CompTIA Updated CV0-003 Exam Questions and Answers by lia

The answer is A. SAML. SAML (Security Assertion Markup Language) is a standard for exchanging authentication and authorization data between different parties, such as a user and a service provider. In a federated cluster, SAML can be used to enable single sign-on (SSO) for users across multiple clusters or cloud providers. SAML relies on the exchange of XML-based assertions that contain information about the user’s identity, attributes, and entitlements. If the users’ API access tokens have become invalid, it could be because the SAML assertions have expired, been revoked, or corrupted. The administrator should check the SAML configuration and logs to determine the cause of this issue.

Some possible sources of information about SAML and federated clusters are:

Authenticating | Kubernetes: This page provides an overview of authenticating users in Kubernetes, including using SAML for federated identity.

Authenticating to the Kubernetes API server - Google Cloud: This page explains how to authenticate to the Kubernetes API server on Google Cloud, including using SAML for federated identity with Google Cloud Identity Platform.

Error 403 User not authorized when trying to access Azure Databricks API through Active Directory - Stack Overflow: This page discusses a similar issue of users getting an error when trying to access Azure Databricks API using SAML and Active Directory.

Detailed Explanation:

C. Bare-metal: Type 1 hypervisors run directly on the hardware, without requiring a host operating system. This provides high performance and direct resource access.

References:

CompTIA Cloud+ CV0-003 Study Guide Chapter 14: Compute Sizing for Deployment​​.

System hardening is the process of securing a system by reducing its attack surface and eliminating unnecessary services, features, or functions. System hardening can help prevent users from installing prohibited software on the VDI instances by applying policies and restrictions that limit the user privileges and access rights. For example, system hardening can disable the installation of software from unknown sources, enforce the use of strong passwords, enable encryption, and remove default accounts. System hardening can also improve the performance and stability of the VDI instances by removing unwanted or unused components. References: [CompTIA Cloud+ CV0-003 Certification Study Guide], Chapter 9, Objective 9.1: Given a scenario, apply security controls and techniques.

Detailed Explanation:

D. Reduce the allocated memory and enable dynamic memory: Allocating excessive memory to VMs can lead to slow performance during initialization. Dynamic memory allows the system to allocate resources as needed, optimizing performance and resource use.

References:

CompTIA Cloud+ CV0-003 Study Guide Chapter 14: Compute Sizing for Deployment​​.