Network Devices: Types, Functions, and Applications in Networking

Question 1

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

Accepted Answer

Examining and directing data packets based on their network addresses

Answer

Connecting devices physically within a network

Answer

Storing and maintaining network configuration information

Answer

Translating network protocols between different devices

Question 2

Which network device operates at Layer 3 of the OSI model and manages the routing of packets in a network?

Accepted Answer

Router

Answer

Switch

Answer

Hub

Answer

Gateway

Question 3

Which network device functions solely as a signal repeater, propagating data without any active processing or manipulation?

Accepted Answer

Hub

Answer

Switch

Answer

Router

Answer

Gateway

Question 4

A device that interconnects networks operating on different protocols, enabling communication between them, is known as a:

Accepted Answer

Gateway

Answer

Bridge

Answer

Router

Answer

Firewall

Question 5

Which type of network switch provides advanced management and configuration capabilities, allowing for more granular control and customization?

Accepted Answer

Managed switch

Answer

Unmanaged switch

Answer

Stackable switch

Answer

PoE switch

Question 6

A network device responsible for filtering and monitoring incoming and outgoing traffic based on a set of predefined rules is known as a:

Accepted Answer

Firewall

Answer

Switch

Answer

Router

Answer

IDS

Question 7

Which type of network cable is commonly used in Ethernet networks and consists of twisted pairs of copper wires?

Accepted Answer

Twisted pair cable

Answer

Coaxial cable

Answer

Fiber optic cable

Answer

Serial cable

Question 8

In a star network topology, devices are connected to:

Accepted Answer

A central hub

Answer

A central switch

Answer

A central router

Answer

Each other directly

Question 9

Which networking protocol operates at Layer 2 of the OSI model and is responsible for transmitting data frames across a network?

Accepted Answer

Ethernet

Answer

TCP/IP

Answer

HTTP

Answer

DNS

Question 10

A technique for connecting multiple switches together to create a single, larger logical switch, simplifying network management and increasing scalability, is known as:

Accepted Answer

Stacking

Answer

VLAN

Answer

Trunking

Answer

Spanning Tree Protocol

Question 11

A router's primary role in a network is to:

Accepted Answer

Connect multiple network segments

Answer

Filter network traffic

Answer

Amplify network signals

Answer

Provide wireless access to the network

Question 12

Which network device forwards data packets based on MAC addresses?

Accepted Answer

Switch

Answer

Router

Answer

Hub

Answer

Modem

Question 13

How do hubs differ from switches?

Accepted Answer

Hubs forward data to all ports, switches forward data to specific ports only

Answer

Switches forward data to all ports, hubs forward data to specific ports only

Answer

Hubs are faster than switches

Answer

Switches are more secure than hubs

Question 14

What is the primary purpose of a virtual LAN (VLAN)?

Accepted Answer

Creating multiple logical subnetworks within a single physical network

Answer

Improving network performance

Answer

Enhancing network security

Answer

Simplifying network management

Question 15

What is the primary difference between fiber optic cables and copper cables?

Accepted Answer

Fiber optic cables transmit data using light, while copper cables use electrical signals

Answer

Copper cables transmit data faster than fiber optic cables

Answer

Fiber optic cables are more susceptible to interference than copper cables

Answer

Copper cables are more cost-effective than fiber optic cables

Question 16

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

Accepted Answer

Gateways convert communication protocols, allowing networks with different protocols to communicate.

Answer

Gateways only work with networks that have the same topology.

Answer

Gateways are only used to connect two networks.

Answer

Networks with similar protocols don't need gateways to communicate.

Question 17

Which network device operates at the data link layer, using MAC addresses to forward data?

Accepted Answer

Switch

Answer

Router

Answer

Hub

Answer

Gateway

Question 18

Within a network, what is the primary function of a router?

Accepted Answer

Interconnecting networks and directing data packets based on their destination IP addresses.

Answer

Converting analog signals to digital signals for network transmission.

Answer

Managing access to shared network resources.

Answer

Amplifying electrical signals to increase network range.

Question 19

Which network device connects multiple networks and routes data?

Accepted Answer

Router

Answer

Hub

Answer

Switch

Question 20

What is the primary purpose of a switch in a network?

Accepted Answer

Connects devices within a single network segment

Answer

Converts analog signals to digital signals

Answer

Forwards packets between different networks

Answer

Provides a wireless connection between devices

Question 21

What is the fundamental difference between a router and a switch?

Accepted Answer

Routers operate at Layer 3 (network layer), while switches operate at Layer 2 (data link layer)

Answer

Routers are more expensive than switches

Answer

Switches can support a larger number of devices

Question 22

Which of the following devices is primarily used to connect two different types of networks?

Accepted Answer

Gateway

Answer

Modem

Answer

Switch

Answer

Router

Question 23

What is the main purpose of a MAC address assigned to a network device?

Accepted Answer

To uniquely identify the device on a network

Answer

To forward traffic between networks

Answer

To provide encryption for network traffic

Answer

To store the network configuration settings

Question 24

Which of the following is an advantage of using a network device with a managed switch?

Accepted Answer

Enhanced security features and remote management capabilities

Answer

Less maintenance required

Answer

Easier to install and configure

Answer

Lower cost of ownership

Question 25

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

Accepted Answer

To monitor and control incoming and outgoing network traffic based on predefined security rules

Answer

To connect devices within a network

Answer

To forward packets between networks

Answer

To provide a physical path for data transmission

Question 26

Which of the following protocols is commonly used to configure network devices remotely?

Accepted Answer

Telnet or SSH

Answer

SMTP

Answer

HTTP

Answer

FTP

Question 27

What is the key difference between a fiber optic cable and a copper cable in networking?

Accepted Answer

Fiber optic cables transmit data using light pulses, while copper cables transmit data using electrical signals

Answer

Fiber optic cables are more expensive than copper cables