Protocols and their function

Question 1

FTP

Answer 1

Used for the transfer of computer files from a server to a client on a computer network

Question 2

SSH

Answer 2

Operating network services securely over an unsecured network

Question 3

SFTP

Answer 3

Uses secure shell encryption to provide a high level of security for sending and receiving file transfers

Question 4

Telnet

Answer 4

Provides a command line interface for communication with a remote device or server

Question 5

SMTP

Answer 5

Used by mail servers to send, receive, and relay outgoing email between senders and receivers

Question 6

DNS

Answer 6

Helps Internet users and network devices discover websites using human-readable host-names, instead of numeric IP addresses

Question 7

DHCP

Answer 7

Provides an Internet Protocol (IP) host with its IP address and other related configuration information such as the subnet mask and default gateway

Question 8

TFTP

Answer 8

Allows a client to get a file from or put a file onto a remote host

Question 9

HTTP

Answer 9

An application layer protocol designed to transfer information between networked devices and runs on top of other layers of the network protocol stack

Question 10

POP3

Answer 10

An application-layer Internet standard protocol used by e-mail clients to retrieve e-mail from a mail server

Question 11

NTP

Answer 11

Allows the synchronization of system clocks (from desktops to servers)

Question 12

IMAP

Answer 12

Used by email clients to retrieve email messages from a mail server over a TCP/IP connection

Question 13

SNMP

Answer 13

Used to monitor and manage network devices connected over an IP address.

Question 14

LDAP

Answer 14

Used to lookup information or devices within a network

Question 15

HTTPS

Answer 15

An extension of the Hypertext Transfer Protocol. It uses encryption for secure communication over a computer network

Question 16

SSL

Answer 16

A security protocol that provides privacy, authentication, and integrity to Internet communications

Question 17

TLS

Answer 17

Facilitate privacy and data security for communications over the Internet. Upgraded version of SSL

Question 18

SMB

Answer 18

Used for sharing access to files, printers, serial ports and other resources on a network

Question 19

Syslog

Answer 19

Computer systems use to send event data logs to a central location for storage

Question 20

SMTP TLS

Answer 20

Used by mail servers to send, receive, and relay outgoing email between senders and receivers using TLS to secure the data

Question 21

LDAPS

Answer 21

Uses TLS/SSL to lookup information or devices within a network

Question 22

IMAP over SSL

Answer 22

Used by email clients to retrieve email messages from a mail server over a TCP/IP connection using SSL to secure the information

Question 23

POP3 over SSL

Answer 23

An application-layer Internet standard protocol used by e-mail clients to retrieve e-mail from a mail server securely using SSL

Question 24

SQL Server

Answer 24

Supports client communication with the TCP/IP network protocol and the named pipes protocol (Microsoft)

Question 25

SQLnet

Answer 25

Used by Oracle SQL servers to execute SQL commands from clients, including load balancing and application-specific services

Question 26

MySQL

Answer 26

Facilitates communication between a MySQL client and a MySQL server. It is designed to enable the transmission of SQL queries and the reception of query results between the two parties

Question 27

RDP

Answer 27

Provides a user with a graphical interface to connect to another computer over a network connection

Question 28

SIP

Answer 28

Enables the Voice Over Internet Protocol (VoIP) by defining the messages sent between endpoints and managing the actual elements of a call