B CompE Bachelor of Computer Engineering Computer Networks

Question 1

Which layer of the OSI model is responsible for end-to-end communication and error recovery?

Accepted Answer

Transport Layer

Answer

The Transport Layer (Layer 4) provides end-to-end communication, error recovery, and flow control between hosts.

Question 2

What does the acronym TCP stand for in networking?

Accepted Answer

Transmission Control Protocol

Answer

TCP stands for Transmission Control Protocol, a connection-oriented protocol that ensures reliable data delivery.

Question 3

Which IP address class supports up to 254 hosts per network?

Accepted Answer

Class C

Answer

Class C addresses use 24 bits for the network and 8 bits for the host, supporting up to 254 usable host addresses.

Question 4

What is the primary function of the ARP protocol?

Accepted Answer

Resolve IP addresses to MAC addresses

Answer

ARP (Address Resolution Protocol) maps a known IP address to its corresponding MAC address on a local network.

Question 5

Which protocol is used to assign IP addresses automatically to devices on a network?

Accepted Answer

DHCP

Answer

DHCP (Dynamic Host Configuration Protocol) automatically assigns IP addresses and other network configuration to clients.

B CompE Bachelor of Computer Engineering Practice Test