hardware devices

Question 1

What device connects multiple devices on a local area network (LAN)?

Answer 1

Switch

Question 2

True or False: A router operates at the data link layer of the OSI model.

Answer 2

False

Question 3

Fill in the blank: A __________ is used to connect two or more networks and route traffic between them.

Answer 3

Router

Question 4

What is the primary function of a modem?

Answer 4

To modulate and demodulate signals for internet connectivity.

Question 5

Which device amplifies and rebroadcasts a wireless signal?

Answer 5

Wireless Access Point (WAP)

Question 6

Choose the correct option: A __________ connects different networks and manages traffic between them.

Answer 6

Router

Question 7

True or False: A hub is more efficient than a switch.

Answer 7

False

Question 8

What type of cable is commonly used for Ethernet connections?

Answer 8

Cat5e, Cat6, or Cat6a cable

Question 9

What does a network interface card (NIC) do?

Answer 9

It allows a device to connect to a network.

Question 10

Fill in the blank: A __________ is a device that forwards data packets between computer networks.

Answer 10

Router

Question 11

Which device is used to connect devices in a wired network?

Answer 11

Switch

Question 12

What is the main difference between a hub and a switch?

Answer 12

A hub broadcasts data to all ports, while a switch sends data only to the specific port for the intended device.

Question 13

True or False: A bridge is used to connect different types of networks.

Answer 13

False

Question 14

What is the purpose of a firewall?

Answer 14

To protect a network by controlling incoming and outgoing traffic based on predetermined security rules.

Question 15

What does DHCP stand for?

Answer 15

Dynamic Host Configuration Protocol

Question 16

Which device is responsible for assigning IP addresses in a network?

Answer 16

DHCP Server

Question 17

True or False: A repeater regenerates and amplifies signals to extend the range of a network.

Answer 17

True

Question 18

What type of network device is used to create a virtual LAN?

Answer 18

Switch

Question 19

Fill in the blank: A __________ is often used to connect remote users to a private network over the internet.

Answer 19

VPN (Virtual Private Network)

Question 20

What does NAT stand for?

Answer 20

Network Address Translation

Question 21

Which device can provide both wired and wireless connectivity?

Answer 21

Wireless Router

Question 22

What is the purpose of a load balancer?

Answer 22

To distribute network or application traffic across multiple servers.

Question 23

True or False: A network switch operates at the application layer of the OSI model.

Answer 23

False

Question 24

What type of device is used to connect different network segments and reduce collision domains?

Answer 24

Switch

Question 25

Fill in the blank: A __________ connects devices on a network and uses MAC addresses to forward data.

Answer 25

Switch

Question 26

What is the role of a proxy server?

Answer 26

To act as an intermediary for requests from clients seeking resources from other servers.

Question 27

What type of network device is primarily used for wireless connections?

Answer 27

Access Point

Question 28

An older, less efficient device that broadcasts data to all ports

Answer 28

Hub

Question 29

Hardware component that allows a device to connect to a network

Answer 29

NIC Network Interface Card

Question 30

Can a NIC be built into a motherboard

Answer 30

Yes

Question 31

Device that connects devices on a network and uses MAC addresses to forward data only to the intended recipient

Answer 31

Switch

Question 32

Device that routes data between different networks, typically using IP addresses

Answer 32

Router

Question 33

Essential for connecting local networks to the internet or other networks

Answer 33

Routers

Question 34

Provides wireless connectivity to a wired network, allowing devices to connect without cables

Answer 34

Wireless Access Point (WAP)

Question 35

Connects two network segments and forwards traffic between them based on MAC addresses

Answer 35

Bridge

Question 36

Converts digital data from a computer into a form suitable for transmission

Answer 36

Modem

Question 37

Security device that monitors and controls incoming and outgoing network traffic

Answer 37

Firewall

Question 38

A passive device used in structured cabling to organize and connect network cables

Answer 38

Patch Panel

Question 39

Provides power and data over Ethernet cables, commonly used for devices like IP cameras and wireless access points

Answer 39

Power over Ethernet (PoE) Injector/Switch

Question 40

Legacy Device that connects networks together - communicates at 10/100Mbit/s

Answer 40

Hub

Question 41

Enables you to communicate from one subnet to another

Answer 41

Router

Question 42

Similar to a modem but used for fiber optic technology, converting optical to electrical

Answer 42

Optical Network Technology

Question 43

802.3af standard (POE)

Answer 43

12.95 watts of power to the power device

Question 44

802.3at standard (POE+)

Answer 44

25.5 watts of power to the power device

Question 45

802.3bt standard (POE++)

Answer 45

51 watts of power to the power device

Question 46

(POE++) Type 4

Answer 46

71.3 watts of power to the power device

Question 47

POE standard for static surveillance cameras, VoIP phones

Answer 47

POE (12.95 W)

Question 48

POE standard for PTZ cameras, alarm systems

Answer 48

POE+ (25.5 W)

Question 49

POE standard for video conferencing equipment, advanced wireless access points

Answer 49

POE++ Type 3 (51 W)

Question 50

POE standard for laptops, screen

Answer 50

POE++ Type 4 (71.3 W)

Question 51

using software‑based controllers and APIs to communicate with the underlying hardware

Answer 51

Software‑defined networking (SDN)

Question 52

allows you to control the entire network via a single pane of glass, and more importantly, control hardware from multiple vendors from a central console

Answer 52

Software‑defined networking (SDN)