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Question 121

A company wants to separate production resources from development resources while maintaining centralized billing and governance. Which Google Cloud hierarchy structure is most appropriate?

1. Multiple buckets within one project
2. Multiple VMs within one zone
3. Separate folders or projects under an organization
4. Separate DNS records

Correct Answer: 3

Explanation

Google Cloud resource hierarchy allows organizations to structure resources using organizations, folders, projects, and individual resources. Separate projects can provide stronger isolation for production and development environments, while folders can group related projects for centralized governance. Policies and IAM configurations can inherit through the hierarchy where applicable. Using multiple buckets or VMs does not provide equivalent administrative isolation. DNS records serve naming purposes rather than resource governance. Therefore, separate folders or projects under an organization are appropriate for structuring development and production environments.

Question 122

Which Google Cloud service provides managed SQL databases such as MySQL and PostgreSQL?

1. Cloud SQL
2. Bigtable
3. Firestore
4. Memorystore

Correct Answer: 1

Explanation

Cloud SQL is a fully managed relational database service supporting database engines such as MySQL, PostgreSQL, and SQL Server. It handles many administrative tasks including backups, maintenance, and high-availability configurations, depending on the selected architecture. Bigtable is a wide-column NoSQL database, Firestore is a document-oriented database, and Memorystore provides managed in-memory caching. Therefore, Cloud SQL is the appropriate service when an application requires a managed relational database using supported traditional SQL engines.

Question 123

An organization wants to prevent developers from creating external IP addresses on certain production resources. Which centralized control should the architect investigate?

1. Cloud Monitoring
2. Organization Policy constraints
3. Cloud Trace
4. Cloud Scheduler

Correct Answer: 2

Explanation

Organization Policy constraints can be used to enforce centralized governance requirements across selected parts of the Google Cloud resource hierarchy. Where a suitable constraint exists, administrators can restrict configurations such as the use of external IP addresses on applicable resources. This provides preventive governance rather than relying only on monitoring after resources are created. Cloud Monitoring observes resource behavior, Cloud Trace analyzes request latency, and Cloud Scheduler executes scheduled tasks. Therefore, Organization Policy constraints should be investigated when centralized restrictions on resource configurations are required.

Question 124

A financial application requires a strongly consistent relational database that can scale across multiple regions. Which service should be evaluated?

1. Cloud Storage
2. Bigtable
3. Cloud Spanner
4. Memorystore

Correct Answer: 3

Explanation

Cloud Spanner is a distributed relational database designed for workloads requiring strong consistency, high availability, and horizontal scalability. It can distribute data across regions while providing transactional capabilities and consistency guarantees appropriate for demanding applications. Cloud Storage is object storage, Bigtable is a wide-column NoSQL database, and Memorystore is an in-memory caching service. Therefore, Cloud Spanner should be evaluated for a financial workload that requires a strongly consistent relational database capable of operating across multiple regions.

Question 125

A company wants to inspect application failures and automatically collect information about unhandled errors. Which Google Cloud observability capability is appropriate?

1. Cloud Error Reporting
2. Cloud NAT
3. Cloud Router
4. Cloud CDN

Correct Answer: 1

Explanation

Cloud Error Reporting helps identify and group application errors and provides visibility into error events occurring in supported applications. It can help development teams understand recurring failures and prioritize investigation of application problems. This complements other observability services such as Cloud Monitoring and Cloud Logging. Cloud NAT provides outbound network translation, Cloud Router manages dynamic routing, and Cloud CDN handles content delivery. Therefore, Cloud Error Reporting is the appropriate capability when the goal is to identify and monitor application errors.

Question 126

A company wants a database for telemetry data generated continuously by millions of devices. The data is primarily accessed using row keys and requires high write throughput. Which service is most appropriate?

1. Cloud SQL
2. Bigtable
3. Firestore
4. Cloud Storage

Correct Answer: 2

Explanation

Bigtable is designed for large-scale workloads involving high throughput and low-latency access to structured key-value or wide-column data. It is well suited to telemetry, time-series, operational analytics, and other workloads where enormous volumes of data are continuously written and retrieved using keys. Cloud SQL is relational, Firestore uses a document model, and Cloud Storage provides object storage rather than database query semantics. Therefore, Bigtable is an appropriate choice for massive device telemetry workloads requiring high write throughput and scalable key-based access.

Question 127

Which networking option allows workloads without external IP addresses to access the public internet for outbound connections?

1. Cloud CDN
2. Cloud DNS
3. Cloud NAT
4. Cloud Armor

Correct Answer: 3

Explanation

Cloud NAT allows resources without external IP addresses to establish outbound connections to the internet while keeping those resources privately addressed. This is useful when private VMs need to download updates, access external APIs, or reach other internet destinations without being directly reachable from the public internet. Cloud CDN focuses on content delivery, Cloud DNS provides name resolution, and Cloud Armor provides security controls. Therefore, Cloud NAT is the appropriate service for controlled outbound internet connectivity from resources without external IP addresses.

