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VNX Solutions Design Exam for Technology Architects: E20-324 Exam

  • E20-324 Questions & Answers
  • Exam Code: E20-324
  • Exam Name: VNX Solutions Design Exam for Technology Architects
  • Q & A: 65 Q&As

You are doing performance analysis on a VNX5100 that is configured with three virtual pools. You determine that FAST Cache would benefit overall performance. Why are you unable to configure FAST Cache on the array?
A.    Virtual pools have already been enabled
B.    Cachedmemory needs to be enabled
C.    Cache memory needs to be disabled
D.    Engineering model is required to enable FAST Cache
Answer: B

Your customer is planning to implement RecoverPoint for the local machine. They have several CLARiioN CX-4, two Celerras and a VNX array. They have the following hosts in the environment:
Windows (2003 and 2008), Linux and AIX. They also use VMware. The customer wants to use host-based splitters.
Which version of RecoverPoint should you recommend?
A.    Recover point/SE CRR
B.    Recover point/SE CLR
C.    Recover point
D.    Recover point/SE CDR
Answer: A

A customer wants to add a SnapView snapshot to a 600GB LUN. Captured data indicates that the LUN has an access rate of 1000 IOP’s with a read/write ratio of 4:1 and 8 KiB IOs. What is the escaped initial bandwidth data chunks will be written into the Reversed LUN Pool?
A.    6250 MB/s
B.    12500 MB/s
C.    25000 MB/s
D.    1563 MB/
Answer: B

A customer is considering the VNX to support SQL environment. What storage of the VNX provides the best performance for SQL application?
B.    RAID Groups LUNs
C.    Thin pool LUNs
D.    FAST Cache
Answer: A

Your customer is using the front-end iSCSI ports on their VNX. They are experiencing long delays and reduced bandwidth as they add server to their environment.
Which option will increase the customer’s iSCSI overall bandwidth while maintaining EMC best practices for iSCSI?
A.    Increase the MTU to the maximum iSCSI limit to allow for maximum bandwidth
B.    Increasethe Pause Frames to allow the VNX to process all current I/O before new requests are accepted
C.    Increasethe MTU to the maximum supported size allowed by the host and switch
D.    Enable Delayed ACK to allow the VNX to process the I/O before sending acknowledgement
Answer: C