Question bank
Nutanix Certified Professional - Multicloud Infrastructure
41 Nutanix Certified Professional - Multicloud Infrastructure questions with the correct answer and a written explanation, organised across 6 exam domains.
- 41 questions
- 6 domains
- Foundation level
certilumQuestion index
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AHV Virtualization
8 questions in this domain
- Question 1Single Choice
What is a critical risk when VirtIO drivers are not installed in a guest operating system during AHV VM creation?
- AThe VM will not appear in Prism Element.
- BThe VM may fail to boot or may have severely degraded I/O throughput.Correct answer
- CThe VM will be automatically assigned a VLAN from the wrong subnet.
- DThe VM cannot be protected by Nutanix Categories.
Why this is the answer
VirtIO drivers are essential for efficient networking and storage I/O in AHV. Without them, the guest may not boot or may use emulated devices with poor performance.
- Question 2Multiple Select
Which two statements about AHV bonding modes are correct?
- AActive-Backup requires no configuration on the physical upstream switch.Correct answer
- BLACP works automatically once enabled on the AHV host.
- CLACP requires matching link aggregation settings on the physical upstream switch.Correct answer
- DActive-Backup uses all physical NICs simultaneously to double bandwidth.
Why this is the answer
Active-Backup is simple and does not require switch configuration. LACP needs to be configured on both the AHV host and the physical switch to provide link aggregation and redundancy.
- Question 3Interactive
An administrator applies the metadata shown in the code block to a VM. What is this metadata primarily used for in Nutanix AHV?
- ATo select the physical switch used for VM traffic.
- BTo trigger policy-based automation such as Flow microsegmentation or backup schedules.Correct answer
- CTo define the VM's vCPU and memory reservation.
- DTo set the VM's boot order and disk controller type.
Why this is the answer
Nutanix Categories are metadata tags that can trigger automated policies, including Flow microsegmentation and backup through Nutanix Protect or Mine. They are not traditional VM tags or network settings.
- Question 4Single Choice
Why is it a common mistake to apply a CPU or memory reservation to every VM in an AHV cluster?
- AIt causes the cluster to create a new bridge for each VM.
- BIt can result in resource fragmentation and wasted capacity.Correct answer
- CIt prevents Nutanix Categories from being applied.
- DIt disables VirtIO drivers for Linux virtual machines.
Why this is the answer
Reservations guarantee resources, but applying them everywhere reduces the ability to overcommit, fragments available capacity, and lowers cluster density.
- Question 5Multiple Select
Which two functions are performed by Acropolis Dynamic Scheduling (ADS)?
- AMonitors resource utilization and live-migrates VMs to balance workloads.Correct answer
- BAutomatically creates VLANs in the physical switch.
- CPrevents individual nodes from becoming resource bottlenecks.Correct answer
- DReplaces the need for VirtIO drivers in the guest OS.
Why this is the answer
ADS continuously monitors resource use and live-migrates VMs to balance load, preventing any node from bottlenecking.
- Question 6Interactive
A VM policy is defined in the code block. What will happen when two VMs are assigned to this policy?
- AThe VMs will be placed on the same host to minimize latency.
- BThe VMs will be placed on different hosts to survive a host failure.Correct answer
- CThe VMs will be placed on a host with the least storage usage.
- DThe VMs will be placed on the same host if they use VirtIO.
Why this is the answer
Anti-affinity rules keep specified VMs on separate hosts, reducing the blast radius of host failure. Affinity rules would place them together.
- Question 7Single Choice
What is the default bridge used in AHV networking?
- Abond0
- Beth0
- Cbr0Correct answer
- DvSwitch0
Why this is the answer
AHV uses br0 as the default bridge; it connects physical NICs or bonds to VM vNICs.
- Question 8Multiple Select
Which two statements about Nutanix Categories are true?
- ACategories can trigger microsegmentation policies through Flow.Correct answer
- BCategories are used only for informational metadata.
