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← Analyze and optimize technical and business processes practice sets

Google PCA Analyze and optimize technical and business processes • Complete Question Bank

Google PCA Analyze and optimize technical and business processes — All Questions With Answers

Complete Google PCA Analyze and optimize technical and business processes question bank — all 0 questions with answers and detailed explanations.

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Certifications/Google PCA/Practice Test/Analyze and optimize technical and business processes/All Questions
Question 1mediummultiple choice
Read the full Analyze and optimize technical and business processes explanation →

A company is migrating its on-premises Oracle database to Cloud SQL for PostgreSQL. The database team wants to minimize downtime during migration. Which approach should they use?

Question 2hardmultiple choice
Read the full Analyze and optimize technical and business processes explanation →

An e-commerce platform uses Cloud Spanner for order processing. Recently, latency spikes have occurred during flash sales. The team suspects hot spots due to monotonically increasing order IDs. Which table design change would best solve this?

Question 3easymultiple choice
Read the full Analyze and optimize technical and business processes explanation →

A startup uses Cloud Functions with a Pub/Sub trigger to process incoming orders. They notice that the function sometimes fails to process messages, and those messages are lost. What is the most likely cause?

Question 4mediummultiple choice
Read the full Analyze and optimize technical and business processes explanation →

A company uses BigQuery for analytics. They have a large partitioned table that is queried frequently. The query performance has degraded over time. Which optimization should they try first?

Question 5hardmultiple choice
Read the full Analyze and optimize technical and business processes explanation →

An organization runs a Kubernetes cluster on GKE with cluster autoscaling enabled. They notice that pods are frequently in 'Pending' state due to insufficient CPU, but the cluster autoscaler does not add nodes quickly enough. What is the most likely cause?

Question 6easymultiple choice
Read the full Analyze and optimize technical and business processes explanation →

A company wants to reduce costs for a Cloud Storage bucket that stores infrequently accessed archival data. The data is accessed roughly once a quarter. Which storage class should they use?

Question 7mediummulti select
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A company is designing a disaster recovery plan for a critical application running on Compute Engine with a regional persistent disk. They want to minimize recovery time objective (RTO) and recovery point objective (RPO). Which TWO strategies should they implement? (Choose two.)

Question 8hardmulti select
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A company is using Cloud Bigtable for time-series data from IoT devices. They are experiencing high latency for queries that scan a large range of rows. Which THREE actions can improve query performance? (Choose three.)

Question 9mediummultiple choice
Read the full Analyze and optimize technical and business processes explanation →

A developer ran the command `gcloud compute instances describe instance-1 --zone us-central1-a` and received the above output. They want to create another instance with the same configuration, except with a different external IP. Which action should they take?

Exhibit

Refer to the exhibit.

```
project = my-project
zone = us-central1-a
name = instance-1
machineType = n1-standard-4
networkInterfaces[0].accessConfigs[0].natIP = 35.193.10.20
labels:
  env: prod
  app: web
metadata:
  startup-script: echo 'Hello'
```
Question 10hardmultiple choice
Read the full Analyze and optimize technical and business processes explanation →

A developer is deploying a containerized application to Cloud Run. The deployment fails with the error above. What is the most likely cause?

Exhibit

Refer to the exhibit.

```
ERROR: (gcloud.beta.run.deploy) The user-provided container failed to start and listen on the port defined provided by the PORT=8080 environment variable.
Logs:
2023-05-01 12:00:00.000 INFO server started on port 3000
```
Question 11hardmultiple choice
Read the full Analyze and optimize technical and business processes explanation →

Your company runs a multi-tier web application on Google Kubernetes Engine (GKE). The application consists of a frontend service, a backend API service, and a PostgreSQL database deployed using a StatefulSet with persistent volumes. The backend service exposes a gRPC endpoint. Recently, the team noticed that the backend service experiences intermittent high latency and occasional timeouts. The frontend service is stateless and scales well. The backend service is CPU-bound. The database is not the bottleneck. The cluster has three nodes of type n1-standard-4. The backend service is deployed with 10 replicas, each requesting 1 CPU and 2 Gi memory. Node utilization is around 70% CPU. The team suspects the network is the issue. However, after reviewing the GKE monitoring dashboard, they see that the network bytes sent/received per second for the backend pods is well below the node's network bandwidth limit. The latency spikes seem correlated with periods of high CPU throttling on the backend pods. The backend service's gRPC requests are small (under 1 KB), and the responses are also small. The team has already optimized the application code. What should the team do to reduce latency?

