EMC Technology Foundations E20-816 Braindumps

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EMC E20-816 Exam Syllabus Topics:

EMC Symmetrix Solutions Expert Exam for Technology Architects Sample Questions:

1. Which data protection benefit does Symmetrix Service Credential provide?

A) Maintains SRDF data-in-flight protection
B) Provides service connection encryption
C) Provides user host connection authentication
D) Maintains protection during maintenance operations

2. An existing 2-engine VMAX array has 192 x 450GB 15K Fibre Channel drives in a single Virtual Provisioning pool. Two Linux database hosts are connected to the array and both are running PowerPath.
Host oradb01 is connected to the E0 FA ports on each director and is meeting the customer performance SLA. Host oradb02 is connected to the G0 FA ports on each director - and for the past 3 days this host has been experiencing poor performance during peak activity in the afternoons.
What steps do you take to identify likely bottlenecks?

A) Check the host for queued I/Os, use SPA to examine I/O size and utilization on the G0 FA ports
B) Use SMC to check for Virtual Pool alerts, use SPA to measure drive response times
C) Open a case with EMC Support and upload Oracle Statspack information
D) Run iostat -x in order to compare I/O size and read/write ratio of the two hosts

3. During monthly loads of a data warehouse, the customer observes significant increased response time on their OLTP database. Both applications reside on the same tier-1 storage and are replicated using the same SRDF/S links. During these high utilization periods, which tool can be used to give preference to servicing the OLTP database I/O?

A) Delta Set Extensions
B) Symm Optimizer
C) Symmetrix Priority Controls
D) SymQOS

4. A new EMC customer recently installed their first VMAX and a complete suite of EMC management tools. Their lead capacity planner attended training and has started monitoring the VMAX. You receive a call and this person describes the measurements observed. During the period of heaviest workload, reported I/O rates on certain Fibre Channel ports is nearing 2,000/second but those ports only display about 10% utilization. What is the likely cause?

A) Striped metavolumes report invalid IOPS
B) Sequential prefetch skews throughput %
C) I/O block size is very large
D) I/O block size is very small

5. A company is considering different options in the storage placement of a VMware vSphere
5.0 swap file. When considering placement options, what type of storage would vMotion performance be reduced via the placement of the swap file in that location?

A) SAS drives utilizing FC
B) SAS Drives utilizing NFS
C) SAS drives utilizing iSCSI
D) SAS Drives on Local Storage

Solutions: