CompTIA A+ Exam 220-1101 - TCP & UDP Ports Quiz

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:

(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 port numbers are reserved for NetBIOS services?

(3 answers)

Answer 10

TCP & UDP 137
UDP 138
TCP & UDP 139

Question 11

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

Answer 11

TCP 143

Question 12

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

Answer 12

UDP 162

Question 13

An SNMP Agent receives requests on UDP port:

Answer 13

UDP 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

A network technician uses Remote Desktop Protocol (RDP) client on their Windows OS to remotely troubleshoot a problem on another Windows machine.

Which port needs to be opened for the built-in Windows RDP server to allow this type of network connection?

Answer 17

TCP port 3389