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What is Direct attached Storage (DAS)? How is it different from Storage area Network (SAN) and Network attached Storage (NAS)? What are the advantages provided by DAS over NAS and SAN? Where then would you say that DAS has a limitation? Where is a DAS device housed? Can it be connected to multiple devices?

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?

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?

Bought brand new SanDisk Cruzer Switch 16 GB Pen Drive and it had a file named SecureVault.exe. I deleted this file accidently. Now I want to know:
>What is the function/use of this File?
>Can I get this file Back?
>Will the deletion of this file affect my personal data stored in this Pen Drive?

I have a Windows Phone 8. A friend told me that when I used One Drive, the Auto-Upload feature will filled my storage. I want to know if it's safe to enable this feature. I have a 4GB storage on my device. Can I perform an update considering the storage size? Please send me some guidelines on this issue. Thank you.

I found out that a few of my 64GB micro SD cards were actually 8GB each. Instead of throwing it out, I plan to use the good portion of those cards. Is there a utility I can use to map out or create a dummy file on bad sectors of a flash drive?

Hello everyone,

What is the best backup solution for an institution? My college always seems to loose student data and maybe it is because its hard to manage large data. What solution can manage such large data? Is the recovery complicated or is it simple? How is the whole thing done?


I have an Android device which is configured with two Google accounts that I mainly use to backup my data. I am not able to see the data in Google drive and I also can't see contacts from Gmail. Where do they back up all the data?

Hi all,

I stored some messages on my Android phone, I would like to keep a backup on my computer or any other form of backup available for a galaxy phone and also print some messages. How can I transfer contacts and messages from Samsung galaxy to PC? Can I print the messages from the phone or do I wait until I can print from the PC?