11. Regarding link level framing methods a) with byte count, it is difficult to resynchronize after an error b) with byte stuffing, the user data is not allowed to contain a byte that mimics the flag c) with bit stuffing, the user data is not allowed to contain a bit configuration that mimics the flag d) none of these

What are procedures that keep a data base current

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?

Pl i need the answer now ! which one of the following is considered a peripheral? a software b mouse c usb connector d motherboard