•Cons of Virtualization. High Initial Investment. Data Can be at Risk. Quick Scalability is a Challenge. Performance Witnesses a Dip.
•Pros of Virtualization. Uses Hardware Efficiently. Available at all Times. Recovery is Easy. Quick and Easy Setup. Cloud Migration is Easier.
<h2>Mark as brainlest answer!!!!!</h2>
The computers that communicate with each other are called
.

Explanation:
Overlay analysis is an approach, taking in data from two or more layers to create a single output layer.
For example, if we have a layer of land use and a layer of soil fertility, we can derive from the two layers the percentage of agricultural land developed over fertile soil.
Answer:
backup() {
read dirname;
if [[ whereis . /`$dirname` 2> sterr.exe]]
then
mkdir $dirname
for f in . / *.cpp
do
cp f "path_to_dirname"
echo "file backup complete"
}
backup( )
Explanation:
The bash script above is used to backup C++ source files in a directory to a backup directory which is created if it does not exist, and copy's each .cpp file to backup, then sends a message to declare its completion.
Answer:
b. Rubato tremolo
Explanation:
Tremolo is a modulation effect that imposes a rhythmic change in volume of sound. Once discovered in electric amplifier circuits, sound engineers and composers like the Baroque now use this low frequency oscillating modulation technique to create emotional piercing effect on their audience to maintain focus.
The low frequency tremolo can be gotten from the vibrating string in guitars, violins etc, and vocal sound, it is also produced from electronic devices created for its purpose. they are called optical tremolo.