E20-885 Exam Questions

When setting up an AVM created file system, the storage administrator set the "is_greedy" option. When they look at the underlying structure of the newly created file system, they...

When creating a clone, what size must the clone be when compared to source LUN?

Six months ago, you implemented an SQL 2008 database and followed EMC best practices for sizing and layout. The database is now experiencing performance slowdowns. You configure Pe...

An EMC VNX is enabled for FAST Cache using four 200 GB Flash drives. Ten additional Flash drives are available for SQL databases. Which SQL database object would be best suited to...

An EMC VNX with FAST Suite will be used as block storage for a mail environment with four Exchange 2010 servers. The Exchange servers will serve as mailbox and archive mailbox serv...

A customer plans to add a new LUN to a Windows 2003 server. They are aware that LUN disk crossing will affect performance. Which procedure can significantly reduce LUN disk crossin...

A VNX customer has a production read-intensive Oracle environment that requires immediate access for end-user reporting. Which EMC replication application meets the customer's busi...

A customer is implementing an Etherchannel environment. They are concerned about the how the VNX will handle the traffic load distribution. What is used by VNX to distribute the tr...

A customer plans migrate several Exchange 2010 databases to a new RAID 5 storage pool on an EMC VNX. The VNX has the FAST Cache and FAST VP enablers installed. Exchange 2010 is ins...

Exchange 2010 has been installed on a virtual machine using RDMs in physical mode. What best practice should be followed when using Replication Manager with Exchange 2010?

An implementation engineer installs a DR solution to protect ten CIFS servers at site A. VNX Replicator will be used to replicate these servers and their shares from Site A to Site...

A customer is testing their new MirrorView/A configuration between two EMC VNX. What will be the state of a newly created mirror after it is added to a previously synchronized Cons...

Refer to the exhibit. During an Incremental SAN Copy bulk copy session, on the Source LUN, data blocks A, B, C, and D are all transferred to the Destination LUN. Before data block...

A customer runs Oracle using DAS. They observe intermittent Oracle performance degradation due to data hot spots on the disks. You propose they move Oracle to an EMC VNX with RAID...

Refer to the exhibit. During an initial synchronization of a MirrorView/A mirror, the Primary Image data blocks A, B, C, and D are all transferred to the Secondary Image. Before da...

A customer wants to replicate a CIFS environment from a legacy EMC Celerra to a new EMC VNX. Users are able to access CIFS shares from both arrays. The CIFS shares are on different...

A customer recently upgraded from vSphere v4.x to vSphere v5.0 to benefit from new VMFS-5 features for their existing `DataStore1' and `DataStore2' datastores on an EMC VNX. A seco...

A storage administrator reports they are unable configure SAN Copy connections between two VNX. The required cabling is in place and zoning is correct, but the SP connections still...

A Pool used for FAST VP has the following configuration: Flash drives: 1,000 GB, with 1,000 GB free SAS drives: 5,000 GB, with 2,500 GB free NL-SAS drives: 20,000 GB, with 11,500 G...

You are planning a CIFS DR solution for two existing EMC VNX. Each VNX has dual Control Stations. Each VNX is also configured for a RecoverPoint protection solution on other VNX LU...

A customer recently purchased an EMC VNX to be connected to four ESXi 5.0 hosts via FC. Five of the associated VMs (virtual machines) are running SQL Server 2008 R2. To avoid conte...

An administrator is attempting to vMotion a VM from one vSphere ESXi 5.0 host to another. The ESXi servers are connected to three VNX arrays on the fabric. The vMotion fails. What...

A customer requires an asynchronous DR solution for an NFS-only client environment. The customer wants the solution to be simple to implement. It was recommended they create a sing...

A customer has an Oracle ASM database on an EMC VNX with FAST Suite enabled. They observe intermittent performance degradation due to momentary data hot spots caused by bursty tran...

