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Nutanix NCA Exam Practice Questions (P. 3)

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Question #11
Which feature or configuration is best for securing network traffic between the management and storage replication environments?
  1. A
    Use of Firewall Rules
  2. B
    Network Segmentation
  3. C
    VM Anti-Affinity Rules
  4. D
    Different Storage Containers

Correct Answer:
B
chatbot-img GPT-4o - Answer
Absolutely right, Network Segmentation is the best recommendation for securing traffic between management and storage replication environments. By segmenting the network, you can control which systems interact within your network, significantly enhancing security by reducing potential paths for unauthorized access. This method proves effective in isolating sensitive areas of your network, like storage replication zones, from the more generalized management zones.

Question #12
Which Nutanix data efficiency mechanism replaces a traditional Replication Factor for suitable data?
  1. A
    Compression
  2. B
    Deduplication
  3. C
    Erasure Coding
  4. D
    Intelligent Cloning

Correct Answer:
C
chatbot-img GPT-4o - Answer
Erasure Coding is a savvy choice when it's about replacing the traditional Replication Factor because it cuts down data redundancy but still protects against data loss. This is more storage-efficient compared to just duplicating data across different nodes. So, leveraging Erasure Coding can make your storage work harder and smarter without losing out on data safety.

Question #13
An administrator manages a memory-sensitive application that consists of multiple VMs. The administrator needs to understand if workloads, historically, have been evenly distributed across these VMs.
What should the administrator do?
  1. A
    Create an Alert Policy with VM as entity type and memory usage as a metric.
  2. B
    Run cluster efficiency summary report selecting all the VMs that constitute the applications.
  3. C
    Add Memory usage chart to Analysis dashboard for each required VM.
  4. D
    Filter VMs list by using Memory Usage.

Correct Answer:
B
chatbot-img GPT-4o - Answer
For analyzing historical distribution of workloads across multiple VMs in a memory-sensitive application, running a cluster efficiency summary report with all relevant VMs selected is the most comprehensive method. This approach offers a holistic view of resource usage and efficiency metrics over time, ensuring a thorough and precise assessment of workload distribution.

Question #14
An administrator receives an alert that a node has failed within a Nutanix AHV-based 10-node cluster. Before the failure, the cluster CPU and memory utilization was around 50%.
What actions will the cluster automatically take?
  1. A
    VMs will be unavailable until the affected host is fully functional.
  2. B
    VMs will migrate to other nodes in the cluster with no user impact.
  3. C
    The cluster will enter read-only mode and the VMs will be powered down to preserve data.
  4. D
    All HA-protected VMs will be automatically restarted on other nodes in the cluster.

Correct Answer:
B
chatbot-img GPT-4o - Answer
In a Nutanix AHV-based cluster, when a node fails, the cluster does not merely restart the VMs; it ensures continual operation by migrating them seamlessly to other operational nodes. This process, known commonly as "failover," maintains service availability without any noticeable impact on the end users. Although not significantly influenced by the existing CPU and memory utilization rates, this mechanism allows VMs from the disrupted node to keep running on other nodes, proving robust high-availability management within the cluster setup.

Question #15
An administrator wants to have a single chart with the logical usage for three storage containers.
Which action should the administrator perform?
  1. A
    Create a new Metric Chart
  2. B
    See Storage usage under Prism Element Health page
  3. C
    Create a new Entity Chart
  4. D
    See Usage Summary in the Storage Containers detailed

Correct Answer:
C
chatbot-img GPT-4o - Answer
The correct choice, "Create a new Entity Chart," is ideal when the objective is to monitor multiple metrics for a specific entity, be it physical or virtual. The distinguishing factor of an Entity Chart in Nutanix Prism is its ability to simultaneously display several metrics for a single entity—or in this case, entities referring to the three different storage containers. This provides a comprehensive view of the logical usage across the selected containers, enhancing monitoring efficiency and data interpretation. Understanding this distinction helps in utilizing the full potential of Prism's monitoring tools.

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