TCP & UDP Ports Flashcards
Which port enables FTP’s data connection for sending file data?
TCP port 20
The FTPs control connection for administering a session is established through
TCP port 21
SSH protocol runs on
TCP port 22
Which of the TCP ports listed below is used by Telnet
23
TCP port 25 is used by
SMTP
Which of the following ports is assigned to the domain name system?
53
Dynamic host configuration protocol runs on : 2 answers
UDP port 67
UDP port 68
TCP port 80 is assigned to
Hypertext transfer protocol (HTTP)
Post office protocol v3 (POP3) uses
TCP port 110
Which of the port numbers listed below are reserved for NetBIOS services? 3 answers
137
138
139
Which of the following TCP ports is used by the internet message access protocol (IMAP)
143
An SNMP management station receives SNMP notifications from agents on UDP port :
162
An SNMP agent receives requests on UDP port
161
TCP port 389 is the default network port for
LDAP
Which of the following ports is used by HTTPS?
TCP port 443
Which of the following protocols runs on TCP port 445?
SMB/CIFS
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?
TCP port 3389
IMAP secure encryption protocol number
993
POP3S secure encryption protocol number
995
SMTPS secure encryption protocol number
465 or 587
