Unit 3 - Module 1

Question 1

What is a network?

Answer 1

A group of connected devices

Question 2

What’s a Local Area Network? (LAN)

Answer 2

A network that spans a small area like an office building, school or a home.

Question 3

What is a Wide Area Network? (WAN)

Answer 3

A network that spans a large geographic area like a city, state, or country.

Question 4

What is a Hub?

Answer 4

A network device that broadcasts information to every device on the network.

Question 5

What is a switch?

Answer 5

A device that makes connections between specific devices on a network.

( Rather than broadcasts to every device on the network )

Question 6

What is a router?

Answer 6

A network device that connects multiple networks together.

Question 7

What is a Modem?

Answer 7

A device that connects your router to the internet and brings internet access to the LAN.

Question 8

What are Virtualization tools?

Answer 8

Pieces of software that perform network operations.

Question 9

What is Cloud Computing?

Answer 9

Remote servers, application, and network services that are hosted on the internet.

Question 10

What is Software as a service (SaaS)

Answer 10

Is a software suites operated by the CSP that a company can use remotely without hosting the software.

Question 11

What does CSP stand for?

Answer 11

Cloud Service Provider

ie - iCloud

Question 12

What is Infrastructure as a service (Iaas)?

Answer 12

Refers to the use of virtual computer components offered by the CSP.

Question 13

What is Platform as a service (PaaS) ?

Answer 13

Refers to tools that application developers can use to design custom applications for their company.

Question 14

What are the 3 benefits of Cloud computing and software-defined networks?

Answer 14

1) Reliability ( Employees can access data consistently with minimal effort )
2) Cost ( Cheaper )
3) Scalability ( Don’t have to buy physical upgrades )

Question 15

What is a Data packet?

Answer 15

A basic unit of information that travels from one device to another within a network.

Question 16

What is Bandwidth?

Answer 16

The amount of data a device receives every second.

Question 17

What is Speed?

Answer 17

The rate at which data packets are received or downloaded.

Question 18

What is Transmission Control Protocol? (TCP)

Answer 18

An internet communication protocol that allows two devices to form a connection and stream data.

Question 19

What is Internet Protocol? (IP)

Answer 19

Used for routing and addressing data packets as they travel between devices on a network.

Question 20

What is a Port?

Answer 20

Software-based location that organizes the sending and receiving of data between devices on a network.

Question 21

What does the TCP/IP model framework do?

Answer 21

Visualizes how data is organized and transmitted across the network.

Question 22

How many layers or there in the TCP/IP model? What are they?

Answer 22

1) 4 Layers

2)
Network access layer
Internet Layer
Transport Layer
Application Layer

Question 23

What is an Internet Protocol (IP) Address?

Answer 23

A unique string of characters that identifies the location of a device on the internet.

Question 24

What is a IPV 6 address? How many characters are there in it?

Answer 24

New IP address used since the population of the world grew.

There are 32 characters for a IPV 6 address.

Question 25

What’s a MAC address?

Answer 25

Unique identifier assigned to devices on a network.

ie) iPhone, printers, computers