Deck 3: ESX I Storage

Question 1

Which of the following is required for communication with a Fibre Channel SAN?

A)Ethernet adapter
B)Fibre Channel host bus adapter
C)Ethernet host bus adapter

Answer 1

Fibre Channel host bus adapter

Question 2

Which type of commands does an operating system residing in a virtual machine issue to a virtual disk stored on a SAN?

A)ISCSI
B)SCSI
C)FTP
D)SNMP

Answer 2

SCSI

Question 3

What is the term for the unique identifier assigned to every element in a Fibre Channel network?

A)WWE
B)WWF
C)WWN
D)WWW

Answer 3

WWN

Question 4

Choose the term that correctly completes the following sentence:
_________ facilitates access control in a Fibre Channel network and is typically controlled on a Fibre Channel switch.

A)Masking
B)Zoning
C)Zooming
D)The Gateway

Question 5

Guy, a VMware administrator, has just received confirmation that his LUN request has been granted by the storage team. He has been assured that the LUN has been created and that the ESX environment should be able to use the LUN immediately. When Guy tries to add the new LUN to his ESX system, he does not see the newly created LUN. What should Guy do next?

A)Reboot all hosts; LUNS are only visible after a reboot.
B)Call the storage team and complain about their incompetence.
C)Perform a storage rescan.

Question 6

In which files on an ESXi host is the path selection policy defined?

A)/var/vmware/esx.conf
B)/etc/vmware/esx.conf
C)/var/vmware.esx.conf
D)/var/vmware/esx.cfg
E)/etc/vmware.esx.conf

Question 7

What is the default path selection policy for active-active storage arrays?

A)Fixed
B)Fixed AP
C)Round Robin
D)Most recently used

Question 8

What is the default path selection policy for ALUA (Asymmetric Logical Unit Access) arrays?

A)Fixed
B)Fixed AP
C)Round Robin
D)Most recently used

Question 9

Which path selection policy allows for I/O to be spread across multiple paths to active-active storage arrays?

A)Fixed
B)Fixed AP
C)Round Robin
D)Most recently used

Question 10

What are the two types of native multipathing plugins?

A)SATPs
B)PSPs
C)DVSs
D)HBAs

Question 11

Which of the following tasks does the Pluggable Storage Architecture handle? Select two.

A)User account control for NFS stores
B)The loading and unloading of the multipathing plugins
C)The deletion of expired LUNs
D)Physical path removal and discovery

Question 12

What are the benefits of an ISCSI hardware initiator over a software-based one? Choose two.

A)Hardware initiators are significantly cheaper.
B)Hardware initiators reduce CPU load on the ESX/i host.
C)Hardware initiators are supported by VMware, whereas software initiators are not.
D)Hardware initiators reduce memory load on the ESX/i host.

Question 13

Guy, a VMware administrator, has been instructed to connect to an ISCSI-based storage device and attach a LUN that has been created for him. When Guy tries to configure the ISCSI software initiator, he is unable to do so as the options are "greyed out" What does Guy need to do in order to configure the ISCSI software initiator options?

A)Run the command iscsi - enable /now.
B)Reboot the host.
C)Enable the ISCSI software initiator.
D)Configure ISCSI as allowed for all hosts in the cluster settings.

Question 14

A software ISCSI initiator supports static discovery.

Question 15

What is the protocol used for securing ISCSI sessions to a remote target?

A)CHAT
B)SAPP
C)CHAP
D)SHAP

Question 16

What command is used to add a VMkernel port to the software-based ISCSI initiator?

A)esxcli swiscsi nic add -n <vmkX> -d vmhba33
B)esxcli swiscsi nic add -n <vmkX> -d vmhba38
C)esxcli swiscsi nic add -d <vmkX> -d vmhba33
D)esxcli swiscsi nic add -n <vmkX> -d vmhba34

Question 17

Guy, a VMware administrator, has completed added four VMkernel ports to his software ISCSI initiator. Each of the ports is assigned to its own 1Gb network interface card. However, during throughput testing he is not achieving a throughput greater than 80 Mbps. What is the reason for this?

A)Guy has not rebooted the host.
B)Guy has not changed the path selection policy to Round Robin.
C)Guy has not changed the path selection policy to Fixed.
D)Guy has not changed the path selection policy to MRU.

Question 18

ESXi does not allow for individual storage adapters to be scanned.

Question 19

In the IQN naming convention for ISCSI addressing, what do the first six characters represent? For example IQN.XXXX-XX

A)The hardware address of the physical HBA
B)The year and month that the naming authority was first established
C)The MAC address of the Ethernet controller
D)The unique name assigned to the host

Question 20

What type of adapter is used to connect to NFS-based storage?

A)FC
B)Ethernet
C)ISCSI

Question 21

What type of port is required for establishing a connection to an NFS storage system?

A)VMkernel
B)VMotion
C)FTP
D)VMNFS

Question 22

What is the maximum number of NFS datastores than can be connected to a single ESX host by default?

A)12
B)8
C)32
D)64

Question 23

An NFS is a file-based system, and only one ESX host can access a given NFS datastore at any time.

Question 24

What is the maximum size of a VMFS Volume?

A)2 TB
B)2 TB minus 512 kB
C)64 TB minus 16 kB
D)64 GB

Question 25

What is the maximum size of a LUN that can be attached to an ESX host?

A)2 TB
B)2 TB minus 512 bytes
C)64 TB minus 16 kB
D)64 GB

Question 26

Guy, a VMware administrator, has attached a LUN to his ESX host and split this LUN into 8 separate VMFS volumes. He has added 20 virtual machines to each VMFS volume, but he is receiving complaints that the virtual machines are not performing as expected. What is the reason for this?

A)Best practice dictates that a single VMFS volume should reside on a single LUN.
B)Best practice dictates that no more than 12 virtual machines should reside on a single VMS volume.
C)Guy has not set the advanced option to allow 20 virtual machines to reside on a single VMFS datastore.

Question 27

When an NFS datastore is dismounted, all data on the datastore remains intact.

Question 28

It is possible to apply a username and password challenge to NFS-based storage.

Question 29

What is the maximum number of virtual machines per VMFS volume?

A)64
B)128
C)96
D)256

Question 30

What should be configured on a 10GbE adapter for maximum throughput of ISCSI-based storage?

A)No lock standard
B)MTU of 9000
C)None locking architecture
D)MTU of 256