Questão 1
Questão
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?
Questão 2
Questão
Which protocol is unsuitable for WAN VPN connections?
Questão 3
Questão
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?
Questão 4
Questão
A socket is a combination of which components?
Responda
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TCP and port number
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UDP and port number
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IP and session number
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IP and port number
Questão 5
Questão
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?
Questão 6
Questão
Which protocol is primarily used for network maintenance and destination information?
Questão 7
Questão
IPv6, in addition to having more bits allocated for each host address, has mandatory requirements built in for which security protocol?
Questão 8
Questão
Which ports are, by default, reserved for use by FTP?
Responda
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20 and 21 TCP
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20 and 21 UDP
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22 and 23 TCP
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22 and 23 UDP
Questão 9
Questão
Which of the following services use only TCP ports and not UDP?
Questão 10
Questão
Which service(s), by default, use TCP and UDP port 22? (Choose all that apply)
Questão 11
Questão
Which protocol, running on top of TCP/IP, is often used for name registration and resolution with Windows-based clients?
Questão 12
Questão
What protocol does IPv6 use for hardware address resolution?
Questão 13
Questão
You are configuring a host-based firewall so that it will allow SFTP connections. Which of the following is required?
Responda
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Allow UDP 21
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Allow TCP 21
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Allow TCP 22
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Allow UDP 22
Questão 14
Questão
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?
Questão 15
Questão
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?