A customer has a Windows-only environment connected to an EMC VNX for File at their main campus site. The customer plans to install a new EMC VNX at a remote branch office site. Th...

A system administrator wants to migrate medical-imaging data stored on an EMC VNX. The host connects to the VNX via iSCSI. The IP SAN infrastructure has recently been updated to su...

A customer has a CIFS DR solution with EMC VNX using a One-to-Many replication topology. The customer asks you to explain replication behavior under the following conditions: - Pro...

A customer has two identically configured Linux hosts (OS version, memory, CPU) attached to the same network. One host is NFS-attached and the other is FC-attached to an EMC VNX. B...

A client has an EMC VNX configured with four storage ports, four 15-drive DAEs (disk array enclosures) and a total of forty drives (20 NL-SAS and 20 SAS drives). The client is usin...

A customer requests a performance review of their EMC VNX before FAST Cache is implemented. You notice a dedicated LUN has a write size of 4 KB, and the disks are performing writes...

A customer has two identically configured Linux hosts (OS version, memory, CPU) attached to the same network. One host is NFS-attached and the other is FC-attached to an EMC VNX. B...

A customer has two EMC VNX, one at the primary site and the other at a DR site located 100 km away. The WAN connection between sites is a 100 Mb/s dark fiber link with 4 ms latency...

A customer plans to connect ESXi 5.0 hosts to a new EMC VNX array. They want to take advantage of the hardware-assisted locking feature in VAAI. Which is a feature of hardware- ass...

A customer wants to create a file system for a highly sequential application. They plan to use the EMC VNX AVM feature to create the file system, using the clarsas_archive pool in...

You are planning a CIFS DR solution with an EMC VNX for File. The customer wants to use LACP (Link Aggregation Control Protocol) on the Data Movers to provide additional network re...

A customer has a production CLARiiON replicating to a secondary CLARiiON at a remote site using MirrorView/S. The customer wants to upgrade to new EMC VNX, but due to cost constrai...

Which LUN type presents more storage to an application than is physically allocated?

A customer's EMC VNX supports several Windows and UNIX application servers. The customer is concerned about VNX performance. By monitoring their switches, they notice there is heav...

A customer wants to reduce the performance impact incremental SAN Copy (ISC) has on their source LUN. They plan to use a clone between the current source and destination LUN, and t...

A customer has DR solution with EMC VNX configured to use a One-to-Many replication topology for its file system environment. Their environment consists of the following: One syste...

A customer configured an EMC VNX to serve home directories to users. Users report intermittent timeouts accessing the home directories. While troubleshooting, you observe you can s...

A customer asks you to design an EMC VNX for an Oracle database composed of 300 GB RAID 1 and 600 GB RAID 5 (4+1) drives. Which configuration provides maximum usable capacity balan...

A healthcare company uses MirrorView replication between VNX located at their two data centers. They use the Write Intent Log (WIL) feature on both VNX. There was an outage at the...

A vSphere ESXi v5.0 administrator receives an alert that a VM (virtual machine) has been paused. What action should they take to resume this VM's operation?

Click on the calculator icon in the upper left-hand corner. A client has a storage requirement for an object database. The application is expected to generate random I/O requests....

An EMC VNX supports several iSCSI Windows hosts, as well as a home directory structure for fifty CIFS clients. The iSCSI hosts run an application with an I/O pattern that is 80% wr...

A customer has DR enabled between their primary and backup sites using EMC VNX and MirrorView. SnapView Snapshots are enabled at the backup site. A third VNX array is installed at...

An Oracle DBA creates a new database and requests a LUN to store the online redo logs. What is the recommended configuration for this LUN?

A hospital wants to configure a tiered pool on an EMC VNX to support a vSphere ESXi 5.0 environment with fifteen hosts. Which disk layout is supported for a tiered pool?

A DBA wants to create a replicated, recoverable copy of an Oracle 11g database environment that will reside on a number of EMC VNX target drives. The DBA performs the following: -...