390-4

Which profiles define how the raw physical spindles are aggregated into VNX disk volumes?. Storage profiles. Volume profiles. System profiles. Disk profiles.

A customer decides to decompress a LUN that was originally a thin LUN. What is the result of the decompression?. Thin LUN. Traditional LUN. Storage pool Thick LUN. Private LUN.

When moving a VDM to a different Data Mover, what is one requirement of the target Data Mover?. Network interface names used on the source must be the same on the target. The VDM must be loaded on the Source. A CIFS server with the same name must exist on the Target. The target Data Mover must be configured as a Standby.

A SnapView snapshot can have how many snapshots of the source LUN?. 8. 24. 128. 256.

What can be found from the Virtualization Host page in the VNX Unisphere Manager GUI?. Block connected ESXi Servers. Wizard for discovering block connect ESXi Servers. File connected ESXi Servers. NFS datastores.

A storage administrator configured and presented storage pool LUNs to an MSCS cluster. A few weeks later, the cluster administrator reported the LUNs are too large and smaller LUNs are needed. What do you advise?. The MSCS Cluster will need to be rebuilt. Use the LUN shrink feature. The VLUN migration feature must be used. Use SANCopy to migrate to smaller LUNs.

What is the default protocol for DNS?. UDP. FTP. TCP. PPP.

What is the default port that must be open in the firewall for Replication Manager Client Data?. 6543. 6542. 443. 65432.

In which order is a File System made available to clients on the network through NFS?. Create the FS, Mount the FS on the Data Mover, Export the File System, Create a mountpoint on client, mount the export on the client. Make sure NFS service is running, Create the FS, Mount the FS on the Data Mover, Add a computer name, mount export on client. Make sure NTP service is running, Export the File System, mount the export on the client. Make sure NTP service is running, Create the FS, Mount the FS on the Data Mover, Export the File System, mount the export on the client.

A Storage Administrator is configuring a new VNX array. There are 10 MS Exchange Servers to be connected to this array. Each of these Exchange servers hosts users from a different time zone so performance spikes are expected at different times during the day. What configuration will maximize overall performance for these hosts?. Thick LUNs from traditional RAID Groups. Thick Pool based LUNs from one wide pool. Thick Pool based LUNs from several isolated pools. Thin Pool based LUNs from several isolated pools.

A colleague configured two 512 MB LUNs to be used as Clone Private LUNs (CPLs). When configuring the CPLs, the two 512 MB LUNs do not appear in the list of available LUNs. What do you advise?. CPLs must be 1024 MB or larger. Login to Engineering mode and retry. CPLs must be 256 MB or smaller. Login as an Administrator and retry.

A Storage Administrator is provisioning storage from a VNX array dedicated to a group of Windows 2008 hosts running MS Exchange 2010. The LUNs will be replicated using MirrorView/A. Which best practice should be considered to ensure maximum performance?. Set the cache page size to 16kB. Set the cache page size to 4kB. Align the user data on LUNs on a 1024kB boundary with Diskpart. Align the user data on LUNs on a 1024kB boundary using the VNX Alignment Offset.

What is the EMC-recommended cache page size for Microsoft Exchange 2007 environments?. 4 KB. 8 KB. 12 KB. 16 KB.

Refer to the exhibit. Displayed is a single VNX X-Blade in a DME. What does the indicated number 2 refer to on the numeric display?. The DME Enclosure number. The X-Blade number. The LCC Enclosure ID. The LCC Bus ID.

Refer to the Exhibit. What type of DAE is in the picture?. DAE6S. DAE5S. DAE7S. DAE3S.

Refer to the exhibit. Which I/O module combination could be used in Slot 0 within a VNX Gateway X-Blade?. a. and c. a. and b. a, b and d. a, c and e.

Refer to the Exhibit. What type of DAE is in the picture?. DAE5S. DAE6S. DAE7S. DAE3S.

Which CLI method can be used to manage a VNX for File?. Serial connection to the Control Station. Serial connection to a storage processor. NaviSECCLI to a storage processor. Unisphere access to the Control Station.

Which command is used on the Control Station to read the audit log?. /sbin/ausearch. /nas/sbin/nas_audit. /usr/sbin/audit. /sbin/sysaduit.

By default, which event is audited on the VNX Control Station?. Root file system access by administrators. Removal of files on a Data Mover. Removal of files on the Control Station. Creation of directories on the Control Station.

To which location are audit configuration files backed up?. /nas/var/auditing. /celerra/audit. /var/auditing/. /etc/audit.

