WB JECA MCA Computer Networks Previous Year Questions (PYQs) – Page 1 of 4

The UDP header is 8 bytes (64 bits) long — containing source port, destination port, length, and checksum.

TCP provides a full-duplex service — meaning data can flow simultaneously in both directions.

A bridge operates at Layer 2 (Data Link Layer) and is considered a two-layer switch.

A static routing table is manually configured by the administrator.

BOOTP (Bootstrap Protocol) works at the application layer of the OSI model.

ICMP error messages are always sent back to the source of the packet.

traceroute uses ICMP Echo and TTL fields to determine the route to a destination.

SNMP (Simple Network Management Protocol) is an application layer protocol.