C1000-142 Exam Dumps - IBM Certified Advocate - Cloud v2 Questions and Answers

Explanation

Correct Answer : 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. In-Correct Answers 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. While Redis is an in-memory database store, MongoDB is known as an on-disk document store. Although both solutions are built for different purposes, they are often used together to maximize the speed and efficiency of a NoSQL database. 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. 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. Db2 is a relational database with enterprise-grade performance. It provides multizone support allowing it to be run in a highly-available configuration. Note : Cloudant is also a document database that uses JSON files to store and index documents. Its serverless design allows for easy scaling based on need.

IBM Cloud® Internet Services Edge functions allow you to create or modify existing applications, without having to configure or maintain infrastructure, by using a serverless execution environment. Edge functions run on CIS edge servers, not in the user’s browser. That means you can trust that your code runs in a trusted environment where it cannot be bypassed by malicious clients. It also means that the user does not need to be using a modern browser that supports service workers – you can even intercept requests from API clients that aren't browsers. Edge Functions allows you to run code closer to users of your public-facing applications or websites. In turn, you can improve your application's performance and reduce latency. This means you can quickly create new applications or modify existing ones without having to configure or maintain infrastructure via our serverless execution environment. Once a new application is deployed or an existing application is modified, it takes us ~15 seconds to get the changes distributed globally to our 180+ PoPs worldwide.

Explanation

Continuous Integration checks that the application is not broken whenever new commits are integrated into the main branch; prevents significant drift, competing changes, and merge conflicts.

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.

A region that is comprised of 3 or more zones that are independent from each other to ensure that single failure events affect only a single zone.

Explanation

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. Use Cases: Block storage suitable for low latency workloads where consistently high speeds required. Features: -Offer volume size from 20 GB to 12 TB, -Provide encryption for data at rest -Provide IOPS upto 48,000 IOPS -Highly available and resilient.

A resource is the instance of the service