Computer Networks: Introduction, Types, Topologies, and Protocols

Question 1

Which network topology connects devices in a linear fashion, with signals passing through each device in sequence?

Accepted Answer

Bus topology

Answer

Star topology

Answer

Ring topology

Answer

Star Wars topology

Question 2

Which network protocol ensures reliable delivery of data by acknowledging the receipt of data packets and retransmitting lost packets?

Accepted Answer

TCP

Answer

IP

Answer

HTTP

Answer

FTP

Question 3

What is the primary function of a network gateway?

Accepted Answer

To interconnect networks with different protocols or architectures

Answer

To provide security by filtering traffic based on predefined rules

Answer

To route traffic between different network segments

Answer

To store and manage data for network applications

Question 4

Which of the following is NOT an advantage of using a network?

Accepted Answer

Enhanced security

Answer

Resource sharing

Answer

Increased productivity

Answer

Reduced costs

Question 5

In an IP address, the subnet mask performs which function?

Accepted Answer

Identifies the network portion of the IP address

Answer

Determines the host portion of the IP address

Answer

Ensures secure transmission of data

Answer

Improves network performance by optimizing data routing

Question 6

What is the purpose of a Media Access Control (MAC) address?

Accepted Answer

To uniquely identify a device on a network

Answer

To route network traffic

Answer

To provide security by encrypting data

Answer

To store data for network applications

Question 7

In the client-server model of networking, what is the primary distinction between a client and a server?

Accepted Answer

Clients make requests for services, while servers fulfill those requests.

Answer

Servers make requests for services, while clients fulfill those requests.

Answer

Clients and servers perform identical functions.

Answer

There is no distinction between clients and servers.

Question 8

Which of the following is NOT a primary application of computer networks?

Accepted Answer

Manufacturing

Answer

Communication and collaboration

Answer

Resource sharing

Answer

Access to information

Question 9

Which of the following is NOT a fundamental component of a computer network?

Accepted Answer

Printers

Answer

Routers

Answer

Servers

Answer

Firewalls

Question 10

Which technology is NOT considered an emerging trend in computer networks?

Accepted Answer

Legacy Network Protocols

Answer

Software-Defined Networking (SDN)

Answer

Internet of Things (IoT)

Answer

Artificial Intelligence (AI)

Question 11

Which network performance metric measures the delay in data transmission from its source to its destination?

Accepted Answer

Latency

Answer

Throughput

Answer

Bandwidth

Answer

Jitter

Question 12

What is the primary purpose of a network protocol?

Accepted Answer

To establish communication rules between devices on a network.

Answer

To provide encryption for data transmission.

Answer

To define the physical connections between devices.

Answer

To manage network traffic.

Question 13

What is the main difference between a Local Area Network (LAN) and a Wide Area Network (WAN)?

Accepted Answer

WANs connect devices over a smaller geographical area than LANs.

Answer

LANs connect devices over a larger geographical area than WANs.

Answer

LANs are typically used for private networks within an organization, while WANs are used for public networks.

Answer

LANs typically have higher bandwidth than WANs.

Question 14

What is the primary purpose of a MAC (Media Access Control) address?

Accepted Answer

To uniquely identify a specific device on a network.

Answer

To store the IP address of a device.

Answer

To route traffic between devices on a network.

Answer

To provide security for data transmission.

Question 15

Which of the following is NOT a recognized type of network attack?

Accepted Answer

Social sharing

Answer

Malware

Answer

Phishing

Answer

Distributed Denial of Service (DDoS)

Question 16

What is the main distinction between a router and a switch in a network?

Accepted Answer

Routers connect devices on different networks, while switches connect devices on the same network.

Answer

Switches connect devices on different networks, while routers connect devices on the same network.

Answer

Routers provide wireless connectivity, while switches do not.

Answer

Switches provide wireless connectivity, while routers do not.

Question 17

Which of the following is NOT considered a common network topology?

Accepted Answer

Linear

Answer

Bus

Answer

Star

Answer

Ring

Question 18

What is the primary role of a network protocol?

Accepted Answer

To define communication standards and rules

Answer

To ensure network data security

Answer

To connect different types of network devices

Answer

To manage and control network traffic

Question 19

Which of the following is an advantage of a bus network topology?

Accepted Answer

Ease of installation and setup

Answer

High bandwidth capacity

Answer

Enhanced reliability

Answer

Support for long-distance connections

Question 20

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

Accepted Answer

Transmitting data between different networks

Answer

Connecting devices within a single network

Answer

Providing network security protection

Answer

Storing and managing network data

Question 21

Which type of network is typically recommended for small offices with limited resources?

Accepted Answer

Local Area Network (LAN)

Answer

Metropolitan Area Network (MAN)

Answer

Wide Area Network (WAN)

Answer

Personal Area Network (PAN)

Question 22

What is the main purpose of a network interface card (NIC)?

Accepted Answer

Establishing a physical connection to a network

Answer

Managing network traffic and data flow

Answer

Encrypting and decrypting network data

Answer

Storing and configuring network settings

Question 23

Which of the following protocols is primarily used for web browsing?

Accepted Answer

HTTP

Answer

TCP/IP

Answer

FTP

Answer

SMTP

Question 24

What is the key difference between a client-server and peer-to-peer network architecture?

Accepted Answer

Client-server networks have a central server, while peer-to-peer networks do not

Answer

Peer-to-peer networks offer better security than client-server networks

Answer

Client-server networks provide faster performance than peer-to-peer networks

Answer

Peer-to-peer networks are more scalable than client-server networks

Question 25

What is the primary purpose of a network firewall?

Accepted Answer

Filtering and controlling incoming network traffic

Answer

Encrypting and decrypting network data transmissions

Answer

Detecting and responding to network attacks and threats

Answer

Providing remote access to network resources

Question 26

Which network protocol is primarily responsible for establishing and maintaining a connection?

