Hitachi HDS Certified Implmenter-Modular 認定 HH0-220 試験問題:

1. A customer wants to create a multi-path environment for a specific Redhat Linux application on a Hitachi Unified Storage system. They have created Host Groups on all of the available ports and mapped the logical units accordingly. Which two multi-pathing options can be used for active/active connectivity? (Choose two.)

A) Multiplexed I/O (MPxIO)
B) Device Mapper
C) Hitachi Dynamic Link Manager
D) Multipath I/O (MPIO)

2. Which two statements relating to Storage Navigator Modular 2 (SNM2) are correct? (Choose two.)

A) SNM2 uses out-of-band communication to administer the system and in-band communication to manage replication.
B) SNM2 allows you to change the IP address and port number used to communicate with the system.
C) SNM2 can be used to define the Command Devices and the Differential Management LUNs needed by replication software.
D) SNM2 issues SNMP alerts for failed components within the system.

3. Which two alerts does Hitachi Dynamic Provisioning issue when DP-Pool capacity usage thresholds are exceeded on a Hitachi Unified Storage system? (Choose two.)

A) Exceeding Alert
B) Early Alert
C) Over Provisioning Alert
D) Depletion Alert

4. A storage administrator would like to connect 10 hosts into the same FC ports of a Hitachi Unified Storage system. They are concerned that one host with high I/Os will impact the other hosts on the same FC ports. Which HBA parameter should be set to limit the number of outstanding I/Os on each host?

A) queue length
B) command depth
C) queue depth
D) command length

5. You have set Extended Round Robin on a server with intensive sequential I/O profile. Which two benefits result from implementing this algorithm? (Choose two.)

A) no tracks preloading on the system
B) blocks held permanent in Read Cache
C) efficient cache usage on the storage system
D) tracks preloaded to cache

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