TCP/UDP Ports

Question 1

Which port enables the FTP’s Data Connection for sending file data?

Answer 1

TCP port 20

Question 2

The FTP’s 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 is used by Telnet?

Answer 4

TCP port 23

Question 5

TCP port 25 is used by?

Answer 5

SMTP

Question 6

Which port is assigned to the Domain Name System (DNS)?

Answer 6

TCP & UDP 53

Question 7

Dynamic Host Configuration Protocol (DHCP) runs on:

Answer 7

UDP port 67 and UDP port 68

Question 8

TCP port 80 is assigned to?

Answer 8

HTTP

Question 9

Post Office Protocol v3 (POP3) uses?

Answer 9

TCP port 110

Question 10

Which port numbers are reserved for NetBIOS services?

Answer 10

TCP & UDP 137, UDP 138, TCP & UDP 139

Question 11

Which TCP port is used by the Internet Message Access Protocol (IMAP)?

Answer 11

TCP port 143

Question 12

An SNMP management station receives SNMP notifications from Agents on UDP port?

Answer 12

UDP port 162

Question 13

An SNMP Agent receives requests on UDP port?

Answer 13

UDP port 161

Question 14

TCP port 389 is the default network port for?

Answer 14

LDAP

Question 15

Which port is used by HTTPS?

Answer 15

TCP port 443

Question 16

Which protocol runs on TCP port 445?

Answer 16

SMB/CIFS

Question 17

Which port needs to be opened for Windows RDP server?

Answer 17

TCP port 3389

Question 18

TCP means?

Answer 18

Transmission Control Protocol

Question 19

UDP means?

Answer 19

User Datagram Protocol