Comptia A+ Port Numbers Quiz
19 community-sourced questions and answers. Free — no login.
Which port enables FTP's Data Connection to send file data?
TCP port 20
FTP's Control Connection for administering a session is established through:
TCP port 21
SSH protocol runs on:
TCP port 22
Which of the following TCP ports does Telnet use?
23
TCP port 25 is used by:
SMTP
Which of the following UDP ports is assigned to DNS?
53
TCP port 80 is assigned to:
Hypertext Transfer Protocol (HTTP)
POP3 uses:
TCP port 110
Which of the following TCP port numbers is assigned to IMAP?
143
Which of the following ports is used by HTTPS?
TCP port 443
A network technician wishes to use an RDP client on their Windows OS to remotely troubleshoot a problem on another Windows machine. Which of the following ports needs to be opened for the built-in Windows RDP server to allow this type of network connection?
TCP port 3389
Which of the following port numbers are reserved for NetBIOS services? (Select 3 answers)
137, 138, 139
Port 445 is used by: (Select 2 answers)
SMB,CIFS
Which port number is used by SLP?
427
AFP runs by default on TCP port:
548
DHCP runs on: (Select 2 answers)
UDP port 67, UDP port 68
TCP port 389 is the default network port for:
LDAP
An SNMP Agent receives requests on UDP port:
161
An SNMP management station receives SNMP notifications on which of the following UDP ports?
162
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