IP Protocol Types

Question 1

Internet Control Message Protocol (ICMP)

Answer 1

Used to communicate information about network connectivity issues back to the sender, Network level Sends the PING

Question 2

Transmission Control Protocol (TCP)

Answer 2

Uses the three way handshake between a client & a server and then establishes a connection using a concept called windowing syn to syn-ack to ack (connection-oriented)

Question 3

User Datagram Protocol (UDP)

Answer 3

Detects if packets are corrupted when they are received by a client using a checksum lightweight Connectionless sends information will never know if all is sent BEST used for streaming of video and audio over the internet

Question 4

Generic Routing Encapsulation (GRE)

Answer 4

Used as a simple and effective way to create a tunnel, called a GRE tunnel, over a public network. Sends the data over a public network by decapsulation & encapsulation of the data. NO ENCRYPTION

Question 5

Internet Protocol Security (IPSec)

Answer 5

Used to protect one or more data flows between peers (Can enable Data confidentiality, Data integrity, origin authentication, Anti-replay.)

Question 6

Authentication Header (AH)

Answer 6

A protocol within IPSec that provides integrity and authentication

Question 7

Authentication Header (AH)

Answer 7

A protocol within IPSec that provides integrity and authentication