Which of the following was the name of the first generation of cell phone networks?
1g
1stg
g1st
g1

3. bob is arguing that if you use output feedback (ofb) mode twice in a row to encrypt a long message, m, using the same key each time, it will be more secure. explain why bob is wrong, no matter what encryption algorithm he is using for block encryption (15 points).

Your friend kayla is starting her own business and asks you whether she should set it up as a p2p network or as a client-server network. list three questions you might ask to kayla decide which network to use and how her answers to those questions would affect your recommendation.

What process should be followed while giving a reference? sam has given a reference of his previous manager in his resume. sam should him in advance that the potential employers will him.