A(n) ________ is a legal and commercial relationship between the owner of a trademark, service mark, trade name or advertising symbol and an individual or group seeking to use that identification in a business

Web 2.0 consists of:

a) Company content b) Obscure web hosts c) User generated content d) Smart device interaction

In echo checking, the receiver

a. repeats everything back to the transmitter for confirmation b. repeats only questionable data back to the transmitter for confirmation c. sends a checksum to the transmitter for confirmation and waits for it to be echoed back d. none of the above