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Hitachi HITACHI DATA SYSTEMS CERTIFIED EXPERT -REPLICATION SOLUTIONS ARCHITECT Sample Questions:

1. In which situation should Inflow Control be disabled?

A) The customer requires non-replicated transactions to be rejected.
B) The customer's top priority is to maintain application response time
C) The customer has limited journal disk space.
D) The customer's top priority is to maintain continuous replication.

2. A customer has multiple related applications. The replicated LUNs for these applications must be consistent with each other. The customer experiences a link failure.
Which two methods will meet the customer's requirement? (Choose two.)

A) Create multiple consistency groups.
B) Use log shipping to enable roll forward to become consistent.
C) Create a single consistency group for all LUNs.
D) Use Hitachi Universal Replicator with journals to ensure consistency.

3. You are designing a customer's Hitachi Universal Replicator environment. You are determining journal and data volume layout.
Which HDS guideline should be followed?

A) When the customer's write workload is less than 50 percent of the available throughput of journal parity groups, the journal parity groups can be shared with user data.
B) When the customer's write workload is less than 10 percent of the available throughput of journal parity groups, the journal parity groups can be shared with user data.
C) The journal parity groups should not be shared with user data.
D) The journal and user data cannot be located on separate parity groups.

4. A customer has stated several disaster recovery objectives. The acceptable data loss is 4 hours. They must have their systems operational within 7 hours of a disaster. They must also have three copies of the data at the recovery site.
What is the customer's recovery point objective?

A) 3 hours
B) 7 hours
C) 11 hours
D) 4 hours

5. How does distance between sites affect host response time when using asynchronous replication?

A) Host response time decreases with increased distance.
B) Host response time is not affected by increased distance.
C) Host response time is unpredictable with increased distance
D) Host response time increases with increased distance.

Solutions: