JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD B.Tech IV STORAGE AREA NETWORKS Previous Question Paper (July - 2019 - R15)
Part A is compulsory which carries 25 marks. Answer all questions in Part A. Part B consists of 5 Units. Answer any one full question from each unit.
PART A
Write a short note on data management.
Answer
Data management refers to the process of acquiring, storing, protecting, and processing data to ensure its accessibility, reliability, and timeliness. It encompasses policies, procedures, and technologies for managing the entire lifecycle of data, from creation to deletion, to support business objectives and regulatory compliance.
What are the key metrics to monitor for different components in storage infrastructure?
Answer
Key metrics for monitoring storage infrastructure components include:
- Storage Arrays: IOPS (Input/Output Operations Per Second), throughput (MB/s), latency (ms), cache hit ratio, disk utilization, and capacity utilization.
- Network Switches (FC/Ethernet): Port utilization, error rates, buffer utilization, and latency.
- Servers: CPU utilization, memory utilization, disk I/O wait times, and network throughput.
- Backup Systems: Backup success rates, backup window duration, data transfer rates, and restore times.
- Replication/DR Systems: Replication lag, RPO (Recovery Point Objective), RTO (Recovery Time Objective), and bandwidth utilization.
What are the components of FC-SAN?
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Write a short note on RAID 1 and RAID 2.
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Write a short note on planned outages.
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Explain briefly about Disaster Recovery.
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Explain the Key management tasks in a data center.
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Write a short note on Backup Recovery.
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What is meant by Storage security domain?
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Write a short note on virtualization technologies.
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Unit I
What are the elements of a data center infrastructure? Describe the role of each element in supporting business activities.
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Briefly explain about the challenges in data storage and data management.
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Unit II
Explain working of an intelligent storage system with a neat architecture.
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Explain about RAID Array Components.
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Briefly explain about the components of NAS.
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Explain the benefits of the different networked storage options for different application environments.
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Unit III
Briefly explain about unplanned outages.
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Discuss various solutions to mitigate single points of failure in a storage infrastructure.
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Explain about the following:
RTO
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RPO
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Unit IV
What is the role of replication technologies in ensuring information availability?
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Explain the Architecture of backup / recovery.
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Explain the different backup/recovery topologies.
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Unit V
What are the key management tasks in virtualization?
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Describe Industry standards for data center monitoring and management.
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Explain about following:
Information Security
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Journaling
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