Question Paper: Storage Management & Retrieval : Question Paper May 2013 - Information Technology (Semester 8) | Mumbai University (MU)

Storage Management & Retrieval - May 2013

Information Technology (Semester 8)

(1) Question 1 is compulsory.
(2) Attempt any four from the remaining questions.
(3) Assume data wherever required.
(4) Each question carries equal marks and sub-question marks are equally divided.
1 (a)

Consider a disk I/O system in which an I/O request arrives at the rate of 60 IOPS. The disk service time is 4ms.
i) compute the following: Utilization of I/O controller, Total response time. Average queue size and Total time spent by a request in a queue.
ii) Compute the preceding parameter if the service time is halved

(10 marks) 1 (b)

Explain information Lifecycle. What are the key challenges in managing information?

(10 marks)
2 (a)

Explain the logical components of the Host in detail.

(10 marks)
2 (b)

Explain the factor affecting NAS performance and availability in detail.

(10 marks)
3 (a)

Explain CAS Architecture with examples.

(10 marks)
3 (b)

Explain Remote replication technologies in brief.

(10 marks)
4 (a)

Explain various forms of virtualization and storage virtualization challenges.

(10 marks)
4 (b)

Explain failure Analysis with respect to Business continuity.

(10 marks)
5 (a)

Explain fibre channel architecture

(10 marks)
5 (b)

Explain SCSI command model in detail.

(10 marks)
6 (a)

Explain following:-
i) Storage security domains
ii) Risk Triad

(10 marks)
6 (b)

Explain components of an Intelligent storage system in detail.

(10 marks)

Write short notes on the following (any four):-

7 (a)


(5 marks) 7 (b)

Backup in NAS environment

(5 marks)
7 (c)

Object Storage and Retrieval in CAS.

(5 marks)
7 (d)

LUN and LUN masking

(5 marks)
7 (e)

Raid levels.

(5 marks)

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