Networking Hardware 2.2

Question 1

What is a NIC?

Answer 1

Network Interface Card, Provides an ethernet connection to the network

Question 2

What is a HUB?

Answer 2

Networking device that connects multiple devices on a local network. 4-48 rj45 ports, like the ports on modem

Question 3

What is Switches?

Answer 3

Smart hubs that remember all the ports that are connected to them. can transfer info between specific ports without info leaking out to the other ports

Question 4

What is an Unmanaged Switch?

Answer 4

Performs its functions without requiring a configuration. Works at a default configuration

Question 5

What is a Managed Switch?

Answer 5

Performs it’s functions like an unmanaged switch or can be configured manually

Question 6

What is a Wireless Access Point?

Answer 6

Device that allows wireless devices to connect to a wired network. Enables you to connect to connect your wireless devices into to wired realm, like WIFI

Question 7

What is a Router?

Answer 7

Router connects your network to another network and passes traffic between them.

Question 8

What is a Firewall?

Answer 8

Scans and blocks traffic that enters or leaves a network

Question 9

What is a patch pannel?

Answer 9

A patch panel is like a surge protector or power strip for Ethernet cables — it gives you a clean, central place to plug and manage them.

Question 10

Power Over Ethernet (PoE)

Answer 10

Supplies electrical power from a switch port over an ordinary data cable to a power device. Usually low-power network devices, think power cable that is rj45

Question 11

What is a Power Injector?

Answer 11

PoE that plugs into a wall outlet to get power

Question 12

What is a Cable Modem?

Answer 12

Device that translates coaxial cable signals into radio frequency waves

Question 13

What is a Digital Subscriber Line (DSL modem)?

Answer 13

Device that translates coaxial cable signals into phone lines

Question 14

Optical Network Terminal (ONT)

Answer 14

ONT (Optical Network Terminal) is the device that brings fiber internet into your home and converts it to a signal your devices can use

Question 15

What is SDN (Software-Defined Networking)?

Answer 15

Software-Defined Networking is a way to control a network using software instead of configuring each device manually.