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

1. What is a subnet mask used for?

To encrypt network traffic

To define the network's physical layout

To divide an IP address into network and host portions

To establish a connection between two networks

2. 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.

3. Which protocol is commonly used for secure communication over the internet?

FTP

HTTP

SSH

SMTP

4. 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.

5. What is the purpose of the RADIUS protocol in network security?

To facilitate routing between autonomous systems

To manage network traffic within a local area network

To define network encryption standards

To provide centralized authentication and authorization for network access

6. 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

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

Dynamic Network Server

Domain Name System

Data Network Security

Digital Network Service

8. What does the term 'bandwidth' refer to in networking?

The speed of data transmission

The physical size of a network

The number of devices in a network

The network's security level

9. What does DNS stand for in the context of computer networks?

Dynamic Network System

Domain Name System

Data Networking Service

Digital Network Security

10. What is the significance of a DHCP server in networking?

To manage network configurations dynamically

To regulate internet speed

To secure network protocols

To control access to network resources

11. 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

12. Explain the purpose of the TACACS+ protocol in network security.

TACACS+ is a hardware device for network simulation.

TACACS+ is a virtual router used for defining network topologies.

TACACS+ is used for secure communication over the internet.

TACACS+ provides centralized authentication, authorization, and accounting for network access.

13. 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.

14. Explain the concept of SD-WAN (Software-Defined Wide Area Network) and its advantages.

SD-WAN is a protocol for secure communication.

SD-WAN is a method for enhancing network speed.

SD-WAN allows centralized control of wide area network devices through software applications.

SD-WAN is a technology that simplifies the management and operation of a wide area network.

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

Internet Protocol

Internal Processing

Intranet Port

Information Processing

16. Explain the role of MPLS (Multiprotocol Label Switching) in modern networks.

MPLS is used for securing wireless networks.

MPLS is a protocol for routing IP traffic efficiently in large-scale networks.

MPLS is designed for managing network devices.

MPLS is primarily used for defining network topologies.

17. 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

18. 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.

19. What is the significance of the BGP protocol in large-scale networks?

To secure network connections

To define network encryption standards

To facilitate routing between autonomous systems

To manage network traffic within a local area network

20. 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.

21. 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

22. What is the significance of the GRE (Generic Routing Encapsulation) protocol in networking?

GRE is used for secure communication over the internet.

GRE is a protocol for network encryption.

GRE is designed for managing network devices.

GRE is used for creating private point-to-point connections in IP networks.

23. 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

24. Which network device operates at the Data Link layer of the OSI model?

Router

Hub

Switch

Bridge

25. What is the primary purpose of the OSI model in computer networking?

To standardize computer network hardware

To define the order of operations in software development

To provide a conceptual framework for understanding network interactions

To regulate internet traffic

26. 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

27. What is the purpose of the ARP protocol in networking?

To address resolution of IP addresses to MAC addresses

To secure network connections

To manage network resources

To define network topologies

28. What is the purpose of NAT in networking?

To translate network addresses

To enhance network security

To manage network protocols

To store network files

29. What is the function of a gateway in a network?

To control access to a network

To translate between different network protocols

To provide wireless connectivity

To allocate IP addresses dynamically

30. Explain the concept of Anycast addressing in IP networks.

Anycast addressing is a method for dynamic IP allocation.

Anycast addressing allows multiple devices to share the same IP address.

Anycast addressing is a protocol for secure communication.

Anycast addressing directs data packets to the nearest of several replica servers.

31. What is the function of a network gateway?

To control access to a network

To translate between different network protocols

To provide wireless connectivity

To allocate IP addresses dynamically

32. 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.

33. What does NAT stand for in networking?

Network Address Translation

National Association of Technicians

Network Authentication Token

Node Access Technology

34. What is the purpose of the OSI model's session layer in networking?

To define internet protocols

To manage network configurations

To facilitate communication between different systems

To establish, maintain, and terminate sessions

35. Explain the concept of Q-in-Q tunneling in Ethernet networks.

Q-in-Q tunneling is a security protocol for wireless networks.

Q-in-Q tunneling is a method for transporting VLAN traffic over an Ethernet network.

Q-in-Q tunneling is only applicable in IPv6 networks.

Q-in-Q tunneling is used for defining network topologies.

36. What is a VLAN?

A virtual local area network

A virus protection software

A type of network cable

A network monitoring tool

37. Explain the concept of a network tap and its role in network monitoring.

A network tap is a type of routing protocol.

A network tap is a hardware device that captures and monitors network traffic.

A network tap is a method for defining network topologies.

A network tap is a virtual router used for network simulation.

38. 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

39. 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

40. What is the role of DNS caching in networking?

To improve internet speed

To secure network data

To manage network traffic

To resolve domain names more efficiently

Computer Network Basics MCQ Test 2