E20-390 Online Practice Questions and Answers

Which VNX RAID type is suggested for performance and protection for small block random writes to disk?

A. RAID 5

B. RAID 6

C. RAID 0

D. RAID 1/0

If a LUN is already a member of a storage group, how can an administrator modify the HLU?

A. The administrator can modify the HLU without any restrictions

B. The administrator cannot modify the HLU unless the LUN is unbound and rebound

C. The administrator can modify the HLU only with the CLI

D. The administrator can modify the HLU only if the LUN is removed and added back into the storage group

Which VNX software suite includes Replication Manager?

A. FAST

B. Security and Compliance

C. Local Protection

D. Application Protection

What is the EMC-recommended VNX cache page size for Microsoft Exchange 2010 environments?

A. 4 KB

B. 8 KB

C. 12 KB

D. 16 KB

Which protocols are supported for data sharing on VNX OE for File?

A. FC, NFS, CIFS

B. NFS, CIFS, FTP

C. FC, ISCSI, FCoE

D. NFS, CIFS, iSCSI

Which two protocols can be used for DNS communication on a Data Mover?

A. TCP and UDP

B. TCP and ICMP

C. UDP and ICMP

D. UDP and TLS

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 pools. The customer wants to configure the LUNs for this application on high performance storage. How should the LUNs be initially configured?

A. Using the Highest Available Tier option.

B. A traditional RAID-group LUN on Flash drives should be used.

C. Using the Optimize for Pool Performance option.

D. A traditional RAID-group LUN on SAS drives should be used.

What is a critical capacity consideration when configuring traditional RAID Groups on a VNX array?

A. Larger RAID 5 groups maximize the capacity available

B. Larger RAID 6 groups maximize the capacity available

C. Smaller RAID 6 groups maximize the capacity available

D. Smaller RAID 5 groups maximize the capacity available

In a VNX environment, what is required to enable auto extend for an existing file system?

A. Must be mounted as read/write by the Data Mover

B. Must be mounted as read-only by the Data Mover

C. Must be unmounted from the Data Mover

D. Auto extend cannot be assigned on a existing file system

In a VNX environment, which CIFS servers are candidates for interface stealing?

A. Hosted on the same physical Data Mover

B. Hosted on the standby Data Mover

C. Hosted on different physical Data Movers

D. Hosted on different virtual Data Movers