TCP & UDP Ports Quiz
Which of the following UDP ports is assigned to DNS? A. 53 B. 67 C. 110 D. 389
A. 53
Which port number is used by SLP? A. 143 B. 427 C. 548 D. 443
B. 427
TCP port 389 is the default network port for: A. RDP B. LDAP C. SMB D. LDAPS
B. LDAP
Port 445 is used by: (Select 2 answers) A. RDP B. SMB C. CIFS D. HTTPS E. IMAP
B. SMB C. CIFS
DHCP runs on: (Select 2 answers) A. UDP port 63 B. UDP port 65 C. UDP port 67 D. UDP port 68 E. UDP port 69
C. UDP port 67 D. UDP port 68
Which of the following TCP port numbers is assigned to IMAP? A. 143 B. 389 C. 443 D. 636
A. 143
An SNMP Agent receives requests on UDP port: A. 161 B. 138 C. 162 D. 139
A. 161
TCP port 80 is assigned to: A. Hypertext Transfer Protocol (HTTP) B. Hypertext Transfer Protocol over TLS/SSL (HTTPS) C. Internet Message Access Protocol (IMAP) D. Lightweight Directory Access Protocol (LDAP)
A. Hypertext Transfer Protocol (HTTP)
POP3 uses: A. TCP port 110 B. UDP port 123 C. TCP port 143 D. UDP port 161
A. TCP port 110
Which port enables FTP's Data Connection to send file data? A. UDP port 20 B. TCP port 20 C. UDP port 21 D. TCP port 21
B. TCP port 20
Which of the following ports is used by HTTPS? A. TCP port 80 B. TCP port 443 C. UDP port 53 D. TCP port 143
B. TCP port 443
Which of the following port numbers are reserved for NetBIOS services? (Select 3 answers) A. 136 B. 161 C. 137 D. 162 E. 138 F. 139
C. 137 E. 138 F. 139
An SNMP management station receives SNMP notifications on which of the following UDP ports? A. 161 B. 137 C. 162 D. 138
C. 162
FTP's Control Connection for administering a session is established through: A. TCP port 20 B. UDP port 20 C. TCP port 21 D. UDP port 21
C. TCP port 21
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? A. TCP port 1720 B. TCP port 636 C. TCP port 3389 D. TCP port 445
C. TCP port 3389
Which of the following TCP ports does Telnet use? A. 20 B. 21 C. 22 D. 23
D. 23
AFP runs by default on TCP port: A. 427 B. 443 C. 445 D. 548
D. 548
TCP port 25 is used by: A. SNMP B. Telnet C. FTP D. SMTP
D. SMTP
SSH protocol runs on: A. TCP port 21 B. UDP port 22 C. TCP port 20 D. TCP port 22
D. TCP port 22