Computer Networks 101: Dive into the Fundamentals

Question 1

Which network topology involves connecting each device to a central point, often referred to as a hub?

Accepted Answer

Star topology

Answer

Bus topology

Answer

Ring topology

Answer

Mesh topology

Question 2

In the context of internet communication, which protocol is employed to facilitate data transmission?

Accepted Answer

TCP/IP

Answer

HTTP

Answer

SMTP

Answer

FTP

Question 3

Which type of network is commonly used to connect devices within a limited geographical area, such as a home or office?

Accepted Answer

LAN

Answer

WAN

Answer

MAN

Answer

WLAN

Question 4

In the context of computer networks, which component is responsible for monitoring data flow and ensuring its integrity?

Accepted Answer

Firewall

Answer

Router

Answer

Switch

Answer

Server

Question 5

Which network application is primarily used for sending and receiving electronic mail (email)?

Accepted Answer

Email client

Answer

Web browser

Answer

Database management system

Answer

File transfer application

Question 6

In the context of data transmission, which medium utilizes electromagnetic waves to transmit data?

Accepted Answer

Wireless

Answer

Twisted pair cable

Answer

Coaxial cable

Answer

Optical fiber

Question 7

Which organization is recognized for its role in developing and managing internet standards?

Accepted Answer

ICANN

Answer

IEEE

Answer

ANSI

Answer

NIST

Question 8

In simple terms, what is the main purpose of a computer network?

Accepted Answer

To enable connectivity and communication between multiple devices

Answer

To store and retrieve vast amounts of data

Answer

To execute complex software programs efficiently

Answer

To manage individual user accounts and permissions

Question 9

Which of the following accurately describes the primary difference between a LAN (Local Area Network) and a WAN (Wide Area Network)?

Accepted Answer

LANs connect devices within a limited physical space, while WANs span larger geographical distances.

Answer

WANs connect devices within a limited physical space, while LANs span larger geographical distances.

Answer

LANs and WANs both operate within confined physical spaces.

Answer

LANs and WANs both span vast geographical distances.

Question 10

Which network topology involves arranging devices in a circular pattern, where each device is linked to its two adjacent devices?

Accepted Answer

Ring topology

Answer

Bus topology

Answer

Star topology

Answer

Mesh topology

Question 11

Which of the following protocols is primarily responsible for establishing and maintaining connections between computers, ensuring reliable data transmission?

Accepted Answer

Transmission Control Protocol (TCP)

Answer

User Datagram Protocol (UDP)

Answer

Hypertext Transfer Protocol (HTTP)

Answer

Domain Name System (DNS)

Question 12

In the context of computer networks, what is the primary function of a firewall?

Accepted Answer

To safeguard the network from unauthorized access and potential threats

Answer

To optimize network performance and ensure efficient data flow

Answer

To store and manage user data securely

Answer

To control and manage network traffic effectively

Question 13

What is the primary role of a MAC (Media Access Control) address in a network?

Accepted Answer

To uniquely identify a specific device connected to the network

Answer

To determine the best path for data packets to travel across the network

Answer

To store and protect user information and data

Answer

To provide security measures and protect the network from threats

Question 14

What is the main purpose of a network management system?

Accepted Answer

To monitor, manage, and control network devices and services proactively

Answer

To provide technical support to users experiencing network issues

Answer

To analyze network traffic patterns and identify areas for optimization

Answer

To implement and enforce network security measures and policies

Question 15

Which of the following is NOT a benefit of computer networks?

Accepted Answer

Isolated data and resources

Answer

Data sharing

Answer

Resource sharing

Answer

Hardware access control

Question 16

Which network topology connects all nodes to a central point?

Accepted Answer

Star

Answer

Bus

Answer

Ring

Answer

Mesh

Question 17

Which layer in the TCP/IP model is responsible for data transmission?

Accepted Answer

Transport Layer

Answer

Network Layer

Answer

Application Layer

Answer

Data Link Layer

Question 18

What is the primary function of a network interface card (NIC)?

Accepted Answer

Connects a computer to a network

Answer

Converts digital signals to analog signals

Answer

Stores network configuration information

Answer

Provides encryption and decryption services

Question 19

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

Accepted Answer

LANs connect devices within a limited physical space

Answer

LANs are larger than WANs

Answer

WANs are faster than LANs

Answer

WANs are used for personal use

Question 20

Which protocol is used to transfer files over the internet?

Accepted Answer

FTP

Answer

HTTP

Answer

SMTP

Answer

TCP

Question 21

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

Accepted Answer

To monitor and control network devices

Answer

To provide security to network resources

Answer

To manage user access to the network

Answer

To create network configurations

Question 22

What is a primary function of network management protocols like SNMP?

Accepted Answer

Monitor and manage network devices remotely

Answer

Facilitate data transmission between network hosts

Answer

Provide encryption and security for network communications

Answer

Translate domain names into corresponding IP addresses

Question 23

Which statement best describes the key difference between logical and physical network topologies?

Accepted Answer

Logical topologies are independent of the underlying physical infrastructure, while physical topologies heavily rely on it.

Answer

Logical topologies define the physical layout of the network, while physical topologies outline the logical connections between devices.

Answer

Physical topologies are responsible for data transmission, while logical topologies control data flow.

Answer

Logical topologies are invariably more efficient than physical topologies.

Question 24

Which network topology features a central hub or switch?

Accepted Answer

Star

Answer

Bus

Answer

Ring

Answer

Mesh

Question 25

What is the primary purpose of the Internet Protocol (IP)?

Accepted Answer

Assigning unique addresses to network devices

Answer

Establishing and managing network connections

Answer

Controlling data flow

Answer

Ensuring data reliability

Question 26

Which application layer protocol is utilized for web browsing?

