Question no $1$: You need to look for Google Data center, and answer the following questions:

$1.$ Where are the data centers located?

$2.$ How does the cooling mechanism work?

$3.$ How is the security of the data centre ensured?

Question no $2$ : Find any in$-$memory database example and explain how it works. Also, explain what are the benefits of using an in$-$memory database.

Question no $3$ : How does a Network Load Balancer affect the performance of an IT Infrastructure? What are the benefits of using a Network Load Balancer $?$