Q. Subnetting is actually
✅ Correct Answer: (B)
sub division of networks
Data Communication and Networking MCQs and Notes
Q. In Address Resolution Protocol (ARP), a packet is encapsulated directly into a
✅ Correct Answer: (D)
Data link Frame
Q. Which switch is a multistage switch with micro switches at each stage that route the packets based on the output port represented as a binary string?
✅ Correct Answer: (A)
Banyan switch
Q. Which is also known as a connectionless protocol for a packet-switching network that uses the Datagram approach?
✅ Correct Answer: (B)
IPV4
Q. Switching at the network layer in the Internet uses the datagram approach to:
✅ Correct Answer: (D)
Packet switching
Q. Which network is a cross between circuits switched network and a data-gram network?
✅ Correct Answer: (B)
Virtual-circuit network
Q. Time required for a message to travel from one device to another is known as:
✅ Correct Answer: (A)
Transit time
Q. For data communications to occur, the communicating devices must be part of a communication system made up of a combination of?
✅ Correct Answer: (B)
Hardware and software
Q. Which of the following is a wrong example of network layer?
✅ Correct Answer: (D)
X.25 level 2-ISO
Q. The PDU of network layer is
✅ Correct Answer: (C)
packets