E20-545 Exam Questions

You are proposing a storage solution using a VNX system. What will you tell the storage administrator about the default setting for VNX IP address filtering?

Which protocol does VNX support for encrypted network management activities?

In order to ensure that role-based access is enforced, the VNX storage domain has implemented two administrative groups called Auditors and Storage Admins. One of the administrator...

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 t...

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

What command produces audit summaries for the Control Station?

What is a valid statement about the characteristics of certificates on the VNX system?

When generating a Certificate Signing Request (CSR), what is a valid statement about the certificate?

What monitoring option is used to generate file-related notifications based on a user-defined threshold?

What monitoring option is used for file system and network performance?

What are the available Usermapper roles?

According to EMC best practices, how many secondary Usermappers are recommended in a multiple VNX array environment?

Which RAID type can be expanded?

Which drive type benefits least from enabling FAST Cache?

When using the provisioning wizard, how many RAID group options are available?

A customer has a fragmented RAID group. The customer asks you what setting to select to defragment the RAID group as quickly as possible. What do you recommend?

A customer has a requirement to create a LUN whose workload is spread across many drives and has no capacity overhead beyond what the RAID type requires. Which type of LUN should t...

What is the slice size for a LUN in a storage pool?

A customer is concerned with the time it takes to expand a metaLUN. Currently the customer has a striped metaLUN composed of five components, and wants to expand it quickly while s...

What is the minimum recommended number of disks in a RAID 5 group when using metaLUN?

You have just completed expanding a 20 GB LUN to a 40 GB stripe metaLUN for a Windows 2003 system. What Windows tool needs to be run to allow the host system to use the new allocat...

The customer will be configuring metaLUNs for their application. The application requires the most predictable performance. Which type of metaLUN do you recommend?

You are preparing to use LUN migration to move a pool LUN to a traditional RAID group LUN. What effect will this migration have on the applications running on the host?

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?

What is the default data relocation duration for the FAST VP Scheduler?

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

How many FAST VP schedules can exist for storage pools on a VNX system?

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 woul...

Refer to the exhibit. After installing the FAST Cache enabler a user selects the properties of an existing LUN. Why is FAST Cache not enabled on this LUN?

A customer wants to write a script that needs to list all linked remote VNX arrays for file-based replication. What CLI command should you recommend?

Your customer has established a new virtual pool of storage containing NL-SAS drives in a RAID 5 configuration. Recently they have noticed that performance on the entire array is a...

A customer would like to create multiple striped metaLUNs. What EMC best practice do you recommend?

Refer to the exhibit. What is this an example of?

When the Access Logix database is licensed and enabled, where will it be cached?

A customer logs in to Unisphere as an administrator and tries to delete a storage group, but is unable to do so. What must the customer do to delete this storage group?

A customer wants to dedicate a VNX to a single host. That host needs to see all LUNs on the storage system. How can this be accomplished?

A customer has requested to have Access Logix disabled on a VNX array. How would you accomplish this?

Which LAN configuration is recommended for an iSCSI network on the VNX?

Which feature does PowerPath iSCSI for Windows support?

A customer has one host attached to each SP on a VNX. SP A owns LUNs 100 and 101, which run critical applications. The customer notices that SP A has experienced a back-end failure...

A Windows host with PowerPath installed is connected to a VNX storage array with iSCSI. What is the maximum number of paths supported on this host?

A host in the data center will be connected with iSCSI to a VNX storage array located 110 meters from the server. Which kind of network cable should be used?

One of the host's HBAs has experienced a registered state change notification (RSCN), and was required to log in to the fabric again. However, the application experienced only mini...

What action should be done to align data to LUN structure on a Windows 2008 raw disk?

You have just allocated new volumes to your Windows 2003 host and were informed that you need to align the disk to prevent performance issues. What tool should you use to align the...

A customer is experiencing performance issues after creating SnapView snapshots of existing Windows 2008 data LUNs. What is one possible reason for these performance issues?

You are carving LUNs on your VNX to attach to your Windows hosts. According to EMC best practice, what is the recommended element size on the LUNs?

On a Windows host with Emulex HBAs installed, which tool is used to view target WWPNs?

Unified Storage Management in VSI for VMware vSphere has which available features?

A VM guest on an ESX host requires direct access to a LUN. Which mechanism enables this?