TCP And UDP Ports Flashcards
TCP port 1720 is used by…
H.323
A network administrator wants to secure the existing access to a directory service with SSL/TLS encryption. Which of the following TCP ports needs to be opened to implement this change?
636
TCP port 389 is the default network port for:
LDAP
Which of the TCP port numbers listed below is assigned to the Internet Message Access Protocol (IMAP)?
143
Post Office Protocol v3 (POP3) uses:
TCP port 110
Which of the following protocols runs on TCP port 445?
SMB/CIFS
Which of the ports listed below are assigned to the Session Initiation Protocol (SIP)? (Select 2 answers)
- TCP port 5060
- TCP port 5061
Network Time Protocol (NTP) runs on UDP port:
123
A network technician uses Remote Desktop Protocol (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
SNMP runs on UDP port:
161
Which of the following ports is used by HTTPS?
TCP port 443
TCP port 80 is assigned to:
Hypertext Transfer Protocol (HTTP)
Dynamic Host Configuration Protocol (DHCP) runs on: (Select 2 answers)
- UDP port 67
- UDP port 68
Which of the TCP ports listed below is used by Telnet?
23
UDP port 69 is assigned to:
TFTP
Which port enables the FTP’s Data Connection for sending file data?
TCP port 20
The File Transfer Protocol (FTP) Control Connection for administering a session is established through:
TCP port 21
Unblocking TCP port 22 enables what type of traffic? (Select 2 answers)
- SSH
- SFTP
Secure File Transfer Protocol (SFTP) is an extension to the Secure Shell protocol (SSH) and runs by default on TCP port 22.
True
TCP port 25 is used by:
SMTP
Which of the following UDP ports is assigned to the Domain Name System (DNS)?
53
Secure Shell (SSH) protocol runs on:
TCP port 22
