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Nutanix NCS-Core Exam Cover Topics
The NCS-100 covers the following topics:
- Disaster Recovery 10%.
- Storage Management 25%
- Installation and Deployment 20%
- Networking 20%
NEW QUESTION # 42
An administrator needs to make sure an RF2 cluster can survive a complete rack failure without negatively effecting workload performance. The current cluster configuration consists of thefollowing:
* 30 nodes: distributed 10 nodes per rack across three 42U rack
* Each nodes is configured with 40TB usable storage all flash (Cluster Total 1.2 PB Usable)
* Current cluster utilization is 900TB storage
Which configuration changes should be made to make sure that the cluster meets the requirements?
- A. Expanse thecluster by adding 9 nodes to a new 42U rack
- B. Expanse the cluster by adding 8 nodes to a new 42U rack
- C. Expanse the cluster by adding 3 additional nodes per rack, 9 nodes total.
- D. Expanse the cluster by adding 2 additional nodes per rack, 6 nodes total.
Answer: C
Explanation:
NEW QUESTION # 43
An administrator inherits a new Nutanix environment and logs in to a CVM to check the network configuration. The configuration is as follows:
Which action should the administrator take to improve network performance?
- A. Remove one 10 Gbs interface from br0-up to make sure all 10 Gbs can be used.
- B. Add eth0 and eth1 to the br0-up bond
- C. Configure balance-sib or balance-tcp mode for br0-up if switch configuration allows
- D. Configure VLAN tagging both on br0 and br1 and their physical interfaces.
Answer: C
NEW QUESTION # 44
During a technical call with a customer, it is identified that this installation will be software only on Dell servers. The out-of-band management interfaces will not be given IP addresses until the consultant is onsite.
Which Foundation method should be used for this type of installation?
- A. Bare metal using iDRAC MAC addresses.
- B. Bare metal using block serial numbers.
- C. Bare metal using node serial numbers.
- D. Bare metal using LAN MAC addresses.
Answer: A
NEW QUESTION # 45
An administrator is supporting a business critical environment and deploys metro availability to achieve a zero data loss configuration. The two clusters are connected by a 1GbE connection. A new workload is going to be deployed to this cluster. This workload requires a sustained 150MB/S of write throughput and 20MB/s of read throughput.
Which change must be made to deploy the workload successfully on this cluster?
- A. The bandwidth must be increased tosupport this workload.
- B. The workload must be configured to read at greater than 12.5MB/S.
- C. The replication frequency must be less than 60 minutes.
- D. Zero data loss nearsync must be used to support this workload.
Answer: A
Explanation:
Explanation
Ref:
NEW QUESTION # 46
A consultant is unable to install virtualization software on a laptop.
Which two versions of Foundation can be used to resolve this issue? (Choose two.)
- A. Foundation Central
- B. Foundation Applet
- C. Foundation Portable
- D. Foundation VM
Answer: B,C
NEW QUESTION # 47
Over the period of 2 to 3 weeks, a cluster displays the following:
*Periods where Warning Alerts of memory usage over 75% are asserted
*Periods where Critical Warnings of memory usage over 90% are asserted
*Periods of slow of frozen VDI desktops have caused work stoppage or slowdown
*VDI clones have periodically not powered up when called, causing work stoppage Which steps should be used toprioritize the administrator's troubleshooting efforts?
- A. *Review Analysis Page for memory use pattern
*Alert with VDI workload demand
*Analyze current and future workload in the Capacity Runaway tab for sufficient resources - B. *Check Analysis page for CPU demand
*Verify VDI workload property for memory subscription
*Review theHardware page to determine if the cluster has sufficient RAM - C. *Assess resource health on Hardware page
*Review the Analysis page for memory usage demand
*Determine the VDI workload-to-host affinity across the cluster - D. *Analyze Alert Pages for a root cause of memory problem
*Analyze VM table page to access the VM functionality
*Analyze the VDI Clone properties for possible VDI Workload stress
Answer: A
NEW QUESTION # 48
After a recent installation using a flat switch, a consultant notices issues migrating the Nutanix nodes to the customer's network. The customer states that they are using VLANs on the production switch but not on the dedicated switch for IPMI. The customer does not require a manual configuration of the host and CVM.
What network changes need to be made to correct the issues?
- A. Use tagged VLANs for the CVM and host and access mode for IPMI.
- B. Use Native VLANs for the CVM and host and trunk mode for IPMI.
- C. Use Native VLANs for the CVM and host and access mode for IPMI.
- D. Us untagged VLANs for the CVM and host and trunk mode for IPMI.
Answer: C
NEW QUESTION # 49
A consultant creates a Nutanix cluster using the 10.10.10.0/24 network and VLAN 10. The customer creates a VM network inside the Prism using VLAN 20. The customer starts to create VMs but is unable to ping the default gateway from these new systems.
What is causing the issue?
- A. The switch port is not set up as a trunk.
- B. The CVM/hypervisor must be on an untagged VLAN.
- C. Only one VLAN is supported on AHV.
- D. The CVM/hypervisor cannot use the same VLAN as guest VMs.