Question 128

A company needs a globally distributed relational database but wants applications to continue using SQL transactions. Which architectural requirement points most strongly toward Cloud Spanner?

1. Object storage
2. Distributed relational transactions
3. In-memory caching
4. Asynchronous messaging

Correct Answer: 2

Explanation

Cloud Spanner combines relational database capabilities with distributed architecture, making it suitable for applications that require SQL-style transactions while scaling across regions or large datasets. Its architecture supports strong consistency and horizontal scalability for demanding transactional workloads. Object storage is provided by Cloud Storage, in-memory caching by Memorystore, and asynchronous messaging by Pub/Sub. Therefore, the requirement for distributed relational transactions strongly points toward Cloud Spanner when the workload also needs significant scale and availability.

Question 129

An enterprise wants to automatically scale a stateless web service based on incoming requests without managing servers. Which platform should it consider?

1. Cloud Run
2. Compute Engine unmanaged VMs
3. Bare Metal Solution
4. Local SSD

Correct Answer: 1

Explanation

Cloud Run provides a managed serverless platform for deploying containerized stateless services. It can automatically adjust the number of running instances based on incoming demand, reducing the need for teams to manage servers or cluster infrastructure. This makes it suitable for HTTP APIs, web services, and other stateless workloads. Compute Engine requires VM management, Bare Metal Solution provides specialized physical infrastructure, and Local SSD is a storage option rather than an application platform. Therefore, Cloud Run is appropriate for serverless scaling of stateless web services.

Question 130

A company wants to protect a public web application against common application-layer attacks such as malicious HTTP requests. Which service should be used?

1. Cloud Storage
2. Cloud KMS
3. Cloud Armor
4. Cloud Scheduler

Correct Answer: 3

Explanation

Cloud Armor provides protection for applications exposed through supported Google Cloud load-balancing architectures. It can apply security policies to incoming traffic and help mitigate threats such as malicious requests and distributed denial-of-service attacks. Security policies can be configured to allow, deny, or otherwise control traffic according to defined rules. Cloud Storage manages objects, Cloud KMS manages cryptographic keys, and Cloud Scheduler runs scheduled jobs. Therefore, Cloud Armor should be considered when protecting a publicly accessible web application at the network and application edge.

Question 131

Which storage option is best suited for a workload that requires temporary, very high-performance local disk access and can tolerate losing the data when the VM is stopped or deleted?

1. Cloud Storage
2. Persistent Disk
3. Filestore
4. Local SSD

Correct Answer: 4

Explanation

Local SSD provides high-performance local block storage physically associated with the VM infrastructure. It is useful for workloads that need very low-latency temporary storage, such as caches, scratch space, or intermediate processing data. However, data stored on Local SSD should not be treated as durable because its lifecycle and availability differ from persistent storage options. Persistent Disk provides durable block storage, Filestore provides shared file storage, and Cloud Storage provides object storage. Therefore, Local SSD is appropriate when extreme local performance is needed and data loss can be tolerated.

Question 132

A company needs to send an event to multiple independent applications whenever a new customer is registered. Which messaging architecture is most appropriate?

1. Pub/Sub topic with multiple subscriptions
2. One shared database table polled by every application
3. A single VM running a custom message server
4. Direct synchronous calls from the registration service to every application

Correct Answer: 1

Explanation

A Pub/Sub topic with multiple subscriptions allows one published event to be delivered independently to multiple consuming applications. Each subscriber can process the event according to its own requirements without forcing the publishing application to maintain direct connections to every consumer. This creates loose coupling and allows subscribers to scale independently. A shared database polling model adds unnecessary coordination, a custom message server increases operational responsibility, and direct synchronous calls create tighter dependencies. Therefore, Pub/Sub with multiple subscriptions is an appropriate event-driven architecture.

Question 133

An organization wants to control which Google Cloud services can be used by projects belonging to a particular business unit. Which mechanism should it investigate?

1. Cloud Trace
2. Organization Policy
3. Cloud CDN
4. Cloud Profiler

Correct Answer: 2

Explanation

Organization Policy provides centralized governance across Google Cloud resources and can enforce supported constraints at organizational, folder, or project levels. Depending on the specific requirement and available constraints, administrators can restrict certain resource configurations or services for particular parts of the hierarchy. This allows governance requirements to be applied consistently rather than depending on individual project administrators. Cloud Trace and Cloud Profiler are observability tools, while Cloud CDN is a content-delivery service. Therefore, Organization Policy should be investigated for centralized governance requirements.

Question 134

A company wants to continuously deploy application versions through development, staging, and production environments using controlled release pipelines. Which service is designed for this purpose?

