protocols

Question 1

ARP

Answer 1

Address Resolution Protocol
Resolve IP address to MAC

Question 2

TCP

Answer 2

Transmission Control Protocol
Connection-oriented network communication

Question 3

UDP

Answer 3

User Datagram Protocol
Connectionless network communication

Question 4

Telnet

Answer 4

23/tcp
Telecommunication Network
Remote console login to network devices

Question 5

SSH

Answer 5

22/tcp
Secure Shell
Encrypted Console Login

Question 6

DNS

Answer 6

53/tcp 53/udp
Domain Name Server
Convert domain names to IP addresses

Question 7

SMTP

Answer 7

25/tcp
Simple Mail Transfer Protocol
Transfer email between mail servers

Question 8

POP3

Answer 8

110/tcp
Post Office Protocol version 3
Receive mail into a mail client

Question 9

IMAP4

Answer 9

143/tcp
Internet Message Access Protocol v4
A newer mail client protocol

Question 10

SFTP

Answer 10

22/tcp
Secure File Transfer Protocol
Encrypted file transfer using SSH

Question 11

FTP

Answer 11

20/tcp 21/tcp
File Transfer Protocol
Sends and receives files between systems

Question 12

TFTP

Answer 12

69/udp
Trivial File Transfer Protocol
A very simple file transfer application

Question 13

DHCP

Answer 13

67/udp 68/udp
Dynamic Host Configuration Protocol
Update to BOOTP

Question 14

HTTP

Answer 14

80/tcp
Hypertext Transfer Protocol
Web server communication

Question 15

HTTPS

Answer 15

443/tcp
Hypertext Transfer Protocol Secure
Web server communication with encryption

Question 16

SNMP

Answer 16

161/udp
Simple Network Management Protocol
Gather statistics and manage network devices

Question 17

Syslog

Answer 17

514/udp
System logging
A standard for message logging

Question 18

RDP

Answer 18

3389/tcp
Remote Desktop Protocol
Graphical display of remote device

Question 19

NTP

Answer 19

123/udp
Network Time Protocol
Automatically synchronize clocks

Question 20

SIP

Answer 20

5060-5061/tcp
Session Initiation Protocol
Voice over IP signaling protocol

Question 20

SMB

Answer 20

445/tcp
Server Message Block
File and printer sharing for Windows

Question 21

LDAP

Answer 21

389/tcp
Lightweight Directory Access Protocol
Directory services

Question 22

LDAPS

Answer 22

636/tcp
Lightweight Directory Access Protocol Secure
Directory services over SSL/TLS

Question 23

MS-SQL

Answer 23

1433/tcp
Microsoft SQL Server
Microsoft’s structured query language database

Question 24

SQL *NET

Answer 24

1521/tcp
Oracle SQL *NET
Oracle SQL services

Question 25

MySQL

Answer 25

3306/tcp
MySQL Server
Oracle’s open-source SQL services

Question 26

IMAP SSL

Answer 26

993
Secure Receiving of Emails

Question 27

POP3 SSL

Answer 27

993
Secure Receiving of Emails