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EMC E20-616 Exam -

Free E20-616 Sample Questions:

1. Click the exhibit button.

You are viewing the rear of a Symmetrix DMX22000/3000 Card Cage. Where will you find ECM1?
A. 1
B. 2
C. 3
D. 4
Answer: B

2. A DMX-2 memory configuration containing four (4) memory boards is to be upgraded to larger size cache boards. The upgrade results in a two (2) memory board configuration. How will the bandwidth of the DMX-2 be affected by the upgrade?
A. Decreased by the smaller cache card count
B. Increased by the larger memory size
C. Unchanged, only memory size is affected
D. Will remain at the theoretical maximum
Answer: B

3. What is a major difference in director data flow between the Symmetrix 8000 series and a DMX-2?
A. An 8430 uses loop redundancy
B. An 8530's directors are connected to two data busses
C. Directors in a DMX-2 are connected to top high and bottom low
D. DMX-2 port bypass cards are connected directly to cache
Answer: B

4. What is a difference between a Symmetrix 8830 and a DMX-2?
A. An 8830 24-slot card cage is scalable
B. Disks on a DMX-2 are FC-AL
C. DMX-2 uses a cache interconnect multi-drop bus
D. Maximum system bandwidth on an 8830 is 16Gb/s
Answer: B

5. When will a customer's host be able to access the data on a BCV?
A. After the BCV is established
B. After the BCV is split
C. When the BCV is created in the Bin
D. While the BCV is syncing with the data volume
Answer: B

6. When is the relationship between a data volume and a BCV created?
A. When the BCV is created in the bin file
B. When the BCV is established
C. When the BCV is split
D. When the BCV is varied on
Answer: B

7. When looking at the DMX FA Back Adapter, you notice that one of the SFPs is blue. What does this mean?
A. Long wave, multi mode port
B. Long wave, single mode port
C. Short wave, multi mode port
D. Short wave, single mode port
Answer: B

8. Click the exhibit button.

You are viewing the rear of the DMX1000 card cage. Which card is ECM1?
A. A
B. B
C. C
D. D
Answer: B

9. Click the exhibit button.

You are viewing the rear of the DMX1000 card cage. Which card is CCM0?
A. A
B. B
C. C
D. D
Answer: D

10. What does the Interleave Service Policy manage during a read operation?
A. Reads the tracks from M1 and M2 randomly
B. Reads the tracks from M1 and M2 alternatively
C. Reads the tracks only from M1
D. Tracks measurements of I/O on logical volumes and chooses the appropriate mirror
Answer: B

11. Which component of a DMX-2 performs Front End, director-to-director communications?
Answer: A

12. Click the exhibit button.

The customer has handed you this service alert error message. What is the error?
A. Alarm signal set
B. PC failed to call home due to communication problems
C. Temperature problems
D. Mirror device is not ready at time of periodic test
Answer: D

13. A service processor fails to communicate with directors 1 through 8 in the DMX-2 series.
Which component can cause this failure?
Answer: A

14. A customer's AC power fails to a Symmetrix 8430/8530. In this case, which components will the battery subsystem sustain?
A. Card cage and disks
B. Communication cards and service processors
C. Disk drives and memory
D. Memory cards and service processor
Answer: A

15. A customer wants to change Host Directors to support SRDF.What distinguishes one director type from another within a Symmetrix 8000 series?
A. Director model number
B. Director revision
C. Emulation code
D. Enginuity code level
Answer: C

16. A customer wants to set up an FA port for a 10km distance connection. Which optic mode will meet the customer's need?
A. Long wave, Fibre Multi Mode port
B. Long wave, Fibre Single Mode port
C. Short wave, Fibre Multi Mode port
D. Short wave, Fibre Single Mode port
Answer: B

17. All the memory slots in a DMX-1000 are occupied. In this case, what is run from the procedure Wizard to perform Memory Replacement?
A. Add Memory Board script to the Universal slot script, run Replace Memory Board Script, and replace that board
B. Remove Memory Board script first and then Add Memory Board Script
C. Replace Memory Board script
D. Upgrade Memory Board script
Answer: B

18. On a DMX1000P, how many DAs are required?
A. 2
B. 4
C. 6
D. 8
Answer: B

19. Which type of Symmetrix volume contains information on the dynamic mirror policy decisions, error logging, event traces, code image storage, and a dedicated lost write area?
B. Data
Answer: D

20. How is DPR enabled?
A. By the EMC z/OS Storage Manager
B. In the bin file
C. Inlines Command
D. On the host by z/OS
Answer: B

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