All Coursera Quiz Answers

Preparing for your Professional Cloud Architect Journey Coursera Quiz Answers

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Preparing for your Professional Cloud Architect Journey Coursera Quiz Answers


Module 1 Assessment Answers

Question 1)
The Certification Exam is:

  • Theoretical, based only on information.
  • Practical, based on the skills required of the job.

Question 2)
This course helps you prepare using:

  • Sample questions, case studies, and top-down concepts that require knowledge of many dependent concepts.
  • Exhaustive lists of essential concepts (bottom-up), and practice quizzes to help you memorize the majority of the concepts.

Question 3)
The recommended test-taking strategy is:

  • Bookmark those questions for which you don’t know the answer or don’t feel confident in your answer, and return to them iteratively.
  • Answer each question in order and ignore the bookmarking feature.


Preparing with Case Studies Quiz Answers

Question 1)
Why are case studies important preparation?

  • Because they give you answers to questions that are on the exam.
  • Because you practice skills needed to identify solutions from circumstances — skills needed on the exam and on the job.

Question 2)
The recommended case analysis method taught in this course is:

  • 1. Identify the requirements
    2. Technical Watchpoints (items that imply parts of the solution)
    3. Propose solution

1. Read the case study
2. Propose solution
3. Verify and correct if needed

Question 3)
The case study solution provided is:

  • Authoritative. The only right solution.
  • Just an example. Your solution might be better.



Preparing for Design Quiz Answers

Question 1)
When you prepare using tables that compare different technologies…

  • Read from the table-up. So that if you see a keyword in a question, you will recognize which associated technology in the heading row is a candidate for the solution.
  • You don’t really need to know the characteristics of each technology. So it is safe to ignore tables. They have too much information anyway.

Question 2)
Why is knowledge of a layered model a recommended preparation?

  • Because it helps organize information and prevent confusion.
  • Because it tells you which part of a case or problem is most important.

Question 3)
Which Cloud Storage type is best for data accessed on average once or less during a 30 to 90 day period?

  • Archive
  • Coldline
  • Nearline
  • Standard


Preparing for Optimizing and Operating Quiz Answers

Question 1)
What service was recommended as a way to model solution resources and generate a general cost estimation?

  • Google sheets
  • Pricing calculator

Question 2)
What was the key point made about resilient failover design?

  • If the load changes, the capacity has to be revisited, or the ability of the design to handle a failover could be lost.
  • If you account for failover in you initial design you will never need to worry about it again.

Question 3)
What is the feature that bridges monitoring and incident response in the Site Reliability Engineering model?

  • Billing
  • Alerts

Question 4)
Customer Supplied Encryption Keys (CSEK) is for which purpose:

  • Keep keys on premises, and use them to encrypt your cloud services.
  • Data is encrypted before it is sent to the cloud.



Graded Practice Exam Quiz Answers

Question 1)
How to keep data in synch across regions? Which service should be used in the icon with the question mark in the diagram?

  • Cloud SQL
  • Cloud Bigtable
  • Cloud Datastore
  • Cloud Storage

Question 2)
An existing application uses websockets. To help migrate the application to cloud you should:

  • Redesign the application to use HTTP streaming.
  • Redesign the application to use distributed sessions instead of websockets.
  • Do nothing to the application. HTTP(S) load balancing natively supports websocket proxying.
  • Review websocket encryption requirements with the security team.

Question 3)
A company is building an image tagging pipeline. Which service should be used in the icon with the question mark in the diagram?

  • Cloud Datastore
  • Cloud Dataflow
  • Cloud Pub/Sub
  • Cloud Bigtable

Question 4)
How to store data to be accessed once a month and not needed after five years.

  • Multi-regional class, lifecycle policy to delete after 5 years.
  • Multi-regional class, lifecycle policy change to Coldline after 5 years.
  • Nearline class, lifecycle policy change to Coldline after 5 years.
  • Nearline class, lifecycle policy to delete after 5 years.

Question 5)
A company has a new IoT pipeline. Which services will make this design work?
Select the services that should be used to replace the icons with the number “1” and number “2” in the diagram.

  • Cloud IoT Core, Cloud Datastore
  • Cloud Pub/Sub, Cloud Storage
  • Cloud IoT Core, Cloud Pub/Sub
  • App Engine, Cloud IoT Core

Question 6)
Multi-petabyte database for analysts that only know SQL and must be available 24 x 7.

  • Cloud Storage
  • Cloud SQL
  • BigQuery
  • Cloud Datastore

Question 7)
Which service completes the CI/CD pipeline?
Which service should be used in the icon with the question mark in the diagram?

  • Cloud Pub/Sub
  • Cloud Container Builder
  • Cloud Storage
  • Cloud Dataproc

Question 8)
Simply and reliably clone a Linux VM to another project in another region.

  • Use Linux dd and netcat to stream the root disk to the new VM.
  • Snapshot the root disk and select it for the new VM.
  • Create an image from the root disk with Linux dd, create a disk from the image, and use it in the new VM.
  • Snapshot the root disk, create an image, and use the image for the new VM root disk.

Question 9)
A company has this business requirement: “”Improve security by defining and adhering to a set of security and Identity and Access Management (IAM) best practices for cloud.”
Company security has locked out SSH access to production VMs. How can operations manage the VMs?

  • Configure a VPN to allow SSH access to VMs.
  • Develop a Cloud API application for all operations actions.
  • Grant operations team access to use Cloud Shell.
  • Develop an application that grants temporary SSH access.

Question 10)
What security strategy would you recommend for PII (Personally Identifiable Information) data on Cloud Storage?

  • Signed URL with expiration.
  • Read-only access to users, and default ACL on bucket.
  • No Cloud IAM roles to users, and granular ACLs on bucket.
  • Public access, random names, and share URLs in confidence.