Which two types of monitoring configurations are allowed with the “Notifications for Block Storage Systems” option?. Centralized and Distributed. Local and Remote. Internal and External. Online and Offline.

In the Unisphere “Statistics for File” option, what is the default polling interval for file system data?. Every 5 minutes. Every 10 minutes. Every 15 minutes. Every 60 minutes.

In which environment is a large element size a consideration when creating RAID 5 (4+1) groups?. Large-block random reads. Large-block sequential reads. Large-block random writes. Large-block sequential writes.

What are characteristics of thin pool LUNs?. Space is allocated when user data is written Uses slightly more capacity than the user data. Simultaneously accessible through SPA and SPB All space is allocated at creation time. Simultaneously accessible through SPA and SPB Uses slightly more capacity than the user data. Provides active/passive host access LBAs are guaranteed physically contiguous.

A company wants a mixed tier pool to optimize the use of their Flash, 10k RPM and 15k RPM drives. They want the Flash drives configured in RAID 5, the 10k RPM drives in RAID 6, and the 15k RPM drives in RAID 5. Why can only two tiers in the pool be created?. The 10k and 15k drives are the same tier. Flash drives cannot be used in a pool. A pool is either RAID 5 or RAID 6. FAST Cache is also configured.

A company has an application that requires very high capacity but low performance requirements. Their new VNX is fully virtually provisioned and uses FAST VP storage pools. They want to configure the LUNs for this application on low performance storage. How should the LUNs be initially configured?. Use the Lowest Available Tier option. Use a traditional RAID group LUN on SAS drives. Use the Optimize for Pool Performance option. Use a traditional RAID group LUN on NL-SAS drives.

A company has an application that requires very high capacity but has very low performance requirements. The storage administrator wants to configure the FAST VP policy to ensure LUNs allocated to this application always remain on low performance storage. Which action should be taken?. Initially set the policy to Lowest Available Tier, then No Data Movement. Initially set the policy to Lowest Available Tier, then Auto-Tier. Set policy to Auto-Tier. Initially set the policy to Highest Available Tier, then Auto-Tier.

A company has an application that uses a small amount of capacity but has very high performance requirements. The storage administrator wants to configure the FAST VP policy to ensure LUNs allocated to this application always remain on higher performance storage. Which action should be taken?. Initially set the policy to Highest Available Tier, then No Data Movement. Initially set the policy to Lowest Available Tier, then Auto-Tier. Set policy to Auto-Tier. Initially set the policy to Highest Available Tier, then Auto-Tier.

In order for a FAST cache promotion to take place, what is the size of the data block that must be accessed multiple times in a short period of time?. 32 KB. 64 KB. 128 KB. 256 KB.

When a client sends a read request to a VNX, what happens to the requested data if it is found in FAST Cache?. First sent to multi-core cache and then read back to the client. Read back to the client directly from FAST Cache. First copied to physical disks and then read back from FAST Cache. First promoted from physical disks and then read back to the client.

A company is expanding their storage infrastructure with five new VNXs. They are using VMware ESXi hosts that have access to several datastores on various VNX storage arrays. Based on EMC best practices, what is a recommended configuration?. Each host should use LUNs from no more than four VNXs. Each datastore should have its own storage group for each host. Each host should be connected to each storage array using four zones. A maximum of four LUNs per storage group should be used.

In order to manually register a host, which type of information is required?. IP address, host name, and host WWN. IP address, HBA type, and host array. Host name, array CommPath, and storage group. Host name, initiator type, and SP port physical location.

What is a unique identifier of a storage group?. WWN. Storage Group Name. IP Address. IQN.

Which format should be used to enter the managing SP into a Host Agent configuration?. @192.168.1.100. @FD:B4:D9:59:D8:19:E3:11:A9:FC:E6:38:1C:E0:97:8B. ~192.168.1.100. ~FD:B4:D9:59:D8:19:E3:11:A9:FC:E6:38:1C:E0:97:8B.

If a company is using Microsoft Exchange 2007 in a VNX for Block environment, what is the recommended page size?. 4 kB. 8 kB. 16 kB. 32 kB.

After adding LUNs to a storage group for a newly attached SAN host, the host cannot access any of the LUNs. When looking at the Unisphere Host Initiators page to verify connectivity, the storage group listed for the host is ~management. Which step was missed when provisioning this host?. Adding the host to the storage group. Assigning host IDs to the LUNs. Manually registering the host initiators. Setting the correct failover mode for the host initiators.