Question 12mediummultiple choice
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A company runs a monolithic application on Compute Engine. They want to modernize by moving to microservices on Google Kubernetes Engine (GKE) to improve deployment frequency and resource utilization. However, they are concerned about the increased operational complexity. Which approach best balances modernization benefits with operational overhead?

Question 13hardmulti select
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A company wants to optimize their cloud spending on Google Cloud. They have a mix of workloads including batch processing, real-time analytics, and web serving. Which TWO strategies should they implement to reduce costs without significant architectural changes? (Choose two.)

Question 14easymultiple choice
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Refer to the exhibit. A DevOps engineer created this Terraform configuration to deploy a Compute Engine instance. After applying, they notice the instance is not accessible from the internet. What is the most likely cause?

Exhibit

Refer to the exhibit.

```
resource "type" "name" {
  project = "my-project"
  name    = "example-instance"
  machine_type = "e2-medium"
  zone         = "us-central1-a"
  boot_disk {
    initialize_params {
      image = "debian-cloud/debian-11"
      size  = 10
      type  = "pd-standard"
    }
  }
  network_interface {
    network = "default"
    access_config {
      // Ephemeral public IP
    }
  }
}
```
Question 15mediummultiple choice
Review the full routing breakdown →

You are a cloud architect for an e-commerce company. Their application runs on Google Kubernetes Engine (GKE) with a Regional cluster. The application consists of a frontend service, a backend service, and a Redis cache. Traffic is routed via an external HTTP(S) Load Balancer to the frontend. Recently, customers have reported intermittent 502 Bad Gateway errors during peak hours. The frontend logs show 'upstream connect error or disconnect/reset before headers. retried and limit reset' errors. The backend service is deployed with 3 replicas, each with resource requests of 1 CPU and 2 GB memory. The cluster autoscaler is enabled with a minimum of 3 nodes and a maximum of 10 nodes, using e2-standard-4 instances. The backend service's HPA is configured with CPU utilization target of 80%. During peak hours, CPU utilization on the backend pods reaches 90%, but the HPA does not scale up. The cluster has sufficient node capacity. What should you do to resolve the issue?

Question 16mediummulti select
Read the full NAT/PAT explanation →

A company is using Cloud NAT to allow instances in a private subnet to access the internet for updates. The security team wants to audit outbound connections. Which TWO steps should be taken to enable flow logs for Cloud NAT?

Question 17hardmultiple choice
Read the full NAT/PAT explanation →

A team deployed the Terraform configuration shown in the exhibit. They observe that Cloud NAT is not translating traffic from the private subnet as expected. What is the most likely cause?

Exhibit

Refer to the exhibit.

```
resource "google_compute_router_nat" "nat" {
  name   = "my-nat"
  router = google_compute_router.router.name
  region = "us-central1"
  nat_ip_allocate_option = "AUTO_ONLY"
  source_subnetwork_ip_ranges_to_nat = "LIST_OF_SUBNETWORKS"
  subnetworks {
    name                    = google_compute_subnetwork.private.self_link
    source_ip_ranges_to_nat = ["PRIMARY_IP_RANGE"]
  }
  log_config {
    enable = true
    filter = "ERRORS_ONLY"
  }
}
```
Question 18easymultiple choice
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A startup runs a web application on Google Kubernetes Engine (GKE) with 3 replicas serving user traffic. They use Cloud SQL for the database. Recently, the application experienced intermittent timeouts during peak hours. Monitoring shows high CPU usage on the GKE nodes and increased database connection pool exhaustion. The team is looking for a cost-effective solution that minimizes architectural changes. The application is stateless. What should they do?

Question 19mediumdrag order
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Drag and drop the steps to set up a Cloud SQL for PostgreSQL instance with high availability into the correct order.

