[Apr 05, 2023] C1000-142 Exam Dumps, C1000-142 Practice Test Questions
Free C1000-142 Study Guides Exam Questions and Answer
NEW QUESTION 123
What is one of the benefits of a Private Cloud compared to Public Cloud?
- A. Costs less to bring up and get started
- B. Accessibility which is managed by the cloud provider
- C. Easier to manage external data
- D. Greater ability to customize infrastructure
Answer: D
Explanation:
Private cloud (also known as an internal cloud or corporate cloud) is a cloud computing environment in which all hardware and software resources are dedicated exclusively to, and accessible only by, a single customer. Private cloud combines many of the benefits of cloud computing-including elasticity, scalability, and ease of service delivery-with the access control, security, and resource customization of on-premises infrastructure. Advantages of private cloud include the following: Full control over hardware and software choices. Private cloud customers are free to purchase the hardware and software they prefer, vs. the hardware and software the cloud provider offers. Freedom to customize hardware and software in any way. Private cloud customers can customize servers in any way they want and can customize software as needed with add-ons or through custom development. Greater visibility into security and access control, because all workloads run behind the customers' own firewall. Fully enforced compliance with regulatory standards. Private cloud customers aren't forced to rely on the industry and regulatory compliance offered by the cloud service provider.
NEW QUESTION 124
DevOps brings together development and operations teams to overcome what obstacles?
- A. Automation issues
- B. Cloud transfer problems
- C. Configuration and deployment delays
- D. Customer experience complaints
Answer: C
Explanation:
DevOps is an increasingly common approach to agile software development that developers and operations teams use to build, test, deploy and monitor applications with speed, quality and control. DevOps is relevant to any kind of software project regardless of architecture, platform or purpose. DevOps enables fast and automated deployment of services. DevOps brings together development and operations teams to overcome configuration and deployment delays. With a DevOps strategy you can do the following: - Accelerate the delivery of reliable software. - Balance speed, cost, quality, and risk with increased capacity to innovate. - Reduce time to customer feedback with improved customer experience.
NEW QUESTION 125
Which are following statement are correct for DevOps? Except
- A. DevOps continuously integrates and automates security throughout the DevOps lifecycle
- B. DevOps is a practice of bringing development and operations teams together
- C. With DevOps, a developer can automate the build process, code testing and deployment
- D. DevOps used to deliver code faster to production and iterate continuously based on market feedback
Answer: C
Explanation:
DevOps does not continuously integrates and automates security throughout the DevOps lifecycle, Its DevSecOps which continuously integrates and automates security throughout the DevOps lifecycle.
Remaining three other options are valid for DevOps
Let's understand DevOps first, DevOps is a practice of bringing development and operations teams together. With DevOps, a developer can automate the build process, code testing and deployment. DevOps used to deliver code faster to production (Continuous delivery) and iterate continuously based on market feedback.
With a DevOps strategy you can do the following:
- Accelerate the delivery of reliable software.
- Balance speed, cost, quality, and risk with increased capacity to innovate.
- Reduce time to customer feedback with improved customer experience.
Common use cases for devops include cloud native and mobile applications, application integration, and modernization and multicloud management.
[Exam Tips]: Remember, DevOps is used to deliver code faster to production, DevOps bring development and operation team together to deploy code to production faster.
NEW QUESTION 126
What is an attribute of Cloud computing?
- A. All computing resources are CAPEX costs
- B. All software licensing must be pre-purchased
- C. Zero downtime
- D. Lower IT costs
Answer: D
Explanation:
Cloud computing is on-demand access, via the internet, to computing resources-applications, servers (physical servers and virtual servers), data storage, development tools, networking capabilities, and more-hosted at a remote data center managed by a cloud services provider (or CSP). The CSP makes these resources available for a monthly subscription fee or bills them according to usage. Compared to traditional on-premises IT, and depending on the cloud services you select, cloud computing helps do the following: Lower IT costs: Cloud lets you offload some or most of the costs and effort of purchasing, installing, configuring, and managing your own on-premises infrastructure. Improve agility and time-to-value: With cloud, your organization can start using enterprise applications in minutes, instead of waiting weeks or months for IT to respond to a request, purchase and configure supporting hardware, and install software. Cloud also lets you empower certain users-specifically developers and data scientists-to help themselves to software and support infrastructure. Scale more easily and cost-effectively: Cloud provides elasticity-instead of purchasing excess capacity that sits unused during slow periods, you can scale capacity up and down in response to spikes and dips in traffic. You can also take advantage of your cloud provider's global network to spread your applications closer to users around the world.
