C1000-142 Sample Questions Answers

Correct Answer : True Software as a service (SaaS) is a service model, where you use the software applications over the Internet provided by cloud provider, on demand and typically on a subscription basis. With SaaS, cloud providers host and manage the software application and underlying infrastructure, and they also handle any maintenance, such as software upgrades and security patching. Examples : Gmail, Google DOC Organizations are using SaaS (Software-as-a-Service) to avoid the need for ongoing upgrades, maintenance, and patching, in SaaS model, cloud provider offer compete software as a service over the internet to users (Example- Google Doc, Gmail). In this model, Software or Application are centrally hosted and delivered over the internet under licensed on a subscription.

Cost Estimator Tool have ability to download an estimate as PDF , an .XSLX (Excel) or a .CSV (comma-separated values).

Explanation

Cloud native is an architectural style where the application is typically one that is designed to run on a specific platform. In many cases, these applications can also be moved around to different cloud platforms — so they are also cloud agnostic.

Explanation

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

Object Storage enable you to store and access unstructured data anywhere in the world with a self-service portal backed by RESTful APIs.

Object Storage supports exponential data growth and cloud-native workloads with built-in high-speed file transfer capabilities, cross-region offerings and integrated services.

Use cases: Backup and recovery, Data archiving, Cloud-native application, AI and big data analytics.

Explanation

IBM Cloud Hyper Protect DBaaS for MongoDB is a LinuxONE-powered cloud database solution for enterprise workloads with sensitive data. Hyper Protect DBaaS for MongoDB currently contains MongoDB Enterprise Advanced Edition 4.4. This leading-edge solution offers a highly secure database environment for enterprise workloads with sensitive data. With IBM Cloud™ Hyper Protect DBaaS, you can provision, manage, maintain and monitor multiple database types like MongoDB and PostgreSQL through standardized APIs. Hyper Protect DBaaS is built on LinuxONE technology which provides built-in data encryption along with excellent vertical scalability and performance. It helps protect against threats of data breaches and data manipulation by privileged users and provides a high level of data confidentiality for data owners.

Correct Answers : The Essential Characteristics of Cloud Computing according to NIST : On-demand self-service : A consumer can unilaterally provision computing capabilities, such as server time and network storage, as needed automatically without requiring human interaction with each service provider. Broad network access : Capabilities are available over the network and accessed through standard mechanisms that promote use by heterogeneous thin or thick client platforms (e.g., mobile phones, tablets, laptops, and workstations). Resource pooling: The provider’s computing resources are pooled to serve multiple consumers using a multi-tenant model, with different physical and virtual resources dynamically assigned and reassigned according to consumer demand. There is a sense of location independence in that the customer generally has no control or knowledge over the exact location of the provided resources but may be able to specify location at a higher level of abstraction (e.g., country, state, or datacenter). Examples of resources include storage, processing, memory, and network bandwidth. Rapid elasticity: Capabilities can be elastically provisioned and released, in some cases automatically, to scale rapidly outward and inward commensurate with demand. To the consumer, the capabilities available for provisioning often appear to be unlimited and can be appropriated in any quantity at any time. Measured service : Cloud systems automatically control and optimize resource use by leveraging a metering capability at some level of abstraction appropriate to the type of service (e.g., storage, processing, bandwidth, and active user accounts). Resource usage can be monitored, controlled, and reported, providing transparency for both the provider and consumer of the utilized service. Self diagnosis: It's self made option, added for distraction.

The IBM Cloud Pak® foundational services console includes an Administration Hub dashboard that provides Cluster Administrators an at-a-glance overview of a cluster. From this UI dashboard, you can view key metrics for specific components of IBM Cloud Pak for Security and the IBM Cloud Pak foundational services that are deployed to the cluster. The Administration Hub is available by default. It is deployed automatically as a part of the installation of IBM Cloud Pak for Security and IBM Cloud Pak foundational services. The Administration Hub can be accessed from the main navigation menu of the foundational services console and clicking Home.

IBM Cloud Backup is a full-featured, automated, agent-based backup and recovery system managed through the IBM Cloud Backup WebCC browser utility. Using multivault technologies, you can more securely back up your data between IBM Cloud servers in one or more IBM Cloud data centers, worldwide.

Virtualization is a process that allows for more efficient utilization of physical computer hardware and is the foundation of cloud computing.

Types of virtualization:

CPU (central processing unit) virtualization is the fundamental technology that makes hypervisors, virtual machines, and operating systems possible. It allows a single CPU to be divided into multiple virtual CPUs for use by multiple VMs.

Application virtualization runs application software without installing it directly on the user’s OS. This differs from complete desktop virtualization (mentioned above) because only the application runs in a virtual environment—the OS on the end user’s device runs as usual. There are three types of application virtualization:

Local application virtualization: The entire application runs on the endpoint device but runs in a runtime environment instead of on the native hardware.

