When inserting a new station into a token ring network, the network interface card (NIC) sends a 5 volt DC signal, which is called ____________________ Power, on the transmission line to activate a relay at the MSAU port in order to insert a new station.

The Y-axis

A) compares values for one set of data. B) is a vertical line that borders the plot area to provide a frame of reference for measurement. C) is text that describes a collection of data points in a chart. D) is a horizontal line that borders the plot area to provide a frame of reference for measurement.

What type of attack is being performed when the attacker has access to plaintext and ciphertext, and can choose which messages to encrypt?

A. chosen-ciphertext B. chosen-plaintext C. known plaintext D. ciphertext-only