NEW QUESTION 127
True Or False. 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?
- A. FALSE
- B. TRUE
Answer: B
Explanation:
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.
NEW QUESTION 128
What is one reason to choose Public Cloud over Private Cloud?
- A. Maximum control of cost
- B. High Performance IO
- C. Avoid upfront capital expenses
- D. Security Issues
Answer: C
NEW QUESTION 129
What are the three Transformational Paths for application modernization?
- A. Informational
- B. Delivery
- C. Infrastructure
- D. Architectural
Answer: B,C,D
Explanation:
Three transformational paths for application modernization are infrastructure, architectural and delivery.
NEW QUESTION 130
Which is NOT a characteristic of the cloud defined by NIST?
- A. Broad network access
- B. Rapid elasticity
- C. Resource pooling
- D. On-demand self-service
- E. Self diagnosis
Answer: E
Explanation:
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.
NEW QUESTION 131
Which of the following are types of Key Value Database?(Select Two)
- A. etcd
- B. Redis
- C. PostgreSQL
- D. MongoDB
Answer: A,B
Explanation:
etcd is an open source distributed key-value store used to hold and manage the critical information that distributed systems need to keep running. etcd's performance is heavily dependent upon storage disk speed, so it's highly recommended to use SSDs in etcd environments. Redis (for REmote DIctionary Server) is an open-source, in-memory, NoSQL key-value store that is used primarily as an application cache or quick-response database. Redis supports multiple data structures, built-in Lua scripting, multiple levels of on-disk persistence, and high availability. Redis is an in-memory data store and can function as a database, cache, or message broker. In-Correct Answers : MongoDB is an open source, non-relational database management system that uses flexible documents to process and store various forms of data. A NoSQL solution, MongoDB provides an elastic data model that enables users to store and query multivariate data types with ease. This not only simplifies database management for developers but also creates a highly scalable environment for applications and services. MongoDB uses documents or collections of documents as its basic unit of data. Formatted as JSON objects, these documents can store various types of data and be distributed across multiple systems. MongoDB offers a few capabilities that make it stand out from other database management systems, including load balancing, ad hoc database queries, and multi-language support. PostgreSQL, commonly pronounced "Post-GRES," is an open-source database that has a strong reputation for its reliability, flexibility, and support of open technical standards. PostgreSQL provides the ability to restore databases to a specific moment in time because it maintains a write-ahead log that logs every database change. PostgreSQL features built-in support for multiple procedural languages.
NEW QUESTION 132
Why would an organization choose to deploy an application in a multi-cloud environment?
- A. To simplify application deployment.
- B. To avoid vendor lock-in.
- C. To use latest version of Kubernetes platform.
- D. To have better CI/CD tools.
Answer: B
Explanation:
Multi-cloud generally refers to the consumption of cloud services from two or more cloud providers. Organizations are preferring multi-cloud environment for deploying their application: to avoid vendor lock-in ,to reduce cloud costs and to use cloud provider unique capabilities.
NEW QUESTION 133
Which IBM Cloud feature enables you to authenticate users and control access to resources across the IBM Cloud plateform?
- A. Account Management Service
- B. Kubernetes Users and Group Service
- C. Identity and Access Management
- D. Trusted Platform Module 2.0
Answer: C
NEW QUESTION 134
What IBM Cloud role automates IT operations and improves system availability and reliability?