Application streaming: The application lives on a server which sends small components of the software to run on the end user's device when needed.

Server-based application virtualization The application runs entirely on a server that sends only its user interface to the client device.

Data center virtualization abstracts most of a data center’s hardware into software, effectively enabling an administrator to divide a single physical data center into multiple virtual data centers for different clients.

Each client can access its own infrastructure as a service (IaaS), which would run on the same underlying physical hardware. Virtual data centers offer an easy on-ramp into cloud-based computing, letting a company quickly set up a complete data center environment without purchasing infrastructure hardware.

Block storage is used to store data files on Storage Area Networks (SANs) or cloud-based storage environments. It can be attached to compute instance. Block Storage normally mounted onto only one compute node at a time. With block storage, you specify the size of the storage and pay a fee based on the size you provisioned.

When data is moved to block storage, the underlying SAN technology breaks the data into separate, uniform-sized pieces, or blocks. Each block will be given a unique identifier. The SAN will then place those blocks onto the physical storage, distributing them across several disks, often making multiple copies.

When a user or application requests data from a block storage system, the underlying SAN technology reassembles the data blocks and presents the data to the user or application.

Block storage decouples data from user environments. It allows data to be spread and duplicated across multiple storage devices, enabling faster retrieval and higher resilience to disk failures.

Benefits:

Provides the lowest latency: Block storage provides the lowest latency for network-based storage versus local disk drives in the server, Provide IOPS up to 48,000 IOPS.

High performing: Block storage is highly available and independent of the clients that access it. It remains available and durable regardless of client outages.

High redundancy: Network-based block storage is considered to have a higher level of redundancy compared to local disk storage.

Endurance and Performance tiers: Block storage has two tiers from which to choose. Volumes can be created from 20 GB to 12 TB in size.

Eight authorized hosts: Block storage allows eight authorized hosts (can request up to 64) to connect via the multipath IO (MPIO) iSCSI connection.

Snapshots: Block storage allows point-in-time non-disruptive “snapshots,” which can be replicated to a cross-regional data center as a duplicate volume.

Custom costs: Block storage allows monthly and hourly billing cycles.

Data-at-rest encryption: Block storage offers provider-managed encryption-at-rest. Note: Customer-managed encryption is not supported by IBM Classic Storage; however, customer-managed encryption keys can be stored

Use Cases :

⦾ As you have learned, block storage has a high performance and is easily updatable. Therefore, many organizations use it for transactional databases.

⦾ Because of its high performance and reliability, block storage is a common solution for storing emails.

⦾ Block storage suitable for low latency workloads where consistently high speeds required.

Watson Discovery unlocks hidden value in information to get answers, monitor trends, and repair patterns with the world’s most advanced cloud-native insight engine. ⦿ Watson Discovery Service enables you to ingest, normalize, enrich, index, search, and explore, your data, both structured and unstructured. Watson Discovery gives you the ability to, store, analyze, and understand your data at scale. First, Watson ingests and standardizes all of your data, no matter the type. Just load it and go. Watson then enriches your data using natural language understanding capabilities. ⦿ Watson Discovery allows you to interrogate your data in either a natural language format or a query language that will search for both Boolean conditions and for phrases. Once the data is found, Watson Discovery uses machine learning algorithms to order the answers so that the most useful answers are listed first. ⦿ Watson Discovery leverages the power of Watson to add deep content learning to your applications. One application of Watson Discovery is natural language documentation search.

