Pass the IBM Certified Advocate - Cloud v2 C1000-142 Questions and answers with ValidTests

Key value databases are best at storing data that is structured but doesn't require the relational abilities of a relational database. Data are stored as a key value pair where the key is a unique identifier. These databases are used for storing leaderboards and shopping cart data.

Today answer this question, it's important to know cloud computing benefits Below are the benefits of cloud computing : Reduced IT costs, Scalability, Business continuity, Collaboration efficiency, Flexibility of work practices, Access to automatic updates. Best answer here is : Scalability and Cost-effectiveness

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. Every VPC has a default ACL that allows all inbound and outbound traffic. You can edit the default ACL rules, or create a custom ACL and attach it to your subnets. A subnet can only have one ACL attached to it at any time, but one ACL can be attached to multiple subnets. To make your ACLs effective, create rules that determine how to handle your inbound and outbound network traffic. With inbound rules, you can allow or deny traffic from a source IP range, with specified protocols and ports. With outbound rules, you can allow or deny traffic to a destination IP range, with specified protocols and ports. ACL rules are prioritized and considered in sequence. Higher priority rules are evaluated first and override lower priority rules. Inbound rules are separated from outbound rules. If no rules are specified, then implicit deny is the default behavior.

Explanation

IBM Cloud offers three support plans - Basic, Advanced, Premium The Advanced IBM Cloud support plan would be most cost effective for Severity 1 issues. Initial response time for advanced IBM Cloud support plan : - Severity 1: Less than one hour - Severity 2: Less than two hours - Severity 3: Less than four hours - Severity 4: Less than eight hours Initial response time for Premium IBM Cloud support plan : - Severity 1: Less than 15 minutes - Severity 2: Less than one hour - Severity 3: Less than two hours - Severity 4: Less than four hours

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.

Explanation

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

IBM Watson Discovery is an award-winning AI-powered search technology that eliminates data silos and retrieves information buried inside enterprise data. It is an intelligent search service that delivers specific answers to questions while serving up an entire document for exploration.

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.