Answer:
a. Telnet transmissions are not encrypted.
Explanation:
Indeed, since <em>Telnet transmissions are not encrypted,</em> all the information sent, and even the characters typed in the telnet console are sent in clear text.
This is a security issue, since any other device in the same network will receive a copy of the information (packets) sent. For default, all the devices, except for the server expecting to receive the information, will discard the packets. However it is easy to actively <em>listen </em>and keep those packets, wich will contain the information in plain text and human readable.
Answer:
Using the DNS service.
Explanation:
The computer sends a UDP packet with the domain name in it to port 53 of the configured DNS server, and expects a reply with the IP address of that domain.
Answer:
The graphical user interface (GUI /dʒiːjuːˈaɪ/ jee-you-eye or /ˈɡuːi/) is a form of user interface that allows users to interact with electronic devices through graphical icons and audio indicator such as primary notation, instead of text-based user interfaces, typed command labels or text navigation.