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Networking Ports D481 Questions and Answers
(100% Correct Answers) Already Graded A+
File Transfer Protocol (FTP) Ans: Ports 20, 21, TCP
Provides insecure file transfers
SSH/Secure File Transfer Protocol (SFTP) Ans: Port 22, TCP
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Gives users, particularly system administrators , a secure way to access a
computer over an unsecure network.
Guru01 - Stuvia
Telnet Ans: Port 23 TCP
A network protocol used to virtually access a computer and to provide a
two-way, collaborative and text-based communication channel
between two machines.
Simple Mail Transfer Protocol (SMTP) Ans: Port 25 TCP
A protocol used in sending and receiving email.
Domain Name Service (DNS) Ans: Port 53 TCP/UDP
The Phonebook of the internet. Humans access information online
through domain names like nytimes.com or espn.com. Web browsers
interact through IP addresses to load internet resources.
Dynamic Host Configuration (DHCP) Ans: Port 67/68 UDP
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Used to distribute IP addresses within a network and to configure the
proper subnet mask, default gateway and DNS server information on the
device. Port 67 for server side, 68 for client side.
Trivial File Transfer Protocol (TFTP) Ans: Port 69 UDP
A simple protocol that provides basic file transfer function with no user
authentication.
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Finger Protocol (User Information) Ans: Port 79 TCP
A simple protocol that provides an interface to a remote user
information program.
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Hyper Text Transfer Protocol (HTTP) Ans: Port 80 TCP
Is a method for encoding and transporting information between a client
(such as a web browser) and a web server. HTTP is the primary protocol
for transmission of information across the internet.
Kerberos Ans: Port 88 UDP
Computer-network authentication protocol that works on the basis of
tickets to allow nodes communicating over non-secure network to prove
their identity to one another in a secure matter.
Post Office Protocol version 3 (POP3) Ans: TCP 110
Receives emails from an email server (authenticate and transfer)
1
Networking Ports D481 Questions and Answers
(100% Correct Answers) Already Graded A+
File Transfer Protocol (FTP) Ans: Ports 20, 21, TCP
Provides insecure file transfers
SSH/Secure File Transfer Protocol (SFTP) Ans: Port 22, TCP
© 2026 Assignment Expert
Gives users, particularly system administrators , a secure way to access a
computer over an unsecure network.
Guru01 - Stuvia
Telnet Ans: Port 23 TCP
A network protocol used to virtually access a computer and to provide a
two-way, collaborative and text-based communication channel
between two machines.
Simple Mail Transfer Protocol (SMTP) Ans: Port 25 TCP
A protocol used in sending and receiving email.
Domain Name Service (DNS) Ans: Port 53 TCP/UDP
The Phonebook of the internet. Humans access information online
through domain names like nytimes.com or espn.com. Web browsers
interact through IP addresses to load internet resources.
Dynamic Host Configuration (DHCP) Ans: Port 67/68 UDP
, For Expert help and assignment handling,
2
Used to distribute IP addresses within a network and to configure the
proper subnet mask, default gateway and DNS server information on the
device. Port 67 for server side, 68 for client side.
Trivial File Transfer Protocol (TFTP) Ans: Port 69 UDP
A simple protocol that provides basic file transfer function with no user
authentication.
© 2026 Assignment Expert
Finger Protocol (User Information) Ans: Port 79 TCP
A simple protocol that provides an interface to a remote user
information program.
Guru01 - Stuvia
Hyper Text Transfer Protocol (HTTP) Ans: Port 80 TCP
Is a method for encoding and transporting information between a client
(such as a web browser) and a web server. HTTP is the primary protocol
for transmission of information across the internet.
Kerberos Ans: Port 88 UDP
Computer-network authentication protocol that works on the basis of
tickets to allow nodes communicating over non-secure network to prove
their identity to one another in a secure matter.
Post Office Protocol version 3 (POP3) Ans: TCP 110
Receives emails from an email server (authenticate and transfer)
