Answer:
You can select non contiguous cells by holding down the Ctrl key as you select, with the mouse.
Run a compatibility check on your computer to check it or ask a tech professional what os they think would be compatible
Answer :
These sort of attacks are known are Injected IFrame Attacks. The Injected IFrame Attacks are a common Cross Site Scripting or XCC attack that contains multiple or single iFrame tags implemented within a page which is not visible to user. User unintentionally enters his information which is posted to hacker’s server and information’s gets hacked.
The Option D , Table Tools Insert