An administrator is installing an ESX Host to boot from a SAN LUN. The storage array is an active/passive array. After configuring the boot LUN and installing ESX, the system does not boot properly.Which of the following could cause this issue?

An administrator is installing an ESX Host to boot from a SAN LUN. The storage array is an active/passive array. After configuring the boot LUN and installing ESX, the system does not boot properly.Which of the following could cause this issue? 

A. The Storage Processor port specified in the BIOS configuration of the HBA is passive
B. The LUN specified in the BIOS configuration of the HBA is active
C. The Storage Processor port specified in the BIOS configuration of the HBA is active
D. The LUN specified in the BIOS configuration of the HBA is passive






Answer: A

What is the meaning of a red, or critical, indicator on a DRS cluster?

What is the meaning of a red, or critical, indicator on a DRS cluster? 

A. Red clusters are the highest priority and will receive resource allocations first
B. At least one host in the cluster is attempting to go into Maintenance Mode
C. Yellow clusters will become red after 15 minutes if DRS is unable to dynamically balance the load
D. Red clusters indicate virtual machines are using more resources than the fixed reservation allows







Answer: D

While verifying host connectivity to datastores using Topology Maps, you see that one of the hosts in a DRS/HA Cluster has a red X. What does this indicate?

While verifying host connectivity to datastores using Topology Maps, you see that one of the hosts in a DRS/HA Cluster has a red X. What does this indicate? 

A. The host has failed as part of an HA event
B. The host cannot access the selected datastore
C. The host cannot be contacted to update the Topology Map
D. The host is not compatible for VMotion migration








Answer: D

An administrator is responsible for enabling file access for desktop users. A number of users have logged complaints that they cannot access their files. An alert in the vSphere client states that storage connectivity to all hosts has been triggered. The storage screen indicates everything is connected, but the triggered alert has not been acknowledged this alert. Which of the following would successfully correct the user access issue?

An administrator is responsible for enabling file access for desktop users. A number of users have logged complaints that they cannot access their files. An alert in the vSphere client states that storage connectivity to all hosts has been triggered. The storage screen indicates everything is connected, but the triggered alert has not been acknowledged this alert.
Which of the following would successfully correct the user access issue? 

A. Rescan the storage on the File sharing virtual machine on which the users are seeing the problem.
B. Tell each user to reboot their computers.
C. Reconnect the storage containing the users files to the host which is running the File sharing virtual machine. Rescan the storage on all the hosts in the cluster.
D. Reconnect the storage containing the users files to the host which is running the File sharing virtual machine. Rescan the affected host, then refresh the remaining hosts if needed.







Answer: C

Which of these factors indicates a high likelihood that the performance of a virtual machine is being constrained by disk I/O?

Which of these factors indicates a high likelihood that the performance of a virtual machine is being constrained by disk I/O? 

A. A long SCSI queue length
B. A large number of disk shares
C. A large number of kilobytes read and written
D. A large number of virtual disks on its SCSI bus








Answer: A

Which of the following resource management techniques could be used to relieve a network bottleneck caused by a VM with occasional high outbound network activity?

Which of the following resource management techniques could be used to relieve a network bottleneck caused by a VM with occasional high outbound network activity? 

A. apply traffic shaping to the VM with high activity
B. apply traffic shaping to the port group containing the virtual machine
C. convert the switch from a vNetwork Standard Switch to a vNetwork Distributed Switch
D. apply traffic shaping to the other VMs in the same port group







Answer: B

When memory is reclaimed from a virtual machine using vmmemctl, what is the maximum amount that can be reclaimed by default?

When memory is reclaimed from a virtual machine using vmmemctl, what is the maximum amount that can be reclaimed by default? 

A. 65% of the unreserved memory
B. 65% of the configured memory
C. 50% of the configured memory
D. 50% of the unreserved memory






Answer: A

What is a function of the vmmemctl driver?

What is a function of the vmmemctl driver? 

A. enables transparent page sharing
B. reclaims unused memory from the guest OS
C. allows the operation of unsupported guest OS types
D. enables swapping of the virtual machines







Answer: B

A Windows virtual machine (VM) is experiencing poor application performance. The suspected issue is a lack of available memory. Windows Task Manager shows 30% of the memory within the VM is not currently being used. What does this indicate and what could be checked next?

