TCP & UDP Ports

Question 1

Which port enables FTP’s data connection for sending file data?

Answer 1

TCP port 20

Question 2

The FTPs control connection for administering a session is established through

Answer 2

TCP port 21

Question 3

SSH protocol runs on

Answer 3

TCP port 22

Question 4

Which of the TCP ports listed below is used by Telnet

Answer 4

23

Question 5

TCP port 25 is used by

Answer 5

SMTP

Question 6

Which of the following ports is assigned to the domain name system?

Answer 6

53

Question 7

Dynamic host configuration protocol runs on : 2 answers

Answer 7

UDP port 67
UDP port 68

Question 8

TCP port 80 is assigned to

Answer 8

Hypertext transfer protocol (HTTP)

Question 9

Post office protocol v3 (POP3) uses

Answer 9

TCP port 110

Question 10

Which of the port numbers listed below are reserved for NetBIOS services? 3 answers

Answer 10

137
138
139

Question 11

Which of the following TCP ports is used by the internet message access protocol (IMAP)

Answer 11

143

Question 12

An SNMP management station receives SNMP notifications from agents on UDP port :

Answer 12

162

Question 13

An SNMP agent receives requests on UDP port

Answer 13

161

Question 14

TCP port 389 is the default network port for

Answer 14

LDAP

Question 15

Which of the following ports is used by HTTPS?

Answer 15

TCP port 443

Question 16

Which of the following protocols runs on TCP port 445?

Answer 16

SMB/CIFS

Question 17

A network technician uses Remote Desktop protocol client on their windows OS to remotely troubleshoot a problem on another windows machine. Which of the filling ports needs to be opened for the built in windows RDP server to allow this type of network connection?

Answer 17

TCP port 3389

Question 18

IMAP secure encryption protocol number

Answer 18

993

Question 19

POP3S secure encryption protocol number

Answer 19

995

Question 20

SMTPS secure encryption protocol number

Answer 20

465 or 587