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2021 Apr 2V0-621 question
Q71. What will occur if the .nvram file is deleted from a powered off virtual machine?
A. The .nvram file will get created the next time the virtual machine is powered on.
B. Restoring the file from backup is needed to allow the virtual machine to power on.
C. The virtual machine will fail to power on and enter an Orphaned state.
D. The virtual machine will fail to power on and enter an Inaccessible state.
Answer: A
Q72. Which two statements are true regarding upgrading ESXi 6.x hosts using a USB flash drive? (Choose two.)
A. The ks.cfg file must be available to the ESXi 6.x host during bootup on a TFTP server.
B. The USB flash drive must be formatted using Fat32.
C. A partition table must be manually created on the USB flash device.
D. The USB flash drive must be mounted from a Windows device with sysconfig installed.
Answer: B,C
Q73. After successfully adding a new ESXi 6.x host to vCenter Server, an administrator sees it as Not Responding in the vSphere Web Client interface a few minutes later.
If the issue is caused by a network firewall blocking traffic, which port must be opened to correct this specific problem?
A. 443 (TCP)
B. 443 (UDP)
C. 902 (TCP)
D. 902 (UDP)
Answer: D
Q74. Refer to the Exhibit.
An administrator receives an error on a vSphere cluster as shown in the Exhibit.
Based on the exhibit, which three configuration changes can resolve the error? (Choose three.)
A. Change the Admission Control policy for the cluster.
B. Adjust CPU and Memory reservations of the virtual machines.
C. Increase the amount of failover resources in the cluster.
D. Reconfigure the ESXi host cluster for High Availability.
E. Disable Virtual Machine Monitoring.
Answer: A,B,C
Q75. An administrator tries to capture network traffic for a virtual machine, but cannot see the expected traffic in the packet capture tool.
Which step can resolve the problem?
A. Migrate the virtual machine to a Distributed Virtual Switch.
B. Enable Promiscous Mode on the relevant port group.
C. Modify the default value of MAC Address changes.
D. Enable Forged Transmits on the virtual machine.
Answer: B
Q76. Refer to the Exhibit.
An administrator is troubleshooting a CPU performance related problem for the SlowVM virtual machine.
Which three actions should the administrator take to improve CPU performance for SlowVM? (Choose three.)
A. Increase the number of vCPUs assigned to SlowVM.
B. Decrease the number of vCPUs assigned to SlowVM.
C. Power off other VMs running on the same ESXi host.
D. Increase the CPU limit for SlowVM.
E. Move SlowVM to another ESXi host with more physical CPU resources available.
Answer: B,C,E
Q77. Refer to the Exhibit.
An administrator would like to add Challenge Handshake Authentication Protocol (CHAP) to an iSCSI adapter. The administrator accesses the Storage Adapters menu as shown in the Exhibit.
In which tab can the task be accomplished?
A. Properties
B. Advanced Options
C. Targets
D. Devices
Answer: A
Q78. An administrator is troubleshooting a performance problem with a virtual machine (VM). The VM and ESXi host configuration is as follows:
. The application which runs within the virtual machine is highly sensitive to memory latency, but has low processor utilization.
. The virtual machine has 6 vCPUs.
. The ESXi host CPU topology has 2 Physical CPU Sockets, each with 8 Logical CPUs.
. The ESXi host CPU has Hyper Threading enabled.
The administrator would like to improve CPU performance for this VM. Other VMs on the host have no performance issues. Which action should the administrator take to resolve the issue?
A. Set the Advanced Parameter numa.vcpu.preferHT = TRUE in the virtual machine configuration file.
B. Set the Advanced Parameter numa.vcpu.preferHT = FALSE in the virtual machine configuration file.
C. Set the Advanced Parameter numa.PreferHT = 1 in the ESXi host configuration file.
D. Set the Advanced Parameter numa.PreferHT = 0 in the ESXi host configuration file.
Answer: A
Q79. An administrator wants to select a Host Power Management Policy for an ESXi 6.x host that will disable most hardware power management features.
Which Host Power Management Policy should be selected to meet this requirement?
A. High Performance
B. Balanced
C. Low Power
D. Disabled
Answer: A
Q80. What is the name of the High Availability agent log?
A. fdm.log
B. ha.log
C. vpxa.log
D. aam.log
Answer: A