Accepted Answer

HTTP

Answer

TCP

Answer

UDP

Answer

SMTP

Question 27

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

Accepted Answer

Connecting different segments of a network

Answer

Providing wireless connectivity

Answer

Managing network traffic

Answer

Storing and forwarding data

Question 28

Which characteristic is NOT associated with a peer-to-peer (P2P) network?

Accepted Answer

Hierarchical structure

Answer

Centralized network management

Answer

Distributed file storage

Answer

Absence of dedicated servers

Question 29

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

Accepted Answer

Preventing unauthorized access

Answer

Improving network performance

Answer

Detecting and blocking malware

Answer

Enabling wireless connectivity

Question 30

Which of the following is NOT an advantage of network virtualization?

Accepted Answer

Increased complexity

Answer

Enhanced resource utilization

Answer

Improved security

Answer

Reduced operating costs

Question 31

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

Accepted Answer

Providing reliable and ordered delivery of data

Answer

Establishing and maintaining network connections

Answer

Controlling data flow

Answer

Ensuring data security

Question 32

Precisely define a computer network.

Accepted Answer

An interconnected collection of computing devices

Answer

A virtual communication platform

Answer

A software system for data exchange

Answer

A network of scanners and printers

Question 33

Which network topology involves connecting all devices to a central hub?

Accepted Answer

Star topology

Answer

Bus topology

Answer

Ring topology

Answer

Mesh topology

Question 34

State the primary function of a network protocol.

Accepted Answer

Defining rules and formats for data transmission

Answer

Providing security measures for data

Answer

Managing network traffic and congestion

Answer

Optimizing network performance

Question 35

State the main purpose of a network server.

Accepted Answer

Providing resources to clients

Answer

Storing data and files

Answer

Controlling network access

Answer

Managing network security

Question 36

Describe the intended purpose of the OSI model framework.

Accepted Answer

Network communication and data transfer

Answer

Operating system design and management

Answer

Database modeling and representation

Answer

Software development and engineering

Question 37

In the OSI model, which layer is accountable for routing data packets?

Accepted Answer

Network layer

Answer

Transport layer

Answer

Session layer

Answer

Application layer

Question 38

Which of the following best defines a computer network?

Accepted Answer

A collection of devices connected to exchange data

Answer

A central server that provides access to multiple computers

Answer

A method of transferring files between computers

Answer

A software application that allows users to communicate

Question 39

Which network topology involves connecting all devices to a central hub?

Accepted Answer

Star

Answer

Bus

Answer

Ring

Answer

Mesh

Question 40

What is the main function of a network protocol?

Accepted Answer

To establish communication between devices

Answer

To route data through the network

Answer

To protect data from unauthorized access

Answer

To provide internet connectivity

Question 41

What is the purpose of a MAC address?

Accepted Answer

To uniquely identify a device on a network

Answer

To store the IP address of a device

Answer

To grant access to network resources

Answer

To route data packets to their destination

Question 42

How does network virtualization enhance network efficiency and adaptability?

Accepted Answer

Enables resource pooling and dynamic allocation based on demand

Answer

Guarantees higher bandwidth for each virtual network

Answer

Eliminates the need for physical network infrastructure

Question 43

Which network topology is known for its high fault tolerance and reliability?

Accepted Answer

Mesh Topology

Answer

Bus Topology

Answer

Star Topology

Answer

Ring Topology

Question 44

Which of the following factors does NOT have a direct impact on the performance of a computer network?

Accepted Answer

Age of the network interface cards (NICs)

Answer

Bandwidth

Answer

Latency

Answer

Network topology

Question 45

How do network protocols facilitate effective communication and data exchange among devices on a computer network?

Accepted Answer

Network protocols define rules for devices to communicate and exchange data.

Answer

Network protocols are only responsible for data exchange, not communication.

Answer

Network protocols are only used for wireless networks.

Answer

Network protocols are primarily for file sharing, not general communication.

Question 46

What is the fundamental purpose of a computer network?

Accepted Answer

To facilitate communication and resource sharing among connected devices.

Answer

To perform advanced scientific calculations.

Answer

To provide centralized data storage.

Question 47

Which of the following is NOT a valid network topology?

Accepted Answer

Linear

Answer

Bus

Answer

Star

Answer

Ring

Question 48

Which network protocol is responsible for addressing and routing data packets across a network?

Accepted Answer

IP (Internet Protocol)

Answer

UDP (User Datagram Protocol)

Answer

DHCP (Dynamic Host Configuration Protocol)

Answer

TCP (Transmission Control Protocol)

Question 49

Within the Open Systems Interconnection (OSI) model, which layer is responsible for ensuring reliable and error-free data transmission?

Accepted Answer

Transport Layer

Answer

Physical Layer

Answer

Data Link Layer

Question 50

Which advantage is associated with distributed networks?

Accepted Answer

Increased reliability due to redundancy and load balancing.

Answer

Reduced bandwidth consumption.

Answer

Lower implementation costs.

Question 51

Which of the following is NOT a primary function of a network interface card (NIC)?

Accepted Answer

Data storage

Answer

Converting digital signals to electrical signals

Answer

Controlling data flow

Answer

Providing network access

Question 52

Which of the following represents a common security threat in computer networks?

Accepted Answer

Malware (malicious software)

Answer

Hardware failures

Answer

Natural disasters

Answer

Power outages

Question 53

Which key characteristic defines a virtual private network (VPN)?

Accepted Answer

Providing secure and encrypted communication over a shared public network.

Answer

Restricting accessibility to a corporate intranet only.

Answer

Allowing remote server connections exclusively.