A Linux Administrator Needs to Disable the Sendmail Service on a Linux

question 147

Multiple Choice

A Linux administrator needs to disable the Sendmail service on a Linux server and prevent it from being started manually and during boot. Which of the following is the BEST command to do this?

• A) systemctl reset-failed sendmail
• B) systemctl mask sendmail
• C) systemctl stop sendmail
• D) systemctl disable sendmail

Grasp the significance of timer parameters such as accumulated time, preset time, and time base.

Comprehend the process and requirements for resetting timers.

Understand the operational dynamics of timer contacts and coils in timed control circuits.

Recognize the application of timers in solving specific real-world problems.

---

Definitions:

Drawing Accounts

Personal accounts of the owners or partners in a business representing withdrawals of the business's assets for personal use.

Revenue Accounts

are ledger accounts that track the income earned by a company from its normal business operations, which is then reported on the income statement.

Expense Accounts

Accounts used in accounting to record all expenses transactions made by a business.

Abbreviations

Shortened forms of words or phrases used for convenience.