networking

What does LAN stand for?

• Large Area Network

• Local Area Network

• Long Access Network

• Light Access Network

Which of the following is a wide area network?

• • A) Ethernet

• • B) Internet

• • C) Bluetooth

• • D) Intranet

A topology where each node is connected to every other node is called:

• Bus Topology

• Star Topology

• Mesh Topology

• Ring Topology

In the ISO/OSI reference model, which layer is responsible for data segmentation?

• • A) Physical

• • B) Network

• • C) Transport

• • D) Application

OSI model has how many layers?

• 4

• 5

• 6

• 7

Which of the following is NOT a transmission medium?

• • A) Coaxial Cable

• • B) Optical Fiber

• C) Router

• D) Twisted Pair

Multiplexing allows:

• • A) One signal to use multiple channels

• • B) Multiple signals to share one channel

• • C) Signals to remain unaltered during transmission

• • D) Faster error detection

What is the main function of the data link layer?

• • A) Error detection and correction

• • B) Routing packets

• • C) Managing application protocols

• • D) Physical connection setup

Sliding window protocols are used for:

• • A) Error-free packet delivery

• • B) Flow control

• • C) Network security

• • D) Both A and B

What is the primary purpose of a router?

• • A) Convert analog signals to digital

• • B) Forward packets based on IP addresses

• • C) Store web pages

• • D) Perform data encryption