Network Ports, Protocols, and Devices

Which TCP/IP protocol, designed to download email, allows for multiple clients to be simultaneously connected to the same mailbox?

• SMTP
• POP3
• IMAP
• SMB

Which one of the following TCP/IP protocols was designed as a replacement for Telnet?

• SMB
• SSH
• SFTP
• FTPS

Which of the following TCP/IP protocols is connection-oriented and attempts to guarantee packet delivery?

• IP
• TCP
• UDP
• ICMP

Which TCP/IP protocol allows a user to log into a remote computer and manage files as if they were logged in locally?

• FTP
• SFTP
• SMB
• Telnet

Which TCP/IP protocol is used to provide shared access to files and printers on the network?

• FTP
• SSH
• SMB
• SNMP

What port does the Telnet protocol use?

• 21
• 22
• 23
• 25

Which TCP/IP protocol, developed by Microsoft, allows users to connect to remote computers and run programs on them?

• RDP
• SMB
• CISF
• Telnet

What port does the SSH protocol use?

• 21
• 22
• 23
• 25

You want to ensure that client computers can download email from external email servers regardless of the protocol their email client uses. Which ports do you open on the firewall to enable this? (Choose two.)

• 23
• 25
• 110
• 143

A senior administrator calls you and tells you that she is working from home and trying to use RDP, but it won’t connect. What port do you need to ensure is open on the firewall to grant her access?

• 143
• 443
• 548
• 3389