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IBM C9020-562 Exam Practice Questions (P. 5)

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Question #21
A customer is implementing an IBM Storwize V7000 Unified solution and will access both file and block storage. Two fibre channel adapters are included within each controller.
What is the maximum number of fibre channel connections the customer can connect to its SAN fabrics?
  1. A
    12
  2. B
    6
  3. C
    4
  4. D
    16

Correct Answer:
D
With the introduction of the 2076-524 nodes, and the ability to have up to eight FC ports per node, there are several different options that are valid for attaching storage to the Storwize V7000 Gen2 cluster.
Apply these Storwize V7000 Unified configuration details for Fibre Channel and Fibre Channel Over Ethernet (FC/FCoE Gateway, FCF) switches to ensure that you have a valid configuration.
Configuring your SAN with at least two independent switches, or networks of switches, ensures a redundant fabric with no single point of failure. If one of the two
SAN fabrics fails, the configuration is in a degraded mode, but is still valid. You should maintain separate fabrics for FCoE and FC. If you attempt to combine these fabrics, you might risk adding additional paths to the volumes. Supported configurations allow a maximum of eight paths.
References:
http://www.ibm.com/support/knowledgecenter/ST5Q4U/com.ibm.storwize.v7000.unified.141.doc/svc_rulesswitch_223fp0.html

Question #22
Which component of the IBM Spectrum family helps a customer manage application-aware point-in-time copies on EMC, HDS, and the IBM Storwize family?
  1. A
    IBM Spectrum Protect Snapshot
  2. B
    IBM Copy Services Manager
  3. C
    IBM Spectrum Control with External Virtualization
  4. D
    IBM Spectrum Protect for SAN

Correct Answer:
A
IBM Spectrum Protect Snapshot (formerly known as IBM Tivoli FlashCopy Manager) uses advanced snapshot capabilities of disk subsystems to create application, database, and VM-aware point-in-time snapshots.
References: IBM Spectrum Family, IBM Spectrum Control Standard Edition, page 237 http://www.redbooks.ibm.com/redbooks/pdfs/sg248321.pdf

Question #23
Which product should be included as part of an IBM Storwize Family solution for a customer who desires to simplify and automate capacity management?
  1. A
    IBM Spectrum Control
  2. B
    Easy Tier
  3. C
    IBM Spectrum Archive
  4. D
    Tiered Storage Optimizer

Correct Answer:
A
Spectrum Control provides analytics-driven storage management and efficient infrastructure management for virtualized, cloud, and software-defined storage to simplify and automate storage provisioning, capacity management, availability monitoring, and reporting.
IBM Spectrum Control communicates with Storwize V7000 storage systems through a native interface.
Use IBM Spectrum Control to monitor Storwize V7000 systems, including discovery, data collection (probes), performance monitoring, trending, storage optimization, and provisioning. IBM Spectrum Control reports and topology views also provide information about the tier, tier capacity, and tier free capacity for
Storwize V7000.
Incorrect Answers:
B: IBM Easy Tier does not address capacity management.
Note: IBM Easy Tier is a performance function that automatically migrates or moves the extents of a volume to, or from, flash storage to hard disk drive (HDD) storage. Easy Tier monitors the host I/O activity and latency on the extent of all volumes with the Easy Tier function turned on, in a multitiered storage pool, over a
24-hour period.
It then creates an extent migration plan based on this activity, and then dynamically moves high activity (or hot) extents to a higher disk tier within the storage pool.
It also moves extent activity that has dropped off (or cooled) from the high-tiered MDisk back to a lower-tiered MDisk.
C: IBM Spectrum Archive, a member of the IBM Spectrum Storage family, enables direct, intuitive and graphical access to data stored in IBM tape drives and libraries by incorporating the Linear Tape File System (LTFS) format standard for reading, writing and exchanging descriptive metadata on formatted tape cartridges.
References:
http://www.ibm.com/support/knowledgecenter/SS5R93_5.2.10/com.ibm.spectrum.sc.doc/fqz0_r_planning_storwize.html

Question #24
A customer wants to clone a database for use as a test environment.
What feature of IBM Spectrum Control Advanced Edition enables the point-in-time clone to be application consistent?
  1. A
    IBM Copy Services Manager
  2. B
    FlashCopy
  3. C
    IBM Spectrum Protect Snapshot
  4. D
    Volume Mirroring

Correct Answer:
C
The IBM Spectrum Control Advanced Edition licensed program includes application-aware, snapshot-based protection that is offered by IBM Spectrum Protect
Snapshot (formerly known as IBM Tivoli Storage FlashCopy Manager).
Incorrect Answers:
A: Copy Services Manager manages 2-site replication, 3-site replication, and advanced copy services.
References:
http://www.ibm.com/support/knowledgecenter/SS5R93_5.2.8/com.ibm.spectrum.sc.pdf/qstrtscae.pdf

Question #25
How does the IBM Storwize native IP replication provide optimal utilization of the IP network?
  1. A
    It communicates with external WAN Optimization devices to achieve maximum efficiency.
  2. B
    It uses Real-time Compression of data prior to replication.
  3. C
    It uses artificial intelligence and sends multiple parallel streams.
  4. D
    It utilizes intelligent switches in the network to minimize latency.

Correct Answer:
C
The native Internet Protocol (IP) replication feature enables replication between any SVC/Storwize family member running code version 7.2 or higher, using the built-in networking ports of the cluster nodes. Following a recent partnership with IBM, it uses SANslide technology developed by Bridgeworks Limited of
Christchurch, UK. They specialize in products that can bridge storage protocols and accelerate data transfer over long distances.
Adding this technology at each end of a wide area network (WAN) Transmission Control Protocol/Internet Protocol (TCP/IP) link significantly improves the usage of the link. It does this by applying patented Artificial Intelligence (AI) to hide latency normally associated with WANs.
The technology built into the SVC/Storwize code uses TCP/IP latency to its advantage.
Rather than wait for the acknowledgment to come back, it sends more sets of packets across other virtual connections. The number of virtual connections is controlled by the AI engine.
This improves WAN connection use, which results in a data transfer rate approaching full line speed.
References: IBM SAN Volume Controller and Storwize Family Native IP Replication, page 8 http://www.redbooks.ibm.com/redpapers/pdfs/redp5103.pdf

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