Free C1000-142 Exam Braindumps (page: 12)

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Which IBM product empowers external developers. Making it easier for them to discover existing api and encourages decentralizations of integration delivery?

  1. IBM API connect
  2. IBM Event streams
  3. IBM MQ
  4. IBM application connect enterprise.

Answer(s): A

Explanation:

Answer(s): I, B, M API Connect lets users create, secure, expose, manage, socialize, and analyze its APIs across clouds.
Incorrect Answer :
IBM MQ is a scalable messaging platform that uses Java Message Service (JMS) and other technologies to integrate applications and put information such as product availability on the cloud, where consumers can easily retrieve it.
IBM APP Connect integrates data and applications from existing systems, and ties together technologies across environments, including legacy and SaaS systems. IBM Event Streams Apache Kafka-based IBM Event Streams enable organizations to create smart applications that react to events as soon as they happen. This real-time response is needed to create engaging experiences that respond to users instantly.
By moving batch processing to real-time, predictive analytic platforms, IBM Event Streams also make machine learning easier.



Which action would occur if the horizontal pod autosclaer detected higher utilization than expected?

  1. Additional resources woould be added to the cluster
  2. More pods would be created
  3. The autoscaler would notify the controller to limit request
  4. More worker nodes would be created

Answer(s): B

Explanation:

Horizontal pod autoscaler enables customers to determine the minimum or the maximum number of pods to run the CPU and memory utilization the pods should utilize. The HPA automatically scales the workload to match the demand. When there is an increased workload, it deploys more pods. When there is a decrease in the workload, it communicates to the workload resource to scale back down.



What is configured to control traffic at the virtual service instance level within a virtual private cloud?

  1. A VSI access rules
  2. A floating in combination with an ACL
  3. An access control list
  4. A security group

Answer(s): D

Explanation:

A security group acts as a virtual firewall that controls the traffic for one or more virtual server instances. A security group is a collection of rules that specify whether to allow or deny traffic for an associated instance. You can associate an instance with one or more security groups and edit the security group rules An Access Control List (ACL) can manage (that is, it can allow or deny) inbound and outbound traffic for a subnet. An ACL is stateless, which means that inbound and outbound rules must be specified separately and explicitly. Each ACL consists of rules, based on a source IP, source port, destination IP, destination port, and protocol. Note:
Security Groups control traffic at the virtual service instance level and n Access Control List (ACL) control the traffic at subnet level.



What is virtualization?

  1. Allows a virtual machine to run on a physical host
  2. Allows multiple virtual machines to run on a single physical host
  3. Seeing into the future
  4. Uses hardware to create an abstraction layer over software

Answer(s): B

Explanation:

Virtualization is a process that allows for more efficient utilization of physical computer hardware and is the foundation of cloud computing. Virtualization uses software to create an abstraction layer over computer hardware that allows the hardware elements of a single computer--processors, memory, storage and more--to be divided into multiple virtual computers, commonly called virtual machines (VMs). Each VM runs its own operating system (OS) and behaves like an independent computer, even though it is running on just a portion of the actual underlying computer hardware. Benefit of virtualization: Virtualization brings several benefits to data center operators and service providers: Resource efficiency: Before virtualization, each application server required its own dedicated physical CPU--IT staff would purchase and configure a separate server for each application they wanted to run. (IT preferred one application and one operating system (OS) per computer for reliability reasons.) Invariably, each physical server would be underused. In contrast, server virtualization lets you run several applications--each on its own VM with its own OS--on a single physical computer (typically an x86 server) without sacrificing reliability. This enables maximum utilization of the physical hardware's computing capacity. Easier management: Replacing physical computers with software-defined VMs makes it easier to use and manage policies written in software. This allows you to create automated IT service management workflows. For example, automated deployment and configuration tools enable administrators to define collections of virtual machines and applications as services, in software templates. This means that they can install those services repeatedly and consistently without cumbersome, time-consuming. and error-prone manual setup. Admins can use virtualization security policies to mandate certain security configurations based on the role of the virtual machine. Policies can even increase resource efficiency by retiring unused virtual machines to save on space and computing power.
Minimal downtime: OS and application crashes can cause downtime and disrupt user productivity. Admins can run multiple redundant virtual machines alongside each other and failover between them when problems arise. Running multiple redundant physical servers is more expensive. Faster provisioning: Buying, installing, and configuring hardware for each application is time-consuming. Provided that the hardware is already in place, provisioning virtual machines to run all your applications is significantly faster. You can even automate it using management software and build it into existing workflows.
[Exam Tips]: You can expect few questions from Virtualization and benefits of virtualization.



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Draco commented on July 19, 2023
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