EMC E20-351 Online Practice Questions and Exam Preparation

EMC E20-351 Online Questions & Answers

• Question 51:

  When an Ethernet interface needs to transmit, it listens for other traffic on the media If no other transmission is detected, the interface begins its transmission. What type of media access method is this?

  A. Bus arbitration
  B. CSMA/CD
  C. Ethernet sniffing
  D. TCP/IP
  B. CSMA/CD

• Question 52:

  Which layer in the iSCSI protocol stack controls messages, SCSI commands, and parameters between the initiator and target?

  A. IP
  B. iSCSI
  C. SCSI
  D. TCP
  D. TCP

• Question 53:

  Which layer in the iSCSI protocol stack contains the command descriptor blocks between the initiator and target?

  A. IP
  B. iSCSI
  C. SCSI
  D. TCP
  C. SCSI

• Question 54:

  ACME Corporation wishes to deploy iSCSI for its storage network architecture. The company intends to segment the host to storage communication within its core layer-2 switch for performance and security reasons. What is the layer-2 switch technology that allows for this?

  A. Ethernet segmentation
  B. Ethernet trunking
  C. Virtual local area networks (VLAN)
  D. Virtual storage area networks (VSAN)
  C. Virtual local area networks (VLAN)

• Question 55:

  For which operating systems are the SCSI-3 (SC3) bit set on a Symmetrix FA port?

  A. Used for Heterogeneous FA Port Sharing/IBM AI with FC 6227, 6228, 6239/VMware
  B. Used for Solaris only
  C. Used for Windows/Solaris/AIX
  D. Used for Windows/Solaris/HP-UX
  A. Used for Heterogeneous FA Port Sharing/IBM AI with FC 6227, 6228, 6239/VMware

• Question 56:

  How many bits are in a Fibre Channel address?

  A. 16
  B. 24
  C. 64
  D. 128
  B. 24

• Question 57:

  Click the Exhibit button. These MDS series CLI commands display both the active and full zone sets for VSAN 4. What possible scenario would cause the displayed difference between them? ** Exhibit Missing**

  A. The active zone database for VSAN 4 was copied from another switch.
  B. The Full Zone database for VSAN 4 was copied from another switch.
  C. The zone "win3_zone" was created and activated from another physical switch.
  D. The zone "win3_zone" was created and activated from Fabric Manager.
  C. The zone "win3_zone" was created and activated from another physical switch.

• Question 58:

  What does the s# represent in the device special file format of c#t#d#s#?

  A. LUN number
  B. SCSI controller number
  C. Slice partition number
  D. Target ID number
  C. Slice partition number

• Question 59:

  What does EMC best practice recommend that a zone contain?

  A. Multiple initiators and a single target
  B. Multiple initiators and multiple targets
  C. Single initiator and a single target
  D. Single initiator and multiple targets
  C. Single initiator and a single target

• Question 60:

  What is the proper syntax to create a 50 GB RAID 5 FLARE LUN on a CX/CX-3 series array?

  A. Naviseccli .... -bind -r5 ID 10 rg 0 rc 1 wc 1 sq gb cap 50
  B. Naviseccli .... -bind r5 10 rg 0 rc 1 wc 1 sq gb cap 50
  C. Naviseccli .... -create r5 10 rg 0 rc 1 wc 1 sq gb cap 50
  D. Naviseccli .... -create r5 ID 10 rg 0 ID 10 rc 1 wc 1 sq gb cap 50
  B. Naviseccli .... -bind r5 10 rg 0 rc 1 wc 1 sq gb cap 50