Drag steps to the numbered slots on the right, or tap a step then tap a slot.

Steps
Order
1Step 1
2Step 2
3Step 3
4Step 4
5Step 5
Question 20mediumdrag order
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Drag and drop the steps to implement a disaster recovery plan using Cloud Storage and Cloud Functions in the correct order.

Drag steps to the numbered slots on the right, or tap a step then tap a slot.

Steps
Order
1Step 1
2Step 2
3Step 3
4Step 4
5Step 5
Question 21mediummatching
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Match each GCP database service to its type.

Drag a concept onto its matching description — or click a concept then click the description.

Concepts
Matches

Managed relational database (MySQL, PostgreSQL, SQL Server)

NoSQL document database

NoSQL wide-column database

Horizontally scalable relational database

Managed Redis or Memcached

Question 22mediummatching
Read the full Analyze and optimize technical and business processes explanation →

Match each GCP migration term to its description.

Drag a concept onto its matching description — or click a concept then click the description.

Concepts
Matches

Move workloads without modification

Tool to migrate VMs to GCP

Physical device for large data transfer

Online data transfer from other clouds or on-prem

Migrate databases to Cloud SQL with minimal downtime

Question 23easymultiple choice
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A startup deploys a web application on Compute Engine instances behind an HTTP load balancer. They need to handle unpredictable spikes in traffic with minimal operational overhead. What is the simplest scaling approach?

Question 24mediummultiple choice
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A company stores backup data in Cloud Storage. They observe high egress costs when clients download backups. Additionally, they must retain backups for 7 years for compliance. Which optimization should they implement first?

Question 25hardmultiple choice
Read the full Analyze and optimize technical and business processes explanation →

A company runs a streaming data pipeline using Dataflow to process real-time data and insert into BigQuery. Recently, workers are frequently failing with out-of-memory errors and the pipeline latency is increasing. What should they do to resolve the issue?

Question 26mediummultiple choice
Read the full Analyze and optimize technical and business processes explanation →

A company uses Cloud SQL for PostgreSQL for their transactional database. They need a disaster recovery solution that provides cross-region failover with a recovery point objective (RPO) of less than 1 minute. Which solution meets these requirements?

Question 27easymultiple choice
Read the full Analyze and optimize technical and business processes explanation →

A development team uses Cloud Build for their CI/CD pipeline. They want to reduce build times. Which action is most effective?

Question 28hardmultiple choice
Read the full Analyze and optimize technical and business processes explanation →

A financial institution stores sensitive customer data in Cloud Storage. They need to audit all data access and prevent unauthorized data exfiltration. They also require context-aware access controls based on user location and device. Which Google Cloud service should they configure?

Question 29hardmultiple choice
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A company uses Cloud CDN to accelerate content delivery for their global user base. They notice a low cache hit ratio, and they also need to deliver personalized content based on user geolocation. What should they do?

Question 30easymultiple choice
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A developer is migrating a stateful application to GKE. The application requires persistent storage with high IOPS for a database. Which storage option is most suitable?

Question 31mediummultiple choice
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A company uses Cloud Composer to manage Apache Airflow workflows. They want to optimize costs. Which practice is most effective?

Question 32hardmulti select
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A company uses Cloud Armor to protect their HTTP load balancer. They need to block traffic from a specific set of IP addresses and also prevent SQL injection attacks. Which two configurations should they use? (Choose TWO.)

Question 33mediummulti select
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A data analytics team uses BigQuery to run large queries. They want to reduce query costs. Which three practices should they adopt? (Choose THREE.)

Question 34easymulti select
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A startup deploys a microservices application on GKE. They need to ensure high availability of the services. Which two strategies should they implement? (Choose TWO.)

Question 35mediummultiple choice
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Refer to the exhibit. A Cloud Run service is experiencing high latency and returns 502 errors when traffic spikes. What should the team adjust first?

