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EMC E20-816 Exam Syllabus Topics:

EMC Symmetrix Solutions Expert Exam for Technology Architects Sample Questions:

1. Refer to the exhibit.

When Concurrent SRDF/Star is enabled, what is the purpose of the two SDDF sessions at Site B?

A) Create an invalid track table that must be resolved during synchronization between Sites A and B
B) Identify tracks owed by Site B devices to Site A devices in the event of link failure
C) Resolve track differences between Sites B and C after the failure of source Site A
D) Identify tracks owed by Site C devices to Site A devices in the event of link failure

2. Refer to the exhibit.

A customer has a three-site configuration, where Site-A is running critical production applications, Site-B receives data from Site-A in SRDF/S mode and is used exclusively for disaster recovery. Site-C is a new location designed to receive data from Site-B using Cascaded SRDF. During the initial establish of data between Site-B and Site-C, significant performance issues were encountered at Site-A. What action should be taken to improve Site-A performance?

A) Use SRDF/acp_dsk mode from Site-A to Site-B
B) Use different RF-ports on Site-C
C) Use SRDF/S mode from Site-B to Site-C
D) Use separate RF-ports between Site-B and Site-C

3. You are designing a Symmetrix VMAX array with 15K rpm Fibre Channel drives and 7.2K rpm SATA drives. How can you ensure that every back-end director manages just one type of drive?

A) Connect drives of just one type to each front-end director
B) Load drives of just one type in each bay
C) Connect drives of just one type to each engine
D) Load drives of just one type in each disk array enclosure

4. Click on the calculator icon in the upper left corner. A customer would like to add a new database application to their VMAX. This application is expected to produce 3000 I/O per second with 45% read hit and 25% write. The customer expects to use RAID 5 (3+1) on new drives that are not yet utilized. These drives perform 100 SCSI commands per second (read/writes) at 100% utilization.
Assuming drive utilization should not exceed 70%, how many physical drives, excluding hot spares, does the customer need to achieve performance requirements?

A) 68 disks
B) 48 disks
C) 32 disks
D) 56 disks

5. A customer is implementing Replication Manager to create local clone replicas of their SQL database on their VMAX array. The customer is concerned the RM replica jobs may run for an extended period of time and could cause resource conflicts with other production applications. How can the customer best minimize the impact of the RM replica jobs on the array?

A) Stagger the replica jobs and run them during off-peak hours.
B) Run the replica jobs simultaneously and during peak hours.
C) Stagger the replica jobs and run them during peak hours.
D) Run the replica jobs simultaneously and during off-peak hours.

Solutions: