FUNDAMENTALS OF COMPUTER

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OPERATING SYSTEMS FOR COMPUTERS

COMPUTER OPERATING SYSTEMS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following are benefits to encrypting a mobile phone?a. The device cannot be unlocked without the passcodeb. The information on the users phone is unable to be read without the decryption codec. This phone is no longer able to make or receive phone callsd. The phone is not able to connect to unsecured wireless networks
A
a and b only
B
c and d only
C
b and d only
D
a and c only
Explanation: 

Detailed explanation-1: -Once a device is encrypted, all user-created data is automatically encrypted before committing it to disk and all reads automatically decrypt data before returning it to the calling process. Encryption ensures that even if an unauthorized party tries to access the data, they won’t be able to read it.

Detailed explanation-2: -File encryption protects against the threat of lost or stolen mobile devices. Each file on the machine is encrypted, and the encryption keys are stored protected by the user’s password. If an attacker doesn’t have access to this password, then they can’t read any useful data off of the stolen device.

Detailed explanation-3: -Homomorphic encryption is a form of encryption with an additional evaluation capability for computing over encrypted data without access to the secret key.

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