Ports Flashcards
Which port is used for SMTP (Simple Mail Transfer Protocol)?
A. 20-21
B. 23
C. 25
D. 42
Answer: C. 25 (SMTP)
Which port is used for Telnet?
A. 7
B. 19
C. 23
D. 80
Answer: C. 23 (Telnet)
Which port is used for FTP (File Transfer Protocol)?
A. 7
B. 20-21
C. 25
D. 80
Answer: B. 20-21 (FTP)
Which port is used for SSH/SCP (Secure Shell/Secure Copy)?
A. 20-21
B. 22
C. 23
D. 25
Answer: B. 22 (SSH/SCP)
Which port is used for HTTP (Hypertext Transfer Protocol)?
A. 20-21
B. 23
C. 25
D. 80
Answer: D. 80 (HTTP)
Which port is used for DNS (Domain Name System)?
A. 20-21
B. 23
C. 53
D. 80
Answer: C. 53 (DNS)
Which port is used for DHCP/BOOTP (Dynamic Host Configuration Protocol/Bootstrap Protocol)?
A. 67-68
B. 69
C. 80
D. 443
Answer: A. 67-68 (DHCP/BOOTP)
Which port is used for TFTP (Trivial File Transfer Protocol)?
A. 42
B. 69
C. 80
D. 443
Answer: B. 69 (TFTP)
Which port is used for IMAP4 (Internet Message Access Protocol version 4)?
A. 79
B. 110
C. 143
D. 443
Answer: C. 143 (IMAP4)
Which port is used for SNMP (Simple Network Management Protocol)?
A. 80
B. 161-162
C. 443
D. 5000
Answer: B. 161-162 (SNMP)
Which port is used for LPD/LPR (Line Printer Daemon/Line Printer Remote)?
A. 23
B. 25
C. 515
D. 587
Answer: C. 515 (LPD/LPR)
Which port is used for RIP (Routing Information Protocol)?
A. 42
B. 80
C. 520
D. 631
Answer: C. 520 (RIP)
Which port is used for SIP (Session Initiation Protocol)?
A. 80
B. 443
C. 5060
D. 8080
Answer: C. 5060 (SIP)
Which port is used for XMPP/Jabber (Extensible Messaging and Presence Protocol)?
A. 22
B. 443
C. 5222-5223
D. 8080
Answer: C. 5222-5223 (XMPP/Jabber)
Which port is used for BitTorrent?
A. 80
B. 443
C. 6881-6999
D. 8080
Answer: C. 6881-6999 (BitTorrent)
Which port is used for SOCKS Proxy?
A. 1080
B. 1194
C. 3124
D. 5000
Answer: A. 1080 (SOCKS Proxy)
Which port is used for OpenVPN?
A. 80
B. 443
C. 1194
D. 8080
Answer: C. 1194 (OpenVPN)
Which port is used for NFS (Network File System)?
A. 443
B. 1025
C. 2049
D. 5000
Answer: C. 2049 (NFS)
Which port is used for Terminal Server?
A. 3389
B. 3689
C. 3784-3785
D. 5080
Answer: A. 3389 (Terminal Server)
Which port is used for HTTP Proxy?
A. 80
B. 3128
C. 5000
D. 8080
Answer: B. 3128 (HTTP Proxy)
Which port is used for WHOIS?
A. 19
B. 42
C. 43
D. 80
Answer: C. 43 (WHOIS)
Which port is used for MSN?
A. 80
B. 135
C. 443
D. 1863
Answer: D. 1863 (MSN)
Which port is used for DHCPv6 (Dynamic Host Configuration Protocol for IPv6)?
A. 67-68
B. 546-547
C. 1024
D. 2048
Answer: B. 546-547 (DHCPv6)
Which port is used for RADIUS (Remote Authentication Dial-In User Service)?
A. 80
B. 161-162
C. 1812-1813
D. 2000
Answer: C. 1812-1813 (RADIUS)
Which port is used for Gnutella?
A. 80
B. 443
C. 6346-6347
D. 8080
Answer: C. 6346-6347 (Gnutella)
Which port is used for MS Exchange?
A. 102
B. 443
C. 691
D. 987
Answer: C. 691 (MS Exchange)
Which port is used for Direct Connect?
A. 25
B. 80
C. 119
D. 411-412
Answer: D. 411-412 (Direct Connect)