Networks: Types, Structures, and Applications

Question 1

Which network topology involves connecting each device to a central hub or switch?

Accepted Answer

Star

Answer

Bus

Answer

Ring

Answer

Mesh

Question 2

Error detection and correction on the OSI model occur at which layer?

Accepted Answer

Data Link

Answer

Physical

Answer

Network

Answer

Transport

Question 3

What is a primary purpose of a firewall?

Accepted Answer

Prevent unauthorized access to a network

Answer

Detect and remove viruses and malware

Answer

Monitor network traffic

Answer

Improve network performance

Question 4

Which option is NOT a typical use case for a VPN?

Accepted Answer

Improving internet speed

Answer

Secure remote access to a corporate network

Answer

Bypassing geo-restrictions on websites

Answer

Protecting privacy while browsing the internet

Question 5

What is the main function of a DNS server?

Accepted Answer

Translate domain names into IP addresses

Answer

Store and manage email messages

Answer

Provide security for network traffic

Answer

Route data packets across networks

Question 6

What is the main purpose of a firewall in a network?

Accepted Answer

To protect the network from unauthorized access and potential threats.

Answer

To improve the speed and performance of the network.

Answer

To store data for the network.

Answer

To process data for the network.

Question 7

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

Accepted Answer

To uniquely identify a specific network interface card (NIC) on a device.

Answer

To route network traffic between devices on the network.

Answer

To store data for the network.

Answer

To process data for the network.

Question 8

What is a defining characteristic of a wide area network (WAN)?

Accepted Answer

Covers a vast geographical distance

Answer

Relies on public telephone lines for connectivity

Answer

Utilizes a single protocol for all communications

Question 9

What is the primary function of a network protocol?

Accepted Answer

To establish communication rules between devices on a network

Answer

To provide network security

Answer

To manage network resources

Answer

To store and retrieve data

Question 10

Which of the following is an example of a wide area network (WAN)?

Accepted Answer

The Internet

Answer

Ethernet

Answer

Wi-Fi

Answer

Bluetooth

Question 11

What is the purpose of a firewall?

Accepted Answer

To monitor and prevent unauthorized access to a network

Answer

To detect and remove viruses and other malware

Answer

To improve network performance

Answer

To provide remote access to a network

Question 12

What is the primary distinction between a router and a switch?

Accepted Answer

Routers connect networks, while switches connect devices to networks

Answer

Switches connect networks, while routers connect devices to networks

Answer

Routers and switches perform the same function

Answer

Switches are more expensive than routers

Question 13

What is the primary role of an Internet Service Provider (ISP)?

Accepted Answer

To provide internet access to customers

Answer

To develop web browsers

Answer

To create and maintain websites

Answer

To regulate the internet

Question 14

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

Accepted Answer

To monitor and manage network devices and resources

Answer

To provide network security

Answer

To improve network performance

Answer

To provide remote access to networks

Question 15

Which layer of the TCP/IP model is responsible for data transmission and error correction?

Accepted Answer

Transport Layer

Answer

Application Layer

Answer

Network Layer

Answer

Data Link Layer

Question 16

What is the purpose of a web server?

Accepted Answer

To store and deliver web pages

Answer

To send and receive email

Answer

To protect networks from unauthorized access

Answer

To provide a platform for developing software applications

Question 17

What is the primary advantage of using a fiber optic cable over a copper cable for network connections?

Accepted Answer

Faster data transfer rates

Answer

Lower latency

Answer

Increased signal quality

Answer

Improved durability

Question 18

Which network topology involves connecting devices in a circular fashion, with data flowing in one direction only?

Accepted Answer

Ring

Answer

Star

Answer

Bus

Answer

Mesh

Question 19

Which cloud computing service model provides users with the ability to run their own applications on a provider's infrastructure?

Accepted Answer

Infrastructure as a Service (IaaS)

Answer

Platform as a Service (PaaS)

Answer

Software as a Service (SaaS)

Answer

Function as a Service (FaaS)

Question 20

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

Accepted Answer

To monitor, manage, and troubleshoot network devices and services

Answer

To provide a graphical user interface for network administration

Answer

To detect and mitigate network security threats

Answer

To store and analyze network performance data

Question 21

Which characteristic is NOT associated with a Local Area Network (LAN)?

Accepted Answer

Extensive internet connectivity

Answer

High-speed data transfer

Answer

Limited geographical coverage

Answer

Small number of connected devices

Question 22

What is the purpose of the Transmission Control Protocol (TCP)?

