1.3.3 and 1.3.4 - Networks and Web technologies

Question 1

What is a protocol?

Answer 1

A set of rules for communication across devices

Question 2

What is a standard?

Answer 2

A set of hardware that allow manufacturers to create products that are compatible with each other

Question 3

How many bits is IPV4?

Answer 3

32 bits

Question 4

What is IPV4 written in?

Answer 4

In decimals

Question 5

How many bits is IPV6?

Answer 5

128

Question 6

What is IPV6 written in?

Answer 6

Hexadecimal

Question 7

What does IPV6 allow the internet to do?

Answer 7

Grow as more resources are available

Question 8

Give 2 advantages of IPV6?

Answer 8

• More possibilities for IP addresses
• More unique IP addresses available

Question 9

What does a web server do?

Answer 9

Checks and then interprets a URL

Question 10

What are 3 advtantages of a network?

Answer 10

• Users can share files
• Users can communicate with people
• Users can access files from any computer on the network

Question 11

What are 3 disadvantages of a network?

Answer 11

• Increases security risk to data as malware and viruses spread very easily
• Computers may run slower if there is a lot of data travelling on a network

Question 12

What happens if we didn’t have standards?

Answer 12

Most devices wouldn’t be able to communicate with one another

Question 13

What does TCP stand for?

Answer 13

Transmission Control Protocol

Question 14

What is the purpose of the TCP?

Answer 14

Provides error-free transmission between two routers

Question 15

What does IP stand for?

Answer 15

Internet Protocol

Question 16

What is the purpose of the IP?

Answer 16

Routes packets across a WAN

Question 17

What deos UDP stand for?

Answer 17

User Datagram Protocol

Question 18

What is the purpose of the UDP?

Answer 18

Sends short messages using datagrams

Question 19

In the UDP, what is speed more important than?

Answer 19

Accuracy

Question 20

What does HTTP stand for?

Answer 20

Hypertext Transfer Protocol

Question 21

What is the purpose of the HTTP?

Answer 21

A way for a client to send and recieve requests and deliver HTML web pages

Question 22

What is the purpose of the HTTPS?

Answer 22

The same as HTTP expect it adds in encryption and authentication

Question 23

What does FTP stand for?

Answer 23

File Transfer Protocol

Question 24

What is the purpose of the FTP?

Answer 24

Used for sending files between computers

Question 25

What does POP stand for?

Answer 25

Post Office Protocol

Question 26

What is the purpose of the POP?

Answer 26

To retrieve emails from a mail server and transfer them to your device while removing them from the server in the process

Question 27

What does IMAP stand for?

Answer 27

Internet Message Access Protocol

Question 28

What is the purpose of the IMAP?

Answer 28

To keep emails on the mail server

Question 29

What does SMTP stand for?

Answer 29

Simple Mail Transfer Protocol

Question 30

What is the purpose of the SMTP?

Answer 30

To transfer outgoing emails between servers and from email clients to servers

Question 31

What are HTTP and HTTPS fundamental protocols of?

Answer 31

The WWW

Question 32

What does the UDP use?

Answer 32

A simple, connectionless transmission model

Question 33

What is a alternative to the TCP?

Answer 33

UDP

Question 34

What are 2 disadvantages of the UDP?

Answer 34

- Has no error checking - Less reliable than the TCP

Question 35

What is the FTP normally used on?

Answer 35

A WAN