D-VPX-DY-A-24 試験問題と解答 - 模擬練習 - 練習問題・模擬試験

Question No : 1
What components are required to create a storage view?

A.One or more BE ports; One or more devices; Metadata volume and Logging Volumes
B.One or more Host Initiators; One or more Virtual Volumes; One or more FE ports
C.One or more FE ports; One or more BE ports; One or more Virtual Volumes
D.One or more Host Initiators; One or more extents; One or more BE ports

正解:

Question No : 2
A customer is moving some VMAX devices under a VPLEX Local and is using PowerPath as multipath software.
What is the SCSI product ID assigned to VPLEX volumes?

A.Invista
B.VPLEX
C.PowerPath
D.VMAX

正解:

Question No : 3
A new VPLEX cluster has been configured. However, you are unable to register any host initiators. After verifying that the host has been properly zoned to the VPLEX cluster, you still cannot register them. What is a possible cause?

A.Front end ports have not been enabled.
B.Back-end ports have not been enabled.
C.Back-end arrays have not presented any LUNs.
D.Storage View for host has not been created.

正解:

Question No : 4
You created a synchronous consistency group, which contains two distributed volumes configured with the rule "set cluster-1-detaches".
What is the expected behavior of the virtual volumes in the event of a WAN-COM failure?

A.cluster-2 is declared the winner after 5 seconds and I/O will continue at that cluster.
B.I/O will continue at both clusters.
C.I/O will be suspended at both clusters until the WAN-COM is repaired.
D.cluster-1 is declared the winner after 5 seconds and I/O will continue at that cluster.

正解:

Question No : 5
You are preparing to migrate the topology of an installed VPLEX Local system. What is a supported upgrade path?

A.Local to Geo to Global
B.Local to Metro
C.Local to Global
D.Local to Metro to Geo

正解:

Question No : 6
Which command script must be executed when upgrading a small VPLEX to medium VPLEX?

A.VPlexadmin add-engines
B.director add
C.VPlexadmin set
D.VPlexadmin add-directors

正解:

Question No : 7
What is the purpose of the I/O Module Upgrade Script?

A.To manage the I/O module change during a Metro to Geo topology upgrade.
B.To install the I/O load balancer module on the Management Server.
C.To configure the GbE I/O modules when installing VPLEX Geo.
D.To automate the installation of I/O modules and configuration of the directors.

正解:

Question No : 8
You are planning to perform a topology upgrade of VPLEX Local to VPLEX Metro.
What is the process you should follow to complete the upgrade successfully?

A.1. Upgrade the existing cluster Run the I/O module upgrade script Cable the WAN COM connections Register the cluster Configure the new cluster
B.1. Run the I/O module upgrade script Cable the WAN COM connections Upgrade the existing cluster Configure the new cluster Register the cluster
C.1. Upgrade the existing cluster Register the cluster Configure the new cluster Run the I/O module upgrade script Cable the WAN COM connections
D.1. Cable the WAN COM connections Run the I/O module upgrade script Configure the new cluster Register the cluster Upgrade the cluster

正解:

Question No : 9
You are doing a code upgrade on a VPLEX. In which directory do you put the upgrade files in order to execute the code upgrade?

A./tmp/vfs
B./diags/collect-diagnostics-out
C./tmp/VPlexInstallPackages
D./tmp/diags

正解:

Question No : 10
VPLEX ndu pre-check command reports a time drift between directors and the Management Server. How must the NDU be performed?

A.The NDU cannot be started. the time drift must be resolved.
B.The NDU can be started using --skip-confirmations option.
C.The NDU can be started. the time drift will be automatically fixed during upgrade.
D.The NDU must be started using the --force option.

正解:

Question No : 11
How do you verify that the VPLEX upgrade has completed successfully?

A.Log into the VPLEX Unisphere interface.
B.Run the cluster-summary command.
C.Check that the system LED is green on each director.
D.Run the ndu pre-check command.

正解:

Question No : 12
You have attempted to upgrade a VPLEX system to the latest Geosynchrony code. During the upgrade, an error appeared and caused the upgrade to fail.
Which file should you review to gather more information about the failure?

A.firmware.log_<date>
B.session.log
C.VPlexconfiguration-session.txt
D.ndu-pre-check-stderr.txt

正解:

Question No : 13
Which vplexcli command will ensure that the directors SSD firmware has been upgraded to the correct version after the VPLEX NDU ?

A.director firmware show-banks
B.version Ca
C.version -a --verbose
D.ll /**/internal-disks/*

正解:

Question No : 14
A customer is verifying the host environment before scheduling a VPLEX NDU. According to EMC best practices, which PowerPath load-balancing policy is applied by default to all platforms?

A.Adaptive
B.RoundRobin
C.LeastIO
D.StreamIO

正解:

Question No : 15
During ndu pre-check, a partner found that metadata-backup is not working. In addition, metadatabackup volume components have been renamed.
How can the problem be resolved?

A.Provision two new metadata volumes Re-run configuration metadata-backup
B.Meta-volume destroy the actual metadata_backup Re-run configuration metadata-backup unclaimmetadata_backup
C.unclaimmetadata_backup Re-run configuration metadata-backup
D.Meta-volume destroy the actual metadata_backup schedule remove actual backup job unclaimmetadata_backup re-run configuration metadata-backup

正解:

DELL EMC D-VPX-DY-A-24 問題練習