Dell EMC E20-562 Exam Questions
Questions for the E20-562 were updated on : Nov 26 ,2024
Page 1 out of 5. Viewing questions 1-15 out of 66
Question 1
Which protocol does the service laptop use to communicate with and maintain an EMC VPLEX
environment?
- A. SSH
- B. SNMP
- C. Telnet
- D. UDP
Answer:
D
Question 2
What condition would prevent volume expansion?
- A. Migration occurring on the volume
- B. Volume not belonging to a consistency group
- C. Metadata volume being backed up
- D. Logging volume in re-synchronization state
Answer:
A
Question 3
A storage administrator wants to view additional performance metrics for their VPLEX cluster. The
administrator runs the report create-monitors command to help with this task.
- A. Disks, ports, and volumes
- B. Disks, volumes, and hosts
- C. Disks, storage views, and ports
- D. Disks, initiators, and storage volumes
Answer:
A
Question 4
What is required before a host can detect the virtual volumes presented by the VPLEX?
- A. Virtual volumes can only be detected after a reboot
- B. RAID configuration must be enabled for Virtual volumes
- C. EZ Provisioning wizard must be run on the host
- D. Host must initiate a bus-scan of the HBAs
Answer:
D
Question 5
What is a consideration for using a VPLEX logging volume?
- A. Must be created on each VPLEX cluster before creating a distributed device
- B. Automatically provisioned at each VPLEX cluster when the distributed device is created
- C. A distributed device must be created before a logging volume can be created
- D. VIAS can be used to create a logging volume at each cluster
Answer:
A
Question 6
Using the Storage Volume expansion method for virtual volumes built on RAID-1 or distributed RAID-
1 devices, what is the maximum number of initialization processes that can run concurrently, per
cluster?
- A. 100
- B. 250
- C. 500
- D. 1000
Answer:
D
Question 7
Which type of volumes has individual synchronized copies of data (mirrors) in more than one cluster?
- A. Distributed device
- B. Extent
- C. Storage volume
- D. Virtual volume
Answer:
D
Question 8
Which type of statistics is used to track latencies, determine median, mode, percentiles, minimums,
and maximums?
- A. Buckets
- B. Monitors
- C. Readings
- D. Counters
Answer:
A
Question 9
What steps are performed during extent and device migration?
- A. Start, commit, clean, and remove
- B. Start, commit, clean, and terminate
- C. Create, commit, clean, and terminate
- D. Create, clean, commit, and remove
Answer:
C
Question 10
What can be used to monitor VPLEX performance parameters?
- A. VPLEX Cluster Witness
- B. Unisphere Performance Monitor Dashboard
- C. EMC SolVe Desktop
- D. EMCREPORTS utility
Answer:
B
Question 11
What are the two common use cases of the VPLEX Mobility feature?
- A. NDU upgradesContinuous Data Protection
- B. Workload RebalanceDeduplication
- C. Workflow AutomationTech Refresh
- D. Tech RefreshWorkload Rebalance
Answer:
D
Question 12
At which stage of configuring a virtual volume on VPLEX is the RAID level defined?
- A. Claimed volume
- B. Device
- C. Storage volume
- D. Extent
Answer:
C
Question 13
In addition to Active Directory, which other directory service can VPLEX integrate with for user
authentication?
- A. LDAP
- B. NIS
- C. NDS
- D. PAM
Answer:
A
Question 14
Refer to the exhibit.
A virtual volume created on a distributed device is experiencing performance problems. The virtual
volume is in a storage view in Cluster-1.
What could be the issue?
- A. There is storage volume contention on Cluster-2
- B. A WAN COM failure has occurred
- C. Distributed device I/O is exceeding WAN COM bandwidth
- D. Device mobility jobs are moving data across the WAN COM
Answer:
C
Question 15
LUNs belonging to an ESXi cluster were encapsulated behind VPLEX. What information must be
shared with the ESXi administrator so that they can re-discover the datastore and the RDM LUNs?
- A. Virtual volume VPD
- B. UUID of back-end LUN
- C. VML ID
- D. WWN: WWPN
Answer:
D