On a Linux host, which file or directory displays information about the discovered iSCSI target port IQN identifiers?. /var/lib/iscsi/nodes. /etc/initiatorname.iscsi. /var/lib/iscsi/send_targets. /etc/init.d/agent.config.

In a VNX for Block environment, which two types of security configurations are available for iSCSI connections?. Initiator and Mutual. Server and Client. HBA and NIC. Private and Global.

A company is assigning replicated LUNs from a new VNX to a Microsoft Windows 2008 host. Which action should be performed in order to avoid a misalignment?. No action is required. Upgrade to Microsoft Windows 2012 so alignment is done automatically. Use Microsoft diskpart to align the new partition to a 2 MiB boundary. Use a 16 kiB page size for the VNX cache.

Which command can be used to retrieve available network devices when creating interfaces on a VNX Data Mover?. server_sysconfig. server_ifconfig. server_config. server_ipconfig.

On a VNX Data Mover, what determines a network route based on the smallest hop count between the source and the destination?. RIP. NAT. TCP. RPC.

Which command is used to configure NTP on a VNX Data Mover?. server_date. server_sysconfig. server_route. server_ip.

A company needs to have one of its file systems configured to auto extend at 80% HWM as part of a thin provisioning requirement. What must be taken into consideration when implementing this solution?. Sufficient storage must be available since space is not reserved. Maximum auto extend size will be reserved automatically. Only 80% of the current file system size will be reserved. Auto extend can only be configured at file system creation.

Which parameters are used by the VNX File deduplication policy engine to process files for deduplication?. File extension and modified time. File extension and offline attribute. Access time and offline attribute. Access time and file permissions.

In a VNX environment, what is required to enable auto extend for an existing file system?. Must be mounted as read/write by the Data Mover. Must be mounted as read-only by the Data Mover. Must be unmounted from the Data Mover. Auto extend cannot be assigned on a existing file system.

A VNX file system has auto_extend enabled. If the file system size is greater than the extend_size value, what will happen when the file system reaches its high water mark (HWM)?. File system is extended by 5% of its size. File system is extended until it is 10% over the HWM. File system is extended by 3% of its size. File system is extended by its size.

A certain file-based application requires VNX file systems that do not share disk volumes with other applications. What must be done to meet this requirement?. Disable slicing when creating the file system. Create a thin-enabled file system. Use classic LUNs with AVM instead of pool LUNs. Manually auto extend the file system.

A storage administrator is creating a file system on a VNX system through AVM. What is the maximum number of NL-SAS-based dvols that can be striped together in a storage pool?. 2. 4. 5. 8.

Which types of storage can be provisioned through the Unified Storage Management plug-in for VMware?. NFS, VMFS, and RDM. VMFS, RDM, and iSCSI. VMFS and CIFS. NFS and CIFS.

A VNX storage administrator wants to use the access options in a NFS export to ensure that a certain network can mount the NFS export. If the network is 10.64.88.0/24, how should the entry be set?. 10.64.88.0. 10.64.88.0-10.64.88.255. 10.64.88.0/255.255.255.0. 10.64.88.1-254/255.255.255.0.

A VNX storage administrator adds some hosts with the read-only option to an existing NFS share. After a while, some users report that they are unable to write to this NFS export anymore. What is the most likely cause?. Required clients have not been added to the read/write option. Users are connected to the Linux hosts specified in the read-only settings. Entire subnet has been set to read-only. Wrong IP address has been set in the read-only option.

Which authentication method provides Kerberos-based user and data authentication, data integrity, and data privacy?. Secure NFS. UNIX security. Authentication daemon. Mixed mode.

What is recommended for creating a CIFS server on a VNX?. Virtual Data Mover. Physical Data Mover. Remote Data Mover. Standby Data Mover.

Which Microsoft applet is supported by VNX for creating CIFS shares?. Computer Management Tool. File Sharing. File Management Tool. Distributed File System.

In a VNX environment, which CIFS servers are candidates for interface stealing?. Hosted on the same physical Data Mover. Hosted on the standby Data Mover. Hosted on different physical Data Movers. Hosted on different virtual Data Movers.

A storage administrator is using VDMs on a new VNX Unified system. The administrator received a request to create a new VDM with a new file system from an internal business unit with their own UNIX domain. How can VDMs support this requirement?. Each VDM can be part of a single UNIX domain. Each VDM can be part of multiple UNIX domains. Only one domain namespace can be used per Data Mover. Only one domain namespace for all VDMs can be used.