Answer: A
NEW QUESTION # 50
Anadministrator is notified that a bare metal database server is down. This database server is being served storage using a Nutanix Volume Group. Upon investigating, the administrator finds that the disks in the database server that map to the vDisks in thevolume group have gone offline.
What is causing this issue?
- A. A CVM serving the Volume Group has gone offline.
- B. The Volume Group Load Balancer has been disabled.
- C. Port 9443 is blocked in the server firewall.
- D. Port 3260 has been blocked in the server firewall.
Answer: A
NEW QUESTION # 51
A consultant is onsite with a customer running Foundation VM (FVM) and discovers that there is no connectivity between the FVM and their laptop. The consultant verifies the following:
* The consultant's laptop and Nutanix nodes are plugged into a flat switch.
* The laptop, switch and nodes are plugged into supported power supplies.
* The laptop network adapters and FVM are configured with their corresponding IP addresses.
What is the cause for the connectivity failure to the FVM?
- A. The switch is not plugged into the power supply.
- B. Laptop WiFi configured to use DHCP.
- C. Desktop Firewall is blocking ping requests.
- D. Network cables are not connected.
Answer: C
NEW QUESTION # 52
An administrator wants to utilize Network Visualization to monitor the physical and logical network on the Nutanix cluster. The first-hop switch has LLDP enabled. The network switch informationis still not being displayed.
What is causing this problem?
- A. br0 and br1 are not defined.
- B. The cluster is using RDMA-enabled NICs.
- C. The ISL between switches is not configured.
- D. SNMP is not configured properly.
Answer: D
Explanation:
Explanation
ref:https://portal.nutanix.com/page/documents/details?targetId=Web-Console-Guide-Prism-v55:wc-network-visu
NEW QUESTION # 53
A consultant creates a Windows VM after installing a new Nutanix cluster running AHV. The consultant has statically assigned an IP address to the VM but it is unable to communicate on the network.
Which action should the consultant take to resolve this issue?
- A. Confirm that IPv6 is enabled on the guest VM.
- B. Mount and install the Nutanix Guest Tools.
- C. Set a Group Policy to make sure the Windows Firewall is disabled.
- D. Confirm that the VM vNIC is tied to the correct VLAN in Prism Element.
Answer: D
NEW QUESTION # 54
Refer to the exhibit.
An administrator configures ActiveDirectory authentication as shown in the exhibit. Upon finishing setup, users are not able to log in.
What configuration change should be made to fix this issue?
- A. Changethe plct from 389 to 636
D Change the Domain to use an IP rather than a name - B. Change the Directory URL to use an IP rather than a name
- C. Change leaps to https
Answer: A
Explanation:
Explanation
Ref:https://portal.nutanix.com/page/documents/details?targetId=Prism-Central-Guide-Prism-v510:mul-security-a
NEW QUESTION # 55
For several days, an administrator notices the following alerts:
* CVM NIC Speed Low Warning Alerts
* Warning Alerts of CVM NIC not performing at optimal speed
* CVM is disconnected from the network Critical Alert
* Network Visualization page shows excessive dropped packets on CVM/Host Which steps should be taken to determine which problem should be addressed first?
- A. * Access the Hardware Page to verifyresources are available
* Analyze ail CVM Speed Alerts in the Alerts/Events page
* Analyze output for the network and interface properties and connectivity issues - B. * Verify Host/CVM connectivity on the Network Visualization page
* Use toverify the bridge and bond configuration
* Review alerts/events page for the CVM disconnected error - C. * Review Alerts page for NIC speed alerts and alert timing
* Analyze the genesis.out log file for process failures
* Assess the NIC properties inthe Network Visualization > Host Properties page - D. * Restart networking services on the CVM
* Determine the current configuration of the affected CVM via output
* Access the Alerts/Events page for the CVM network connection failures
Answer: B
Explanation:
Explanation
Ref:https://portal.nutanix.com/page/documents/kbs/details?targetId=kA00e000000CuaDCAS
NEW QUESTION # 56
While trying to upgrade AOS in a cluster, a consultant receives a warning message that there are two powered-on VMs that need to be powered off for the upgrade to proceed.
What would cause this warning to be issued?
- A. Upgrading a two-node cluster requires the VMs to be shut down.
- B. There are not enough resources left in the two-node cluster.
- C. Upgrading a single-node cluster requires the VMs to be shut down.
- D. There are not enough resources left in the single-node cluster.
Answer: C
NEW QUESTION # 57
An administrator is deploying Nutanix Files 3.5 and needs to configure the sizing of the FSVMs for an increased number of concurrent SMB connections over the default 750.
What should the administrator do?
- A. During installation, click Customize on the File Server Installation screen, change the number of connections, and finish the installation
- B. Complete the default installation change the CPU and RAM m Prism, and then log into the File Server dashboard and change the Filer Server Properties
- C. Deploy the Files VMs.power down the three FSVMs. change the CPU and RAM via Prism, and then power the three FSVMs back up
- D. During installation, input the correct number of connections in the File Server Installation screen and complete the installation
Answer: A
Explanation:
Explanation
Ref:https://portal.nutanix.com/page/documents/details?targetId=Files-v3_6:fil-file-server-manage-c.html
NEW QUESTION # 58
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