- CCategories can drive automated backup schedules by Nutanix Protect or Mine.Correct answer
- DCategories replace the need for VLAN IDs in network segmentation.
Why this is the answer
Nutanix Categories are used for policy-based automation, including Flow and data protection, unlike traditional tags.
Compute & Storage Management
6 questions in this domain
- Question 9Single Choice
What is the primary reason for integrating VirtIO drivers into a guest OS running on AHV?
- ATo allow efficient network and storage I/O for the virtual machineCorrect answer
- BTo enable automatic VLAN tag assignment from the host
- CTo configure the virtual machine's memory ballooning
- DTo replace the need for physical switch configuration
Why this is the answer
VirtIO drivers are paravirtualized drivers that provide optimized I/O for network and storage devices in AHV. Without them, guests suffer degraded performance or fail to boot.
- Question 10Multiple Select
Which statements about Nutanix Categories compared with traditional VM tags are true? (Select two.)
- ACategories can trigger microsegmentation policies and automated backup schedules.Correct answer
- BCategories are used only for organizational metadata, like traditional tags.
- CTraditional tags are required for Nutanix Flow microsegmentation policies to work.
- DCategories can be assigned during or after VM creation.Correct answer
Why this is the answer
Nutanix Categories enable policy-based automation through Flow and Protect. They can be assigned during or after VM creation, whereas traditional tags are typically limited to organizational metadata.
- Question 11Interactive
Based on the provided Open vSwitch output, what does 'bond0' represent in AHV networking?
- AAn aggregation of physical NICs to provide link redundancy and bandwidthCorrect answer
- BA bridge that connects VMs to the physical network
- CA virtual port that provides DHCP addresses to VMs
- DA VLAN tagging mechanism for tenant traffic
Why this is the answer
bond0 aggregates the physical network interfaces eth0 and eth1 and is attached to the bridge br0. VMs connect to br0 through virtual ports, while bond0 handles link redundancy and bandwidth aggregation.
- Question 12Single Choice
What is the name of the default logical bridge to which vNICs connect in AHV networking?
- Abr0Correct answer
- Bbond0
- Cvnet0
- Dovs0
Why this is the answer
The default bridge in AHV is br0. It connects physical NICs or bonds to virtual machine vNICs, acting as the central hub for network traffic.
- Question 13Multiple Select
Which statements are correct regarding LACP and Active-Backup bonding modes in AHV? (Select two.)
- ALACP requires corresponding link aggregation configuration on the upstream physical switch.Correct answer
- BActive-Backup mode can provide link redundancy without any switch-side configuration.Correct answer
- CLACP can only be used for host management traffic and not for VM traffic.
- DActive-Backup mode aggregates multiple links to increase available bandwidth.
Why this is the answer
LACP is a dynamic link aggregation protocol that requires matching configuration on the upstream physical switch. Active-Backup provides failover redundancy without requiring switch configuration, but it does not aggregate bandwidth across active links.
- Question 14Interactive
Based on the cluster settings shown, which AHV component is responsible for automatically migrating VMs to balance resource utilization?
- AAcropolis Dynamic Scheduling (ADS)Correct answer
- BOpen vSwitch (OVS)
- CNutanix Flow
- DPrism Central
Why this is the answer
Acropolis Dynamic Scheduling is the AHV component that continuously monitors resource utilization and performs live migrations to balance workloads across hosts, preventing any single node from becoming a bottleneck.
Data Protection & Disaster Recovery
6 questions in this domain
- Question 15Single Choice
In a Nutanix environment, what is the primary purpose of assigning Categories to virtual machines?
- ADrive policy-based automationCorrect answer
- BOnly organize VMs
- CReplace virtual switches
- DAssign IP addresses
Why this is the answer
Nutanix Categories trigger policy-based automation such as Flow microsegmentation or backup schedules, unlike standard tags used only for organizational metadata.
