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2021 Mar 2V0-621 practice exam
Q91. Users are reporting CPU related performance problems on the virtual machine Email-Prod
throughout the day.
The resource settings for the VM and the ESXi host the VM is running on are shown below:
VM:
Email-Prod
vCPUs: 4
Memory: 96GB
ESXi host:
CPU: 2 x 8 Core Processors
Memory: 128GB
NUMA architecturE. 2 Nodes
Which two options would alleviate the observed performance problem for Email-Prod? (Choose two.)
A. Enable the advanced parameter Numa.PageMigEnable.
B. Enable the advanced parameter Numa.AutoMemAffinity.
C. Enable CPU affinity to separate 2 vCPUs for each NUMA node.
D. Enable CPU affinity to bind all vCPUs to one NUMA node.
Answer: B,C
Q92. An administrator is concerned about possible vCPU over-commitment for an ESXi 6.x host.
Which two Performance Counters should be reviewed in the vSphere Web Client Performance Charts to confirm if there is contention on the host? (Choose two.)
A. Wait
B. Ready
C. Core Utilization
D. Co-Stop
Answer: B,D
Q93. Refer to the Exhibit.
An administrator has created the DRS cluster shown in the Exhibit.
Based on the exhibit, which statement is true?
A. Under CPU contention, Prod-VM1 receives four times the CPU resources than Test-VM1.
B. The Prod-VM1 will always have more CPU resources than all other virtual machines.
C. The Test-VM2 will always have less CPU resources than all other virtual machines.
D. Under CPU contention, Test-VM1 will receive 25% of the total CPU resources.
Answer: A
Q94. Refer to the Exhibit.
An administrator is configuring a storage device as shown in the Exhibit.
What is the expected effect on the stated device after running the command?
A. I/O will rotate on all storage targets regardless of port group state.
B. I/O will rotate on all storage targets that are Active Optimized state only.
C. I/O will rotate on all storage targets that are Active Unoptimized state only.
D. I/O will rotate on all storage targets that are on Available Nodes only.
Answer: B
Q95. VMware vSphere Replication protects virtual machines from partial or complete site failures by replicating the virtual machines between which three sites? (Choose three.)
A. From a source site to a target site.
B. From within a single site from one cluster to another.
C. From multiple source sites to a shared remote target site.
D. From a single source site to multiple remote target sites.
E. From multiple source sites to multiple remote target sites.
Answer: A,B,C
Latest 2V0-621 practice exam:
Q96. Which three statements are correct regarding Fibre Channel over Ethernet (FCOE)? (Choose three.)
A. The network switch must have Priority-based Flow Control (PFC) set to AUTO.
B. The network switch must have Priority-based Flow Control (PFC) set to ON.
C. Each port on the FCoE card must reside on the same vSwitch.
D. Each port on the FCoE card must reside on a separate vSwitch.
E. The ESXi host will require a reboot after moving an FCoE card to a different vSwitch.
Answer: A,D,E
Q97. Which two statements are true regarding upgrading from a Distributed vCenter Server 5.x to vCenter Server 6.x? (Choose two.)
A. vCenter Single Sign-on becomes part of the Platform Services Controller.
B. vCenter Inventory Service becomes part of the Platform Services Controller.
C. The vCenter Server service is not migrated during the upgrade process.
D. The vSphere License Service is migrated to the new vCenter Server 6.x instance.
Answer: A,C
Q98. An administrator uses the df -h command and notices that an NFS datastore is reporting a
capacity of 0 Bytes.
What condition would cause this to occur?
A. The NFS server on which the datastore resides is down.
B. The datastore was mounted as Read/Write.
C. The datastore was mounted as Read-Only.
D. The datastore was created with NFS version 4.1.
Answer: A
Q99. An administrator is observing slow performance of the vCenter Inventory Service and observes the entries from the wrapper.log file:
Exception in thread "tomcat-exec-2" java.lang.OutOfMemoryError: Java heap spaceException in thread "http-bio-0.0.0.0-10443-Acceptor-0" java.lang.OutOfMemoryError: Java heap space
What should the administrator do to resolve the problem?
A. Increase the memory resources of the vCenter Server.
B. Increase the values using cloudvm-ram-size.
C. Increase the memory resouces of the Platform Services Controller.
D. Increase the wrapper.java.maxmemory value in wrapper.conf.
Answer: A
Q100. 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