A Windows virtual machine (VM) is experiencing poor application performance. The suspected issue is a lack of available memory. Windows Task Manager shows 30% of the memory within the VM is not currently being used. What does this indicate and what could be checked next? 

A. The VM has memory available, however it may not actually have physical memory available. VMkernel swap activity on the ESX Server host should be checked next.
B. Windows Task Manager is not reading actual memory usage in the VM. Windows System Monitor should be used to get a precise reading on memory usage.
C. The application problems are definitely due to a non-memory related problem. CPU affinity settings should be checked for this VM.
D. The application problems are definitely due to a non-memory related problem. CPU utilization should be checked next using Windows Task Manager.




Answer: A

Which is a valid traffic shaping adjustment?

Which is a valid traffic shaping adjustment? 

A. peak bandwidth adjusted in mbps
B. peak bandwidth adjusted in kbps
C. minimum bandwidth adjusted in mbps
D. minimum bandwidth adjusted in kbps







Answer: B

When ABC.com configuring the NTP server with MSCS clustered virtual machines, the best practice is?

When ABC.com configuring the NTP server with MSCS clustered virtual machines, the best practice is? 

A. Enable host based time synchronization for domain controllers, cluster nodes and guest virtual machines.
B. Synchronize domain controllers and cluster nodes with a common NTP server and enable host based time synchronization in the guest.
C. NTP should not be used in conjunction with MSCS clustered virtual machines.
D. Synchronize domain controllers and cluster nodes with a common NTP server, and disable host based time synchronization in the guest.








Answer: D

Which type of Virtual SCSI adapter must be used for a Windows Server 2008 server in a MSCS cluster?

Which type of Virtual SCSI adapter must be used for a Windows Server 2008 server in a MSCS cluster? 

A. LSI Logic SAS
B. LSI Logic Parallel
C. BusLogic SAS
D. BusLogic Parallel






Answer: A

A developer wishes to disable logging for a number of virtual machines used for testing purposes, in order to maximize available datastore space. Which of the following methods can be used to disable virtual machine logging?

A developer wishes to disable logging for a number of virtual machines used for testing purposes, in order to maximize available datastore space. Which of the following methods can be used to disable virtual machine logging? 

A. Manually edit the virtual machine .vmx file and set log.keepOld=0
B. Manually edit the virtual machine .vmx file and set logging=false
C. Choose Edit Settings in the vSphere Client. Under Options > Advanced > General, check Disable Logging
D. Choose Edit Settings in the vSphere Client. Under Options > Advanced > General, uncheck Enable Logging





Answer: D

The remote console performance for a virtual machine on an ESXi Host appears to be degraded. Which of the following could be a possible cause of the problem (Choose Two)?

The remote console performance for a virtual machine on an ESXi Host appears to be degraded.
Which of the following could be a possible cause of the problem (Choose Two)? 

A. The physical NIC assigned to the virtual machine port group containing the affected virtual machine has a speed or duplex mismatch
B. The virtual NIC assigned to the virtual machine has a speed or duplex mismatch
C. The physical NIC assigned to the Service Console port group has a speed or duplex mismatch
D. The physical NIC assigned to the VMkernel port group has a speed or duplex mismatch






Answer: B,D

To list the current firewall settings which command would you use?

To list the current firewall settings which command would you use? 

A. esxcfg-firewall -d
B. esxcfg-firewall -l
C. esxcfg-firewall -q
D. esxcfg-firewall -u




Answer: C

An administrator decides to use vCenter Data Recovery to backup some key virtual machines. Which of the following describes the process needed to install vCenter Data Recovery?

An administrator decides to use vCenter Data Recovery to backup some key virtual machines.
Which of the following describes the process needed to install vCenter Data Recovery? 

A. Run the vCenter installer using Custom as the choice for type of installation then follow the prompts to install the tool.
B. Locate the folder on the vCenter media and install VDR to the vCenter Server
C. Download the OVF and copy it to a datastore that is visible to the managed hosts. Right-click on the .ovf file and choose Add to Inventory
D. Download the OVF and import it using the vSphere Client







Answer: D

An administrator decides to use vCenter Data Recovery to back up virtual machines. After downloading the VMware Data Recovery virtual appliance and importing it into vCenter, the administrator does not see the plugin listed as an available plugin in vCenter. What additional action must be taken before the plugin is available in vCenter?

An administrator decides to use vCenter Data Recovery to back up virtual machines. After downloading the VMware Data Recovery virtual appliance and importing it into vCenter, the administrator does not see the plugin listed as an available plugin in vCenter.
What additional action must be taken before the plugin is available in vCenter? 

A. The vCenter Server Service must be restarted
B. The VMwareDataRecoveryPlugin.msi file must be installed on the VDR Appliance
C. The VMwareDataRecoveryPlugin.msi file must be installed on the vCenter Server
D. The VMwareDataRecoveryPlugin.msi file must be installed on the system running the vSphere Client






Answer: D

What is the maximum number of backup or restore jobs that VMware Data Recovery can run concurrently?

What is the maximum number of backup or restore jobs that VMware Data Recovery can run concurrently? 

A. 8
B. 4
C. 16
D. 2






Answer: A

Which of the following steps are required to successfully install VMware Data Recovery (Choose Two)?

Which of the following steps are required to successfully install VMware Data Recovery (Choose Two)? 

A. The Client Plug-in must be installed in the vSphere Client
B. The VMware Data Recovery server component must be installed on the vCenter Server
C. A shared backup disk or tape device must be designated
D. The VMware Data Recovery Backup Appliance must be installed to a managed ESX Host







Answer: A,D

When migrating a machine with VMotion, what is the difference between High Priority and Low Priority (Choose Two)? A. High priority reserves resources on the host and destination. High priority migrations will not proceed if the resources are unavailable. B. Low priority does not reserve resources on the host and destination. Low priority migrations will not proceed if the resources are unavailable. C. Low priority does not reserve resources on the host and destination. Low priority migrations always succeed. D. High priority reserves resources on the host and destination. High priority migrations always succeed. Answer: A,C

When migrating a machine with VMotion, what is the difference between High Priority and Low Priority (Choose Two)? 

A. High priority reserves resources on the host and destination. High priority migrations will not proceed if the resources are unavailable.
B. Low priority does not reserve resources on the host and destination. Low priority migrations will not proceed if the resources are unavailable.
C. Low priority does not reserve resources on the host and destination. Low priority migrations always succeed.
D. High priority reserves resources on the host and destination. High priority migrations always succeed.





Answer: A,C

Which of the following are requirements for successful VMotion migration (Choose Two)?

Which of the following are requirements for successful VMotion migration (Choose Two)? 

A. Virtual Machines must have access to the same subnets on the source and destination hosts
B. Gigabit Ethernet networking must exist between the source and destination hosts
C. Virtual Machines cannot be configured to use RDMs
D. CPUs with the same clock speed and cache size must exist on both the source and destination hosts





Answer: A,B

A virtual machine has been created with a guest OS virtual disk in one datastore and a data virtual disk in another datastore. Snapshots are being used on the virtual. machine. Which of the following conditions would generate an error during a migration attempt (Choose Two)?

A virtual machine has been created with a guest OS virtual disk in one datastore and a data virtual disk in another datastore. Snapshots are being used on the virtual. machine. Which of the following conditions would generate an error during a migration attempt (Choose Two)? 

A. When using Cold Migration to move between AMD and Intel CPUs
B. When using Storage VMotion
C. When using Cold Migration to move the Virtual machine to a different datastore(s)
D. When using VMotion migration






Answer: B,D

What function does VMware Enhanced VMotion Compatibility provide?

What function does VMware Enhanced VMotion Compatibility provide? 

A. The ability to VMotion virtual machines between ESX?ESXi hosts containing CPUs with a common supported baseline
B. The ability to VMotion virtual machines between ESX?ESXi hosts with Intel and AMD processors
C. The ability to VMotion virtual machines between ESX?ESXi hosts with different core counts
D. The ability to VMotion virtual machines between ESX?ESXi hosts containing CPUs with hardware virtualization and CPUs without this support






Answer: A

Which of the following migration techniques can be used to move virtual disk files to another datastore (Choose Two)?

Which of the following migration techniques can be used to move virtual disk files to another datastore (Choose Two)? 

A. VMware Data Recovery
B. VMotion
C. Migrating a Suspended Virtual Machine
D. Storage VMotion





Answer: C,D

Which of the following are true about the share value for a virtual machine after it has been added to a Resource Pool (Choose Two)?

