E20-545 Online Practice Questions and Answers

You are supporting a customer whose VNX hostname has recently changed. Immediately after this change, the VNX administrators begin to receive certificate errors when they attempt to connect to the array. You need to advise them on how to regenerate the Control Station's certificate authority and web server certificates.

Which command should be used?

A. server_certificate

B. server_security

C. nas_ca_certificate

D. nas_license

What is the length of RSA keys used to encrypt and decrypt network traffic in a VNX environment?

A. 2048 bits

B. 1024 bits

C. 2048 bytes

D. 1024 bytes

You have a thin LUN in a RAID 5 pool. What will be the result of moving this LUN to a RAID 1/0 VP pool?

A. The thin LUN will be fully provisioned.

B. The operation will fail; you cannot migrate between VP pools.

C. Only the consumed space is copied.

D. After the migration you will have a fully provisioned thick LUN.

In what chunk size does the Fast VP Scheduler move data between tiers for a LUN?

A. 1 GB

B. 64 KB

C. 8 KB

D. 648 MB

A customer has created a pool with a Flash tier, a SAS tier and a NL SAS tier. The customer notices that there has been no data movement between the tiers after 24 hours. What would account for this behavior?

A. FAST has not been enabled.

B. Statistics logging has not been enabled.

C. The SAS tier is under 90 percent capacity.

D. The Flash tier is over 90 percent capacity.

Which feature of VSI can be used for block storage on a VNX?

A. Extend storage

B. Deduplication/Compression

C. Provision storage

D. VM clones with View

What Windows component runs a supported time service for a CIFS server by default?

A. Domain controller

B. DHCP

C. DNS

D. Kerberos

During the design phase, an administrator asks you which type of automatic iSCSI device discovery is supported by Celerra. What is your response?

A. Internet Storage Name Service

B. Challenge Handshake Authentication Protocol

C. Network Address Authority

D. iSCSI LUN masking

How can Access Logix best be described?

A. Enabled when each SP boots Can prevent hosts from reading LUNs from unrelated hosts

B. Licensed feature that enables hosts to access data Maps LUNs to certain SP ports

C. Maps LUNs to certain SP ports Can prevent hosts from writing to LUNs from unrelated hosts

D. Factory installed feature that cannot be disabled Provides a masking view for hosts using SP ports and LUNs

A customer is planning to add a new VNX array to their ESXi environment. What VMware feature can provide hardware acceleration?

A. VAAI

B. VASA

C. vMotion

D. VSA

From Unisphere, a Storage Administrator created an NFS export and alerted a user that the exported file system was ready to be mounted. The user was able to access the export but was not able to write to the export.

Which step would likely resolve the issue?

A. Ensure the host IP is entered into the correct NFS export host table.

B. Ensure the server is rebooted after the NFS export is presented.

C. Ensure the NFS export is correctly identified and mounted.

D. Ensure firewall rules do not block access to the NFS export from the host.

A customer requires antivirus checking in their VNX for File implementation. They are planning to configure CIFS servers in multiple domains, using VDMs to host the CIFS servers. They want to know how many additional CIFS servers and VDMs should be created to accommodate CAVA in their design.

What should you tell them?

A. One CIFS server for CAVA per physical Data Mover

B. One CIFS server for CAVA per virtual Data Mover

C. One VDM for CAVA to service the entire VNX

D. One VDM for CAVA per Active Directory Domain

In RecoverPoint, at what level can bandwidth limits be set?

A. Consistency Group

B. RecoverPoint Appliance

C. Replicated LUN

D. Journal Volume

Which replication technologies are supported by AppSync?

A. RecoverPoint and SnapView Snapshots

B. SnapView Snapshots and MirrorView

C. VNX Snapshots and RecoverPoint

D. TimeFinder/Snap and SRDF

A VNX storage system is being deployed to replace an existing third-party block storage system. Which remote replication technology should be used to migrate the existing data to the new VNX?

A. SAN Copy

B. MirrorView/A

C. MirrorView/S

D. CTA