Accepted Answer

Ensuring reliable data delivery

Answer

Establishing and maintaining connections between devices

Answer

Breaking data into packets for transmission

Answer

Preventing data loss and corruption

Question 23

Which network type is used to connect computers over vast distances?

Accepted Answer

WAN

Answer

LAN

Answer

MAN

Answer

PAN

Question 24

Why is subnetting used in networks?

Accepted Answer

To expand the number of available IP addresses

Answer

To enhance network security

Answer

To optimize network performance

Answer

To simplify network management

Question 25

Which type of network communication allows data transmission in both directions simultaneously?

Accepted Answer

Full-duplex

Answer

Simplex

Answer

Half-duplex

Answer

Triplex

Question 26

What is the main advantage of using a network management system (NMS)?

Accepted Answer

Centralized monitoring and management of network devices

Answer

Enhanced network security

Answer

Increased network speed

Answer

Reduced network downtime

Question 27

Identify the option that does not represent a type of network.

Accepted Answer

Protocol

Answer

Local Area Network (LAN)

Answer

Wide Area Network (WAN)

Answer

Virtual Private Network (VPN)

Question 28

Which protocol is essential for communication between devices on the Internet?

Accepted Answer

Transmission Control Protocol/Internet Protocol (TCP/IP)

Answer

Hypertext Transfer Protocol (HTTP)

Answer

Simple Mail Transfer Protocol (SMTP)

Answer

File Transfer Protocol (FTP)

Question 29

Explain the difference between a client and a server in a network environment.

Accepted Answer

A client sends requests for data, while a server responds with the requested data

Answer

A server sends requests for data, while a client responds with the requested data

Answer

Both clients and servers can request and provide data

Answer

Clients have a direct connection to the Internet, while servers do not

Question 30

Describe the primary function of a router in a network.

Accepted Answer

Forwarding data packets between different networks

Answer

Connecting devices within a network

Answer

Granting access to the Internet

Answer

Storing data

Question 31

Which network topology involves a central hub or switch connecting all devices?

Accepted Answer

Star

Answer

Bus

Answer

Ring

Answer

Mesh

Question 32

Which of the following is NOT a benefit of cloud computing?

Accepted Answer

Improved security

Answer

Cost savings

Answer

Increased flexibility

Question 33

To enhance network security, which of these measures is effective?

Accepted Answer

Implementing firewalls to prevent unauthorized access

Accepted Answer

Disabling unused services to minimize attack opportunities

Accepted Answer

Regularly updating software to address security flaws

Answer

Maintaining default passwords for convenience

Question 34

What is the primary function of a MAC address?

Accepted Answer

To uniquely identify a device on a network

Answer

To store network configuration information

Answer

To route network traffic

Answer

To provide security for network communications

Question 35

Which of the following protocols is used for file transfer over a network?

Accepted Answer

FTP

Answer

HTTP

Answer

SMTP

Answer

DNS

Question 36

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

Accepted Answer

To prevent unauthorized network access

Answer

To detect and remove malware

Answer

To optimize network performance

Answer

To provide encryption for network traffic

Question 37

Which of the following is a potential limitation of cloud-based networks?

Accepted Answer

Limited customization options

Answer

Reduced hardware costs

Answer

Increased scalability

Answer

Enhanced security

Question 38

What is the key difference between IPv4 and IPv6?

Accepted Answer

IPv4 uses 32-bit addresses while IPv6 uses 128-bit addresses

Answer

IPv4 is more secure than IPv6

Answer

IPv6 is more efficient for routing traffic

Answer

IPv4 is used only on LANs while IPv6 is used on WANs

Question 39

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

Accepted Answer

To uniquely identify a device on a network

Answer

To store user preferences

Answer

To provide a secure connection

Answer

To route traffic across the network

Question 40

What is the key difference between a star and a bus network topology?

Accepted Answer

In a star topology, devices connect to a central hub, whereas in a bus topology, devices connect to a single cable

Answer

In a star topology, data flows in one direction, while in a bus topology, data flows in both directions

Question 41

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

Accepted Answer

To connect different networks and forward data packets

Answer

To provide a secure connection

Answer

To store data

Question 42

Which of the following is a commonly used wireless networking technology?

Accepted Answer

Wi-Fi

Answer

USB

Answer

Ethernet

Question 43

What is the main purpose of a firewall?

Accepted Answer

To protect a network from unauthorized access

Answer

To connect different networks

Answer

To store user data

Answer

To improve network performance

Question 44

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

Accepted Answer

A WAN connects multiple LANs over a wide geographic area, while a LAN connects devices within a local, limited area

Answer

A WAN is typically faster than a LAN