A system administrator has previously used NFS exports on an EMC Celerra. However, the administrator expressed concerns that the NFS shares are exposed to hosts on other networks. The administrator has exchanged the company’s legacy Celerra for a new VNX for File and is using VDMs for NFS. What is the accessibility of the NFS exports in this new configuration?. Accessible only for hosts on the same network as the NFS serve. Accessible on all interfaces on the blade. Accessible on all VDMs. Accessible as long as they are on the same subnet as the VDMs.

A system administrator needs to change several CIFS parameters on a VNX for File system. How will the change affect the VNX system?. Parameters will be applied per Data Mover and to all VDMs on the affected Data Mover. Only the VDM where the parameter is set will be affected. Only the CIFS server where the parameter is set will be affected. Only the Data Movers and CIFS server created on the physical Data Mover will be affected.

A company is currently hosting an ISP service. For security reasons, they want to have different usermappers for each of their customers. Is this solution possible?. Yes, but only for each Data Mover. Yes, by creating a unique usermapper on each VDM. No, but only for one primary usermapper per system. No, but only for one primary usermapper per site.

A storage administrator is adding a third VNX system (VNX3) to a secondary site. The third system will be part of an active/active VNX IP replicating cluster. The administrator has set up the usermapper as a secondary usermapper (VNX2) pointing to the primary usermapper (VNX1). When will data on the secondary usermapper (VNX2) get updated if a new unmapped user is accessing the new VNX system (VNX3)?. Not until the user accesses the CIFS server located on VNX2. As soon as the primary usermapper (VNX1) has generated an entry for the user. At 0:00 AM every night when the primary usermapper (VNX1) updates all the secondary usermappers (VNX2/VNX3). As soon as an export of the database from the primary usermapper (VNX1) is imported to the VNX2 usermapper.

A customer has asked you to test the Data Mover failover functionality. Which method is recommended to verify Data Mover failover?. Run the server_standby -activate command. Remove the primary Data Mover blade from its slot. Disconnect all Ethernet cables from the primary Data Mover. Run the server_cpu -shutdown command.

A company experienced a network issue with one of its switches. This resulted in the users’ inability to access their home directory on the VNX for File. Why did the VNX fail to bring up the services on the standby Data Mover since it is connected to a different network switch that was not affected?. Network problems do not trigger Data Mover failover. The failover relationship was not set up correctly between the primary and secondary Data Movers. A hardware configuration mismatch prevented the secondary Data Mover to take over the responsibilities. The primary Data Mover could not notify the secondary Data Mover to take over the responsibilities.

You have installed and implemented a VNX for File. After manual failover tests have been performed, a problem occurs on the primary Data Mover and the system becomes unavailable to the users. While reviewing the status in Unisphere, the Data Mover is reported as fault/panic and no failover occurs. What is the reason for this issue?. Failover policy is set to manual. Hardware configuration mismatch between the primary and standby Data Movers. Primary Data Mover configuration is not visible to the standby Data Mover. Failover will not occur when the Data Mover is in a panic state.

A company has the following requirements: Optimize Reserved LUN Pool size to avoid wasted space LUNs to be protected are 40 GB, 50 GB, 70 GB, 30 GB, and 10 GB Assign two resource LUNs for each source LUN Use SAS drives for the Reserved LUN Pool What is the total Reserved LUN Pool size when all LUNs have a 20% change rate?. 40 GB. 80 GB. 120 GB. 200 GB.

What displays information on VNX Reserved LUN Pool utilization?. SP Event Logs. Statistics for File. Alerts. Statistics for Block.

What should be done to make the clone LUN available to the secondary server?. Fracture. Resynchronize. Start session. Activate session.

What is a characteristic of VNX Snapshots?. Uses pool space as the primary LUN. Supports thin and classic LUNs. Supports thin and classic LUNs. Uses the SavVol from the primary LUN.

A company wants to use VNX Snapshots to create point in time views of their production LUNs. They discover that they cannot configure the snapshots they need. What might be causing this issue?. LUNs are classic LUNs. Pool that contains the LUNs is 90% full. Reserved LUN Pool is not configured. LUNs reside on the first four disks of the array.

Which technology is used by VNX SnapSure?. Copy on First Write. MetaLUN. Redirect on Write. Journal.

An administrator creates a 500 GB file system with VNX SnapSure configured. What is the initial size of the SavVol that was automatically created?. 64 MB. 128 MB. 20 GB. 50 GB.

Which VNX Local Protection Suite offering uses journaling to track the changes?. RecoverPoint CDP. VNX Replicator. VNX Snapshots. RecoverPoint CRR.

