You have to ask you teacher to show you which ones you got wrong and the answers to them.
Version history feature
OneDrive's Version history feature allows you to view older versions of an Office Online document. If you find a version you want, you can then restore it, moving it to the top of the list as the latest version of the file.
Answer:
The correct answer for the following question will be Digital certificate.
Explanation:
An electronic "password" that allows an organization or person to exchange information (data) with security using the public key infrastructure (PKI) over the internet called as Digital certificate. And is also known as Public key certificate and identity certificate.
Digital certificate contains the following things :
- Copy of certificate holder public key.
- Name of certificate holder.
- Serial number which is used to uniquely identify a certificate.
- Expiration dates.
- Digital signature of certificates.
What security provided :
- Identification/Authentication.
- Access Control.
- Non-Repudiation.
- Integrity.
