Web beacons are an effective site usage tracker because: a. They use hidden form variables b. Browsers cannot detect them c. Browsers do not block them d. They are encrypted The most effective...

Web beacons are an effective site usage tracker because:

a. They use hidden form variables

b. Browsers cannot detect them

c. Browsers do not block them

d. They are encrypted

The most effective countermeasure for malware is:

a. Rootkit detection

b. Decreasing user privilege levels

c. Anti-virus

d. Firewalls