Although NSFNET offered connectivity to academic researches, it was much slower than the newer CSNET.

In the Stop and Wait ARQ protocol, when the sender’s data link layer receives packets of data from the network layer, it will format it into a frame, keep a copy of it, transmit it, and then wait for a(n) ____________________ message from receiver.

Fill in the blank(s) with the appropriate word(s).

Your company has decided to replace several hundred hard drives. It would like to donate the old hard drives to a local school system that will use them to increase storage on systems for students. However, the company also wants to make sure the hard drives are completely wiped before donating them.   Which disposal method will not allow the company to recycle the device? (Select all that apply.)

A. Shredder B. Low level format C. Degaussing D. Overwrite E. Incineration F. Drive wipe