An Email Administrator Is Tasked to Set Up a Linux

question 289

Multiple Choice

An email administrator is tasked to set up a Linux mail server. One of the requirements is to close all ports except SSH, HTTPS, SMTP, POP3, and IMAP4. Which of the following commands should be used to see which ports are currently open on the email server? (Choose two.)

• A) lsof
• B) netstat
• C) ipconfig
• D) traceroute
• E) ping
• F) dig

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Definitions:

Repress

The unconscious exclusion of painful impulses, desires, or fears from the conscious mind.

Submissive

The tendency to yield to the authority or will of others, often at the expense of one's own preferences or desires.

Powerful

Having great power, influence, or effect; often used to describe entities or individuals capable of exerting force or authority over others.

Early Childhood Years

The period in a human's life from birth to the beginning of formal education, typically encompassing the first 5 to 8 years.