c. delay subscriber lines
d. digital subscriber lines
Q. The 802.5 standard implements a way for preventing collisions on the network. How are collisions prevented when using this standard?
a. CSMA/CD
b. Token passing
c. Collision detection
d. Time sharing
Q. One of the header fields in an IP datagram is the Time to Live (TTL) field.Which of the following statements best explains the need for this field?
a. It can be used to prioritize packets
b. It can be used to reduce delays
c. It can be used to optimize throughput
d. It can be used to prevent packet looping
Q. Which of the following system calls results in the sending of SYN packets?
a. socket
b. bind
c. listen
d. connect
Q. What is the maximum size of data that the application layer can pass on to the TCP layer below?
a. Any size
b. 2^16 bytes-size of TCP header
c. 2^16 bytes
d. 1500 bytes
Q. Which one of the following statements is FALSE?
a. Packet switching leads to better utilization of bandwidth resources than circuit switching.
b. Packet switching results in less variation in delay than circuit switching.
c. Packet switching requires more per packet processing than circuit switching
d. Packet switching can lead to reordering unlike in circuit switching
Q. In Ethernet CSMA/CD, the special bit sequence transmitted by media access management to handle collision is called
a. Preamble
b. Post amble
c. Jam
d. None of the above
Q. The right to use a domain name is delegated by domain name registers which are accredited by
a. internet architecture board
b. internet society
c. internet research task force
d. internet corporation for assigned names and numbers
Q. The domain name system is maintained by
a. distributed database system
b. a single server
c. a single computer
d. none of the mentioned
Q. Which one of the following is not true?
a. multiple hostnames may correspond to a single ip address
b. a single hostname may correspond to many ip addresses
c. a single hostname may correspond to a single ip address
d. none of the mentioned
Q. Telnet protocol is used to establish a connection to
a. tcp port number 21
b. tcp port number 22
c. tcp port number 23
d. tcp port number 24
Q. Which one of the following is not true?
a. telnet defines a network virtual terminal (nvt) standard
b. client programs interact with nvt
c. server translates nvt operations
d. none of the mentioned