Introduction to Networking: Master the Fundamentals of Computer Networks

Question 1

The Open Systems Interconnection (OSI) model is a framework that organizes network communication into layers. What is the purpose of the OSI model?

Accepted Answer

To define the functions of each layer in network communication

Answer

To specify the type of network protocol used for data transmission

Answer

To describe the physical layout of a network

Answer

To differentiate between wired and wireless networks

Question 2

Which network topology consists of a central hub to which all devices are directly connected?

Accepted Answer

Star

Answer

Ring

Answer

Bus

Answer

Mesh

Question 3

What is the main purpose of the TCP/IP protocol suite?

Accepted Answer

To establish communication guidelines between devices on a network

Answer

To assign IP addresses to devices

Answer

To encrypt data transmissions

Question 4

Which device is designed to direct network traffic between different networks?

Accepted Answer

Router

Answer

Hub

Answer

Switch

Answer

Modem

Question 5

What is the primary role of a firewall in a network?

Accepted Answer

To safeguard the network from unauthorized access

Answer

To enhance network performance

Answer

To assign IP addresses

Answer

To route network traffic

Question 6

Which wireless network standard offers high-speed internet access?

Accepted Answer

Wi-Fi 6

Answer

NFC

Answer

Bluetooth

Answer

Zigbee

Question 7

What is the main purpose of a MAC address?

Accepted Answer

To uniquely identify a device connected to a network

Answer

To encrypt data transmissions

Answer

To assign IP addresses to devices

Question 8

Which type of network is used to connect devices within a limited physical space?

Accepted Answer

LAN

Answer

MAN

Answer

PAN

Answer

WAN

Question 9

What is the key distinction between a modem and a router?

Accepted Answer

A modem connects to the internet, while a router facilitates connections between devices and the internet

Answer

A router is a type of modem

Answer

A modem is a type of router

Question 10

Which of the following is NOT a valid network topology?

Accepted Answer

Star-shaped

Answer

Bus

Answer

Ring

Answer

Linear

Question 11

Which protocol is responsible for establishing and managing network connections?

Accepted Answer

TCP

Answer

IP

Answer

HTTP

Question 12

Which of the following is a network security measure?

Accepted Answer

Firewall

Answer

Router

Answer

Switch

Question 13

What is the purpose of a gateway in a network?

Accepted Answer

To connect different networks

Answer

To provide physical connectivity

Answer

To store data

Answer

To route network traffic

Question 14

Which of the following is a characteristic of a LAN network?

Accepted Answer

Limited geographical scope

Answer

Typically wireless

Answer

Connects devices over long distances

Answer

Uses fiber optic cables

Question 15

What is the role of the MAC address in networking?

Accepted Answer

To uniquely identify a network interface

Answer

To cache DNS requests

Answer

To assign IP addresses

Answer

To route network traffic

Question 16

Which of the following is a benefit of using a cloud-based network?

Accepted Answer

Scalability and cost efficiency

Answer

Requirement for specialized hardware

Answer

Increased latency

Answer

Enhanced security

Question 17

What is the purpose of a subnet mask?

Accepted Answer

To divide a network into smaller subnetworks

Answer

To filter network traffic

Answer

To improve network performance

Answer

To assign IP addresses

Question 18

Which of the following is a component of a network management system?

Accepted Answer

Performance monitoring tools

Answer

Firewalls

Answer

Routers

Answer

Printers

Question 19

What is the difference between a router and a switch?

Accepted Answer

Routers connect different networks, while switches connect devices within a network

Answer

Switches are faster than routers

Answer

Routers are more secure than switches

Question 20

Which of the following is NOT a network topology?

Accepted Answer

Radial

Answer

Bus

Answer

Star

Question 21

Which networking protocol is responsible for addressing and routing network traffic?

Accepted Answer

IP

Answer

TCP

Answer

UDP

Question 22

Which of the following is a common networking device used to connect different network segments?

Accepted Answer

Router

Answer

Printer

Answer

Modem

Answer

Firewall

Question 23

Which type of network security measure protects against unauthorized access to network resources?

Accepted Answer

Firewall

Answer

Antivirus

Answer

Backup

Answer

Encryption

Question 24

Which of the following is an example of a wireless network?

Accepted Answer

Wi-Fi

Answer

Fiber optic

Answer

Ethernet

Answer

Satellite

Question 25

What is the purpose of a network mask in an IP address?

Accepted Answer

Identify the network and host portions of the IP address

Answer

Assign unique IP addresses to devices

Answer

Provide encryption for network traffic

Question 26

Which of the following is a benefit of using a cloud-based network?

Accepted Answer

Scalability and flexibility

Answer

Simplified management

Answer

Lower hardware costs

Answer

Increased security

Question 27

What is the role of a DHCP server in a network?

Accepted Answer

Automatically assign IP addresses to devices

Answer

Monitor network performance and activity

Answer

Filter network traffic based on MAC addresses

Answer

Provide a secure connection between devices

Question 28

Which of the following is a potential disadvantage of using a mesh network topology?

Accepted Answer

Increased complexity and management overhead

Answer

Limited range and coverage

Answer

Higher security risks

Answer

Reduced network performance

Question 29

What is the purpose of the World Wide Web?

Accepted Answer

Provide a system for accessing and sharing information on the internet

Answer

Connect computers and devices across long distances

Answer

Protect networks from security threats