Question: 1) What does an operating system do? 2) What is the difference between a NAS and a SAN. What are the advantages and disadvantages of

1) What does an operating system do?

2) What is the difference between a NAS and a SAN. What are the advantages and disadvantages of each?

3) What role does virtualization play in most server rooms?

4) A small business with 30 employees wants to better secure and manage their Windows PCs and users. All they have right now is 20 PCs, an internet router and a 1GB switch. What would you recommend to them?

5) A large business with 2000 employees and about 300 servers is paying a lot of money for electricity. They hire you to improve their server room power consumption. What would you do?

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