Networking Concepts Quiz

Two classmates connect laptops directly over Wi-Fi to share files without any central server. What network model is this?

• Client–server

• Peer-to-peer

• WAN

• MAN

A group of universities in 1969 linked four computers to withstand failures. Which network was born?

• NSFnet

• ARPANET

• WAN backbone

• Token Ring

A phone call from Delhi to London reserves a single path end-to-end for its duration. What switching type is used?

• Packet forwarding

• Circuit switching

• Message hopping

• Virtual link

A corporate network invests in two independent ISPs so operations continue if one fails. Which network advantage is this?

• Cost saving

• Reliability through redundancy

• Centralized control

• Low latency

A 100 Mbps link is mistaken for “100 million baud.” Which clarification is correct?

• Baud = frequency range

• Mbps = data rate, baud = symbol rate

• They are identical

• Mbps = modulation

A telegram office once accepted a full message, stored it, then forwarded it entirely. Which switching method does this resemble?

• Circuit

• Message

• Packet

• Token

An email breaks into smaller units that follow different paths before reassembly. These units are:

• Circuits

• Packets

• Frames

• Buffers

A Skype call works poorly over packet-switched paths but reliably on a reserved path. Why?

• Packet switching ensures real-time

• Circuit switching avoids jitter

• Message switching is faster

• Multiplexing delays

A streaming service works because packets can adapt routes dynamically instead of staying on one path. Which method is this?

• Packet switching

• Circuit switching

• Message switching

• Virtual links

A network where independent computers share resources collaboratively without central authority is best defined as:

• Supercomputer

• Distributed OS

• Computer network

• Library