Hard Computer Network Basics Test - 60+ MCQs: Computer Network Basics Quiz: Test Your Knowledge with Essential Networking Questions

1. What is a VLAN?

A virtual local area network

A virus protection software

A type of network cable

A network monitoring tool

2. What is a MAC address used for in networking?

To identify devices on a network at the IP layer

To uniquely identify network interfaces at the data link layer

To manage domain names in the DNS system

To define the order of operations in network protocols

3. What is the purpose of DHCP (Dynamic Host Configuration Protocol) in networking?

To assign IP addresses automatically to devices on a network

To encrypt data for secure transmission

To regulate internet traffic

To compress data for efficient storage

4. What is the role of EIGRP (Enhanced Interior Gateway Routing Protocol) in routing?

EIGRP is a protocol for secure communication.

EIGRP is a type of network gateway.

EIGRP is used for managing network configurations dynamically.

EIGRP is an advanced routing protocol for efficient and scalable networks.

5. What is the purpose of the DSCP (Differentiated Services Code Point) field in IP headers?

To define network encryption standards

To manage network traffic within a local area network

To facilitate routing between autonomous systems

To prioritize and differentiate types of network traffic

6. What is the function of a firewall in a computer network?

To prevent unauthorized access

To boost network speed

To allocate IP addresses

To store network configuration settings

7. What does IP stand for in the context of computer networking?

Internet Protocol

Internal Processing

Intranet Port

Information Processing

8. What is the purpose of the STP (Spanning Tree Protocol) in Ethernet networks?

To enhance network security

To prevent network loops in redundant topologies

To improve data transmission speed

To manage network configurations dynamically

9. What is the purpose of NAT in networking?

To translate network addresses

To enhance network security

To manage network protocols

To store network files

10. What does NAT stand for in networking?

Network Address Translation

National Association of Technicians

Network Authentication Token

Node Access Technology

11. What is the purpose of an IP address in a computer network?

To identify a device on the network

To establish a secure connection

To determine internet speed

To manage network protocols

12. Explain the concept of BGP route reflectors and their role in BGP scalability.

BGP route reflectors are used for managing network configurations dynamically.

BGP route reflectors are a security protocol.

BGP route reflectors are used to improve data transmission speed.

BGP route reflectors help in reducing the number of BGP peer connections in large networks.

13. In networking, what does WAN stand for?

Wireless Area Network

Wide Area Network

Web Application Node

Wavelength Adaptation Node

14. What is the purpose of a switch in a computer network?

To connect different networks

To control network access

To convert analog signals to digital

To generate IP addresses

15. What is the purpose of the SSL/TLS protocols in networking?

To secure data transmission over the internet

To define network encryption standards

To monitor network traffic

To establish network connections

16. What is a DDoS attack in the context of computer networks?

Distributed Denial of Service attack

Digital Data Override Security

Dynamic Data Organization System

Data Detection and Obstruction System

17. What is the role of PIM (Protocol Independent Multicast) in IP multicast routing?

PIM is used for managing network devices.

PIM is a protocol for secure communication.

PIM allows the efficient forwarding of multicast traffic in a network.

PIM is designed for network simulation.

18. What role does SDN (Software-Defined Networking) play in modern network architectures?

SDN is a protocol for network encryption.

SDN allows centralized control of network devices through software applications.

SDN is only relevant in small-scale networks.

SDN is designed for managing network traffic.

19. What are the advantages and disadvantages of using a dynamic routing protocol?

Dynamic routing adapts to network changes but may consume more bandwidth.

Dynamic routing is static and less prone to errors.

Dynamic routing is slower in adapting to network changes.

Dynamic routing is only suitable for small networks.

20. Explain the concept of a VRF (Virtual Routing and Forwarding) in networking.

VRF is a virtual router used for network simulation.

VRF allows multiple virtual networks to coexist on the same physical infrastructure.

VRF is a type of firewall for securing network traffic.

VRF is a routing protocol used exclusively in IPv4 networks.

21. What is the purpose of the DiffServ (Differentiated Services) field in IP headers?

To define network encryption standards

To manage network traffic within a local area network

To prioritize and differentiate types of network traffic

To facilitate routing between autonomous systems

22. Explain the concept of a man-in-the-middle attack in the context of network security.

A man-in-the-middle attack is a method for enhancing network speed.

A man-in-the-middle attack involves intercepting and manipulating communication between two parties.

A man-in-the-middle attack is a form of network encryption.

A man-in-the-middle attack is only relevant in wireless networks.

23. What is the purpose of a router in a network?

To connect devices within the same network

To filter incoming network traffic

To convert digital data to analog signals

To provide power to network devices

24. What is the purpose of the OSI model's physical layer?

To provide network security

To define internet protocols

To facilitate communication between different systems

To manage the transmission of raw binary data

25. What is the purpose of ARP (Address Resolution Protocol) in networking?

To find the physical address (MAC address) of a device based on its IP address

To route packets between different networks

To encrypt data for secure transmission

To compress data for efficient storage

26. In networking, what is the purpose of a firewall?

To enhance Wi-Fi signal strength

To prevent unauthorized access and protect against cyber threats

To synchronize clocks across network devices

To regulate network traffic flow

27. What is the purpose of ICMP in networking?

To control internet traffic

To manage network configuration

To diagnose network issues

To encrypt data transmission

28. What is the purpose of the TCP protocol in networking?

To provide network security

To manage network configurations

To facilitate reliable data transmission

To define internet protocols

29. What does the term 'latency' refer to in networking?

The time it takes for data to travel from source to destination

The size of data packets

The strength of a network signal

The frequency of network updates

30. Explain the concept of subnetting in detail and its role in IP addressing.

Subnetting divides a network into smaller sub-networks for better security.

Subnetting is the process of dividing an IP address into network and host portions.

Subnetting is only applicable in IPv6 networks.

Subnetting helps in assigning multiple IP addresses to a single device.

Computer Network Basics MCQ Test 3