Networks 101: Understanding the Basics of Computer Networks

Question 1

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

Accepted Answer

To route data packets between different networks

Answer

To provide network security

Answer

To manage network traffic

Answer

To connect devices to a network

Question 2

Which of the following is the primary purpose of a network?

Accepted Answer

To connect devices and facilitate communication

Answer

To store data

Answer

To process data

Answer

To control access to resources

Question 3

Which of the following network types is typically used for wide-area connections?

Accepted Answer

WAN

Answer

MAN

Answer

CAN

Answer

LAN

Question 4

What is the main advantage of using a centralized network architecture?

Accepted Answer

Centralized control and management

Answer

Increased security

Answer

Lower cost

Answer

Improved performance

Question 5

Which of the following is a function of a network operating system (NOS)?

Accepted Answer

Manage network resources and provide services

Answer

Process user requests

Answer

Display graphical user interfaces (GUIs)

Answer

Store and retrieve data

Question 6

What is the purpose of a network management system (NMS)?

Accepted Answer

To monitor, manage, and troubleshoot network devices and services

Answer

To provide network security

Answer

To store and retrieve network data

Question 7

Which of the following is NOT a characteristic of a computer network?

Accepted Answer

Limited to two computers

Answer

Facilitates communication

Answer

Shares resources

Answer

Allows data exchange

Question 8

What is the primary purpose of a network protocol?

Accepted Answer

Establish communication rules

Answer

Store user data

Answer

Manage network traffic

Answer

Detect and correct errors

Question 9

Which of the following network topologies is characterized by a central hub connecting all devices?

Accepted Answer

Star

Answer

Bus

Answer

Ring

Answer

Mesh

Question 10

What type of network security measure is designed to prevent unauthorized access to sensitive data?

Accepted Answer

Encryption

Answer

VPN

Answer

Firewall

Question 11

What is the function of a MAC address in a network?

Accepted Answer

Uniquely identify network devices

Answer

Detect network failures

Answer

Store user preferences

Answer

Configure network settings

Question 12

Which of the following is a type of application layer protocol?

Accepted Answer

HTTP

Answer

IP

Answer

TCP

Question 13

What is the purpose of a network switch?

Accepted Answer

Forward data packets between devices

Answer

Provide network access

Answer

Store network data

Answer

Monitor network traffic

Question 14

Which of the following is a characteristic of a WAN (Wide Area Network)?

Accepted Answer

Spans a large geographic area

Answer

Has low bandwidth

Answer

Uses wireless connections

Answer

Is typically used for home networks

Question 15

What is the role of a router in a network?

Accepted Answer

Connects different networks

Answer

Detects and repairs network problems

Answer

Filters network traffic

Answer

Provides network storage