Q. Example of user agents for e-mail

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Q. When the sender and the receiver of an email are on different systems, we need only ______ .

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Q. TELNET is an abbreviation for ____________.

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Q. TELNET is a ________ client-server application program.

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Q. When a user logs into a local time-sharing system, it is called ________ login.

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Q. When a user wants to access an application program or utility located on a remote machine, he or she performs ___________ login.

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Q. NVT uses two sets of characters, one for _____and one for __________.

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Q. For data, NVT uses US ASCII characters with the highest order bit set to ______.

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Q. For control, NVT uses US ASCII characters with the highest order bit set to ______.

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Q. TELNET uses only one TCP connection. The server uses ________ port and the client uses ________ port.

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Q. To distinguish data from control characters, each sequence of control characters is preceded by a special control character called ________.

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Q. In the _______ mode, the echoing is done by the client.

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Q. In the _______ mode, each character typed is sent by the client to the server.

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Q. In the ____ mode, line editing (echoing, character erasing, line erasing, and so on) is done by the client.

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Q. The _______ is software residing on the remote system that allows the remote system to receive characters from a TELNET server.

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Q. The _______ translates local characters into NVT form.

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Q. The _______ translates NVT characters into a form acceptable by the remote operating system.

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Q. If the sender wants to disable an option, it sends a _______ command.

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Q. If the sender wants to enable an option, it sends a _______ command.

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Q. If the sender wants an option disabled by the receiver, it sends a _______ command.

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