Network Protocols

Question 1

IP

Answer 1

Internet Protocol | 3360 | (used to establish communication over the network)

Question 2

DNS

Answer 2

Domain Name Service | UDP | port 53 | TCP 53 | zone | (translates Domain names to IP addresses, and vice versa)

Question 3

DHCP

Answer 3

Dynamic Host Configuration Protocol | port 67 | allocates IP addresses to new computers that join network

Question 4

HTTP

Answer 4

Hypertext Transfer Protocol | port 80 | transfer text-based data over internet

Question 5

HTTPS

Answer 5

secure implementation of HTTP | port 443

Question 6

FTP

Answer 6

File transfer protocol | file transfer 20/21

Question 7

SMTP

Answer 7

Simple Mail Transfer | port 25 historically, 586 modern

Question 8

SSH

Answer 8

Secure Shell | port 22 | allows users to run remote commands on a remote machine. Any data is encrypted!

Question 9

ICMP

Answer 9

Internet Control Message Protocol (used to generate message errors when IP packets do not reach where they go