Storage Area Network offers  the latest technology to keep your data safe.In context to this, explain how is SAN different in the way it connects different storage devices? Name the San topologies in use. What are the disadvantages of the Fiber Channel Arbitrated Loop Topology? Name some SAN architecture types. What are the storage devices that can be connected to SAN?

When is a computer’s hard disks referred to as Just a Bunch of Disks? Differentiate between RAID and JBOD? Which one is a better option for storage and why? What is spanning technique used in JBOD? Why IS JBOD referred to as a risky option? What are the advantages of JBOD? 

What is the full form of the acronym RAID? Which is the technique used in RAID? Which are the RAID levels commonly in use? How do they differ? Which raid level is the best option for mission critical applications and why? How is the mean time between failures (MTBF) reduced by the use of RAID?

What is a Storage Area Network? Name some hardware components in SAN? What are the benefits of Storage Area networks to an organization? What is a Direct Attached Storage? How is a SAN better in performance than a DAS? Why are some companies still using DAS? What is the preferred communication protocol used in SAN?

Can people have access to my external hard drive when I connect to the internet? If so, how do I prevent them from accessing my hard drive? Will activating my operating system firewall prevent the external hard drive from being infected with virus from the internet? Can I put a password on an external hard drive to stop illegal access whiles surfing the net?

In my pc I want to use two hard drive i.e. second hard drive as slave. I have connected the 2nd HDD to motherboard’s SATA port using SATA cable but pc is not showing any other drives in My Computer. I have also to connect the 2nd hard drive using SATA to USB cable but not successful. Suggest some way to do this because data transferring from one HDD to other HDD by any other means (by pen drive or by LAN cable) except SATA cable is very time consuming.

I own the WD Cloud device 2TB and a while ago I bought a WD Green 2TB that now lives inside a Logilink UA0107 USB 3 case. Although the drive is perfectly usable through Windows 8 and Ubuntu box, WD Cloud refuses to recognize it. I've formatted the drive a few times (exFAT, NTFS, ext4) but nothing changed. What can be done?

I want to partition my hard drive but facing a problem with formatting. The problem is that when I tried to make partition it does not allow me saying that "Some files may be damaged or engaged Please connect microsoft for more help". If anyone knows about this problem help me.

I have bought new SATA hard drive for my personal computer. I want to know is what is the main function of jumper behind the hard drive ? Actually I my hard drive is too slow.I formatted it twice but it does not work. I want to know if there is need to do something with that jumper ?

My teacher taught us about Cache Memory. She told about L1 cache but gave no hint about L2 cache. I want to know the exact location of L2 cache in the Computer. What is its use and how it works in co-ordination with L1 cache. What is its maximum capacity. Where is it installed? The Proper Location.