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The Stargate service becomes unavailable on a single CVM on an AHV node. What is used to maintain I/O operations in the cluster?
A. Route injection
B. iSCSl redirector
C. Hypervisor HA
D. ha.py
Explanation: According to the Nutanix Support & Insights web search result1, route injection is used to maintain I/O operations in the cluster when the Stargate service becomes unavailable on a single CVM on an AHV node. Route injection is a mechanism that allows the CVMs to communicate with each other and redirect the I/O requests to another healthy CVM in the cluster. Route injection uses the Linux kernel routing table to add or delete routes dynamically, based on the availability of the Stargate service on each CVM.
An administrator responsible for a VDl environment needs to investigate reports of slow logins. The administrator finds that increasing the number of vCPUs from 2 to 4 will reduce the login times. Production workloads are consuming 75% of the host CPU on the cluster. The administrator increases the vCPU count on all of the VDl VMs.
What are two impacts on the cluster? (Choose two)
A. Increasing CPU counts will decrease memory utilization
B. Increase memory utilization%
C. Increase CPU utilization%
D. Increase CPU ready%
Explanation:
According to the web search results, the two impacts on the cluster that will result from increasing the vCPU count on all of the VDI VMs are:
Increase CPU utilization%: CPU utilization is the percentage of time that a CPU is busy executing instructions5. By increasing the vCPU count on all of the VDI VMs, the administrator will increase the demand for CPU resources on the cluster, which will increase the CPU utilization percentage6.
Increase CPU ready%: CPU ready is the percentage of time that a vCPU is ready to run but is waiting for a physical CPU to become available5. By increasing the vCPU count on all of the VDI VMs, the administrator will increase the contention for physical CPU resources on the cluster, which will increase the CPU ready percentage6. A high CPU ready percentage can indicate performance issues such as latency or slowdowns5.
An administrator has a Custom backup application that requires a 2TB disk and runs m Windows. Throughput is considerably lower than expected.
The application was installed on a VM with the following configuration:
• FOU vCPUs with one core/vCPU
• 4GB of Memory
• One 50GB vDisk for the Windows installation
• One 2TB vDisk for the application
What is the recommended configuration change to improve throughput?
A. Add 4GB of memory to the VM
B. Increase the vCPUs assigned to the VM
C. Span the 2TB disk across four vDisks
D. Increase the number of cores per vCPU
What is the function of the virbr0 bridge on AHV?
A. To carry all traffic between the user VMs and the upstream network.
B. To carry management and storage communication between user VMs and the CVM.
C. To carry management and storage communication between user VMs and AHV host.
D. To carry storage communication between the guest VMs and the CVM
Which capability refers to the storage of VM data on the node where the VM is running and ensure that the read I/O does not have to traverse the network?
A. Intelligent Locally
B. Data Locality
C. Intelligent Tiering
D. Data Tiering
Explanation: Data locality is the capability of storing VM data on the node where the VM is running and ensuring that the read I/O does not have to traverse the network. Data locality is a unique feature of Nutanix that provides high performance and low latency for VMs by minimizing network traffic and crosstalk. Data locality works by writing one copy of the data local to the VM and the other copy (or copies) on other nodes. When a VM migrates to another node, Nutanix also moves its data to the new node and serves all I/O requests locally. Data locality also adapts to changing workloads and access patterns by dynamically moving data to where it is needed most1.
Which two methods are available when migrating a VM from a legacy 3-tier solution using VMware ESXi to AHV? (Choose two.)
A. Deploy the Move appliance.
B. Use Cross-Hypervisor DR.
C. Import the .vmdk into the Image Service.
D. Use shared nothing live migration.
Explanation: Deploy the Move appliance and Import the .vmdk into the Image Service. These are two methods that can be used to migrate a VM from VMware ESXi to AHV2. The Move appliance is a tool that automates the migration process by converting the VM disks and configuration to AHV format and transferring them to the Nutanix cluster3. The Image Service is a feature that allows users to upload and manage disk images that can be used to create or clone VMs on AHV4. By importing the .vmdk file of the VMware VM into the Image Service, users can create a new AHV VM from that image.
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