1. Cloud Deploy
2. Cloud DNS
3. BigQuery
4. Cloud Storage

Correct Answer: 1

Explanation

Cloud Deploy is a managed continuous delivery service that supports release pipelines and controlled promotion of application versions across target environments. It can help organizations standardize deployments from development through staging and production while providing visibility into releases. This is different from Cloud Build, which primarily focuses on building and testing software artifacts. Cloud DNS manages domain name resolution, BigQuery provides analytical data processing, and Cloud Storage stores objects. Therefore, Cloud Deploy is designed for controlled continuous delivery across multiple environments.

Question 135

Which Google Cloud capability can help ensure that only approved container images are deployed to a production environment?

1. Cloud Scheduler
2. Cloud CDN
3. Binary Authorization
4. Cloud DNS

Correct Answer: 3

Explanation

Binary Authorization helps organizations establish deployment policies that require container images to satisfy defined authorization requirements before they are deployed to supported environments. This can strengthen software supply-chain security by ensuring that only approved or properly attested images are used. Cloud Scheduler manages scheduled tasks, Cloud CDN handles content delivery, and Cloud DNS manages DNS records. Therefore, Binary Authorization is the appropriate capability when an organization wants policy-based controls over which container images may be deployed.

Question 136

A company needs to transfer a very large dataset from its on-premises environment to Google Cloud but has limited network bandwidth. Which option should be evaluated?

1. Cloud DNS
2. Transfer Appliance
3. Cloud CDN
4. Cloud Trace

Correct Answer: 2

Explanation

Transfer Appliance provides a physical data-transfer option for moving large amounts of data to Google Cloud when network transfer would be impractical or too slow. Data can be copied to the appliance and then shipped to Google for ingestion into the appropriate cloud storage environment. This can be useful for large initial migrations with limited network capacity. Cloud DNS, Cloud CDN, and Cloud Trace address DNS, content delivery, and observability rather than bulk physical data transfer. Therefore, Transfer Appliance should be evaluated for this migration scenario.

Question 137

A workload requires a relational database but must minimize operational tasks such as database patching and routine maintenance. Which option is appropriate?

1. Self-managed database on Compute Engine
2. Manually maintained database server
3. Cloud SQL
4. Local SSD database

Correct Answer: 3

Explanation

Cloud SQL provides managed relational database capabilities while Google Cloud handles many routine infrastructure and database administration tasks. Depending on the configuration, this can include automated backups, maintenance operations, and high-availability capabilities. A self-managed database on Compute Engine requires the organization to manage more of the operating system and database lifecycle. A Local SSD database would also create significant management and durability concerns. Therefore, Cloud SQL is appropriate when a relational database is required but the organization wants to reduce routine operational responsibilities.

Question 138

A company needs to route users to different application versions based on geographic location or other traffic attributes. Which Google Cloud capability should the architect investigate?

1. Cloud Storage lifecycle management
2. Cloud DNS routing policies
3. Cloud KMS
4. Secret Manager

Correct Answer: 2

Explanation

Cloud DNS routing policies can provide traffic-management behavior based on supported routing criteria and DNS responses. This can help organizations direct users toward appropriate endpoints according to factors such as geographic location or configured availability requirements. The exact policy should be selected according to application architecture and DNS behavior. Cloud Storage lifecycle management controls object actions, Cloud KMS manages encryption keys, and Secret Manager stores sensitive values. Therefore, Cloud DNS routing policies should be investigated when DNS-based traffic steering is required.

Question 139

A company wants to improve database availability if a primary Cloud SQL instance becomes unavailable. Which configuration should it consider?

1. High availability configuration
2. Cloud CDN
3. Public DNS only
4. Local SSD caching

Correct Answer: 1

Explanation

Cloud SQL high availability configurations are designed to improve database resilience by maintaining a standby instance in another zone within the selected region. In the event of certain failures, the service can fail over to the standby, helping reduce downtime. This is different from simply adding a cache or using DNS records, which do not provide database failover by themselves. Local SSD caching can improve performance for suitable workloads but does not provide database redundancy. Therefore, a Cloud SQL high availability configuration should be considered when database availability is a priority.

Question 140

A team wants to measure the percentage of successful HTTP requests against a defined reliability target. Which metric concept is being described?

1. RPO
2. SLO
3. SLI
4. RTO

Correct Answer: 3

Explanation

A Service Level Indicator (SLI) is a measurable value that represents an aspect of service performance or reliability. The percentage of successful HTTP requests is an example of an SLI because it provides an objective measurement of service behavior. An SLO is the target established for an SLI, such as requiring 99.9% successful requests. RPO measures acceptable data loss, while RTO measures acceptable recovery time. Therefore, the percentage of successful HTTP requests itself represents an SLI, while the associated reliability target would be an SLO.