This set of Computer Networks Questions and Answers for Aptitude test focuses on “Datagram Networks”.1. Datagram switching is done at which layer of OSI model?
Answer: a
Explanation: Datagram switching is normally done at network layer.
Packets in datagram switching are referred to as
Answer: c
Explanation: As the name suggests, in datagram switching packets are called as datagrams.
Datagram networks mainly refers to
Answer: b
Explanation: The switch does not keep the information about the connection state, hence it is connection less.
Datagrams are routed to their destinations with the help of
Answer: c
Explanation: Routing table is used to route the packets to their destinations.
The main contents of the routing table in datagram networks are
Answer: b
Explanation: Routing table contains destination address and output port to route the packets to their destinations.
Which of the following remains same in the header of the packet in a datagram network during the entire journey of the packet?
Answer: a
Explanation: Destination address remains same in the header during the entire journey of the packet.
Which of the following is true with respect to the delay in datagram networks?
Answer: d
Explanation: All the options are true with respect to the delay in datagram networks.
During datagram switching, the packets are placed in __________ to wait until the given transmission line becomes available.
Answer: b
Explanation: Packets are stored in queue during delay and are served as first in first out.
The probability of the error in a transmitted block _________ with the length of the block
Answer: c
Explanation: Probability of the error in a transmitted block increases with the length of the block.
Which of the following is true with respect to the datagram networks?
Answer: d
Explanation: All are the facts with respect to the datagram networks
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