Network Topology
region=us-central1format=jsonRefer to the exhibit.```json"spec": {"containers": ["image": "gcr.io/my-project/my-image:latest","resources": {"limits": {"memory": "256Mi","cpu": "1000m"},"env": [{"name": "MAX_CONCURRENCY", "value": "80"}],"containerConcurrency": 80```
Question 36hardmultiple choice
Read the full Analyze and optimize technical and business processes explanation →

Refer to the exhibit. A Cloud Function processes files uploaded to Cloud Storage. It usually completes within 2 minutes, but recently it has been timing out after 540 seconds. What is the most likely cause?

Exhibit

Refer to the exhibit.

Cloud Functions log entry:

```json
{
  "severity": "ERROR",
  "jsonPayload": {
    "message": "Function execution failed with timeout after 540s",
    "execution_id": "1234"
  },
  "resource": {
    "type": "cloud_function",
    "labels": {
      "function_name": "process-file",
      "region": "us-central1"
    }
  },
  "timestamp": "2024-01-15T10:00:00Z"
}
```
Question 37easymultiple choice
Read the full Analyze and optimize technical and business processes explanation →

Refer to the exhibit. A team wants to grant the ability to run queries (but not modify) on BigQuery datasets to a new set of users who have email addresses in the 'example.com' domain. What is the simplest way to achieve this?

Exhibit

Refer to the exhibit.

Cloud IAM policy:

```json
{
  "bindings": [
    {
      "role": "roles/bigquery.dataViewer",
      "members": [
        "user:alice@example.com",
        "domain:example.com"
      ]
    },
    {
      "role": "roles/bigquery.dataEditor",
      "members": [
        "serviceAccount:sa@project.iam.gserviceaccount.com"
      ]
    }
  ]
}
```
Question 38easymultiple choice
Read the full Analyze and optimize technical and business processes explanation →

A company wants to reduce Google Cloud costs for a batch processing workload. They currently use n1-standard-4 VMs running 24/7. The workload runs for 2 hours each night. What is the most cost-effective recommendation?

Question 39mediummultiple choice
Read the full NAT/PAT explanation →

A company is deploying a microservices application on Google Kubernetes Engine (GKE). They want to optimize costs without sacrificing availability. They have varying traffic patterns. Which strategy should they recommend?

Question 40hardmultiple choice
Read the full Analyze and optimize technical and business processes explanation →

A company runs a large-scale data processing pipeline using Dataflow with streaming data from Pub/Sub. They notice increasing costs due to high data shuffle operations. They want to optimize the pipeline performance and cost. Which approach should they take?

Question 41easymultiple choice
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A company is using Cloud Storage for backups and wants to minimize costs. The backups are accessed infrequently and can tolerate retrieval delays. Which storage class is most appropriate?

Question 42mediummultiple choice
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A company migrated their on-premises database to Cloud SQL and now experiences high latency for read-heavy workloads. How can they optimize performance?

Question 43hardmultiple choice
Read the full Analyze and optimize technical and business processes explanation →

A company is using BigQuery for analytics and wants to optimize query costs. They have many ad-hoc queries that scan large tables. What is the best practice?

Question 44easymultiple choice
Read the full VPN explanation →

A company wants to optimize their network costs for inter-region traffic using Cloud VPN. What is the most cost-effective configuration?

Question 45mediummultiple choice
Read the full Analyze and optimize technical and business processes explanation →

A company is using Cloud CDN to accelerate content delivery. They notice increased costs from cache misses. What can they do?

Question 46hardmultiple choice
Review the full routing breakdown →

A company has a multi-region deployment of App Engine and wants to optimize request routing for latency and cost. Which GCP service should they use?

Question 47easymulti select
Read the full Analyze and optimize technical and business processes explanation →

Which TWO actions can reduce costs for a Cloud SQL for MySQL instance? (Choose two.)

Question 48mediummulti select
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Which TWO strategies should a company implement to optimize costs for a production GKE cluster? (Choose two.)

Question 49hardmulti select
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Which THREE steps can reduce processing costs in a Dataflow streaming pipeline? (Choose three.)

Question 50easymultiple choice
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Refer to the exhibit. The output is from `gcloud compute instances describe instance-1 --format=json`. What can you conclude from this output?

