Networking: Fundamentals

Question 1

Clients

Answer 1

A device that receives data from a server

Question 2

Domain name

Answer 2

A website name; the part of the URL following www.

Question 3

Domain Name System (DNS)

Answer 3

A global and highly distributed network service that resolves strings of letters, such as a website name, into an IP address

Question 4

Ethernet cable

Answer 4

It lets you physically connect to the network through a cable

Question 5

Fiber optic cable

Answer 5

Fiber optic cables contain individual optical fibers which are tiny tubes made of glass about the width of a human hair. Unliked copper, which uses electrical voltages, fiber cables uses pulses of light to represent the ones and zeros of the underlying data

Question 6

Hubs

Answer 6

Devices that serve as a central location through which data travels through

Question 7

Internet

Answer 7

A worldwide system of interconnected networks.

Question 8

Internet Corporation for Assigned Names and Numbers (ICANN)

Answer 8

where website names are registered

Question 9

Internet of Things (IoT)

Answer 9

The concept that more and more devices are connected to the internet in a smarter fashion such as smart thermostats that turn off the air conditioner when you leave and turn it on when you come back.

Question 10

Internet Protocol version 4 (IPv4)

Answer 10

An address that consists of 32 bits separated into four groups

Question 11

Internet Protocol version 6 (IPv6)

Answer 11

An address that consist of 128 bits, four times the amount that IPv4 uses

Question 12

Internet service provider (ISP)

Answer 12

A company that provides a consumer an internet connection

Question 13

IP address

Answer 13

A numerical label assigned to each device connected to a computer network that uses the internet protocol for communication

Question 14

MAC address

Answer 14

A globally unique identifier attached to an individual network interface. It’s a 48-bit number normally represented by six groupings of 2 hexadecimal numbers

Question 15

Network

Answer 15

The interconnection of computers

Question 15

Network Address Translation (NAT)

Answer 15

A mitigation tool that lets organizations use on public IP address and many private IP addresses within the network

Question 16

Networking

Answer 16

Managing, building and designing Networks

Question 17

Networking protocols

Answer 17

A set of rules for how we transfer data in a network

Question 18

Network stack

Answer 18

set of hardware or software that provides the infrastructure for a computer

Question 19

Router

Answer 19

A device that knows how to forward data between independent networks

Question 20

Server logs

Answer 20

Text files that contains recorded information about activities performed on a specific web server in a defined period of time

Question 21

Servers

Answer 21

Devices that provide data to other devices that request that data, also known as a client

Question 22

Switches

Answer 22

Devices that help our data travel

Question 23

Transmission Control Protocol (TCP)

Answer 23

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

Question 24

Uniform Resource Locator (URL)

Answer 24

a web address similar to a home address

Question 25

Wireless networking (Wi-Fi)

Answer 25

Networks you connect to through radios and antennas

Question 26

World Wide Web (WWW)

Answer 26

The information system that enables documents and other web resources to be accessed over the Internet.