What is the purpose of the 'Cache-Control' HTTP header? MCQ with Answer and Explanation
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Question #1
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Which protocol works at the network layer to transmit error alerts, status notifications, and network diagnostics data, heavily utilized by troubleshooting tools like 'Ping'?
Correct Answer: Option B
Explanation:
ICMP (Internet Control Message Protocol) is used by network devices to send error messages and operational information, such as indicating that a requested host is unreachable.
ICMP (Internet Control Message Protocol) is used by network devices to send error messages and operational information, such as indicating that a requested host is unreachable.
This question belongs to:
Computer
Internet and Web Technologies
Question #2
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Which file is placed on a website's server to give instructions to search engine web crawlers about which paths and directories should not be scanned or indexed?
Correct Answer: Option B
Explanation:
The robots.txt file is a standard text file used by websites to guide web robots and crawlers regarding which parts of the site they are allowed to index.
The robots.txt file is a standard text file used by websites to guide web robots and crawlers regarding which parts of the site they are allowed to index.
This question belongs to:
Computer
Internet and Web Technologies
Question #3
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What does the acronym WWW stand for in the context of the Internet?
Correct Answer: Option B
Explanation:
WWW stands for World Wide Web, which is an information system where documents and other web resources are identified by URLs and can be accessed via the Internet.
WWW stands for World Wide Web, which is an information system where documents and other web resources are identified by URLs and can be accessed via the Internet.
This question belongs to:
Computer
Internet and Web Technologies
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