A(n) field ________ is typically chosen to indicate the type of data contained in the fields

What can the following Netcat command do? nc –v –z 12.10.10.1 1-1024

a. It conducts port scanning. b. It sets up a netcat listener. c. It uploads a file. d. It sets up a Telnet session.

Which of the following file modes opens a binary file in the append state?

A. rb B. wb C. w+b D. ab E. r+b