Most of the sales force has been told that they should no longer report to the office on a daily basis. From now on, they're to spend the majority of their time on the road calling on customers. Each member of the sales force has been issued a laptop computer and told to connect to the network nightly through a dial-up connection. Which of the following protocols is widely used today as a transport protocol for Internet dial-up connections?

Which protocol is unsuitable for WAN VPN connections?

You've been notified that you'll soon be transferred to another site. Before you leave, you're to audit the network and document everything in use and the reason why it's in use. The next administrator will use this documentation to keep the network running. Which of the following protocols isn't a tunneling protocol but is probably used at your site by tunneling protocols for network security?

A socket is a combination of which components?

You're explaining protocols to a junior administrator shortly before you leave for vacation. The topic of Internet mail applications comes up, and you explain how communications are done now as well as how you expect them to be done in the future. Which of the following protocols is becoming the standard for Internet mail applications?

Which protocol is primarily used for network maintenance and destination information?

IPv6, in addition to having more bits allocated for each host address, has mandatory requirements built in for which security protocol?

Which ports are, by default, reserved for use by FTP?

Which of the following services use only TCP ports and not UDP?

Which protocol, running on top of TCP/IP, is often used for name registration and resolution with Windows-based clients?

What protocol does IPv6 use for hardware address resolution?

You are configuring a host-based firewall so that it will allow SFTP connections. Which of the following is required?

You neeed to send several large files containing sensitive data to a business partner. Which of the following is the BEST choice for this task?

Your organization is planning to establish a secure link between one of your mail servers and a business partner's mail server. The connection will use the Internet. What protocol is the BEST choice?