Question 1

In the web hosting platform of your company, you must reduce the number of unplanned rollbacks of faulty operations. An 80% decrease was achieved by improvements in QA and test procedures. What other two steps can you take to decrease the rollback?

Options :

A : Replace the platform’s relational database systems with a NoSQL database

B : Remove the QA environment and start executing canary releases

C : Introduce a blue-green deployment model

D : Remove the platform’s dependency on relational database systems

E : Fragment the monolithic platform into microservices

Answer: C,E

Question 2

In your customer support tool, all email and chat conversations are logged to Bigtable for storage and analysis purposes. However, to ensure data privacy and compliance, it is essential to sanitize this data by removing any Personally Identifiable Information (PII) or payment card information before it is initially stored. What approach would you recommend for accomplishing this task?

Options :

A : De-identify the data with the Cloud Data Loss Prevention API.

B : Hash all data using SHA256.

C : Use regular expressions to find and redact phone numbers, email addresses, and credit card numbers.

D : Encrypt all data using elliptic curve cryptography.

Answer: A

Question 3

How would you design a solution for running a large-scale, multi-region, and secure IoT platform on Google Cloud, considering the requirement for real-time data processing, low latency, and the ability to handle millions of connected devices and terabytes of data?

Options :

A : Use Cloud IoT Core for device management, with Cloud Functions for serverless computing and Cloud Storage for data storage.

B : Use Cloud IoT Core for device management, with Firebase for real-time data streaming and Cloud Bigtable for database management.

C : Use Cloud IoT Edge for device management, with Cloud Dataflow for real-time data processing and Cloud Bigtable for database management.

D : Use Cloud Compute for device management, with Cloud Pub/Sub for real-time data streaming and Cloud BigQuery for data warehousing.

Answer: C

Question 4

You can use the internal IP address, but not the external IP adddress, to SSH an instance from another instance in the same VPC. What is one possible reason?

Options :

A : The receiving instance has an ephemeral address instead of a reserved address

B : The external IP address is disabled

C : The outgoing instance does not have the correct permission granted to its service account

D : The firewall rule to allow SSH is restricted to the internal VPC

Answer: D

Question 5

An application running on Compute Engine fails for particular requests because of a single instance. What should you do next?

Options :

A : Create a new machine containing a snapshot of the disk.

B : Check and enable the serial port output.

C : Create an entirely new machine.

D : Reboot the machine.

Answer: A