Tuesday, June 8, 2021

HH0-300 - Hitachi Data Systems Certified Expert Replication solutions architect Updated Cheat Sheet by Killexams.com

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**** HH0-300 Description | HH0-300 Syllabus | HH0-300 Exam Objectives | HH0-300 Course Outline ****

**** SAMPLE Hitachi Data Systems Certified Expert Replication solutions architect 2021 Dumps ****

Which statement accurately describes RTO?
A. RTO indicates the time required to recover or fail over network operations.
B. RTO describes the age of the data you want the ability to restore in the event of a disaster.
C. RTO is the amount of data which must be restored to the predetermined RPO after an
D. RTO is the period of time after an outage in which the systems and data must be restored
to the RPO
Answer: D
A customer has chosen a low-cost carrier for their telecommunications link that will be used
for replication. The customer expects that infrequent outages may occur. The customer
requires a minimum of one consistent copy at the recovery site at all times. Which two
statements describe the customer’s requirement for remote point-in-time copies? (Choose
A. Point-in-time copies are required with Hitachi Universal Replicator to ensure data
consistency while the journal drains following the outages.
B. Point-in-time copies are required with TrueCopy to ensure data consistency while the
pairs resynchronize following the outages.
C. Point-in-time copies are not required with Hitachi Universal Replicator to ensure data
consistency while the journal drains following the outages.
D. Point-in-time copies are not required with TrueCopy to ensure data consistency while the
pairs resynchronize following the outages.
Answer: B, C
A customer notices poor performance with the ShadowImageS-Vols that reside on an
externalized HUS 150. They have not noticed any problems with internal ShadowImageS-
Vols. Which system option mode (SOM) and setting should you verify?
A. Verily that SOM 459 is off.
B. VerilythatSOM459ison.
C. VeritythatSOM489ison.
D. Verily that SOM 489 is off.
Answer: A
A customer is using ShadowImage(SI) on a Virtual Storage Platform (VSP) for a point-in-
time copy. The SI P-Vol resides in a SAS HDP pool and the SI S-Vol resides in a SATA
HDP pool. During resychronization, the VSP cache write pending hits 60 percent utilization
in CLPRO. What are two ways to reduce the resynchronization impact on host performance?
(Choose two.)
A. Put the SI S-Vols in a separate CLPR.
B. Keep the SI pairs in PAIR state.
C. Run an SI quick split.
D. Run an SI resync during non-peak hours.
Answer: A, D
If write MB/s is unavailable for an application, which three metrics should be used together
to determine write throughput? (Choose three.)
A. Total IOPS
B. Read/write ratio
C. Block size
D. Read IOPS
E. Link latency
Answer: A, B, C
How long is a 2 Gbps Fiber Channel frame in fiber optic cable?
A. 1 km
B. 2 km
C. 3 km
D. 4km
Answer: B
A customer is using Hitachi Universal Replicator (HUR) on a VSP. The customer has an 8
hour replication network outage which exceeds the HUR journal capacity. HUR suspends in
error. What is the status of the HUR S-Vol?
A. The HUR S-Vol is unusable.
B. The HUR S-Vol is usable.
C. HUR requires an initial copy.
D. HUR needs to be reconfigured
Answer: B
What are two HDS recommendations when usingchannel extenders? (Choose two.)
A. Enable compression on the FCIP ports.
B. Use the recovery fabric for channel extension.
C. Use the production fabric for channel extension.
D. Create a zone for each Initiator-RCU Target pair
Answer: A, D
A customer is planning to replicate 36 TB of data using asynchronous replication over 500
miles (805 km) on a VSP. What are two considerations for sizing the expected solution?
(Choose two.)
A. aggregate throughput for parity groups
B. journal disk type
C. TrueCopy Extended Distance pool size
D. number of host storage domains on a host initiator port
Answer: A, B
A customer wants to implement replication between two Virtual Storage Platform (VSP)
arrays that are 20 km apart using FCIP channel extension. Link latency is 15 ms. Current host
response time is 4 ms.The customer wants a low RPO and they must minimize the impact to
host response time. Which replication technology is appropriate?
A. TrueCopy
B. Hitachi Universal Replicator
C. TrueCopy Extended Distance
D. Hitachi Dynamic Replicator
Answer: B
A customer has experienced a disaster and has failed over to their Hitachi Universal
Replicator copies at the secondary site. They have acquired new servers and storage for their
production facility and they are ready to return operations to the production facility as
quickly as possible. Which two fallback procedures apply? (Choose two.)
A. Order devices in the HORCM file from the lowest change rate to the highest change rate.
B. Replication pairs can be suspended to allow changed tracks to be managed using the
C. Perform the initial copy with the -nocopy option to allow operations to resume
D. Initial copy is required from the recovery site back to the production site.
Answer: A, D
A customer has TrueCopy with a single cascaded remote ShadowImagesolution that they
resynchronize every two hours. The customer requires disaster recovery testing to be non-
production and the replication cycle. What should be considered while planning
disruptive to
a disaster recovery test?
A. The cascaded ShadowImagevolumes should remain in pair status.
B. The production applications should be down during disaster recovery testing.
C. A separate dedicated in-system replication copy should be created for disaster recovery
testing purposes.
D. The TrueCopy secondary volumes should be used for disaster recovery testing purposes.
Answer: C
A customer is running two production sites. They are using DWDM links to connect their
sites. The customer wants to extend their SAN between both sites. What are two benefits of
extending their SAN? (Choose two.)
A. It offers high bandwidth for a short to medium distance.
B. It simplifies SAN management.
C. It is a low cost solution.
D. It eliminates the need for FCIP converters.
Answer: A, D
You want to automate disaster recovery site point-in-time copies. Which tool is commonly
used for this task?
A. svp
B. Storage Navigator
C. Device Manager
D. RAID Manager/CCI
Answer: D
A customer is using HUS 150 arrays in two sites 500meters apart. They have 10
GbEconnectivity between the data centers. The customer must set up a clustering solution
with array-based replication requiring data currency. What would meet the customer’s
requirements with no additional hardware?
A. TrueCopy over iSCSI
B. TrueCopy over Fiber Channel
C. TrueCopy Extended Distance over iSCSI
D. TrueCopy Extended Distance over Fiber Channel
Answer: A
A customer has a three data center (3DC) with delta resync configuration running a
TrueCopy link and an HUR link.The primary site fails and they want to fail over to the
TrueCopy secondary site. Which two statements are true? (Choose two.)
A. They must run a horctakeover at the TrueCopy S-Vol site.
B. They must run a horctakeover at the TrueCopy P-Vol site.
C. An initial copy of the HUR delta resync must be performed.
D. An initial copy of the HUR delta resync is not required.
Answer: A, D

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