SAN RAID Storage Questions & Answers

This set of SAN questions and answers helps anyone preparing for EMC ISM Storage certification exams. One should practice our complete set of questions and answers continuously for 2-3 months for through understanding of SAN Fundamentals and various exams and interviews.

1. Which of the following suffers from write hole problem?
a) RAID 0
b) RAID 1
c) RAID 5
d) RAIDZ
View Answer

Answer: c
Explanation: None.

2. If read and write performance is the only criterion, which would you choose?
a) RAID 0
b) RAID 1
c) RAID 5
d) RAID 50
View Answer

Answer: a
Explanation: None.

3. Which one of the following is an invalid RAID level?
a) Raid 10
b) Raid 50
c) Raid 53
d) Raid 80
View Answer

Answer: d
Explanation: None.

4. Which of the following RAID levels guarantees double disk failure protection?
a) Raid 5
b) Raid 6
c) Raid 0+1
d) Raid 0+5
View Answer

Answer: b
Explanation: None.

advertisement
advertisement

5. Which of the following RAID levels are nested?
a) Raid 5
b) Raid 6
c) Raid 10
d) Raid 4
View Answer

Answer: c
Explanation: None.

6. What is the name of raid module in a linux kernel?
a) lvm
b) raidsoft
c) md
d) none of the mentioned
View Answer

Answer: c
Explanation: None.

7. What is the minimum number of disks needed for Raid level 5?
a) 2
b) 3
c) 4
d) 5
View Answer

Answer: b
Explanation: None.

8. When one disk fails in a RAID 5 array with a hot spare, which one of the following statements is true?
a) No IO can continue
b) Reads continue from hot spare, but writes fail
c) Both reads and writes can continue
d) Array must be shut down immediately for replacing the failed disk
View Answer

Answer: c
Explanation: None.

advertisement

9. When one disk fails in a RAID 5 array without a hot spare, which one of the following statements is true:
a) No IO can continue
b) Reads continue from hot spare, but writes fail
c) Both reads and writes can continue
d) Array must be shut down immediately for replacing the failed disk
View Answer

Answer: c
Explanation: None.

Sanfoundry Global Education & Learning Series – Storage Area Networks.

advertisement

Here’s the list of Best Books in Storage Area Networks

If you find a mistake in question / option / answer, kindly take a screenshot and email to [email protected]

advertisement
advertisement
Subscribe to our Newsletters (Subject-wise). Participate in the Sanfoundry Certification contest to get free Certificate of Merit. Join our social networks below and stay updated with latest contests, videos, internships and jobs!

Youtube | Telegram | LinkedIn | Instagram | Facebook | Twitter | Pinterest
Manish Bhojasia - Founder & CTO at Sanfoundry
Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn.

Subscribe to his free Masterclasses at Youtube & discussions at Telegram SanfoundryClasses.