e20-820 Exam
CLARiiON Solutions Expert Exam for Technology Architects
- Exam Number/Code : e20-820
- Exam Name : CLARiiON Solutions Expert Exam for Technology Architects
- Questions and Answers : 154 Q&As
- Update Time: 2013-04-05
- Price:
$ 119.00$ 69.00 
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Exam : EMC E20-820
Title : CLARiiON Solutions Expert Exam for Technology Architects
1. The ET Tool validates which component of a Business Continuance design?
A. Cache utilization
B. Data change activity
C. Link latency
D. SP utilization
Answer: B
2. Which tool will allow you to best determine a Windows server's performance?
A. diskpart
B. navseccli
C. perfmon
D. sar
Answer: C
3. What are the requirements that must be met when collecting data that will be used as input for the ET Tool in an environment that is evaluating for MirrorView/A?
A. I/O to the LUNs should be stopped until the collecting of the data has started.
B. The update cycle must be an integer multiple of the collection interval.
C. The update cycle should be set for a 10-minute interval at maximum.
D. The update cycle should be set for a five-minute interval at maximum.
Answer: B
4. A user fractures a clone and presents it to a secondary host. However, the data on the clone LUN does not contain the same data as the production host at the time of the fracture. What is the most likely cause?
A. The application and file system buffers on the production host were not flushed prior to the fracture.
B. The appropriate file system repair utilities on the production host were not performed prior to the fracture.
C. The Consistent Fracture feature was not enabled on the source LUN.
D. The file system on the production host must be unmounted prior to the fracture.
Answer: A
5. You are designing a CLARiiON disaster recovery environment for your customer. You want to accurately model and calculate the following based on the customer's input data and/or EMC Performance Data:
Bandwidth requirements (physical links)
Performance impacts at the logical volume level
Recovery point objectives
Which tool would best help you to accomplish this?
A. ET Tool
B. LOR Tool
C. Navisphere Analyzer
D. NSD
Answer: A
6. There are several decisions that need to be made when designing a Business Continuity Solution. What is one of the decision requirements for a good solution?
A. All decisions should be calculated and derived from customer data
B. Create specific device lists for modeling tools
C. Industry standards and algorithms should be closely adhered to
D. Provide customer with a standardized approach to Business Continuity
Answer: A
7. Your customer is using SnapView to provide backup images (snaps and clones) of various host data across five CX3-40s. Recently they upgraded the CLARiiONs to FLARE release 26. Previously their scripts took care of the SnapView snap sessions and clone re-syncing, and ran without incident in the SnapView environment. Those same scripts now fail, with errors that the customer is saying are related to permissions.
What is the cause of the failure?
A. The agent.config file does not exist in the Navisphere Agent directory.
B. The agent.config file does not exist in the Navisphere CLI directory.
C. The Navisphere security file does not exist in the user home directory.
D. The usernames and hostnames do not appear in the CLARiiON SP privileged user list.
Answer: C
8. The ET Wizard can be used to model which products?
A. MirrorView, Open Replicator, Replication Manager
B. MirrorView, RecoverPoint, SRDF
C. MirrorView, RepliStor, SRDF
D. SAN Copy, SRDF, MirrorView
Answer: B
9. Your customer has come to you with concerns. They have increased their replication bandwidth from OC-3 to OC-12 and wonder what will happen to their recovery point objectives. What would your response be?
A. RPO will compensate and balance RTO
B. RPO will decrease
C. RPO will increase
D. Time objective will remain consistent
Answer: B
10. You have been asked to produce a local replication design for the company. What are the basic types of information you need to gather before beginning your task?
A. Inventory of hardware infrastructure, service level agreements, number of users
B. Operational flow and objectives of each department
C. Performance and workloads, availability, consistency
D. Process for bringing applications online, fault detection resources, network infrastructure
Answer: C
11. A customer wishes to make a local copy of its 512 GB production LUN for a single test. The copy will be mounted to the production UNIX host. The customer requires a solution with minimal disruption to its application.
What do you recommend?
A. Create a snapshot of the production LUN, and start a session. Add the session to the production host's storage group. Change the volume label and mount.
B. Clone the production LUN. Fracture the clone. Add the clone to the production host's storage group. Change the volume label and mount.
C. Take the production LUN offline. Perform a full SAN Copy. Add the destination LUN to the production host's storage group, and restart the application.
D. Use an Incremental SAN Copy session on the production LUN. Add the destination LUN to the production host's storage group. Mount the volume.
Answer: B
12. Which tool will let you best determine disk utilization of a UNIX server?
A. diskpar
B. iostat
C. navcli
D. netstat
Answer: B
13. Which EMC products require a post-sales solution review by the EMC Solutions Validation Center (SVC)?
A. EDL Replication, Open Replicator, and EmailXtender
B. EDL Replication, SRDF/A, and RepliStor
C. SRDF/A, Open Migrator, and MirrorView/A
D. SRDF/A, RecoverPoint, and MirrorView/A
Answer: D
14. A customer with a CX3-20f has recently started using SnapView snapshots and immediately noticed an increase in write response times on the LUNs being snapped.
What should be the long-term write response time impact of the active snapshot sessions?
A. The impact will decrease over time.
B. The impact will fluctuate, decrease then increase over time.
C. The impact will increase over time.
D. The impact will stay the same over time.
Answer: A