Which of the following are true about the share value for a virtual machine after it has been added to a Resource Pool (Choose Two)? 

A. If a previously defined share level (high, medium, low) exists, the %Shares value is adjusted to reflect the total number of shares in use in the Resource Pool
B. If a previously defined custom share value exists, the %Shares value is adjusted to reflect the total number of shares in use in the Resource Pool
C. If a previously defined share level (high,medium,low) exists, the %Shares value is maintained
D. If a previously defined custom share value exists, the %Shares value is maintained







Answer: A,D

Several Virtual Machines residing in a resource pool are exhibiting poor performance, and a critical VM in the pool appears hung. The resource pool has been allocated exactly 500 MHA of CPU and does not have the Expandable Reservation option selected. The cluster in which the resource pool resides has a total of 6000 MHz, with 1000 MHA available. Which step can be used to increase the performance of the critical VM?

Several Virtual Machines residing in a resource pool are exhibiting poor performance, and a critical VM in the pool appears hung. The resource pool has been allocated exactly 500 MHA of CPU and does not have the Expandable Reservation option selected. The cluster in which the resource pool resides has a total of 6000 MHz, with 1000 MHA available. Which step can be used to increase the performance of the critical VM? 

A. increase the CPU Reservations on the resource pool
B. increase the CPU Limit on the resource pool
C. increase the CPU Limit on the critical VM
D. increase the CPU Reservations on the critical VM






Answer: B

In the vSphere Client the Virtual Machine Resource Allocation tab shows Host Memory and Guest Memory. What is the meaning of these terms? (Choose Two)?

In the vSphere Client the Virtual Machine Resource Allocation tab shows Host Memory and Guest Memory. What is the meaning of these terms? (Choose Two)? 

A. Guest Memory is the actual memory usage of the Virtual Machine
B. Host memory is the amount of physical memory that has been allocated to a Virtual Machine
C. Guest Memory is amount of physical memory that has been allocated to a Virtual Machine
D. Host memory is the actual memory usage of the Virtual Machine.






Answer: A,B

Which of the following are benefits of using resource pools (Choose Two)?

Which of the following are benefits of using resource pools (Choose Two)? 

A. access control and delegation
B. decreased virtualization overhead
C. isolation between pools, sharing within pools
D. improved network utilization
E. flexible hierarchical organization




Answer: A,C

A resource pool exists with a memory reservation of 14GB. The pool has 5 single-processor virtual machines and 2 dual-processor virtual machines. Each of these VMs has a memory reservation of 2GB. When an attempt is made to power on the seventh Virtual Machine in the resource pool, a single-processor VM with a 2GB memory reservation, a warning states there is insufficient memory resources to power on the VM. The reason for this warning is?

A resource pool exists with a memory reservation of 14GB. The pool has 5 single-processor virtual machines and 2 dual-processor virtual machines. Each of these VMs has a memory reservation of 2GB. When an attempt is made to power on the seventh Virtual Machine in the resource pool, a single-processor VM with a 2GB memory reservation, a warning states there is insufficient memory resources to power on the VM. The reason for this warning is? 

A. The VMkernel device drivers are consuming memory
B. Service Console memory has not been increased to accommodate the virtual machine workload
C. Overhead memory for the VMs is consuming memory in the resource pool
D. Memory reservations for the VMs are consuming memory in the pool





Answer: C

When adjusting the slider to allocate resources for a Resource Pool, the yellow indicator on the resource bar indicates?

When adjusting the slider to allocate resources for a Resource Pool, the yellow indicator on the resource bar indicates? 

A. A warning flag set at 75% of the remaining available resources
B. the remaining resources available
C. the recommended resource amount
D. the minimum required resource amount







Answer: B

Resource Pools at the same level are called?

Resource Pools at the same level are called? 

A. Parent Pools
B. Root Resource Pools
C. Child Pools
D. Sibling Pools






Answer: D

ESX Service Console user authentication (Choose Two)?

ESX Service Console user authentication (Choose Two)? 

A. requires users to change their passwords every 6 months by default
B. can use a central directory service for password checking only
C. requires local accounts
D. controls vCenter authentication for vSphere Client users






Answer: B,C

Which memory conservation technique allows the secure elimination of redundant copies of memory pages between virtual machines on the host?

