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Bt9003
Winter
2015
1 Explain the practices and
techniques to consider when developing a data protection strategy.
Answer: The practices and techniques to consider
when developing a data protection strategy are:
·
Backup and recovery: The safeguarding of data by making
offline copies of the data to be restored in the event of disaster or data
corruption.
·
Remote data movement: The real-time or near-real-time moving
of data to a location outside the primary
2 Explain RAID 0, RAID1 and RAID 0+1.
Answer: RAID
0
RAID 0 provides no redundancy (which
gives it its zeroed status) but does address the issue of disk latency. When a
server is connected to a single disk drive, reads or writes of multiple data
blocks are limited by the buffering capability and rotation speed of the disk. While
the disk is busy processing one
3. How ILM supports
implementation of regulatory concerns? Explain with an example.
Answer: A common reason that many organizations
implement ILM is to address regulatory concerns. Throughout the world, new
regulations that attempt to safeguard privacy or control the behavior of public
organizations are affecting how information is retained and destroyed. In the
United States, Sarbanes-Oxley and the Health Insurance Portability and
Accountability Act (HIPAA) have caused
4 Describe the two major product
classes in storage networking.
Answer: The two major product classes in storage
networking are SAN and NAS. Analyzing these technologies within the system of
connecting, storing and filing, they can be easily differentiated by stating
the following:
Ø SAN (Storage Area Network) is the
application of storing over a network.
Ø NAS (
5 Briefly explain redundant
I/O path elements.
Answer: Redundant
I/O Path Elements
1)
Redundant Server Systems: Infrastructures for data access
necessarily include options for redundant server systems. While server systems
might not necessarily be thought of as storage elements, they are clearly key
pieces of data access infrastructures. From a storage I/O perspective, servers
are the starting
6 Describe file system
hierarchy and parsing the file system.
Answer: File
system hierarchy
A file system brings order to the
potential chaos of file overpopulation by organizing files into a logical
hierarchy. The file system provides a treed structure built on a foundation of
a main or root directory. The root directory branches into multiple
subdirectories that in turn may contain additional
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