Google Professional Cloud Developer Professional Cloud Developer Online Training
Google Professional Cloud Developer Online Training
The questions for Professional Cloud Developer were last updated at Apr 17,2024.
- Exam Code: Professional Cloud Developer
- Exam Name: Professional Cloud Developer
- Certification Provider: Google
- Latest update: Apr 17,2024
Topic 1, HipLocal
Case Study
Company Overview
HipLocal is a community application designed to facilitate communication between people in close proximity. It is used for event planning and organizing sporting events, and for businesses to connect with their local communities. HipLocal launched recently in a few neighborhoods in Dallas and is rapidly growing into a global phenomenon. Its unique style of hyper-local community communication and business outreach is in demand around the world.
Executive statement
We are the number one local community app; it’s time to take our local community services global. Our venture capital investors want to see rapid growth and the same great experience for new local and virtual communities that come online, whether their members are 10 or 10,000 miles away from each other.
Solution concept
HipLocal wants to expand their existing service, with updated functionality, in new regions to better serve their global customers. They want to hire and train a new team to support these regions in their time zones. They will need to ensure that the application scales smoothly and provides clear uptime data.
Existing technical environment
HipLocal’s environment is a mix of on-premises hardware and infrastructure running in Google Cloud Platform. The HipLocal team understands their application well but has limited experience in global scale applications.
Their existing technical environment is as follows:
Existing APIs run on Compute Engine virtual machine instances hosted in GCP State is stored in a single instance MySQL database in GCP
Data is exported to an on-premises Teradata/Vertica data warehouse
Data analytics is performed in an on-premises Hadoop environment
The application has no logging
There are basic indicators of uptime; alerts are frequently fired when the APIs are unresponsive
Business requirements
HipLocal’s investors want to expand their footprint and support the increase in demand they are seeing. Their requirements are:
Expand availability of the application to new regions
Increase the number of concurrent users that can be supported
Ensure a consistent experience for users when they travel to different regions Obtain user activity metrics to better understand how to monetize their product Ensure compliance with regulations in the new regions (for example, GDPR) Reduce infrastructure management time and cost
Adopt the Google-recommended practices for cloud computing
Technical requirements
The application and backend must provide usage metrics and monitoring
APIs require strong authentication and authorization
Logging must be increased, and data should be stored in a cloud analytics platform
Move to serverless architecture to facilitate elastic scaling
Provide authorized access to internal apps in a secure manner
HipLocal’s.net-based auth service fails under intermittent load.
What should they do?
- A . Use App Engine for autoscaling.
- B . Use Cloud Functions for autoscaling.
- C . Use a Compute Engine cluster for the service.
- D . Use a dedicated Compute Engine virtual machine instance for the service.
HipLocal’s APIs are showing occasional failures, but they cannot find a pattern. They want to collect some metrics to help them troubleshoot.
What should they do?
- A . Take frequent snapshots of all of the VMs.
- B . Install the Stackdriver Logging agent on the VMs.
- C . Install the Stackdriver Monitoring agent on the VMs.
- D . Use Stackdriver Trace to look for performance bottlenecks.
HipLocal has connected their Hadoop infrastructure to GCP using Cloud Interconnect in order to
query data stored on persistent disks.
Which IP strategy should they use?
- A . Create manual subnets.
- B . Create an auto mode subnet.
- C . Create multiple peered VPCs.
- D . Provision a single instance for NAT.
Which service should HipLocal use to enable access to internal apps?
- A . Cloud VPN
- B . Cloud Armor
- C . Virtual Private Cloud
- D . Cloud Identity-Aware Proxy
HipLocal wants to reduce the number of on-call engineers and eliminate manual scaling.
Which two services should they choose? (Choose two.)
- A . Use Google App Engine services.
- B . Use serverless Google Cloud Functions.
- C . Use Knative to build and deploy serverless applications.
- D . Use Google Kubernetes Engine for automated deployments.
- E . Use a large Google Compute Engine cluster for deployments.
In order to meet their business requirements, how should HipLocal store their application state?
- A . Use local SSDs to store state.
- B . Put a memcache layer in front of MySQL.
- C . Move the state storage to Cloud Spanner.
- D . Replace the MySQL instance with Cloud SQL.
Which service should HipLocal use for their public APIs?
- A . Cloud Armor
- B . Cloud Functions
- C . Cloud Endpoints
- D . Shielded Virtual Machines
HipLocal wants to improve the resilience of their MySQL deployment, while also meeting their business and technical requirements.
Which configuration should they choose?
- A . Use the current single instance MySQL on Compute Engine and several read-only MySQL servers on
Compute Engine. - B . Use the current single instance MySQL on Compute Engine, and replicate the data to Cloud SQL in an
external master configuration. - C . Replace the current single instance MySQL instance with Cloud SQL, and configure high availability.
- D . Replace the current single instance MySQL instance with Cloud SQL, and Google provides redundancy without further configuration.
Which database should HipLocal use for storing user activity?
- A . BigQuery
- B . Cloud SQL
- C . Cloud Spanner
- D . Cloud Datastore
HipLocal is configuring their access controls.
Which firewall configuration should they implement?
- A . Block all traffic on port 443.
- B . Allow all traffic into the network.
- C . Allow traffic on port 443 for a specific tag.
- D . Allow all traffic on port 443 into the network.
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