EMC E20-351 Online Practice Questions and Exam Preparation

EMC E20-351 Online Questions & Answers

• Question 91:

  When zoning host HBAs to storage ports, what do EMC best practices recommend?

  A. No more than two host HBAs and two storage ports in a zone
  B. One storage port and only one host HBA in a zone
  C. Only dual-port HBAs may be zoned together to a single storage port
  D. Only two storage ports and one host HBA in a zone
  B. One storage port and only one host HBA in a zone

• Question 92:

  What is a characteristic of iFCP?

  A. Gateway to gateway protocol for IP over FC
  B. Manages connections between IP-based storage devices, hosts, and clients
  C. Maps IP addresses to individual Fibre Channel devices
  D. No Fibre Channel content
  C. Maps IP addresses to individual Fibre Channel devices

• Question 93:

  How many host bus adapters (HBAs) should be members in a single zone?

  A. unlimited
  B. 1
  C. 2
  D. 3
  B. 1

• Question 94:

  When creating AP-7420B LSANs, which step must be done before creating E_Ports?

  A. Create the LSAN zones.
  B. Install the FCRS license key.
  C. Merge the fabrics.
  D. Plug in the applicable switch cables.
  B. Install the FCRS license key.

• Question 95:

  Your customer has an existing multiple switch fabric environment, and they purchased new FAs for this project. You have been requested to add five additional servers to the environment. After your setup and configuration of all five servers, other servers in the environment experience performance problems. Based on EMC best practice what may have caused the performance issue of the existing servers?

  A. Interswitch links are oversubscribed.
  B. Servers exceeded fan-in ration.
  C. Servers exceeded fan-out ration.
  D. Switch ports are set to auto-negotiate.
  A. Interswitch links are oversubscribed.

• Question 96:

  In an iSCSI client-server architecture, what are clients of a SCSI interface called?

  A. Client
  B. Device server
  C. Initiator
  D. Target
  C. Initiator

• Question 97:

  EMC Customer Service has determined a customers DS4100B needs to be replaced. After bringing the replacement switch (another DS4100B) online, the storage administrator recognizes the Microsoft Exchange MSCS cluster cannot

  access the CX 3-80 storage over one (1) of its two (2) 4 Gb/s HBA paths.

  What is the likely problem?

  A. Customer Service engineer configured the wrong IP address for the replacementDS4100B, hence creating an IP conflict with the other fabrics good DS4100B
  B. Customer Service engineer didnt move the old GBICs to the new switch, hence theswitchport GBIC now has a different WWN.
  C. The customer has standardized on hard zoning, and the Customer Service engineerplugged one of the CX 3-80 storage ports into the wrong DS4100B switch port.
  D. The customer has standardized on soft zoning, and the Customer Service engineerplugged one of the CX 3-80 storage ports into the wrong DS4100B switch port.
  C. The customer has standardized on hard zoning, and the Customer Service engineerplugged one of the CX 3-80 storage ports into the wrong DS4100B switch port.

• Question 98:

  The iSCSI name of a SCSI device is the principal object used in authentication of targets to initiators and initiators to targets. Which of these answers have a correct format?

  A. eui. 169.254.12.169
  B. eui.50060482AEA5574E
  C. inq.2003-04.com.emC. symmetrix.0093:diskarray.1
  D. iqn.50060482AEA5574E:diskarray.1
  B. eui.50060482AEA5574E

• Question 99:

  Which layer of the ARPA architecture does NFS represent?

  A. Application layer
  B. Network Interface layer
  C. Network layer
  D. Transport layer
  A. Application layer

• Question 100:

  Which command is used on an HP-UX server to display newly created LUNs?

  A. lsdev -C -c adapter -S a
  B. ioscan -fnC disk
  C. server_devconfig ALL -p -s -a
  D. probe-scsi-all
  B. ioscan -fnC disk