Networking Protocols 1.4

Question 1

ICMP

Answer 1

Communication between devices to “check in”, troubleshooting

Question 2

TCP

Answer 2

Connection orientation, handshake for sending and receiving

Question 3

UDP

Answer 3

Connectionless, “fire and forget”

Question 4

GRE

Answer 4

Generic Routing Encapsulation
Encapsulate (not encrypt) traffic inside of IP

Question 5

IPSec

Answer 5

Internet Protocol Security
Authentication, encryption, integrity, and anti-replay for every packet

Question 6

AH

Answer 6

Authentication Header

Question 7

IKE

Answer 7

Internet Key Exchange
Both sides of network agree on encryption/decryption keys, making a Security Association

Question 8

ESP

Answer 8

Encapsulation Security Payload
Encrypts packet

Question 9

AH

Answer 9

Authentication Header
Hash of packet and shared key

Question 10

Unicast

Answer 10

One station sending packet directly to another without any inbetween
One-to-one

Question 11

Multicast

Answer 11

One station sending packet to multiple clients directly
One-to-many

Question 12

Anycast

Answer 12

One station sending packet to one of many clients, like unicast
One-to-one-of-many

Question 13

Broadcast

Answer 13

One station sending packet to all clients within a network
One-to-all