701 ports

Question 1

FTP

Answer 1

20/21

Port 21 is the control port while port 20 is used to transfer files.

TCP

Question 2

SSH

Answer 2

22

Designed to transmit data through a remote connection

TCP

Question 3

SSH File Transfer Protocol

Answer 3

22

Completely separate from FTP that uses SSH to encrypt file transfers

TCP

Question 4

SMTP

Answer 4

25

Internet mail protocol used to send outgoing mail from clients to server

TCP

Question 5

TACACS+

Answer 5

49

Cisco proprietary protcol used for AAA (acronym!!) services

TCP

Question 6

DNS

Answer 6

53

Used to associate IP addresses with domain names

UDP

Question 7

DHCP

Answer 7

67/68

Network protocol used to assign private IPs from 1 public IPv4

UDP

Question 8

HTTP

Answer 8

80

Protocol used for websites and most internet traffic

TCP

Question 9

Kerberos

Answer 9

88

auth protocol that allows for coms over non secure network, mostly UDP

TCP/UDP

Question 10

POP

Answer 10

110

One way communication mail protocol between clients and servers

TCP

Question 11

NTP

Answer 11

123

Low latency protocol for time keeping

UDP

Question 12

SMB

old one

Answer 12

139

Windows protocol built on NetBIOS. Allows for server remote access (OLD)

UDP

Question 13

IMAP

Answer 13

143,993

Two way mail communication between servers and clients, unlike POP

TCP

Question 14

SNMP

Answer 14

161,162

Protocol used to monitor and manage devices on IP networks

UDP

Question 15

LDAP

Answer 15

389

Used to manage and communicate with directories

UDP

Question 16

HTTPS

Answer 16

443

Secure version to HTTP that uses TLS for encryption

TCP

Question 17

SSTP

Answer 17

443

Microsoft made to replace PPTP or L2TP/IPSec. (Uses TLS)

TCP

Question 18

SMB

new one

Answer 18

445

Windows protocol built on NetBIOS. Allows for server remote access (NEW)

TCP

Question 19

IPSec using ISAKMP

Answer 19

500

IP sec achieved using Internet Sec. Assoc. and Key Management Protocol

UDP

Question 20

SMTPS

Answer 20

587

Secure version of SMTP using TLS

TCP

Question 21

LDAP

secure

Answer 21

636

Secure version of LDAP that uses TLS for encryption

TCP

Question 22

FTPS

Answer 22

989/990

FTPS using TLS for encryption. Can run on 20/21 but sometimes on 989/990

TCP

Question 23

IMAPS

Answer 23

993

IMAP + TLS

FTP

Question 24

POP3S

Answer 24

995

POP + TLS

TCP

Question 25

RADIUS

Answer 25

1812,1813

Used to provide AAA (acronym!!) for network services

Question 26

RDP

Answer 26

3389

Windows remote connection to other computers

TCP

Question 27

Diameter

Answer 27

3868

Developed as an upgrade to RADIUS

TCP

Question 28

SRTP

Answer 28

5004

SRTP replaced RTP to stream A/V comms using UDP

UDP

Question 29

TCP

Answer 29

N/A

One of two main protocols of the Internet Protocol (IP) suite used to
transmit data over an IP network. TCP provides error checking to
ensure packets are not lost in transit.

Question 30

UDP

Answer 30

N/A

The second main protocol in the IP suite that transmits datagrams in a
best effort method. UDP does not include error checking.

Question 31

PPTP

Answer 31

1723

Based on PPP. Deprecated protocol for VPNs

TCP

Question 32

L2TP

Answer 32

1701

UDP

Used to create point to point connections, like VPNs over a UDP
connection. Needs IPSec for encryption. Designed as an extension to
PPTP. Operates at the data link layer but encapsulates packets at the
session layer.

Question 33

PPTP

Answer 33

1723

UDP

Based on PPP. Deprecated protocol for VPNs