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Google ACE Practice Question: A startup's application uses both GCP services…
A startup's application uses both GCP services and an existing on-premises Kubernetes cluster. They want a single control plane to manage Kubernetes clusters across both environments with consistent policy enforcement. Which Google service provides this?
⚠ Common exam trap
It's easy for candidates to confuse GKE Hub (a fleet management feature) with the full Anthos platform, forgetting that GKE Hub alone does not manage on-premises clusters without Anthos GKE On-Prem.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Anthos (Google Distributed Cloud) for hybrid multi-cluster management
Anthos (Google Distributed Cloud) is the correct answer because it provides a unified control plane for managing Kubernetes clusters across on-premises and GCP environments, enabling consistent policy enforcement, configuration, and observability. Anthos uses GKE on-prem and GKE in the cloud, with a centralized Anthos Config Management and Service Mesh for policy and security consistency, directly addressing the hybrid multi-cluster management requirement.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
GKE Hub (Fleet management)
Why it's wrong here
GKE Hub, now the Fleet feature of Anthos, aggregates multiple GKE and Anthos clusters into a centralized hub, enabling multi-cluster service discovery, policy propagation, and workload identity. However, it is a component of the broader Anthos platform rather than the full solution; effective hybrid multi-cluster management requires the integrated Anthos suite—Config Management, Service Mesh, and centralized observability—that GKE Hub supports. Selecting GKE Hub alone omits the platform-level capabilities, making it an incomplete answer.
- ✓
Anthos (Google Distributed Cloud) for hybrid multi-cluster management
Why this is correct
Anthos (Google Distributed Cloud) is a hybrid multi-cloud platform built on Kubernetes that provides consistent clusters across on-premises data centers, GCP, AWS, and Azure. It integrates Anthos Config Management for policy propagation, Anthos Service Mesh for traffic and observability, and a unified multicluster control plane, enabling consistent security, CI/CD, and application operations. This platform-level approach is what actually delivers unified hybrid multi-cluster management.
- ✗
Cloud Interconnect — connects on-premises clusters to GCP so they share a control plane
Why it's wrong here
Cloud Interconnect establishes dedicated or partner-attached Layer 2/Layer 3 network connectivity between an on-premises network and a Google Cloud VPC, offering low-latency and high-reliability data transfer without traversing the public internet. It operates purely at the network layer, providing IP transport, but it does not create a shared control plane nor does it manage Kubernetes clusters or workloads. Even with Interconnect, you still need a separate management solution like Anthos to unify cluster ops and policy.
- ✗
Cloud Composer — a managed Kubernetes workflow across environments
Why it's wrong here
Cloud Composer is a fully managed workflow orchestration service built on Apache Airflow, used to author, schedule, and monitor data pipelines and task dependencies as directed acyclic graphs (DAGs). Its scope is workflow execution for ETL/ELT and data movement across services, not Kubernetes cluster lifecycle management, node pool administration, or application deployment across environments. Although Cloud Composer itself runs on GKE under the hood, that is an implementation detail and does not make it a Kubernetes cluster manager.
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Related to this question
Learn chapter
Google Cloud Platform Overview
Key term
Kubernetes cluster
A set of machines, called nodes, that work together to run and manage containerized applications using Kubernetes orchestration software.
Key term
Anthos
Anthos is a Google Cloud platform that lets you run applications consistently across different computing environments, like on-premises data centers and multiple public clouds.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This ACE practice question is part of Courseiva's free Google Cloud certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the ACE exam.