Answer:
yes
Explanation:
If it is guranteed the key is only known to Alice and Bob and there is no risk of man in the middle attack or channel spoofing so we can achieve data origin authentication
Answer
System restore
Explanation
System restore is a recovery feature that helps restore your system to the previous condition or point. Most computers have system restore disks which are an advantage to the users especially when the computer clashes.These disks are very effective when it comes to restoring the system to its initial state.
Answer:
binary digits in computer system it belongs
