Select the correct answer.
An employee has sent a data packet to one of her colleagues. However, the colleague did not receive the file. Why do you think this happened?
OA.
The computer is not connected to the server.
B. A firewall dropped the packet.
C.
Their computers are not connected to each other.
D. The file size was too small.
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Your boss wants you to configure his laptop so that he can access the company network when he is on the road. you suggest a vpn connection to him. he is very concerned about security and asks you how secure vpn is. what do you tell him?

Assume that there is a 4% rate of disk drive failure in a year. a. if all your computer data is stored on a hard disk drive with a copy stored on a second hard disk drive, what is the probability that during a year, you can avoid catastrophe with at least one working drive? b. if copies of all your computer data are stored on three independent hard disk drives, what is the probability that during a year, you can avoid catastrophe with at least one working drive?

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