Which memory conservation technique allows the secure elimination of redundant copies of memory pages between virtual machines on the host? 

A. VMkernel Swap
B. RAM Overcommit
C. Memory Balloon Driver
D. Transparent Page Sharing






Answer: D

An administrator has 2 ESX Hosts, both with a Production and a Test Resource Pool. Which of the following is true when these hosts are added to a cluster that is not enabled for DRS?

An administrator has 2 ESX Hosts, both with a Production and a Test Resource Pool. Which of the following is true when these hosts are added to a cluster that is not enabled for DRS? 

A. The resource pools are grafted into the cluster, resulting in 2 sets of separate Production and Test pools
B. The resource pools are combined into a single Production and a single Test pool for the cluster
C. The resource pools are removed
D. An option is given during the process to graft or combine the pools






Answer: C

An Administrator notices that when a virtual machine is placed into a resource pool, a warning indicates that the virtual machine would receive a very large percentage of the total shares for memory. Which of the following actions could be taken to resolve this problem?

An Administrator notices that when a virtual machine is placed into a resource pool, a warning indicates that the virtual machine would receive a very large percentage of the total shares for memory. Which of the following actions could be taken to resolve this problem? 

A. Increase the memory resource allocation to the resource pool
B. Change the Shares setting from High to Medium or Low for the virtual machine
C. Change the Shares setting from custom to High, Medium or Low for the virtual machine
D. Increase the Share value for the resource pool




Answer: C

Establishing a Virtual Machine memory reservation guarantees (Choose Two)?

Establishing a Virtual Machine memory reservation guarantees (Choose Two)? 

A. Minimum physical memory guaranteed to the Virtual Machine while the VM is running
B. Virtual memory for the VMkernel to start the Virtual Machine
C. Minimum virtual memory guaranteed to the Virtual Machine while the VM is running
D. Physical memory for the VMkernel to start the Virtual Machine






Answer: A,D

An administrator views the Fault Tolerance pane of the summary tab of a VM and finds that the current status is Not Protected. Which of the following is a valid reason the VM might not be Protected (Choose Two)?

An administrator views the Fault Tolerance pane of the summary tab of a VM and finds that the current status is Not Protected. Which of the following is a valid reason the VM might not be Protected (Choose Two)? 

A. Need Primary VM - The Secondary VM is running and a new Primary VM can not be generated
B. Disabled - Fault Tolerance is currently disabled
C. Stopped - Fault Tolerance has been stopped on the Secondary VM
D. Need Secondary VM - The Primary VM is running without a Secondary VM and is not Protected







Answer: B,D

Which of the following vSphere features cannot be used with virtual machines that are enabled for VMware Fault Tolerance (Choose Two)?

Which of the following vSphere features cannot be used with virtual machines that are enabled for VMware Fault Tolerance (Choose Two)? 

A. VMware SMP
B. VMware DRS
C. VMware EVC
D. RDMs in Virtual Compatibility Mode






Answer: A,B

Which of the following occurs if VMware Fault Tolerance is enabled for a virtual machine in a DRS/HA cluster, but Host Monitoring is not enabled for VMware HA?

Which of the following occurs if VMware Fault Tolerance is enabled for a virtual machine in a DRS/HA cluster, but Host Monitoring is not enabled for VMware HA? 

A. If the primary FT VM fails, the secondary FT VM does not take over
B. Anti-affinity rules for the FT VM cannot be upheld and both the primary and secondary FT VM could reside on the same host
C. If the primary FT VM fails, a new secondary FT VM is not created and the VM is no longer redundant
D. Memory reservations for the FT VM cannot be upheld and there might not be sufficient resources to restore redundancy if an HA event occurs







Answer: C

Which of the following are valid use cases for VMware Fault Tolerance (Choose Three)?

Which of the following are valid use cases for VMware Fault Tolerance (Choose Three)? 

A. An administrator wants to provide continuous availability if a business critical application fails
B. An administrator wants to provide on-demand fault tolerance for a virtual machine during a critical operation
C. An administrator wants application high availability for applications that are not cluster aware
D. An administrator wants to provide continuous availability if a critical hardware component fails
E. An administrator wants to provide fault tolerance for one or more physical servers






Answer: B,C,D

Thanks to Anti-affinity rules, VMware Fault Tolerant virtual machines are?

