A Systems Administrator Needs to Allow the Linux Server to Receive

question 91

Multiple Choice

A systems administrator needs to allow the Linux server to receive HTTP connections from Internet hosts. By default, the port for HTTP connections is blocked. Which of the following rules should be added in the firewall to allow this type of connection?

• A) firewall-cmd --zone=public --add-port=443/tcp --permanent
• B) firewall-cmd --zone=internal --add-port=80/tcp --permanent
• C) firewall-cmd --zone=public --add-port=80/tcp --permanent
• D) firewall-cmd --zone=internal --add-port=443/tcp --permanent

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Definitions:

NLRB

The National Labor Relations Board, a federal agency in the United States that enforces labor laws in relation to collective bargaining and unfair labor practices.

Wildcat Strike

An unauthorized work stoppage initiated by employees without the approval of their union leadership, often in response to immediate grievances.

Jurisdictional Strike

A strike due to a dispute between two or more unions about which one has jurisdiction over a certain job or workplace.

Conventional Arbitration

A dispute resolution process where a neutral third party makes a binding decision on a conflict between two parties, commonly used in labor disputes.