Explanation

Correct Answer : IBM API Connect® Service provides API creation and management with security-rich features and centralized governance. You can use IBM API Connect for IBM Cloud to quickly create APIs for microservices based on Node.js and Java runtimes. When APIs are hosted on API Connect: Consumers can locate, understand, learn, and experiment with the APIs they need before committing to use them. They can also self-subscribe to them using revocable keys. Providers can hide the exact locations of API implementations, enable version-based routing, and throttle inbound requests to the API on a per-consumer basis. These capabilities are helpful while packaging data for partners. Consumers and providers can track use and response times, which allows them to tie resource use to their business model. In-Correct Answers IBM Event Streams for IBM Cloud is a high-throughput message bus built with Apache Kafka and was previously known as Message Hub. In Event Streams, applications send data by creating a message and sending it to a topic. It uses availability support from IBM Kubernetes services to maintain high availability and resilience. Integration is available with IBM Cloud services as well as Watson Internet of Things® (IoT). Key Features Fully Managed: Built on Apache Kafka, IBM Cloud Event Streams is a fully managed service. Intuitive UX: Deploy your Event Streams in minutes using the benefits of IBM Design Thinking. Event-Driven: Use integrations with IBM Cloud services like Watson IoT platform, IBM Streaming Analytics, and IBM Cloud Functions to easily create your event-driven architecture. IBM App Connect® is a powerful all-in-one tool for easily connecting apps, integrating data, building APIs, and acting on events. App Connect can connect any endpoint, map your data, and move data fast. With IBM App Connect, you can reliably access and combine data assets across all your enterprise applications, databases, and systems and expose them as APIs. You can connect to any application or endpoint, from the latest SaaS apps to mainframe systems. IBM App Connect allows you to connect applications together using a common platform. It enables you to build automation triggers between applications and automate workflows and integrate data using the included 75+ connectors and 50+ templates. Key Features Intuitive Development Tools: Easily create APIs, thoroughly test them, then share them with others both inside and outside your organization. Easy Yet Powerful Security: Use pre-defined security policies to protect your API or customize your own. Lifecycle Management: Manage the entire lifecycle of your APIs for your internal team, external consumers, and third parties. Customizable Developer Portal: Share your APIs with other developers using the built-in fully-customizable portal. The portal includes the ability to communicate with API consumers using a variety of modalities including blogs, forums, and messaging. IBM® MQ on Cloud provides enterprise-grade messaging capabilities to allow the flow of information between different applications. This service is fully managed so you can focus on integrating MQ applications rather than upgrades and patches. Key Features Deduplication: Messages are delivered without duplicates. Connectivity: Connectivity issues are handled by MQ. Encryption: End-to-end data encryption is used to ensure the security of your data. [Exam Tips] Remember following points: If you need to create, secure, and manage APIs use API Connect If you need to connect, copy, and sync application data across platforms use APP Connect If you need to deliver reliable, secure messaging, either on-premises or over the cloud use MQ If you need to build adaptive smart apps that react to events as soon as they happen use IBM Event Streams

The best answer here is Regulatory and compliance standards. The other Challenges and Perceived Risks of Cloud Computing are : •Data security •Governance and sovereignty issues •Lack of standardization

Cloud adoption is a strategy used by organizations to improve customer service and reduce costs while increasing efficiencies. Benefits of Cloud Adoption: - Scalability - Cost-Effectiveness - Security - Backup and Recovery - Accelerated Adoption A value of cloud adoption is the collaboration it allows between teams across widespread geographical regions, including international locations.

Cloud is a metaphor for the internet based on the basic cloud drawing used to represent the telephone network. [Exam Tips] : On-demand self-service is an essential characteristic of cloud computing.

MongoDB is a cross-platform document-oriented database.

Explanation

An advantage for a business to use the pay-as-you-go model is cost savings.

Explanation

Object Storage is suitable for the backup of a database in cloud storage.

Explanation

The DevOps toolchain tools build, deploy, and manage apps that make development and operations repeatable and easier to manage. A continuous delivery service is required before an IBM Cloud Toolchain can be executed. Toolchains are a set of tools that are used to automate the process of building, deploying, and manage applications. You can create toolchains from a variety of sources including other IBM Cloud services, third-party software, and open-source tools.

Explanation

Site reliability engineering (SRE) uses software engineering to automate IT operations tasks - e.g. production system management, change management, incident response, even emergency response - that would otherwise be performed manually by systems administrators (sysadmins). The principle behind SRE is that using software code to automate oversight of large software systems is a more scalable and sustainable strategy than manual intervention - especially as those systems extend or migrate to the cloud. SRE can also reduce or remove much of the natural friction between development teams who want to continually release new or updated software into production, and operations teams who don't want to release any type of update or new software without being absolutely sure it won't cause outages or other operations problems. As a result, while not strictly required for DevOps, SRE aligns closely with DevOps principles and can be play an important role in DevOps success

Explanation

IBM Watson Assistant is an AI-powered virtual agent that provides customers with fast, consistent, and accurate answers across any messaging platform, application, device, or channel. Using AI and natural language processing, Watson Assistant learns from customer conversations, improving its ability to resolve issues the first time while removing the frustration of long wait times, tedious searches, and unhelpful chatbots. With Watson Assistant, you can build conversational interfaces into any application, device, or channel. Most virtual assistants try to mimic human interactions, but Watson Assistant knows when to search for an answer from a knowledge base, when to ask for clarity, and when to direct someone to a human. Like a human personal assistant, the assistant you build helps your customers perform tasks and answer questions.

The goals of cloud native are to adopt design patterns, paradigms, and techniques that enable loosely coupled systems build around microservice architecture principles.

IBM® API Connect is an integrated API management offering, where all of the steps in the API lifecycle, and the actions that surround it, are performed within the offering. The steps of the API lifecycle include creating, running, managing, and securing APIs.

Oracle Cloud Server is a server (compute shape), It's not a server-less offering of Oracle Cloud Infrastructure. In-

Correct Answer: AWS Lambda, Google Cloud Functions, Microsoft Azure Functions are automation services of AWS, GCP and Microsoft. Server-less 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 Its can handle extremely active traffic periods.