EMC E20-545 Online Practice Questions and Exam Preparation

EMC E20-545 Online Questions & Answers

• Question 131:

  A storage administrator has initiated a VDM failover. What information is replicated to the secondary site?

  A. Password file
  B. IP address
  C. Network device
  D. Security credentials
  D. Security credentials

• Question 132:

  What is the name of the process that writes original data from the source LUN to the reserved LUN pool when using SnapView snapshots?

  A. Copy on First Write
  B. Point-in-Time Copy
  C. Reserved LUN Copy
  D. Write-Aside Copy
  A. Copy on First Write

• Question 133:

  A storage administrator wants to use all available bandwidth to connect a VMware ESXi host to an EMC VNX. The administrator decides to use two identical CNAs as well as two NICs. This is being done so that the administrator can use FCoE for some VMs and iSCSI for other VMs.

  The administrator installed different instances of the Unisphere Host Agent on each VM. The performance of the iSCSI VMs is lower than expected. What can be done to enhance storage access performance?

  A. Replace the NICs in the physical host with iSCSI HBAs.
  B. Using FCoE on some VMs and iSCSI on other VMs on the same physical host is not supported
  C. Do not mix FCoE and iSCSI on the same physical host.
  D. Disable Jumbo Frames on the Ethernet SAN
  A. Replace the NICs in the physical host with iSCSI HBAs.

• Question 134:

  You are designing the optimal networking environment for an ISP. According to the customer, high availability is more important to them than bandwidth. What should you ask about first when you meet the Network Administrator?

  A. Cross-Stack, VLAN requirements
  B. EtherChannel, DNS servers
  C. FSN, VLAN requirements
  D. LACP, DNS servers
  A. Cross-Stack, VLAN requirements

• Question 135:

  In a SnapSure implementation of a 20 GB production file system, what is the default SavVol configuration?

  A. 20 GB from the Reserved LUN Pool
  B. 64 MB from the Reserved LUN Pool
  C. 20 GB from the same pool as the production file system
  D. 64 MB from the same pool as the production file system
  C. 20 GB from the same pool as the production file system

• Question 136:

  A current PowerPath Encryption customer plans to add a second VNX array to their production environment. They plan to use the VNX Host Encryption feature and ask whether any environment downtime is required to implement this new feature.

  What should you advise?

  A. Adding VNX Host Encryption to an existing PowerPath Encryption environment is non- disruptive.
  B. They will need to set each HBA offline, one at a time, to add VNX Host Encryption.
  C. A host reboot is required to implement VNX Host Encryption in this environment.
  D. VNX Host Encryption cannot be integrated into environments with existing PowerPath Encryption.
  A. Adding VNX Host Encryption to an existing PowerPath Encryption environment is non- disruptive.

• Question 137:

  Which applications are supported by AppSync?

  A. MS Exchange, MS SQL Server, VMware
  B. Oracle, MS SQL Server, VMware
  C. MS SQL Server, SharePoint, DB2
  D. VMware, MS Exchange, PostgreSQL
  A. MS Exchange, MS SQL Server, VMware

• Question 138:

  A small university department uses Unix-based workstations with local password files for security and access. They now want to expand and use the VNX for additional storage. Which mechanism should be used to provide authentication to NFS exports presented from the VNX?

  A. AUTH_SYS
  B. Kerberos
  C. Authentication daemon
  D. LDAP
  A. AUTH_SYS

• Question 139:

  Multiple VNX systems are being deployed into an enterprise environment. A centralized storage team is being created to manage all of the VNX systems. Which management configuration will simplify the VNX management in this environment?

  A. Configure the VNX systems within a single Unisphere Storage Domain
  B. Configure role-based management using individual local VNX accounts
  C. Configure LDAP scope authentication for each VNX in the enterprise
  D. Configure global scope authentication for each VNX in the enterprise
  A. Configure the VNX systems within a single Unisphere Storage Domain

• Question 140:

  Refer to the exhibit.

  

  A customer has a VNX with twenty 300 GB SAS drives. Which mechanism does AVM use to increase capacity with auto expansion?

  A. Meta volume
  B. Striping
  C. Slicing
  D. Disk volume
  A. Meta volume