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Free JN0-213 Exam Braindumps (page: 4)

Page 3 of 17
PDF with 65 Questions

Your company has a Web app hosted in Kubernetes with a fluctuating number of pods.

In this scenario, which Kubernetes service type would provide equal access to all nodes using a single URL?

  1. ExternalName
  2. NodePort
  3. LoadBalancer
  4. ClusterIP

Answer(s): C

Explanation:

The LoadBalancer service type in Kubernetes exposes the service externally using a cloud provider's load balancer. NodePort and ClusterIP services, to which the external load balancer routes, are automatically created



Which two Linux commands would you use to show the amount of RAM in your system? (Choose two.)

  1. cat /proc/cpuinfo
  2. free -h
  3. cat /proc/meminto
  4. df -h

Answer(s): B,C

Explanation:

he free -h command in Linux displays the total amount of free and used physical and swap memory in the system, as well as the buffers used by the kernel. The cat /proc/meminfo command displays real-time information about the system's memory usage as well as the buffers and shared memory used by the kernel1



Which statement is correct about overlay or underlay networks or fabrics?

  1. Underlay fabrics decouple network services from the overlay infrastructure.
  2. Overlay networks are Layer 3 networks that must use OSPF for routing purposes.
  3. Underlay fabrics enable multitenancy through virtualization.
  4. Overlay networks are virtual networks.

Answer(s): D

Explanation:

Overlay networks are indeed virtual networks. They are logical constructs that stitch together disparate, dispersed network infrastructure, often referred to as underlay. Underlay networks refer to the physical network infrastructure, while overlay networks implement network virtualization concepts. Reference from Juniper site: Baeldung on Computer Science, PacketFabric, Cisco, HPE Aruba Networking



Which two statements are correct about Kubernetes resources? (Choose two.)

  1. A deploymentConfig is a Kubernetes resource.
  2. A daemonSet ensures that a replica of a pod is running on all nodes.
  3. A ClusterIP type service can only be accessed within a Kubernetes cluster.
  4. NodePort service exposes the service externally by using a cloud provider load balancer.

Answer(s): B,C

Explanation:

A daemonSet in Kubernetes ensures that a replica of a pod is running on all nodes. A ClusterIP type service can only be accessed within a Kubernetes cluster. Reference from Juniper site: Kubernetes Documentation






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