Which of the following ports is designated by default for secure, encrypted Post Office Protocol version 3 (POP3S) communication? MCQ with Answer and Explanation
Which of the following network utilities is used to test the active reachability of a remote host across an Internet Protocol network and measure round-trip time?
Explanation:
Ping sends ICMP Echo Request packets to a target host and measures the time it takes to receive an Echo Reply back, verifying connection performance.
Explanation:
Cross-Site Scripting (XSS) is a vulnerability where attackers inject malicious scripts into otherwise benign websites, which are then executed in users' browsers.
Which protocol offers a lightweight, connectionless transmission method that prioritizes speed over data arrival validation, often used for online live video streaming?
Explanation:
UDP (User Datagram Protocol) is a connectionless transport protocol that transmits data packets rapidly without setting up an overhead verification connection, ideal for real-time streams.
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