Nutanix Nutanix Certifications NCM-MCI-5.15 Questions & Answers

• Question 81:

  An administrator needs to maximize storage potential in a six-node cluster. The container is configured with the following:

  Post-process compression Capacity deduplication

  What should the administrator configure to increase space savings?

  A. Erasure coding

  B. Inline compression

  C. Reserve capacity

  D. Cache dedupe

  Correct Answer: A

• Question 82:

  An administrator migrates a VM onto a new Nutanix cluster. After the migration, the administrator observes the following conditions:

  Cluster memory utilization: 64%

  Cluster CPU utilization: 19%

  Cluster storage utilization: 32%

  Average VM CPU utilization: 25%

  Average VM CPU ready%: 24%

  Average VM memory utilization: 60%

  Which two changes should the administrator make to improve VM performance? (Choose two.)

  A. Add more memory to the VMs.

  B. Reduce the number of vCPUs assigned to VMs.

  C. Replace high core count CPUs with high clock rate CPUs. (also can be but is physical invas)

  D. Reduce the number of VMs on the hosts.

  Correct Answer: BD

  Explanation: ref http://www.joshodgers.com/tag/cpu-ready/

• Question 83:

  An administrator is currently using both 10g uplink with LACP and balance-tcp. A single VM should not be allowed to use more than a single 10G uplink, and both uplinks should be utilized. Which two command should be used to configure the bond? (Choose two)

  A. Ovs-vsctl set port br0-up bond_mode=balance-slb

  B. Ovs-vsctl set port br0-up bond_mode=balance-tcp

  C. Ovs-vsctl set port br0-up bond_mode=active-backup

  D. Ovs-vsctl set port br0-up other_config: bond-rebalance-interval=30000

  Correct Answer: AD

• Question 84:

  A customer has Metro Availability configured in Automatic Resume Mode between Site A and Site B What happens to VMs if Primary Site A has full network failure?

  A. Automatic protection domain promotion in Site B. VMs automatically restart in Site B

  B. VMs continue to run on Site A following an automatic disable of protection domains.

  C. An administrator must unwitness in Site B and promote protection domains in Site B for VMs to restart

  D. An administrator must promote protection domains in Site B for VMs to restart.

  Correct Answer: A

  Explanation: Ref: https://support-portal.nutanix.com/page/documents/details/?targetId=Web-Console-Guide-Prism-v55:sto- metro-availability-witness-c.html

• Question 85:

  While creating an image placement policy on the organizations AOS 5.15-based Nutanix cluster, the administrator wants to ensure there are no restrictions on using the selected images on clusters outside of the identified set. What type of Policy Enforcement must the administrator choose?

  A. Soft

  B. Internal

  C. Hard

  D. External

  Correct Answer: A

  

• Question 86:

  An administrator needs to make sure an RF3 cluster can survive a failure of two complete racks without negatively affecting performance. The current cluster configuration consists of the following:

  30 All Flash Nodes: distributed 10 nodes per rack across three 42U racks Each node is configured with 20TB usable storage all flash (Cluster Total 600TB Usable) Current cluster utilization is 500TB storage Storage containers have Erasure Coding enabled

  Which configuration changes should be made to make sure the cluster meets the requirements?

  A. Expand the cluster to 50 nodes distributed evenly across 5 racks

  B. Expand the cluster to 48 nodes distributed evenly across 6 racks

  C. Expand the cluster to 60 nodes distributed evenly across 6 racks

  D. Expand the cluster to 40 nodes distributed evenly across 5 racks

  Correct Answer: C

  Explanation: Ref: https://portal.nutanix.com/page/documents/details?targetId=Web- Console-Guide-Prism-v5_17:arc-configure-fault-tolerance-rack-prism-c.html

  

• Question 87:

  An administrator is migrating 5MB shares from a third-party platform to Nutanix Files with the following characteristics:

  Shares contain user profile directories DFS-N will be used How should the administrator create target shares for this migration?

  A. Create multiple general purpose shares and distribute migrated data as evenly as possible.

  B. Create multiple distributed shares and distribute migrated data as evenly as possible.

  C. Create standard shares with multiple top-level directories and distribute migrated data.

  D. Create distributed shares with multiple top-level directories and distribute migrated data.

  Correct Answer: D

  Explanation: Ref: https://portal.nutanix.com/page/documents/details/?targetId=Files- v3_6:Files-v3_6

• Question 88:

  The networking team makes changes to the Top of Rack switches to which the Nutanix cluster are attached. A few VMs are able to communicate with each other on the same node but are unable to connect to other parts of the network. What is the likely cause of this issue?

  A. There is a VLAN misconfiguration on the VMs.

  B. The vNIC port is disconnected on the affected VMs.

  C. There is a VLAN misconfiguration on the switch.

  D. Jumbo Frame are misconfigured across ports.

  Correct Answer: C

• Question 89:

  An administrator has a VM that consumes large amounts of storage and has the following characteristics:

  Create large / sequential writes

  Data must be kept for years

  Data is normally only accessed at the end of the year to run report

  The administrator decides to use Erasure Coding to save space.

  Which feature should the administrator utilize to save space for this VM?

  A. Inline Compression

  B. Flash Mode

  C. Cache Dedup

  D. Post-Process Compression

  Correct Answer: D

• Question 90:

  An alert about RX errors on eth2 on a node is reported in the cluster. The administrator logs in to the CVM in question, checks the ping_* files in the data/logs/syststats folder, and notices intermittent ping loss. The node in question has the following network configuration:

  

  Which action should be used to troubleshoot without disrupting the VMs running on this node?

  A. Replace the cable from eth2 to the switch

  B. Remove eth3 from br0-up and monitor for new alerts

  C. Check the port on the switch side for any errors

  D. Enable balance-s1b on br0-up and monitor if a problem persists

  Correct Answer: C