- A. IBM Cloud Site Reliability Engineer
- B. IBM Cloud Security Engineer
- C. IBM Cloud Sales Engineer
- D. IBM Cloud Developer
Answer: A
Explanation:
IBM Cloud Site Reliability Engineers automate IT operations and improve system availability and reliability. They can help clients build a modern network operations center.
NEW QUESTION 135
Which IBM Cloud account type has discounted pricing?
- A. Pay-As-You-Go
- B. Lite
- C. Free
- D. Subscription
Answer: D
NEW QUESTION 136
An application is comprised of a set of core functions such as product catalog, client ratings, user forums, and each function must be developed and deployed independently of each other. Which architecture supports this requirement?
- A. Platform-as-a-service
- B. Fowler
- C. Monolithic
- D. Microservices
Answer: D
Explanation:
Microservices architecture is an approach in which a single application is composed of many loosely coupled and independently deployable smaller services.
NEW QUESTION 137
Which of the following are types of virtualizations? (Select Three)
- A. Application virtualization
- B. Region virtualization
- C. CPU visualization
- D. Data center virtualization
Answer: A,C,D
Explanation:
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.
NEW QUESTION 138
What is a key enabling technology of cloud native applications?
- A. A container technology such as Kubernetes
- B. A large scalable relational database
- C. A VMWare cluster
- D. An Autoscaling enabled virtual server group.
Answer: A
Explanation:
Key Enabling Technologies and Tools for a Cloud Native Solution:
Containers, Container orchestration systems (like Kubernetes), Serverless technologies (IBM Cloud Functions and IBM Code Engine), REST APIs, Messaging and event streaming.
NEW QUESTION 139
Which IBM Cloud service is used to specify authorization?
- A. Policy
- B. Group
- C. Resource Group
- D. Role
Answer: A
Explanation:
IBM Cloud Identity and Access Management (IAM) provides secure access control that enable developers to do all sorts of useful things. For example, if an organization's corporate security policies require that IBM Cloud credentials always be encrypted and rotated every week, developers can use IAM to securely provide credentials that write to the Cloudant Service.
IAM policy enables a subject to access a resource. There are three primary values in a policy: a subject, roles, and resources.
NEW QUESTION 140
What is an advantage for a business to use the pay-as-you-go model?
- A. Inaccurate data
- B. Availability
- C. Cost savings
- D. Flexibility
Answer: C
Explanation:
An advantage for a business to use the pay-as-you-go model is cost savings.
NEW QUESTION 141
What optional service added to IBM Cloud allowed for easy backup and replication of virtual machines on VMWare?
- A. Veeam
- B. Spectrum
- C. Snapshot
- D. HyTrust
Answer: A
Explanation:
IBM Cloud for VMware Solutions offers Veeam Backup & Replication technology to provide backup, recovery, and replication for your VMware workload on IBM Cloud. To protect your data, use Veeam to create jobs to back up your workload to IBM Cloud Endurance Storage.
NEW QUESTION 142
Which statements are true for Hypervisor? (Select Max)
- A. Hypervisor is a service for virtualization used in OS to deliver softwares in containers with libraries, and configuration files.
- B. A small software layer that enables multiple operating systems to run alongside each other.
(Correct) - C. A Hypervisor is an exact copy of a regular computer or server.
- D. Hypervisor separates the VMs logically, assigning each its own slice of underlying computing power, memory, and storage.
Answer: B,C,D
Explanation:
Hypervisor : a hypervisor is a lightweight software layer. A hypervisor is an abstraction layer that abstracts physical compute resources, making them available virtually to virtual machines (VMs). The hypervisor assigns processors, memory, and storage to each VM. It keeps VMs separate so that they do not interfere with each other. Features of a hypervisor are: 1. A hypervisor is software that runs on the physical server or host. 2. It pools the resources from the physical server and allocates them to a virtual environment. 3. Hypervisors are leveraged to virtualize hardware whether it's on-premises or in the public cloud.
NEW QUESTION 143
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