Exhibit

{
  "kind": "compute#instance",
  "name": "instance-1",
  "machineType": "https://www.googleapis.com/compute/v1/projects/my-project/zones/us-central1-a/machineTypes/n1-standard-2",
  "cpuPlatform": "Intel Skylake",
  "creationTimestamp": "2024-01-01T00:00:00.000-08:00",
  "status": "RUNNING"
}
Question 51mediummultiple choice
Read the full Analyze and optimize technical and business processes explanation →

Refer to the exhibit. This is an IAM policy for a BigQuery dataset. What does the policy allow?

Exhibit

{
  "bindings": [
    {
      "role": "roles/bigquery.dataViewer",
      "members": [
        "user:alice@example.com"
      ]
    },
    {
      "role": "roles/bigquery.jobUser",
      "members": [
        "group:analysts@example.com"
      ]
    }
  ]
}
Question 52hardmultiple choice
Review the full subnetting walkthrough →

Refer to the exhibit. The log entry is from Cloud Logging for a VPC subnetwork. What is the most likely cause of this error?

Exhibit

{
  "resource": {
    "type": "gce_subnetwork",
    "labels": {
      "subnetwork_name": "default",
      "region": "us-central1"
    }
  },
  "severity": "ERROR",
  "textPayload": "Packet from 10.0.0.1:12345 to 10.0.0.2:80 dropped by firewall policy 'default-deny-ingress'."
}
Question 53easymultiple choice
Read the full NAT/PAT explanation →

A company runs a web application on Compute Engine instances. The application stores session state in files on local SSD. The company wants to reduce costs without sacrificing performance for a predictable traffic pattern. What should they do?

Question 54mediummultiple choice
Read the full Analyze and optimize technical and business processes explanation →

You are running a Cloud Run service that experiences occasional cold starts causing latency spikes. You want to minimize cold starts cost-effectively. What should you do?

Question 55hardmultiple choice
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A company runs batch processing jobs on a GKE cluster using preemptible node pools. The jobs are fault-tolerant and can be interrupted. However, the cluster is experiencing high costs due to underutilized nodes. The batch jobs run for 2-3 hours each. What is the most cost-effective optimization?

Question 56easymultiple choice
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A team uses Cloud Build for CI/CD. The builds are taking longer than expected due to dependency downloads. What is the best practice to speed up builds?

Question 57mediummultiple choice
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A company has an on-premises data center connected to GCP via Dedicated Interconnect. They run latency-sensitive applications on GCE and use Cloud Storage for backups. The backup traffic is causing congestion on the Interconnect link. How should they optimize costs and performance?

Question 58hardmultiple choice
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A Cloud Spanner instance is experiencing high latency for point reads. The instance has 5 nodes and the read throughput is moderate. The table has a primary key with monotonically increasing values. What is the most likely cause and optimization?

Question 59easymultiple choice
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A company commits to using Compute Engine for 3 years and wants the maximum discount. Which purchasing option should they use?

Question 60mediummultiple choice
Read the full Analyze and optimize technical and business processes explanation →

A company uses BigQuery for analytics and has a large number of ad-hoc queries from different teams. Costs are rising unpredictably. They want to control costs while maintaining query performance. What should they do?

Question 61hardmultiple choice
Read the full Analyze and optimize technical and business processes explanation →

A financial services company needs a disaster recovery plan for a critical application running on GKE. The application uses Cloud SQL for MySQL. The RPO is 5 minutes and RTO is 15 minutes. Which design meets these requirements cost-effectively?

Question 62mediummulti select
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A company stores large amounts of data in Cloud Storage and wants to reduce costs. Which two actions should they take? (Choose two.)

Question 63hardmulti select
Read the full Analyze and optimize technical and business processes explanation →

A company runs a web application on App Engine Standard environment. The application experiences downtime during deployments due to traffic shifting. Which two strategies should they implement to improve reliability? (Choose two.)

Question 64easymulti select
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A company uses Cloud Build to automate their CI/CD pipeline. They want to optimize the build process for a Java application. Which three practices should they adopt? (Choose three.)

Question 65easymultiple choice
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A company is running a web application on Compute Engine instances that average 20% CPU utilization. They want to reduce costs without impacting performance. What is the most effective action?

