Telecommunications Network Fundamentals

Question 1

What does OSI stand for in networking?

Accepted Answer

Open Systems Interconnection

Answer

OSI stands for Open Systems Interconnection, a conceptual framework for understanding how network protocols interact.

Question 2

How many layers are in the OSI model?

Accepted Answer

7

Answer

The OSI model has 7 layers: Physical, Data Link, Network, Transport, Session, Presentation, and Application.

Question 3

Which OSI layer is responsible for IP addressing and routing?

Accepted Answer

Network

Answer

The Network layer (Layer 3) handles logical addressing (IP) and routing between networks.

Question 4

What is the primary function of a repeater in a network?

Accepted Answer

Regenerate and amplify signals

Answer

A repeater regenerates and amplifies signals to extend the range of a network segment.

Question 5

Which transmission medium offers the highest bandwidth for telecommunications?

Accepted Answer

Fiber optic cable

Answer

Fiber optic cable offers the highest bandwidth because it transmits data as light pulses through glass or plastic fibers.

Telecommunications Practice Test