Which RecoverPoint/SE CDP component has the ability to provide application-specific annotations?. Journal. Consistency Group. Repository. Splitter.

Which MirrorView data state indicates that mirroring has been stopped and a write intent or fracture log is needed to continue mirroring?. Consistent. Rolling back. Out of Sync. Inactive.

Which MirrorView configuration is used to replicate one primary image to two secondary images?. MirrorView/S LUN Level Fan-out. MirrorView/A System Level Fan-in. MirrorView/A LUN Level Fan-out. MirrorView/S System Level Fan-in.

How many replication pairs are supported by VNX Replicator?. 2. 4. 5. 8.

Which replication function is used for failover testing or data migrations with the source file system in production?. Switchover. Failover. Reverse. Incremental.

In the event the original source becomes unavailable, which Replicator configuration type allows the replication process to continue by using one of the four destination objects as the new source of the replication?. One-to-many with Incremental Attach. Cascade. One-to-many. Cascade with Incremental Attach.

How does a VNX splitter treat incoming writes to a production volume protected by RecoverPoint/SE CRR?. Sends one copy to the original target and another copy to the RPA. Creates a snapshot of the volume and copies changes to the target. Sends a copy of the changes only to the original target. Mirrors all writes between the existing RPAs.

In which situation is virtual RPAs only supported for the deployment of a RecoverPoint/SE CRR solution?. In projects that involve data protection of a VNX array. When copying volumes using FC/IP converters across a WAN. In projects that involve data protection of a third-party block array. When copying volumes using iSCSI protocol across a WAN.

A system administrator needs an AppSync user role with the ability to: Subscribe to a data service plan Create a copy on demand Remove data from a subscription Setup a SQL server on a host Which user role should be granted?. Data Administrator. Service Plan Administrator. Security Administrator. Resource Administrator.

Which state allows the user to delete an FLR-enabled file?. Expired. Locked. Append. Not-locked.

Where can encryption be implemented using VNX Host Encryption?. LUN. File System. Pool. CIFS and NFS share.

On which VNX storage object is FLR implemented?. File System. Share and/or export. LUN. Directory.

Which third-party facilities are provided by VNX Event Enabler?. Anti-virus, Quota management, and unstructured data auditing. Anti-virus, Quota management, and DR automated failover. Anti-virus, Encryption Key management, and DR automated failover. Quota management, DR automated failover, and Encryption Key management.

How is ESXi CPU management related to VNX storage performance?. CPU contention draws cycles from iSCSI. CPU is stored on the VNX array. VNX holds CPU paging. CPU ballooning requires storage resources.

What are two preferred ESXi multipathing solutions for accessing storage on a VNX?. PowerPath/VE and Round Robin. PowerPath/VE and Fixed. Round Robin and Fixed. MRU and Round Robin.

Which ESXi memory management technique can have an impact on or be impacted by VNX storage?. Transparent page sharing Ballooning Guest OS swap file. Memory compression Transparent page sharing Ballooning. Swap to host cache Ballooning Memory compression. Guest OS swap file Memory compression transparent page sharing.

A storage administrator has just replaced the SPS battery pack on a VNX 8000 series array. The front battery packs status LEDs indicate “yellow”. What is the cause?. Battery pack is not powered. Battery pack is not installed correctly. Battery pack is fully connected to the SPS tray. Battery pack firmware mismatch.

Which commands are used to disable Dial Home and email notifications before replacing the failed part?. /nas/sbin/nas_connecthome -service stop /nas/bin/nas_emailuser -modify -enabled no. /nas/sbin/nas_connecthome –I /nas/bin/nas_emailuser -modify -enabled no. /nas/bin/nas_emailuser -modify -enabled no /nas/sbin/nas_connecthome -service start –clear. /nas/bin/nas_emailuser -modify -enabled yes /nas/bin/nas_emailuser –info.

How many disks are recommended to expand a capacity tier with a RAID 5 (4+1) configuration?. 4. 5. 8. 9.

Before creating a CIFS server that will participate in a Microsoft Windows Domain, which EMC best practice should be followed?. Configure NTP synchronization with a KDC. Create placeholder entries in the Active Directory. Populate DNS with the new host entries. Perform a health check on the VNX system.

Refer to the Exhibit. What is the SavVol size for the “fs16” file system?. 2GB. 9GB. 10GB. 1TB.

Refer to the Exhibit. Which port is used to connect peer Control Stations?. 2. 3. 4. 5.

Refer to the Exhibit. Which port is used to connect to the primary Data Mover switch?. 2. 3. 4. 5.