Computer Networks

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Q1.How many bits in IPv4?

Easy
A 24bits
B 32bits
C 16bits
D 64bits
Basic Networking Terms PPSC 2026

Correct Answer: B

IPv4 addresses are 32 bits long, allowing for approximately 4.3 billion addresses.

Q2.How many bits in IPv6?

Easy
A 128bits
B 64bits
C 24bits
D 256bits
Basic Networking Terms PPSC 2026

Correct Answer: A

IPv6 addresses are 128 bits long, providing a vastly larger address space than IPv4.

Q3.Which protocol is primarily responsible for ensuring reliable data delivery?

Easy
A HTTP
B TCP
C IP
D UDP
Basic Networking Terms PPSC 2026

Correct Answer: B

TCP (Transmission Control Protocol) ensures reliable, ordered delivery of data packets.

Q4.ARP Stands for?

Hard
A Address Resolution Protocol
B Address Resolve Protocol
C Address Resolve Point
D None of these
Basic Networking Terms PPSC 2026

Correct Answer: A

Q5.The speed of primary Ethernet is ______?

Easy
A 10 Mbps
B 100 Mbps
C 1 Gbps
D None of these
Basic Networking Terms PPSC

Correct Answer: B

Primary Ethernet typically refers to Fast Ethernet which operates at a standard speed of 100 Mbps.

Q6.Which layer of the TCP/IP suite is functionally equivalent to the Transport Layer of the OSI reference model?

Easy
A Application
B Host-to-Host
C Internet
D Network Access
Basic Networking Terms PPSC

Correct Answer: B

The Host-to-Host layer (such as TCP/UDP) handles end-to-end communication and corresponds directly to the Transport Layer of the OSI model.