E20-562 Online Practice Questions and Answers

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

Why is it EMC best practice that each back-end LUN has a connection to all the A-directors and to all the B-directors in the VPLEX cluster?

A. Prevents data unavailability during a non-disruptive upgrade

B. Reduces the number of ITLs

C. Ensures writes are mirrored on director local cache

D. Optimizes global read cache

What are characteristics of a storage view?

A. An initiator can be in multiple storage views VPLEX FE port can only be in one storage view Each initiator and FE port pair can only be in one storage view

B. An initiator can only be in one storage view VPLEX FE port can be in multiple storage views Each initiator and FE port pair can be in different storage views

C. An initiator can only be in multiple storage view VPLEX FE port can be in multiple storage views Each initiator and FE port pair must be in different storage views

D. An initiator can be in multiple storage views VPLEX FE port can be in multiple storage views Each initiator and FE port pair can only be in one storage view

What is a feature of GeoSynchrony 6.0 with respect to service account login to the VPlexcli?

A. Service account requires authentication to the Linux shell VPlexcli requires an RSA token

B. Service account requires no authentication to the Linux shell VPlexcli requires certificate authority

C. Service account requires no authentication to the Linux shell VPlexcli requires authentication through LDAP

D. Service account requires authentication only to the Linux shell VPlexcli does not require an extra authentication step

Which command can be used to create a distributed virtual volume from specified storage volumes?

A. storage-tool compose

B. ds dd create

C. virtual- volume create

D. storage-volume compose

Which type of VPLEX statistic provides an instantaneous value that displays CPU utilization and memory utilization?

A. Buckets

B. Counters

C. Readings

D. Journal Lag

A new VPLEX system has been installed that uses ESRS. The firewall administrator has opened ports 25, 9010, and 5901 between VPLEX and ESRS. A support ticket is logged. While trying to troubleshoot, the technical support engineer cannot access the GUI of VPLEX.

Which port needs to be opened on the firewall?

A. 21

B. 443

C. 3268

D. 8080

Which mobility operation must be used to perform storage volume defragmentation?

A. Virtual volume mobility

B. Data mobility

C. Device mobility

D. Extent mobility

In preparing a host to access its storage from VPLEX, what is considered a best practice when zoning?

A. Ports on host HBA should be zoned to either an A director or a B director.

B. Each host should have at least one path to an A director and at least one path to a B director on each fabric, for a total of four logical paths.

C. Dual fabrics should be merged into a single fabric to ensure all zones are in a single zoneset.

D. Each host should have either one path to an A director or one path to a B director on each fabric, for a minimum of two logical paths.

Which number in the exhibit highlights the Director-B front-end ports?

A. 1

B. 2

C. 3

D. 4