Observation of security responses to one or more attempts to gain unauthorized access is an example of an adversarial surveillance activity.

1. true
2. false:

True

Explanation:

Adversarial surveillance is done to obtain and collect the information from individuals, businesses, infrastructure in order to know whether any criminal activity is going on, or to check unauthorized access over the property and to detect the terrorism.

This is hidden kind of surveillance in this the person conducting surveillance remains undetected and conduct surveillance by conducting repeated repeats and clicking photos from cell phone camera.

the median of the data is 4.

step-by-step explanation:

the median means the middle number of a given number.

to decide which one is the median, arrange in ascending or descending order. but sometimes, you may find two(2) number in the middle, but it's easy, just add them together and divide by 2.

so,   determine the median of the data. 2, 3, 3, 4, 5, 7, 9

it is already arranged, count 3 times forward and 3 backward and the one left is your answer.

2,3,3,4,5,7,9

our answer is 4.

hope this !

do your own work

you really need to do your own work and stop cheating