Accepted Answer

TCP

Answer

UDP

Answer

IP

Answer

HTTP

Question 27

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

Accepted Answer

To transfer data between networks

Answer

To connect devices to the internet

Answer

To assign IP addresses to devices

Answer

To protect the network from security threats

Question 28

Which of the following is NOT a common use case for cloud-based networks?

Accepted Answer

Network security

Answer

Data storage

Answer

Application hosting

Answer

Video streaming

Question 29

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

Accepted Answer

To prevent unauthorized access to the network

Answer

To enhance network performance

Answer

To encrypt data transmission

Answer

To manage network traffic

Question 30

What is the key difference between a LAN and a WAN?

Accepted Answer

Scope and size

Answer

Type of connection

Answer

Purpose

Answer

Ownership

Question 31

What is the primary purpose of a proxy server in a network?

Accepted Answer

To cache frequently requested web pages

Answer

To provide security by filtering incoming traffic

Answer

To improve network performance by optimizing data transfer

Answer

To provide anonymity to users

Question 32

Which network protocol is primarily utilized for web browsing?

Accepted Answer

HTTP

Answer

TCP

Answer

IP

Answer

UDP

Question 33

What is the key distinction between a Local Area Network (LAN) and a Wide Area Network (WAN)?

Accepted Answer

LANs are smaller and constrained to a limited geographical area, while WANs are more extensive and span larger distances

Answer

LANs are restricted to internal or private networks, whereas WANs are accessible to the public

Answer

LANs primarily rely on wired connections, while WANs predominantly use wireless connections

Answer

LANs offer faster data transfer rates than WANs

Question 34

Firewalls are primarily designed to:

Accepted Answer

Prevent unauthorized access to a network

Answer

Monitor network traffic patterns

Answer

Enhance the efficiency of network performance

Answer

Resolve network-related issues

Question 35

What is the primary function of a DNS server?

Accepted Answer

Translate domain names into their corresponding IP addresses

Answer

Establish secure connections

Answer

Direct the routing of data packets

Answer

Manage the flow of network traffic

Question 36

What is the primary purpose of using a Virtual Private Network (VPN)?

Accepted Answer

Encrypt data and establish secure remote access

Answer

Enhance network performance

Answer

Restrict access to specific websites

Answer

Monitor network traffic

Question 37

Which tool shows a live picture of how well a network is working?

Accepted Answer

Network Performance Monitor (NPM)

Answer

Wireshark

Answer

ping

Question 38

Which of these is NOT a type of network topology?

Accepted Answer

Quad

Answer

Bus

Answer

Star

Answer

Ring

Question 39

Which protocol assigns IP addresses to devices on a network?

Accepted Answer

DHCP

Answer

TCP

Answer

UDP

Answer

DNS

Question 40

What is the primary purpose of a firewall in a computer network?

Accepted Answer

To prevent unauthorized network traffic

Answer

To translate network addresses

Answer

To direct network packets

Answer

To store network data

Question 41

What is the subnet mask's role in IP addressing?

Accepted Answer

To determine the network portion of an IP address

Answer

To translate domain names to IP addresses

Answer

To enhance network security

Answer

To route packets between different networks

Question 42

Which type of network cable is optimal for high-speed data transfer?

Accepted Answer

Fiber optic

Answer

Coaxial

Answer

Twisted-pair

Answer

Cat-5e

Question 43

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

Accepted Answer

To monitor and manage network components

Answer

To provide access to network resources

Answer

To connect different networks

Answer

To convert data between different network protocols

Question 44

Which of the following is an advantage of cloud computing?

Accepted Answer

Reduced hardware expenditure

Answer

Enhanced data security

Answer

Limited scalability options

Answer

Complex maintenance requirements

Question 45

What is the purpose of a MAC address in a computer network?

Accepted Answer

To uniquely identify a network device

Answer

To store network configuration settings

Answer

To translate domain names to IP addresses

Answer

To protect network traffic

Question 46

Which of the following is a valid type of computer network topology?

Accepted Answer

Bus

Answer

Linear Linked

Answer

Spiral

Answer

Polynomial

Question 47

Which network protocol is primarily designed for file transfer?

Accepted Answer

FTP

Answer

SMTP

Answer

DNS

Answer

DHCP

Question 48

What is the primary function of a gateway device in a network?

Accepted Answer

Connect networks with different protocols

Answer

Translate domain names into IP addresses

Answer

Provide security for the network

Answer

Store and forward data packets

Question 49

Which type of network is most commonly used to connect devices within a small office or home?

Accepted Answer

LAN

Answer

WAN

Answer

MAN

Answer

CAN

Question 50

What is the purpose of a Media Access Control (MAC) address in a computer network?

Accepted Answer

Uniquely identify a network interface

Answer

Route data packets across the network

Answer

Assign IP addresses to devices

Answer

Determine the network protocol being used

Question 51

Which of the following security measures is primarily used to protect against unauthorized access to a network?

Accepted Answer

Firewall

Answer

Data encryption

Answer

Backup software

Answer

Antivirus software

Question 52

What is the primary purpose of a network operating system (NOS)?

Accepted Answer

Manage and control network resources

Answer

Provide a graphical user interface for the network

Answer

Connect devices to the network

Question 53

What is the main function of a router in a computer network?

Accepted Answer

Forward data packets between networks

Answer

Provide internet access to devices

Answer

Translate domain names into IP addresses

Answer

Encrypt data for secure transmission

Question 54

Which characteristic is unique to a peer-to-peer network?

Accepted Answer

All devices have equal roles and responsibilities

Answer

The network is typically used for large-scale applications

Answer

There is a central server that controls the network

Answer

The network is highly secure