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Which IBM Cloud database service supports both relational and non-relational data querying?
Databases for Db2 is an IBM Cloud database service that supports both relational and non-relational data querying.
IBM Cloud Databases for Db2: Db2 on IBM Cloud is a managed database service that supports both relational and non-relational models. It provides JSON and SQL querying capabilities, allowing users to store and retrieve data in a flexible manner. This makes it capable of handling structured, semi-structured, and unstructured data, thus supporting both relational and non-relational data formats.
Support for Multiple Data Types: Db2's multi-model database capabilities enable the execution of SQL queries on relational data and the storage/retrieval of JSON documents, effectively allowing it to function in both relational and non-relational scenarios.
Reference from IBM Cloud Professional Architect Materials:
According to IBM's documentation on IBM Cloud Databases for Db2, it supports a broad range of workloads and use cases, including transactional (relational) and operational (non-relational) workloads, making it suitable for both SQL and NoSQL data models.
The other options are incorrect because:
A . Databases for Redis is a key-value store optimized for in-memory data.
C . Databases for PostgreSQL is strictly a relational database.
D . Databases for etcd is a key-value store primarily used for configuration management.
What is a benefit of using an IBM Cloud multizone region (MZR) for deploying applications?
An IBM Cloud Multizone Region (MZR) offers a deployment architecture that spans multiple, physically separated availability zones within the same region. This configuration provides protection against a single zone failure, as applications and services can continue to operate if one zone experiences an outage.
Why MZR Provides Protection Against Single Zone Failure: Deploying applications in an MZR ensures that resources are distributed across multiple zones, each with its own independent infrastructure (power, cooling, networking). If a failure occurs in one zone, the other zones remain unaffected, thus maintaining the availability of the application.
Comparison with Other Options:
A (Reduced resiliency and availability): Incorrect; MZR increases resiliency and availability.
B (Decreased availability compared to a single zone): Incorrect; MZR offers greater availability than a single zone.
D (Lower interconnectivity speed): Incorrect; MZR is designed to provide high-speed interconnectivity between zones.
IBM Cloud Multizone Regions Overview
IBM Cloud Architect Exam Study Guide
Which encryption option allows clients to have control over the keys used to encrypt their block storage volumes, file shares, and custom images?
Client-managed encryption allows clients to have full control over the encryption keys used to protect their block storage volumes, file shares, and custom images on IBM Cloud. This option ensures that only the client has access to the keys and, therefore, to the data.
Benefits of Client-Managed Encryption: Clients retain control over key management, including generation, rotation, and deletion, ensuring compliance with security policies and regulatory requirements.
Comparison with Other Options:
A (Provider-managed encryption): Managed by IBM, not by the client.
C (IBM-managed encryption): Similar to provider-managed, where IBM controls the keys.
D (Custom encryption): Not a specific term used in IBM Cloud documentation for this feature.
IBM Cloud Data Encryption Documentation
IBM Cloud Architect Exam Study Guide
Which solution is offered by IBM Cloud Internet Services (CIS)?
IBM Cloud Internet Services (CIS) offers a high availability option using range and load balancers.
IBM Cloud Internet Services (CIS): CIS provides security, reliability, and performance for internet-facing applications by offering features like DDoS protection, global load balancing, and content delivery.
High Availability with Load Balancers: CIS uses global load balancing to distribute traffic across multiple servers or data centers, ensuring high availability and minimizing downtime. The range load balancers provide the flexibility to direct traffic efficiently.
Reference from IBM Cloud Professional Architect Materials:
As detailed in IBM's CIS documentation, one of the solutions provided is to ensure high availability through the use of load balancers.
Other options are incorrect:
A . Supporting multi-VLAN and NAT is related to network configuration.
B . Protecting public network, private network, and VLAN is more about network security.
C . Managing from API and portal with appliance GUI relates to management interfaces, not core CIS functionality.
What describes a feature of IBM Cloud Transit Gateway when interconnecting multiple virtual private clouds (VPC)?
IBM Cloud Transit Gateway provides the ability to provision and define connections between resources on the IBM Cloud network.
IBM Cloud Transit Gateway: This service allows you to connect multiple Virtual Private Clouds (VPCs) and on-premises networks to a central gateway. It simplifies network management by providing a single entry point for interconnecting multiple resources across the IBM Cloud.
Connectivity Between Resources: By creating connections through the Transit Gateway, an organization can establish a scalable and flexible network architecture that integrates various cloud resources.
Reference from IBM Cloud Professional Architect Materials:
According to IBM documentation on IBM Cloud Transit Gateway, it provides centralized management and provisioning of connections across different IBM Cloud environments.
Other options are incorrect:
A . Client designates which traffic remains within the private IBM Cloud backbone is not specifically managed by the Transit Gateway.
B . Provides private interconnectivity for on-premises workloads and the designated VPC is more related to Direct Link.
D . Provides a decentralized hub for better regional connectivity and load balancing is incorrect since Transit Gateway is a centralized solution.
