10_Task_Common Network Ports

Which port number is used by a file transfer protocol for data transfers?

• Port 20

• Port 21

• Port 23

• Port 22

Answer explanation

Port 20 is used by a file transfer protocol for data transfers, making it the correct choice.

Which protocol is commonly used to send email messages between mail servers?

• SSH

• HTTP

• SMTP

• LDAP

Answer explanation

SMTP is commonly used to send email messages between mail servers.

What port number does the mail server commonly use to send and receive emails?

• Port 25

• Port 67

• Port 80

• Port 161

Answer explanation

The mail server commonly uses Port 25 to send and receive emails.

Which protocol is used for secure communication with remote servers?

• Telnet

• SSH

• FTP

• SMTP

Answer explanation

SSH is used for secure communication with remote servers, providing encryption and authentication to protect data transmission.

What is the port number commonly used by web browsers to access websites?

• Port 161

• Port 20

• Port 53

• Port 80

Answer explanation

Port 80 is the port number commonly used by web browsers to access websites.

Which protocol is used to query directories like Microsoft Active Directory?

• SMTP

• LDAP

• IMAP

• RDP

Answer explanation

LDAP is the protocol used to query directories like Microsoft Active Directory.

What port number is commonly used by a network monitoring tool for monitoring network devices?

• Port 20

• Port 161

• Port 389

• Port 67

Answer explanation

Port 161 is commonly used by a network monitoring tool for monitoring network devices.

Which protocol is used by a company for secure file transfer?

• SMTP

• SSH

• FTP

• IMAP

Answer explanation

The correct protocol used by a company for secure file transfer is FTP (File Transfer Protocol).

What port number does a coffee shop commonly use to provide free Wi-Fi to customers?

• Port 161

• Port 80

• Port 67

• Port 20

Answer explanation

A coffee shop commonly uses Port 67 to provide free Wi-Fi to customers, allowing devices to communicate with the DHCP server for assigning IP addresses.

Which protocol is commonly used for secure communication between online shoppers and e-commerce websites?

• HTTPS

• SMTP

• HTTP

• FTP

Answer explanation

HTTPS is commonly used for secure communication between online shoppers and e-commerce websites, providing encryption and data integrity.