E20-390 Exam Questions
417 real E20-390 exam questions with expert-verified answers and explanations. Page 5 of 9.
- Question #201
What specific VNX model uses a Storage Processor Enclosure?
- Question #202
A colleague plans to use VNX Snapview Snapshots to make local copies of four data warehouse LUNs. The LUNs to be snapped are: - 10 GB - 20 GB - 30 GB - 100 GB What is the recommend...
- Question #203
When configuring a thin LUN what option must be selected?
- Question #204
A storage administrator wants to enable data compression on inactive backup volumes that are configured on RAID-group LUNs. How does VNX compress RAID-group LUNs?
- Question #205
A customer has an application that uses a small amount of capacity but has very high performance requirements. Their new VNX is fully virtually provisioned and uses FAST VP storage...
- Question #206
What occurs after data compression of a storage pool LUN?
- Question #207
What VNX enablers are required for data compression?
- Question #208
Which three administrative user authentication scopes are provided by VNX?
- Question #209
When utilizing Unisphere Service Manager to upgrade a Unified VNX platform, which upgrade type is supported?
- Question #210
What are features of VNX Snapshots?
- Question #211
Where does the \.filefilter directory reside?
- Question #212
What LUN type can be used to configure a metaLUN?
- Question #213
A Linux host has been set up and successfully connected to the VNX array, but the local administrator cannot issue CLI commands. What is a possible explanation of this behavior?
- Question #214
What is the correct VNX Block ?based VAAI operation?
- Question #215
Where can the VNX Snapshot parameters be configured?
- Question #216
A storage administrator has provisioned storage to a server, but only some of the LUNs are visible to the host. What would explain why some LUNs appear to be missing?
- Question #217
When installing additional VNX (File) systems within an existing environment, what is a requirement for Usermapper?
- Question #218
Which condition must be met to expand a LUN?
- Question #219
A Storage Administrator is provisioning storage from a VNX array to a Windows 2003 host. Which best practice should be considered to ensure maximum performance?
- Question #220
Which action would cause a VNX Storage Processor A to reboot?
- Question #221
A Storage Administrator is configuring a new VNX array. There are 10 MS Exchange Servers to be connected to this array. What configuration will maximize performance while isolating...
- Question #222
What is a supported configuration for mixing HBAs on Linux hosts?
- Question #223
Which features are included with the VNX Remote Protection Suite?
- Question #224
What is the function of Storage Groups on a VNX array?
- Question #225
A VNX snapshot can have how many snapshots of the source LUN?
- Question #226
What is a critical capacity consideration when configuring traditional RAID Groups on a VNX array?
- Question #227
What is an accurate description of VMware Aware Storage API (VASA)?
- Question #228
What is required when configuring a Data Mover interface?
- Question #229
What is a characteristic of tree quotas?
- Question #230
Which action makes CAVA trigger a file scan?
- Question #231
When configuring a VNX Gateway system, which is a compatible backend storage configuration method?
- Question #232
Which describes the VNX Snapshot source LUN write process?
- Question #233
Which dependency will prevent a Virtual Network device from being deleted?
- Question #234
The user authentication and system management operations to the VNX with the Unisphere GUI or CLI are performed over the network using which industry standard protocols?
- Question #235
What is a feature available to a virtual Data Mover?
- Question #236
A customer has an application that uses a lot of capacity but has very low performance requirements. Their new VNX is fully virtually provisioned and uses FAST VP storage pools. Th...
- Question #237
What is the only kind of LUN that VNX Snapshots can use?
- Question #238
What occurs after data compression of a RAID-group LUN?
- Question #239
The file system for an SQL database is running low on available capacity. The database is running on a Windows Server 2008 host connected to a VNX Block array. The file system LUN...
- Question #240
What default option does a newly created file system have when it is NFS exported?
- Question #241
For what reason would you increase the default Ethernet frame MTU on a VNX Datamover?
- Question #242
What is a critical performance and availability consideration when configuring traditional RAID Groups on a VNX array?
- Question #243
What can be used to Discover iSCSI targets?
- Question #244
How does host file system defragmentation of pool LUNs affect VNX performance?
- Question #245
What EMC software product contains a collection of tools that helps you perform basic hardware and software maintenance tasks on an EMC VNX Unified storage system?
- Question #246
Which feature integrates VNX storage provisioning management within vCenter?
- Question #247
How do VNX Snapshots differ from VNX Snapview Snapshots?
- Question #248
A storage administrator configured and presented storage pool LUNs to a Failover Cluster. A few weeks later, the cluster administrator reported the LUNs are too large and smaller L...
- Question #249
What software features are included in the VNX Application Protection Suite?
- Question #250
In a VNX series array, how does FAST manage data in a heterogeneous storage pool?