Types of Networks: A Comprehensive Guide for IT Professionals

Question 1

Which network type is ideal for a dispersed workforce requiring remote access to company resources and collaboration?

Accepted Answer

Wide Area Network (WAN)

Answer

Local Area Network (LAN)

Answer

Personal Area Network (PAN)

Answer

Internet

Question 2

Which of the following characteristics does NOT apply to Local Area Networks (LANs)?

Accepted Answer

Transmission over leased lines

Answer

Limited geographical scope

Answer

High bandwidth

Answer

Typically connects devices within a building or campus

Question 3

Which of the following accurately describes a Wide Area Network (WAN)?

Accepted Answer

Interconnects multiple LANs across long distances

Answer

Exclusively utilizes fiber optic cables for data transmission

Answer

Covers a limited geographical area, such as a single room

Answer

Provides high-speed connectivity for devices in close proximity

Question 4

Which network topology connects all devices to each other directly, forming a single bus?

Accepted Answer

Bus

Answer

Ring

Answer

Star

Answer

Mesh

Question 5

What is a significant advantage of employing a star topology in a network?

Accepted Answer

Simplified troubleshooting due to centralized connections

Answer

Reduced cable usage compared to alternative topologies

Answer

Increased vulnerability to single points of failure

Answer

Lower overall cost than other topologies

Question 6

Which of the following is a key benefit of utilizing a fiber optic cable in a network?

Accepted Answer

High bandwidth and minimal signal loss

Answer

Resistance to electromagnetic interference

Answer

Low cost and ease of installation

Answer

Durability and extended lifespan

Question 7

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

Accepted Answer

Directing data packets between different networks

Answer

Connecting devices within a specific network segment

Answer

Providing wireless connectivity to devices

Answer

Managing network traffic and ensuring security

Question 8

Which network security protocol is responsible for encrypting data during transmission?

Accepted Answer

SSL

Answer

HTTP

Answer

FTP

Answer

TCP

Question 9

What is the purpose of a firewall in a network?

Accepted Answer

Monitoring and controlling network traffic based on predefined rules

Answer

Providing secure remote access to a network

Answer

Translating network addresses for communication between networks

Answer

Optimizing network performance by caching frequently accessed data

Question 10

What is the role of a domain name system (DNS) in a network?

Accepted Answer

Translates IP addresses into human-readable domain names

Answer

Routes data packets between different networks

Answer

Provides secure encryption for data transmission

Answer

Monitors and controls network traffic

Question 11

Define network topology and explain how it affects network performance and reliability.

Accepted Answer

Network topology determines the path that data takes through the network, which influences latency, bandwidth utilization, and overall network efficiency.

Answer

Network topology is the physical layout of network devices and has no impact on network performance or reliability.

Answer

A star topology is always more efficient and reliable than a bus topology.

Question 12

Which of the following is NOT a fundamental network component?

Accepted Answer

Software

Answer

Nodes

Answer

Connections

Answer

Data

Question 13

What is the primary benefit of using a WAN compared to a LAN?

Accepted Answer

Extended geographical coverage

Answer

Faster data transfer rates

Answer

Lower operational expenses

Question 14

Which advantage is offered by a hierarchical network design?

Accepted Answer

Enhanced scalability and simplified management

Answer

Reduced network latency

Answer

Improved data security

Question 15

What is the primary purpose of a network protocol?

Accepted Answer

Establish rules and procedures for data transmission

Answer

Provide data encryption for security

Answer

Manage network resources

Question 16

Which layer is NOT part of the TCP/IP model?

Accepted Answer

Data Link

Answer

Application

Answer

Transport

Question 17

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

Accepted Answer

Connecting different network segments

Answer

Providing network protection

Answer

Storing data

Question 18

Which network topology involves every node being directly connected to every other node?

Accepted Answer

Mesh Topology

Answer

Bus Topology

Answer

Star Topology

Answer

Ring Topology

Question 19

What is the primary advantage of using fiber optic cables over copper cables?

Accepted Answer

Higher bandwidth capacity

Answer

Lower cost

Answer

Greater durability

Question 20

Which type of network connects devices within a limited physical area, typically within a building or campus?

Accepted Answer

Local Area Network (LAN)

Answer

Metropolitan Area Network (MAN)

Answer

Campus Area Network (CAN)

Answer

Wide Area Network (WAN)

Question 21

Which type of network allows computers and networks worldwide to communicate, providing global connectivity?

Accepted Answer

Internet

Answer

Localnet

Answer

Extranet

Answer

Intranet

Question 22

Which advantage is associated with LANs?

Accepted Answer

High speed and reliability

Answer

Lower cost of implementation

Answer

Lower security risks

Answer

Wide geographical coverage

Question 23

Which disadvantage is associated with WANs?

Accepted Answer

Higher latency and lower bandwidth

Answer

Cost-effectiveness

Answer

Ease of installation and maintenance

Answer

High reliability

Question 24

Which network topology connects each device to a central node, resembling a star shape?

Accepted Answer

Star topology

Answer

Mesh topology

Answer

Bus topology

Answer

Ring topology

Question 25

Which type of network protocol uses a packet-switching method to transmit data over a network?

Accepted Answer

TCP/IP (Transmission Control Protocol/Internet Protocol)

Answer

OSI (Open Systems Interconnection) model

Answer

Ethernet

Question 26

Which network security technique involves encrypting data before transmitting it over a network?

Accepted Answer

Cryptography

Answer

Intrusion Detection System (IDS)

Answer

Firewall