Protocols

Question 1

FTP

Answer 1

File Transfer Protocol: Transfers files with a remote host (typically requires authentication of user credentials)

Question 2

SSH

Answer 2

Secure Shell: Securely connects to a remote host over an unsecured network

Question 3

SFTP

Answer 3

Secure FTP: Provides FTP file-transfer service over an SSH connection

Question 4

FTPS

Answer 4

FIP Secure: Provides FTP file-transfer service over Secure Sockets Layer (SSL) or the more secure Transport Layer Security (TLS)

Question 5

Telnet

Answer 5

Telnet: Used to connect to a remote host (typically via a terminal emulator)

Question 6

SMTP

Answer 6

Simple Mail Transfer Protocol: Used for sending e-mail

Question 7

SMTP over SSL/TSL

Answer 7

Simple Mail Transfer Protocol over Secure Sockets Layer or Transport Layer Security: Sends e-mail securely using SL or the more 587
secure TLS

Question 8

DNS

Answer 8

Domain Name System: Resolves domain names to corresponding IP addresses

Question 9

TFTP

Answer 9

Trivial File Transfer Protocol: Transfers files with a remote host (does not require authentication of user credentials)

Question 10

DHCP

Answer 10

Dynamic Host Configuration Protocol: Dynamically assigns IP address information (for example, IP address, subnet mask. DNS
server’s IP address, and default gateway’s IP address) to a network device

Question 11

HTTPS

Answer 11

Hypertext Transfer Protocol Secure: Secures HTTP transmission over an unsecured network using Secure Sockets Layer (SSL) or
the more secure option of Transport Layer Security (TLS)

Question 12

POP3

Answer 12

Post Office Protocol version 3: Retrieves e-mail from an e-mail server

Question 13

POP3 over SSL/TLS

Answer 13

Post Office Protocol version 3 over Secure Sockets Layer or Transport Layer Security: Retrieves e-mail from an e-mail server while
encrypting the e-mail in transit using SSL or the more secure option of TLS

Question 14

NTP

Answer 14

Network Time Protocol: Used by a network device to synchronize its clock with a time server (NTP server)

Question 15

IMAP

Answer 15

Internet Message Access Protocol version 4: Allows the viewing of e-mail on an e-mail server

Question 16

IMAP over SSL/TLS

Answer 16

Internet Message Access Protocol version 4 over Secure Sockets Layer or Transport Layer Security: Allows the viewing of e-mail
on an e-mail server while encrypting the e-mail in transit using SSL or the more secure option of TLS

Question 17

LDAP

Answer 17

Lightweight Directory Access Protocol: Provides directory services (for example, a user directory— including username.
password, e-mail, and phone number information) to network clients

Question 18

LDAP over SSL/TLS

Answer 18

Lightweight Directory Access Protocol over Secure Sockets Layer or Transport Layer Security: Secures directory services traffic
using SSL or the more secure option of TLS

Question 19

SNMP

Answer 19

Simple Network Management Protocol: Used to monitor, manage, and configure network devices. An SIMP agent receives requests
on port 161, and an SNMP agent sends traps on port 162

Question 20

RDP

Answer 20

Remote Desktop Protocol: A Microsoft protocol that allows a user to view and control the desktop of a remote computer

Question 21

SIP

Answer 21

Session Initiation Protocol: A signaling protocol used to setup, monitor, and teardown mutimedia calls (e.g. voice and video cals).
Port 5060 is commonly used for unencrypteypted calls, and port 5061 is commonly used to setup encrypted calls

Question 22

H.323

Answer 22

H.323: An ITU-T recommendation that can setup and teardown multimedia calls (e.g. voice and video calls)

Question 23

SMB

Answer 23

Server Message Block: Used primarily in Microsoft networks for sharing resources (e.g. file resources) between devices

Question 24

SQL server

Answer 24

Structured Query Language (SQL) Server: Used by Microsoft’s SQL Server Management Studio (SSMS) to manage Microsoft SAL
Servers in a network

Question 25

SQLnet

Answer 25

SQLnet: Used by Oracle’s Database Management System

Question 26

MySQL

Answer 26

MySQL: An open source relational database management system that uses TCP port 3306 to communicate with MySAL clients