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:

New Equity Issue

The process of issuing new shares of stock to raise capital for a company.

Liquidity

The ease with which an asset can be converted into cash without significantly affecting its market price.

Market Price

The selling price of goods or services in the open market at which buyers and sellers agree.

New Equity Issue

The process of offering new shares by a company to the public or existing shareholders to raise capital.