- Question 16Multiple Select
Which two statements about AHV VirtIO driver integration and guest OS performance for virtual machines are correct?
- AThey enable efficient storage and network I/OCorrect answer
- BThey must be installed in the guest OSCorrect answer
- CThey are preinstalled in all guest OSes
- DThey only improve display resolution
Why this is the answer
VirtIO drivers are required in the guest OS for efficient AHV storage and network performance. Missing them can cause boot failures or degraded throughput.
- Question 17Interactive
Refer to the AHV network command shown. What is the administrator creating for VM connectivity?
- AA VLAN-tagged network segmentCorrect answer
- BA new physical switch
- CA VirtIO driver package
- DA Nutanix Category
Why this is the answer
The command creates a VLAN-tagged network segment that VMs can attach to, enabling proper segmentation within the AHV software-defined network.
- Question 18Single Choice
What is the best definition of resource overcommitment in a Nutanix cluster with multiple hosts and VMs?
- AAllocating more virtual resources than physically availableCorrect answer
- BAlways a misconfiguration that must be removed
- CA way to reduce virtual machine density
- DAnother term for storage compression
Why this is the answer
Overcommitment is a managed strategy that increases ROI by allowing more virtual resources than physical capacity, but it must be monitored to protect SLAs.
- Question 19Multiple Select
Which two statements about AHV NIC bonding modes Active-Backup and LACP in a cluster are correct?
- AActive-Backup requires no switch configurationCorrect answer
- BLACP requires matching upstream switch configurationCorrect answer
- CLACP works automatically without switch changes
- DActive-Backup requires a trunk port
Why this is the answer
Active-Backup is simple and needs no switch setup, while LACP must be configured on the upstream switch to provide link aggregation and redundancy.
- Question 20Interactive
Refer to the AHV bridge hierarchy shown. What is the function of bond0 in this configuration?
- AAggregates physical NICsCorrect answer
- BConnects VMs to the hypervisor
- CAssigns VLAN IDs to workloads
- DCreates Nutanix storage pools
Why this is the answer
A bond aggregates physical NICs into one logical link, while the bridge, such as br0, connects VM vNICs to that bond.
Multicloud Integration & Migration
6 questions in this domain
- Question 21Single Choice
Which statement best describes resource overcommitment in a Nutanix cluster?
- AAllocating more virtual resources than physical capacityCorrect answer
- BReserving all resources for each workload
- CRemoving the need to monitor cluster capacity
- DPreventing all contention between VMs
Why this is the answer
Overcommitment assigns more virtual resources than physically exist, increasing cluster density and ROI while requiring monitoring to avoid contention.
- Question 22Multiple Select
Which benefits are provided by installing VirtIO drivers in a guest operating system on AHV? Select all that apply.
- AEfficient network and storage I/O for guest VMsCorrect answer
- BHigher throughput compared with emulated devicesCorrect answer
- CAutomatic VLAN tagging on the virtual switch
- DRemoving the need for a guest IP configuration
Why this is the answer
VirtIO provides optimized paravirtualized I/O for networking and storage, improving efficiency and throughput. It does not configure VLANs or remove IP addressing requirements.
- Question 23Interactive
In the AHV VM network configuration shown in the code block, which VLAN ID is assigned to the virtual NIC?
- A120Correct answer
- Bbr0
- C192.168.20.10
- Deth0
Why this is the answer
The code block shows the guest vNIC is attached to br0 with VLAN ID 120, placing the VM in the corresponding broadcast domain.
- Question 24Single Choice
What is the main purpose of Nutanix Categories when compared with traditional VM tags?
- ATo drive policy-based automation such as Flow and protectionCorrect answer
- BTo replace VLANs and virtual switches
- CTo assign IP addresses automatically
- DTo provide only organizational metadata
Why this is the answer
Nutanix Categories enable policy-based automation, including microsegmentation and protection rules, whereas traditional tags are generally used for organization and metadata.
