Question

Which of the following is not an information source over the internet for target attackers?
a. Whois
b. YouTube
c. nslookup
d. Archive sites​

Answer 1

Answer:

b. YouTube

Explanation:

Youtube is a video hosting and  search engine that is owned by Google. It provides videos to many users across the world.

Information can be found on several sites and databases. Many of the sites are free while others are paid. Examples of information sources include : Whois, Nslookup, Archive Sites.

Answer 2

'YouTube' is not an information source over the internet for target attackers.

Option: B

Explanation:

• Information can be available free from some sites and databases residing on the internet. These services and sites are – Whois, Nslookup, Archive Sites, open-source software sites etc.
• Consider Whois Lookup page, where we can get detailed information about the domain name, owner name, data of registration, expiry, owner’s contact information, and so on.
• It is always recommended to keep domain name as a private one.
• YouTube is not an information source. It is video sharing and watching service operated under Google’s subsidiaries.

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