?____ "scrambles" or encodes data so that even if unauthorized users somehow gain access to your files, they will not be able to read or understand what is in them.
A. ?Virtual memory
B. Optical storage
C. ?Data encryption
D. ?A firewall
Answer: C
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As the network engineer, you are asked to design an IP subnet plan that calls for 3 subnets. The largest subnet needs a minimum of 52 hosts. Management requires that a single mask must be used throughout the Class C network. Which of the following is a private IP network and mask that would meet the requirements?
A) 192.168.0.0 / 255.255.255.192 B) 192.168.0.0 / 255.255.255.224 C) 192.168.0.0 / 255.255.255.240 D) 192.168.0.0 / 255.255.255.248
The data-transfer rate for an optical disc is measured in ____ per second and refers to the speed at which massive amounts of data can be read from the disc.
A. kilobytes B. megabytes C. gigabytes D. terabytes