- Question 25Multiple Select
Which statements about Active-Backup and LACP bonding modes in AHV are true? Select all that apply.
- AActive-Backup does not require switch configurationCorrect answer
- BLACP requires switch-side configurationCorrect answer
- CActive-Backup aggregates links for increased bandwidth
- DLACP works without any upstream switch changes
Why this is the answer
Active-Backup uses one active link and requires no switch configuration. LACP aggregates links and needs matching upstream switch configuration.
- Question 26Interactive
In the AHV networking configuration shown in the code block, what is the role of the logical bridge construct?
- AConnects the bond to the virtual machinesCorrect answer
- BAggregates physical NICs into one logical link
- CAssigns IP addresses to the virtual machines
- DPerforms routing between different subnets
Why this is the answer
The bridge br0 connects the bond, composed of physical NICs, to VM vNICs, acting as the central virtual network hub.
Prism Administration
8 questions in this domain
- Question 27Single Choice
What is the principal risk of assigning guaranteed resource reservations to every virtual machine in a Nutanix cluster?
- AIt guarantees predictable performance for every workload
- BIt causes resource fragmentation and wasted capacityCorrect answer
- CIt disables memory ballooning
- DIt allows higher overcommitment ratios
Why this is the answer
Applying reservations to every VM guarantees performance but severely limits density. This trap leads to resource fragmentation and wasted capacity in the cluster.
- Question 28Multiple Select
Which two policy-based automation functions can be driven by Nutanix Categories?
- ATriggering Flow microsegmentation policiesCorrect answer
- BInitiating backup schedules through Nutanix Protect or MineCorrect answer
- CModifying physical switch VLAN trunks
- DConfiguring the ovs bridge on AHV hosts
Why this is the answer
Nutanix Categories are used for policy-based automation such as Flow microsegmentation and backup schedules. They are not used to modify physical switching or host bridge settings.
- Question 29Interactive
Review the output from the AHV host below. Which network bonding mode is configured on the bond?
- AActive-BackupCorrect answer
- BLACP
- CStatic trunk
- DBridge mode
Why this is the answer
The output shows mode: active-backup and lacp: off. This confirms an Active-Backup bond is configured on the AHV host.
- Question 30Single Choice
If VirtIO drivers are not included during a guest OS installation on AHV, what is the most likely failure?
- AThe VM will not appear in Prism Element
- BThe VM will fail to boot or will experience low I/O throughputCorrect answer
- CThe VM will automatically download VirtIO drivers
- DThe VM will use physical NICs instead of virtual NICs
Why this is the answer
VirtIO drivers are essential for AHV-optimized I/O. Neglecting them during installation can lead to boot failures or degraded network and storage throughput.
- Question 31Multiple Select
Which two statements accurately compare AHV bonding modes?
- AActive-Backup is simpler and does not require physical switch configurationCorrect answer
- BLACP requires a matching link aggregation configuration on the upstream switchCorrect answer
- CLACP is automatically enabled on all Nutanix switches
- DActive-Backup provides higher bandwidth than LACP
Why this is the answer
Active-Backup requires no switch-side settings, while LACP must be matched on the upstream physical switch. LACP is not automatic and Active-Backup does not increase bandwidth.
- Question 32Interactive
The command output below shows an AHV networking object. What kind of object is it?
- ABridgeCorrect answer
- BBond
- CVLAN
- DRouter
Why this is the answer
The output shows br0 with physical ports and vnet interfaces attached. This is the default AHV bridge, the central logical construct for VM connectivity.
- Question 33Single Choice
What is the role of Acropolis Dynamic Scheduling (ADS) in an AHV cluster?
- AIt monitors resource utilization and live-migrates VMs to balance host loadCorrect answer
- BIt provisions VLANs across the cluster
- CIt manages VirtIO driver installation
- DIt configures physical network switches
Why this is the answer
ADS continuously monitors resource utilization and uses live migration to balance workloads across hosts, preventing single-node bottlenecks.
