LO3 - Network Protocols:

Question 1

What are the four layers of the TCP / IP Stack?

Answer 1

1) Application,
2) Transport,
3) Internet,
4) Network Interface.

Question 2

What is the Application layer?

Answer 2

The application layer provides the user with the services needed to create messages that can be sent across the internet using a variety of protocols.

Question 3

What is the Transport layer?

Answer 3

The transport layer breaks the message up into data packets and labels them to be sent to other computers across the internet.

Question 4

What is the Internet layer?

Answer 4

The internet layer delivers the messages / data packets based on an address that is attached to each packet.

Question 5

What is the Network Interface layer?

Answer 5

The network interface layer provides the physical connection so that packets of data can be transferred from the network to another interface.

Question 6

What protocols could be used in the Application layer?

Answer 6

1) HTTP,
2) FTP,
3) POP,
4) IMAP,
5) SMTP,
6) SNMP.

Question 7

What protocols are used in the Transport layer?

Answer 7

1) TCP,

2) UDP.

Question 8

What protocols are used in the Internet layer?

Answer 8

1) IP,

2) ICMP.

Question 9

What protocols are used in the Network Interface layer?

Answer 9

1) MAC,

2) Ethernet.

Question 10

What does HTTP stand for?

Answer 10

Hyper Text Transfer Protocol.

Question 11

What does FTP stand for?

Answer 11

File Transfer Protocol.

Question 12

What does POP stand for?

Answer 12

Post Office Protocol.

Question 13

What does IMAP stand for?

Answer 13

Internet Message Access Protocol.

Question 14

What does SMTP stand for?

Answer 14

Simple Mail Transfer Protocol.

Question 15

What does SNMP stand for?

Answer 15

Simple Network Management Protocol.

Question 16

What is FTP?

Answer 16

File Transfer Protocol. A process that involves the transfer of files between computers over a network.

Question 17

What is POP?

Answer 17

Post Office Protocol. A message update request protocol for transferring messages from an email server to an email client.

Question 18

What is IMAP?

Answer 18

Internet Message Access Protocol. An internet standard protocol used by email clients to retrieve email messages from a mail server over a TCP / IP connection.

Question 19

What does TCP stand for?

Answer 19

Transmission Control Protocol.

Question 20

What does UDP stand for?

Answer 20

User Datagram Protocol.

Question 21

What is TCP?

Answer 21

Transmission Control Protocol. Designed to send data packets across the internet and ensure the successful delivery of data and messages over a network.

Question 22

What is UDP?

Answer 22

User Datagram Protocol. Allows computer applications to send messages / datagrams to other hosts on an internet protocol network.

Question 23

What does IP stand for?

Answer 23

Internet Protocol.

Question 24

What does ICMP stand for?

Answer 24

Internet Control Message Protocol.

Question 25

What is IP?

Answer 25

Internet Protocol. A set of rules governing the format of data sent via the internet or local network.

Question 26

What is ICMP?

Answer 26

Internet Control Message Protocol. Used by networking devices to send error messages and operational information.

Question 27

What does MAC stand for?

Answer 27

Media Access Control.

Question 28

What is MAC?

Answer 28

Media Access Control. A unique ID assigned to every internet-connected machine that allows it to be identified when connected to a specific network.