FREE Introduction to Google Cloud Certified - Professional Cloud Architect Questions and Answers

Question 1

Your company wants to introduce a number of microservices to help its system handle varying demands.
A distinct version of software libraries is used by each microservice.
You want to make it possible for their developers to maintain compatibility between their development environment and the numerous production services.
What kind of technology should you pick?

Accepted Answer

Containers

Answer

Virtual machines

Answer

RPM/DEB

Answer

Chef/Puppet

Question 2

Your business needs to monitor who is present in a space that has been designated for a scheduled meeting. 1000 conference rooms are distributed among 5 offices on 3 continents. A motion sensor is installed in each room, and it updates the system every second. Supporting this sensor network's data upload and collection requirements is important. The receiving infrastructure must take into account the likelihood that the devices' connectivity may be erratic. Which approach ought you to take?

Accepted Answer

Have devices check for Cloud Pub/Sub connectivity, and then periodically broadcast the newest messages to a topic that is accessible to all devices.

Answer

Establish a persistent connection between the devices and the App Engine application, which is fronted by Cloud Endpoints and receives messages and writes them to Cloud Datastore.

Answer

Create persistent connections between each device and a Compute Engine instance, and instruct them to send messages to a certain application.

Answer

Have devices check for Cloud SQL connectivity and periodically put the most recent messages into a table specific to the device.

Question 3

Your business wants to test out the cloud safely. They wish to test the analytics features offered by the cloud and archive about 100 TB of their log data there, as well as keeping that data as a long-term backup for disaster recovery. Which two actions ought they to take?

Accepted Answer

Load logs into BigQuery

Answer

Import logs into Stackdriver

Answer

Insert logs into Cloud Bigtable

Answer

Load logs into Cloud SQL

Question 4

For a forthcoming launch, you set up an autoscaling instance group to handle web traffic. Virtual machine (VM) instances are being terminated and re-launched every minute once the instance group is configured as a backend service to an HTTP(S) load balancer. The instances lack a publicly accessible IP address. Using the curl command, you have confirmed that each instance is sending the correct web response. Making sure the backend is correctly configured is important. What ought you to do?

Accepted Answer

Ensure that a firewall rule exists to allow load balancer health checks to reach the instances in the instance group.

Answer

Ensure that a firewall rule exists to allow source traffic on HTTP/HTTPS to reach the load balancer.

Answer

Each instance should have a tag with the load balancer's name on it. Create a firewall rule with the instance tag as the destination and the load balancer's name as the source.

Answer

Assign a public IP to each instance, and configure a firewall rule to allow the load balancer to reach the instance public IP.

Question 5

On Google Cloud Platform, your company has a 3-tier web application installed on the same network. The web, API, and database tiers can scale separately from one another. The web should be the conduit for network traffic that travels to the API tier and ultimately to the database tier. The database and web tiers shouldn't be in communication with one another. How should the network be configured?

Accepted Answer

Add tags to each tier and set up firewall rules to allow the desired traffic flow

Answer

Set up software-based firewalls on individual VMs

Answer

Add each tier to a different subnetwork.

Answer

Add tags to each tier and set up routes to allow the desired traffic flow

Question 6

Five TB of confidential data are on the premises of your company. To store the data on the cloud, you must migrate the data. Increasing data transfer speed is a priority. In what manner should the data be moved?

Accepted Answer

Use gsutil

Answer

Use gcloud

Answer

Use Storage Transfer Service

Answer

Use GCS REST API

Question 7

You are creating a conversation app for mobile devices. By demonstrating that a message was delivered by a certain user, you may prevent chat messages from being spoofed. What ought you to do?

Accepted Answer

Use public key infrastructure (PKI) to encrypt the message client-side using the originating user’s private key.

Answer

Encrypt the message client-side using block-based encryption with a shared key.

Answer

Tag messages client-side with the originating user identifier and the destination user.

Answer

Use a trusted certificate authority to enable SSL connectivity between the client application and the server.