- Question 34Multiple Select
To use LACP bonding on AHV hosts, which two conditions must be met?
- AThe upstream physical switch must support and be configured for LACPCorrect answer
- BThe physical switch ports must use a matching aggregation modeCorrect answer
- CVirtIO drivers must be installed in all VMs
- DThe VMs must be assigned static IP addresses
Why this is the answer
LACP requires an equivalent configuration on the physical upstream switch. Without switch-side LACP settings, the bond will not operate correctly.
Security & Compliance
7 questions in this domain
- Question 35Single Choice
In Nutanix AHV, what is the primary purpose of an Anti-Affinity rule?
- ATo keep related VMs on the same host to reduce network latency
- BTo ensure redundant VMs are placed on separate hosts for high availabilityCorrect answer
- CTo aggregate multiple physical network links into one logical bond
- DTo automatically assign VLAN IDs to virtual machine networks
Why this is the answer
Anti-Affinity rules separate redundant VMs onto different hosts, reducing the blast radius of a single host failure and preserving high availability.
- Question 36Multiple Select
Which statements about Nutanix Categories are true? (Select two.)
- AThey are used to drive policy-based automation such as microsegmentation.Correct answer
- BThey are identical to traditional VM tags and only provide organizational metadata.
- CThey can trigger automated backup schedules through Nutanix Mine or Nutanix Protect.Correct answer
- DThey can only be assigned during VM creation and cannot be changed afterward.
Why this is the answer
Nutanix Categories enable policy-based automation like Flow microsegmentation and backup scheduling via Nutanix Mine or Protect. They are more than simple organizational tags.
- Question 37Interactive
Review the AHV network output provided in the code block. Which logical network construct is being displayed?
- AThe default AHV bridge, br0Correct answer
- BAn LACP bond configuration
- CA network QoS policy
- DA virtual switch port group
Why this is the answer
The ovs-vsctl output displays br0, the default AHV bridge that connects physical NICs to virtual machine interfaces for cluster networking.
- Question 38Single Choice
What is resource overcommitment in AHV?
- AAssigning more virtual resources to VMs than are physically availableCorrect answer
- BGuaranteeing every VM has dedicated physical hardware
- CDisabling CPU and memory limits to increase performance
- DUsing reserved resources only for storage traffic
Why this is the answer
Resource overcommitment allocates more vCPU or RAM to VMs than physically exists, enabling higher cluster density while requiring careful monitoring to avoid contention.
- Question 39Multiple Select
Which statements accurately differentiate LACP and Active-Backup bonding in AHV? (Select two.)
- AActive-Backup requires no physical switch configuration.Correct answer
- BLACP requires matching configuration on the upstream physical switch.Correct answer
- CActive-Backup provides true bandwidth aggregation.
- DLACP works automatically without any switch-side changes.
Why this is the answer
Active-Backup is simpler and does not require switch configuration, while LACP must be enabled on both the AHV host and the physical upstream switch.
- Question 40Interactive
Analyze the AHV command lines in the code block. What is the administrator applying to a VM?
- AA Nutanix category for policy-based automationCorrect answer
- BAn anti-affinity rule for high availability
- CA VLAN tagging scheme for network segmentation
- DA resource reservation guarantee
Why this is the answer
The commands assign a category named 'tier:app' to the VM. Categories enable policy-based automation such as microsegmentation and protection.
- Question 41Single Choice
Which AHV feature allows administrators to define guaranteed storage and network bandwidth for a specific VM?
- AQuality of Service (QoS)Correct answer
- BAffinity rules
- CMemory ballooning
- DNutanix Categories
Why this is the answer
I/O Priority and QoS settings define guaranteed storage and network bandwidth for specific VMs, preventing lower-priority workloads from consuming disproportionate resources.
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