What are the choices for worker nodes in IBM Kubernetes Service?
IBM Cloud Kubernetes Service is a certified Kubernetes provider that enables customers to create their own Kubernetes cluster of compute hosts to deploy and manage their containerized apps.
Which of the following are benefits of serverless computing? (Select Three)
Serverless computing is a cloud computing execution model that provisions computing resources on demand and offloads all responsibility for common infrastructure management tasks. They are auto scalable so it can handle extremely active traffic periods.
Serverless computing does-not means there are no physical servers utilized, of course there are servers, but we don't have to manage them, in background cloud provider manage (provisioning, scheduling, scaling, patching and more) for us, this gives developers more time to develop and optimize their front-end application code and business logic. And with serverless, customers never pay for idle capacity. They pay only for the resources required to run their applications, and only when those applications are running.
Serverless is a polyglot environment, enabling developers to code in any language or framework - Java, Python, node.js - with which they're comfortable. Because serverless scales up and down on demand in response to workload, it offers significant cost savings for spiky workloads. But it does not offer the same savings for workloads characterized by predictable, steady or long-running processes; in these cases, a traditional server environment might be simpler and more cost-effective.
Serverless Implementations differ across service providers, and capabilities vary, including supported runtimes, authentication, scaling and monitoring.
Serverless architectures are well-suited for event-driven, IOT and stream-processing workloads most notably open-source Apache Kafka event streaming platform.
Benefits:
- Pay only for the time for our code will run.
- Developer don't have to take care of servers or infrastructure, it maintains by cloud provider, so
they can focus more on development and business logic.
- API Management & Integrated event sources.
- Serverless scales up and down on demand in response to workload
Which of the following is a essential characteristic of cloud computing according to NIST ?
The NIST definition lists five essential characteristics of cloud computing: on-demand self-service, broad network access, resource pooling, rapid elasticity or expansion, and measured service
What is a benefit of using IBM Cloud satellite?
IBM Cloud Satellite is IBM's distributed cloud offering. It provides consistency in services and the ability to deploy anywhere. It is a platform service that allows users to deploy IBM Cloud services outside IBM Cloud data centers. IBM Cloud Satellite can run in a client data center, another cloud, or in-edge networks (distributed cloud framework that brings enterprise applications closer to a data source). When an IBM Cloud Satellite location is established, it allows the user to run selected IBM Cloud services in that location.
Which service connects a virtual private cloud to IBM services on a private network?
Correct Answer : IBM Cloud Virtual Private Endpoints (VPE) for VPC enables you to connect to supported IBM Cloud services from your VPC network by using the IP addresses of your choosing, allocated from a subnet within your VPC. In-Correct Answer : Service endpoints: Use service endpoints to securely connect to IBM Cloud services over the IBM Cloud private network. Traffic to and from service endpoints are subject to ACL and security group rules. Note : Similar to service endpoints, VPE for VPC provides private connectivity to IBM services, but within the VPC network of your choosing.
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