You Have Configured a Firewall to Block Telnet and SSH

question 85

Multiple Choice

You have configured a firewall to block Telnet and SSH communications by blocking the TCP and UDP ports 22 and 80. Will this accomplish the job?

• A) Yes
• B) No, because it is also necessary to block port 443 for FTP
• C) No, because SSH is still not blocked
• D) No, because Telnet is still not blocked

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Definitions:

Relate

To establish a connection or find similarities between things, or to empathize and understand someone's experiences or emotions.

Value Chain

A set of activities that a company performs to create value for its customers, from product design to post-sale service.

Open Systems

Organizations or entities that interact with their environment by exchanging information, resources, and energy, adapting and responding to external changes.

Research-Based Facts

Information and findings derived from systematic inquiry into a subject, supported by empirical evidence.