Question 66mediummultiple choice
Read the full Analyze and optimize technical and business processes explanation →

A team deployed a new version of a service on Cloud Run. After deployment, users report 502 errors. The logs show "Error: Server Error" with no stack trace. What is the first step the team should take to diagnose the issue?

Question 67mediummultiple choice
Read the full Analyze and optimize technical and business processes explanation →

A company wants to implement a CI/CD pipeline for a microservices application on GKE. They require automated canary deployments with gradual traffic shifting and automatic rollback on metric failure. Which Google Cloud service is most suitable?

Question 68hardmultiple choice
Read the full Analyze and optimize technical and business processes explanation →

A financial services company uses Cloud SQL for MySQL for a critical application. They need zero downtime during maintenance and automatic failover across zones. They configured a Cloud SQL instance with high availability (HA). During a recent regional outage, the application experienced 10 minutes of downtime. What should they add to improve availability?

Question 69easymulti select
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A company is using BigQuery for data analytics. They want to optimize costs while maintaining query performance. Which TWO actions should they take? (Choose 2.)

Question 70mediummulti select
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A company is migrating a legacy monolithic application to Google Cloud. They want to adopt microservices and improve deployment frequency. Which THREE practices should they adopt? (Choose 3.)

Question 71hardmulti select
Read the full Analyze and optimize technical and business processes explanation →

A company runs a batch processing workload on Compute Engine. They need to minimize cost and ensure jobs complete within a 24-hour window. Which THREE strategies should they implement? (Choose 3.)

Question 72easymultiple choice
Read the full Analyze and optimize technical and business processes explanation →

A company runs a customer-facing web application on Google Kubernetes Engine (GKE) in us-central1. The application uses a Cloud SQL for PostgreSQL database for user data. Recently, they noticed that during peak hours, the application response times increase significantly, and some requests time out. The team has already scaled the GKE nodepool to the maximum size, but the issue persists. Database CPU utilization is at 80%, and connections are near the max limit. The application uses connection pooling via PgBouncer running as a sidecar. The team suspects the database is the bottleneck. They need to improve performance with minimal cost impact. What should they do?

Question 73mediummultiple choice
Read the full Analyze and optimize technical and business processes explanation →

A company is using Cloud Functions (2nd gen) for event-driven processing of uploaded images in Cloud Storage. Each image is resized to multiple sizes and stored back in different buckets. Recently, the number of uploads has increased 10x, and the team notices that some images are not being processed, and logs show function execution timeouts after 60 seconds. The function's timeout is set to 60 seconds. The code processes images sequentially. The team needs to reliably process all images with minimal code changes. What should they do?

Question 74mediummultiple choice
Read the full NAT/PAT explanation →

A company is using Cloud Spanner to serve a global gaming application. They have a single instance in us-central1. Players in Asia experience high latency. The application reads and writes player profiles. The team wants to reduce latency for Asian players while keeping write latency low for global consistency. They need a solution that minimizes operational overhead and uses native Spanner capabilities. What should they do?

Question 75hardmultiple choice
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A large enterprise is migrating its on-premises data warehouse to BigQuery. The current warehouse is 100 TB and uses complex ETL jobs that run on SQL Server Integration Services (SSIS). The team wants to minimize migration effort and maintain the same SQL logic for transformations. They plan to use BigQuery's standard SQL. They also need to schedule transformations and load data from multiple on-premises sources. Which approach should they take?

Question 76easymultiple choice
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A company runs a batch job every night that processes large CSV files stored in Cloud Storage. The job runs on a single Compute Engine VM and takes 4 hours to complete. The team wants to reduce execution time without increasing cost substantially. The job is CPU-intensive and can be parallelized. What should they do?

Question 77hardmultiple choice
Read the full Analyze and optimize technical and business processes explanation →

A company uses Cloud Armor to protect their HTTP Load Balancer from DDoS attacks. Recently, they experienced a targeted attack that bypassed Cloud Armor's predefined rules. The attack involved a high rate of legitimate-looking requests from a small set of IPs that made the application unresponsive. The team needs to block the attack quickly without affecting legitimate users. What should they do?

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