NCS-Core 6.8 Certification Exam Questions with AI Explanations

QUESTION: 36

In a 20-node ESXi deployment, the customer needs additional resiliency to survive the loss of two nodes concurrently.

Which configuration should the consultant use to ensure that the appropriate resources are available?

Storage reservation for 10%; HA admission control for 10%, cluster RF3
Storage reservation for 5%; HA admission control for 5%, cluster RF2
Storage reservation for 5%; HA admission control for 5%, cluster RF3
Storage reservation for 10%; HA admission control for 10%, cluster RF2

Answer(s): A

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QUESTION: 37

An administrator needs to create and start five new VMs for a Data Analytics Project (OLAP). The VM Profile is as follows:

· vCPU:4

· vRAM: 64 GB

· vDisk: 1.5 TB

Each of the four nodes of the Nutanix cluster has the following:

· 24 vCPU. 20% overall usage

· 192 GB RAM, 60% overall usage

· 2xl920GBSSD

· 4x 2 TB HDD

At cluster level, there is a single RF2 container that is 30% utilized and has an extent store capacity of 13.5 TB.

Which component requires administrator attention?

Physical RAM, because it is not enough to power on all of the new VMs.
Physical Cores, because they are not enough to power on all of the new VMs.
Storage, because the capacity is not enough to create VMs.
Flash Tier because it is not enough to accommodate the workloads.

Answer(s): A

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QUESTION: 38

An administrator receives an alert in Prism indicating that interface eth2, on an AHV host is receiving many CRC errors. Aftertogging into the problematic host, the following command is run to show the indicated output:

What is causing this issue?

Incorrect link speeds on the switch
The interface is incorrectly configured with Jumbo Frames
A misconfigured bond
A physical layer network problem

Answer(s): B

Explanation:

rx_crc_errors are caused either by faults in layer 1 (in the past, we have seen failed twinax cables and incorrect types of fibre being used), or issues with jumbo frames on the network. In an environment with 10Gig switches that use cut-through forwarding (Cisco Nexus, Arista, Cisco devices using IOS default to Store and Forward switching), any packets that come into the switch will get forwarded out the destination interface once the switch has read the destination MAC address. If that packet has an MTU over what is configured on the interface, it will cut off the packet at the designated MTU, causing the server to receive a malformed packet, which will throw a CRC error. If you have a layer 1 issue, you will see rx_crc_errors, not on all but one or two nodes.

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QUESTION: 39

Refer to the exhibit.

After performing ESXi to AHV conversion on a cluster, the alerts shown in the exhibit display on Prism. What should the administrator do to resolve this issue efficiently?

Remove the VMs. create a new Protection Domain, and add VMs to it
Remove VMs from the Protection Domain and add them back in.
Delete the Protection Domain, create a new Protection Domain, and add the VMs to it
Create a new Protection Domain and add the VMs to rt.

Answer(s): B

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QUESTION: 40

An administrator is updating disk firmware using LCM and receives the following message:

"there have been 10 or more cluster services restarts within 15 minutes in the Controller VM"

The message appears as each drive is upgraded.

What is the reason this message isbeing generated?

A node has been rebalanced
A drive has been reformatted
A node has been rebooted
A drive has been ejected

Answer(s): C

Explanation:

Ref:https://portal.nutanix.com/page/documents/kbs/details?targetId=kA032000000TT8DCA W

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Nutanix Certified Services - Core (NCS-Core) 6.8 NCS-Core 6.8 Dumps in PDF

Free Nutanix NCS-Core 6.8 Real Questions (page: 23)

QUESTION: 36

QUESTION: 37

QUESTION: 38

Explanation:

QUESTION: 39

QUESTION: 40

Explanation: