Layer 7 Protocols

Question 1

Remote Desktop Protocol (RDP)

Answer 1

Allows you to remote and interact with a remote desktop/server

Question 2

RDP port

Answer 2

TCP 3389

Question 3

Telnet

Answer 3

Provides user a command prompt on a remote device

All communication is in clear text

Question 4

Telnet port

Answer 4

TCP 23

Question 5

Secure Shell (SSH)

Answer 5

Encrypted replacement for Telnet

Also known as Secure Socket shell

Question 6

SSH port

Answer 6

TCP 22

Question 7

Virtual Networking Computing (VNC)

Answer 7

Open source desktop sharing/remote control system

Server component of VNC is on the computer that you want to control

Client component of VNC runs on the computer you will use to make the connection

Question 8

VNC port

Answer 8

TCP 5900
TCP 5800 for web client

Question 9

Server Message Block (SMB)

Answer 9

Microsoft File and Print protocol

Used to access folders, drivers, and printers

Question 10

SMB port

Answer 10

TCP 445

Question 11

File Transfer Protocol (FTP)

Answer 11

All communication is in clear text

Question 12

FTP ports

Answer 12

Command port = TCP 21
Data port = TCP 20

Question 13

Secure File Transfer Protocol (SFTP)

Answer 13

Also called SSH File Transfer Protocol

Encrypts file tranfer

Question 14

SSH port

Answer 14

TCP port 22

Question 15

Trivial File Transfer Protocol (TFTP)

Answer 15

Simplified version of FTP

No authentication

All communication is in clear text

Question 16

Network File System (NFS)

Answer 16

File sharing protocol for Unix/Linux

Question 17

Hypertext Transfer Protocol (HTTP)

Answer 17

Used to carry web traffic

Transmissions are in clear text

Question 18

HTTP port

Answer 18

TCP 80

Question 19

Hypertext Transfer Protocol Secure (HTTPS)

Answer 19

HTTP over SSL

Question 20

HTTPS port

Answer 20

TCP 443

Question 21

Simple Mail Transfer Protocol (SMTP)

Answer 21

Mail transmission

Transmissions are in clear text

Question 22

SMTP port

Answer 22

TCP 587

Question 22

Post Office Protocol (POP3)

Answer 22

Retrieve email

Emails are downloaded locally and removed from the email server

Question 23

POP3 port

Answer 23

110
993 over SSL

Question 24

Internet Message Access Protocol (IMAP4)

Answer 24

Retrieve email Messages stay on email server

Question 24

IMAP4 port

Answer 24

TCP 143 993 over SSL

Question 25

Structured Query Language (SQL)

Answer 25

Language used to communicate with relational database

Question 26

SQL Server port

Answer 26

TCP 1433

Question 27

SQLnet port

Answer 27

TCP 1521

Question 28

MySQL port

Answer 28

TCP 3306

Question 29

Who provides MSSQL?

Answer 29

Microsoft

Question 30

Who provides SQLnet?

Answer 30

Oracle

Question 31

Who provides MySQL?

Answer 31

Open source

Question 32

Session Initiation Protocol (SIP)

Answer 32

Establishes, manages, and tears down VoIP calls and multimedia conferences

Question 33

SIP port

Answer 33

5060 - Unencrypted 5061 - Encrypted

Question 34

Syslog

Answer 34

Send system log or event messages to a server (syslog server)

Question 35

Syslog port

Answer 35

TCP 514

Question 36

Simple Network Management Protocol (SNMP)

Answer 36

Used to monitor and manage network-connected devices in an IP network

Question 37

Dynamic Host Configuration Protocol (DHCP)

Answer 37

Automated way to assign IP address to hosts on a network

Question 38

DHCP port

Answer 38

server port = UDP 67 client port = UDP 68

Question 39

DHCP scope

Answer 39

Set of configurations for a particular network segment Defined by IP range and subnet mask Contains the pool of addresses that can be leased to clients

Question 40

DHCP lease time

Answer 40

The length of time (in days or hours) that a client may use the IP address

Question 41

DHCP Exclusion range

Answer 41

IP addresses in a subnet range that are set aside for static configuration

Question 42

DHCP Relay

Answer 42

A hardware device or software program that can pass DHCP or BOOTP messages between DHCP clients and servers Necessary if the DHCP server is on a different subnet from its clients

Question 43

DHCP scope options

Answer 43

Address of default gateway Domain name to be used Address of the WINS server NetBIOS node type Lease times Reservations Exclusions