A Linux Administrator Recently Changed the IP Addresses of All

question 137

Multiple Choice

A Linux administrator recently changed the IP addresses of all the web servers from 10.10.50.x to 10.10.100.x. The administrator needs to update the serverlist.txt file to reflect the change. The file contains the following: 10:WebSvr01:10.10.50.21:Main 11:WebSvr02:10.10.50.22:Acconting 12:WebSvr03:10.10.50.23:Intranet 20:NFS01:10.10.20.21:FileServer 30:SMTP01:10.10.30.31:Email Which of the following commands will change the IP addresses and update the files in place?

• A) sed 's|.50|.100|g' serverlist.txt
• B) sed -g 's|.50|.100|a' serverlist.txt
• C) sed -i 's|.50|.100|' serverlist.txt
• D) sed -i 's|.50|.100|g' serverlist.txt

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Definitions:

Low Cost Reductions

Low cost reductions refer to strategies or measures implemented to decrease the expenses involved in operating a business, production, or delivering services without compromising quality.

Operations Strategies

Plans and policies developed to achieve efficient manufacturing, service delivery, and overall operational performance.

Operations Manager

Someone whose job is to guide, plan, and monitor the production process and modify organizational practices in the creation of goods or services.