IBM C1000-172 Exam Dumps

IBM Cloud Analytics Engine decouples compute and storage to provide independent scaling and cost management capabilities. This approach allows organizations to scale compute resources (such as CPU and memory) separately from storage resources, optimizing both performance and cost.

Independent Scaling: Decoupling compute and storage means that users can scale the computational power (e.g., number of nodes, processing capabilities) independently of the storage capacity (e.g., data stored in IBM Cloud Object Storage). This is particularly useful in data analytics workloads where the compute requirements may vary significantly over time, but the storage requirements remain relatively constant.

Cost Control: By allowing compute and storage to be managed separately, users have greater flexibility to control costs. For example, users can increase compute power temporarily to handle a peak workload without the need to increase storage costs. Conversely, they can store large datasets without paying for unused compute capacity. This decoupling leads to a more cost-effective and efficient use of cloud resources.

Advantages in Cloud Environments: Decoupling compute and storage aligns with the best practices in modern cloud environments, where elasticity, scalability, and cost efficiency are paramount. It allows organizations to adapt quickly to changing business needs and workload demands, reducing overhead and improving resource utilization.

IBM Cloud Analytics Engine Documentation

IBM Cloud Architect Exam Study Guide

IBM Cloud Object Storage

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.

A security feature of IBM Cloud VPN for virtual private cloud (VPC) service is Perfect Forward Secrecy (PFS).

Perfect Forward Secrecy (PFS): PFS ensures that the compromise of one session key does not compromise the confidentiality of past sessions. It provides additional security for encrypted communications by generating unique keys for each session, making it a critical feature for VPN services.

IBM Cloud VPN for VPC: This service utilizes PFS to secure communication between the cloud environment and external networks, ensuring high levels of data protection and encryption.

Reference from IBM Cloud Professional Architect Materials:

The IBM documentation on IBM Cloud VPN describes PFS as a fundamental security feature for protecting data transmitted over the network.

Other options are incorrect:

A . Passive Peer Detection is not a security feature.

B . RSA key exchange is a cryptographic algorithm but does not describe a VPN-specific security feature.

D . Post-shared key is not a relevant term.

IBM Key Protect is a cloud-based key management service that allows organizations to manage encryption keys used to protect their data across IBM Cloud services. The primary objective of IBM Key Protect is to securely generate, store, manage, and use cryptographic keys to protect sensitive data.

Key Management System: IBM Key Protect provides lifecycle management for keys, including creating, rotating, importing, and deleting keys. This service integrates with various IBM Cloud services to enable secure data encryption and protect data at rest and in transit.

Use Cases: It is designed for organizations that need to ensure compliance with data security regulations and protect their data using industry-standard encryption practices. It provides a centralized key management solution for cloud-native applications and workloads.

Comparison with Other Options:

Hardware security module (B) is a different type of secure key storage, which can be used alongside IBM Key Protect but is not its primary function.

Data analytics platform (C) and Cloud-based data storage solution (D) are unrelated to key management and encryption.

IBM Key Protect Documentation

IBM Cloud Architect Exam Study Guide

IBM Cloud Security Services

The Global Routing option of IBM Cloud Direct Link offers private network connectivity to IBM Cloud services across multiple regions.

IBM Cloud Direct Link: This service provides dedicated private network connectivity from your on-premises environment to the IBM Cloud. The Global Routing option allows data to be transmitted securely across multiple IBM Cloud regions, ensuring low latency and high-speed connectivity for global deployments.

Global Connectivity: With the Global Routing option enabled, organizations can connect to IBM Cloud services in multiple regions without needing separate connections for each region, simplifying network management and improving performance.

Other options are incorrect:

A . Public Routing option does not provide private network connectivity.

C . Semi Private Routing option is not a recognized option.

D . Private Routing option offers connectivity within a single region rather than multiple regions.