Networking

Question 1

Network

Answer 1

The Internet is just an interconnection of computers around the world,

Question 2

The Internet

Answer 2

the physical connection of computers and wires around the world.composed of a massive network of satellites, cellular networks, and physical cables buried beneath the ground.

Question 3

In an IT field, managing, building, and designing networks is known as

Answer 3

networking

Question 4

The Web

Answer 4

is the information on the Internet

Question 5

servers

Answer 5

(We don’t actually connect to the Internet directly)computers called servers connect directly to the Internet. Servers store the websites that we use, like Wikipedia, Google, Reddit, and BBC

Question 6

Clients

Answer 6

machines that we use, like our mobile phones, laptops, video game, consoles and more. Request the content in a website exp.like pictures, websites, from the servers. Clients dont contect to interent directly.

Question 7

Internet service provider (ISP)

Answer 7

CenturyLink, Level 3, Comcast, Telefonica,. Clients connect to network run by ISP and dont connect directly to the internect.already built netowkrs and run all the neces. cabling to conct. millions of computers in one network. also connect other networks and other ISPs networks like google,reddit, and universities

Question 8

IP address

Answer 8

Computers on a network have an identifier .IP address is composed of digits and numbers like 100.1.4.3.

Question 9

MAC address

Answer 9

generally permanent and hard-coded onto a device.When you send or receive data through a network, you need to have both an IP and a MAC address. exp. IP address is your house address, while the MAC address is the name of this recipient of the letter.

Question 10

packets

Answer 10

data that is sent through a network

Question 11

Ethernet cable (connecting to network)

Answer 11

physically connect to the network through a cable.

Question 12

Wi-Fi (connecting to network)

Answer 12

wireless networking.

Question 13

fiber optic cables (connecting to network)

Answer 13

most expensive method since fiber optic cables allow greater speeds than all the other methods. cables contain glass fibers that move data through light instead of electricity

Question 14

router

Answer 14

connects lots of different devices together and helps route network traffic

Question 15

network stack

Answer 15

A technologies stack, in this case a network stack is just a set of hardware or software that provides the infrastructure for a computer.

Question 16

network protocols

Answer 16

set of rules for how we transfer data in a network

Question 17

Transmission Control Protocol (TCP)

Answer 17

protocol that handles reliable delivery of information from one network to another

Question 18

Internet Protocol (IP)

Answer 18

responsible for delivering our packets to the right computers

Question 19

Internet Protocol

Answer 19

helps us route information

Question 20

Web

Answer 20

All websites can be accessed through the Web. audio and video

Question 21

Websites

Answer 21

Websites are basically text documents that we format with HTML, or hypertext markup language. website contain multimedia content like text, images,

Question 22

URL

Answer 22

Uniform Resource Locator

Question 23

critical web protocol, Domain Name System, or DNS

Answer 23

DNS acts like our Internet’s directory and lets us use human readable words to map to an IP address

Question 24

current Protocol, Internet Protocol version four or IPv4 (IP addresses)

Answer 24

There are differnt versions of IP address. is an address that consists of 32 bits separated into four groups

Question 25

IPv6 addresses

Answer 25

IPv6 addresses consist of a 128 bits, four times the amount that IPv4 uses.IPv6 there are 2 to the 128 power possible IP addresses

Question 26

NAT or Network Address Translation.

Answer 26

Another mitigation tool that lets organizations use one public IP address and many private IP addresses within the network.

Question 27

router

Answer 27

main purpose of a router is to connect multiple networks and forward packets destined either for its own networks or other networks