Thanks to Anti-affinity rules, VMware Fault Tolerant virtual machines are? 

A. Sometimes located on the same host, but only in a powered off state
B. Never located on the same host
C. Sometimes located on the same host if an HA event occurs
D. Never located within the same cluster







Answer: A

Which of the following is the technology used by VMware Fault Tolerance?

Which of the following is the technology used by VMware Fault Tolerance? 

A. VMware vSafe
B. VMware vCluster
C. VMware vLockstep
D. VMware vShield






Answer: C

The maximum number of hosts in a VMware HA cluster is?

The maximum number of hosts in a VMware HA cluster is? 

A. 8
B. 16
C. 32
D. 24







Answer: C

Vmware vCenter Server is running within a virtual machine (VM) that is part of a VMware HA and DRS cluster. The vCenter Server VM has been tested and can successfully vMotion migrate between all hosts in the cluster. DRS is configured for partial automation. What happens if the ESX host that is currently running the vCenter Server VM experiences a power outage?

Vmware vCenter Server is running within a virtual machine (VM) that is part of a VMware HA and DRS cluster. The vCenter Server VM has been tested and can successfully vMotion migrate between all hosts in the cluster. DRS is configured for partial automation.
What happens if the ESX host that is currently running the vCenter Server VM experiences a power outage? 

A. VMware HA will restart the vCenter Server VM on another host
B. vCenter Server will remain offline, but all VMs on the remaining hosts will continue without interruption
C. This situation cannot occur because vCenter Server cannot be installed on a VMware HA cluster
D. All DRS cluster operations will be unavailable until the failed ESX Host is brought back online








Answer: A

Which of the following are requirements for a fully functional VMware HA cluster (Choose Two)?

Which of the following are requirements for a fully functional VMware HA cluster (Choose Two)? 

A. compatible CPUs in each host
B. sufficient capacity to support at least one host failover
C. access to shared storage from all hosts
D. a minimum of 2 Service Console ports








Answer: B,C

An administrator is configuring a VMware HA Cluster for three hosts and their resident VMs. The HA cluster will be configured to support a single host failure and resource reservations must be enforced during a failover event. Assuming default settings, how does HA determine the failover capacity determined?

An administrator is configuring a VMware HA Cluster for three hosts and their resident VMs. The HA cluster will be configured to support a single host failure and resource reservations must be enforced during a failover event. Assuming default settings, how does HA determine the failover capacity determined? 

A. Using the highest CPU Reservation and the Available Memory values for any given virtual machine in the cluster
B. Using an average of the total CPU Reservation and Available Memory values of all virtual machines in the cluster
C. Using an average of the total CPU Reservation and Memory Reservation values of all virtual machines in the cluster
D. Using the highest CPU Reservation and Memory Reservation values of any given virtual machine in the cluster





Answer: D

An Administrator is configuring a VMware HA Cluster for three hosts and their resident VMs. The HA cluster will be configured to support a single host failure and resource considerations must be enforced during a failover event. To accomplish this task?

An Administrator is configuring a VMware HA Cluster for three hosts and their resident VMs. The HA cluster will be configured to support a single host failure and resource considerations must be enforced during a failover event. To accomplish this task? 

A. Each host in the cluster must be able to accommodate the VM with the largest configured available memory
B. All potential remaining hosts during a failure event must be able to accommodate the sum total of all VM memory configurations
C. There must be enough cluster resources based on memory and CPU reservations to account for any potential host failure
D. Each host in the cluster must be able to accommodate the VM with the highest CPU limit value






Answer: C

Which of the following conditions could prevent HA from powering on a virtual machine (Choose Two)?

Which of the following conditions could prevent HA from powering on a virtual machine (Choose Two)? 

A. The VM is connected to the ESX Host CD-ROM drive
B. The target host is not compatible with the virtual machine
C. Strict admission control is configured
D. The VM has a low priority setting





Answer: C,D

Which of the following are true regarding the ESX Service Console file system structure (Choose Two)?

Which of the following are true regarding the ESX Service Console file system structure (Choose Two)? 

A. separate mount points are created for /tmp, /var/log and swap by default
B. running out of space on /var/log can cause vSphere Client connectivity disruptions
C. running out of space on /can cause vSphere Client connectivity disruptions
D. separate mount points are created for /var/log and swap by default







Answer: C,D