Question 11)
A company has decided to use Cloud SDK tools to deploy to App Engine Flexible. Which one of the following requirements does this meet?

  • Requirement 1: Support failover of the production environment to the cloud during an emergency.
  • Requirement 2: Encrypt data on the wire and at rest.
  • Requirement 3: Use managed services whenever possible.
  • Requirement 4: Identify production services that can migrate to the cloud to save capacity.

Question 12)
Which of the following business requirements can Cloud DNS help satisfy?

  • Support multiple VPN connections between the production data center and cloud environment.
  • Analyze and optimize architecture for performance in the cloud.
  • Build a reliable and reproducible environment with scaled parity of production.
  • Support failover of the production environment to cloud during an emergency.

Question 13)
A company has business requirements to keep up with industry transformation and growth by adopting leading technology and to use “incremental innovation” based on business insights. Which one of the following Google Cloud Platform features will support this requirement?

  • Google has many years of experience with containers.
  • Compute Engine provides automatic discounts with increased usage.
  • Cloud Machine Learning and BigQuery are designed for petabyte scale.
  • Compute Engine bills per minute, saving costs compared to hourly billing.

Question 14)
A game company wants to meet its scaling requirements and also provide insights to investors. Which solution will best meet these needs?

  • Import delayed MySQL game statistics to BigQuery for provisioning analysis and indicator reporting.
  • Use Stackdriver custom metrics for autoscaling and reporting.
  • Autoscale based on CPU load and use Data Studio to share metrics.
  • Autoscale based on network latency as a measure of user experience.

Question 15)
A company wants to test a risky update to an App Engine application requiring live traffic. Which of the following options is the best approach?

  • Deploy as default temporarily, then roll it back.
  • Create a separate isolated test project and onboard users.
  • Create a second App Engine project, then redirect a subset of users.
  • Deploy a new version, use traffic splitting to test a percentage.

Question 16)
How to automatically and simultaneously deploy new code to each cluster?

  • Use an automation tool, such as Jenkins.
  • Change the clusters to activate federated mode.
  • Use Parallel SSH with Google Cloud Shell and kubectl.
  • Use Container Builder to publish the new images.

Question 17)
A microservice has intermittent problems that bursts logs. How can you trap it for live debugging?

  • Log into machine with microservice and wait for the log messages.
  • Look for error in Stackdriver Error Reporting dashboard.
  • Configure microservice to send traces to Stackdriver Trace.
  • Set a log metric in Stackdriver logging, alert on it past a threshold.

Question 18)
A company wants penetration security testing that primarily matches an end user perspective.

  • Notify Google you are going to run a penetration test.
  • Deploy scanners in the cloud and test from there.
  • Use on prem scanners over VPN.
  • Use on prem scanners over public Internet.

Question 19)
A sales company runs weekly resiliency tests of the current build in a separate environment by replaying the last holiday sales load. What can improve resiliency?

  • Apply twice the load to the test.
  • Run the resiliency tests daily instead of weekly.
  • Use preemptible instances.
  • Develop a script that mimics a zone outage and add it to the test.

Question 20)
Release failures keep causing rollbacks in a web application. Fixes to QA process reduced rollbacks by 80%. What additional steps can you take?

  • Replace the platform’s relational database systems with a NoSQL database.
  • Fragment the monolithic platform into microservices.
  • Remove the QA environment. Start executing canary releases.
  • Remove the platform’s dependency on relational database systems.

Question 21)
A car reservation system has long-running transactions. Which one of the following deployment methods should be avoided?

  • Execute canary releases.
  • Perform A/B testing prior to release.
  • Introduce a blue-green deployment model.
  • Introduce a pipeline deployment model.

Question 22)
Last week a region had a 1% failure rate in web tier VMs? How should you respond?

  • Monitor the application for a 5% failure rate.
  • Duplicate the application on prem to compensate for failures in the cloud.
  • Perform a root cause analysis, reviewing cloud provider and deployment details to prevent similar future failures.
  • Halt all development until the application issue can be found and fixed.

Question 23)
Why is it a recommended best practice not to assign blame to an individual or an organization?

  • It might humiliate them. It would be wrong.
  • Because you might be wrong and you might assign blame to the wrong party.
  • Because it prematurely ends analysis, so you don’t discover root cause in the technology or procedures.
  • Because it can be really hard to find out who is at fault.

Question 24)
A healthcare company wants to compliantly use Cloud Storage to store customer medical (HIPAA) data.

  • Cloud Storage is already HIPAA compliant by default.
  • HIPAA compliance is not currently supported for Cloud Storage.
  • Execute a Business Associate Agreement (BAA), but you must still use the service in a HIPAA compliant way.
  • Execute a Business Associate Agreement (BAA).

Question 25)
Which network feature could help a company meet its global service expansion goals by reducing latency?

  • HTTP/TCP load balancing
  • Network TCP/UDP
  • Cloud Router
  • Cloud Content Delivery Network (CDN)



Course Summary Quiz – Prep for the Exam Answers

Question 1)
Select all that apply about this course.

  • Case studies in this course are intended to develop the skill of defining the solution while analyzing the circumstance. This is a key test-taking and job skill.
  • Practice Exam Questions help develop the skill of being aware of how certain you are of an answer. This is not only a test-taking skill and a job skill, but also helps you understand where you may want to study more to prepare.
  • This course provided an exhaustive list of basic principles and concepts and tested you repeatedly on your ability to remember them.
  • This course introduced “touchstone” concepts that are based on many fundamental concepts. If you don’t feel confident about a “touchstone” concept, it is an indicator that you might want to study the underlying concepts and technologies.

Question 2)
The purpose of this course is:

  • The purpose of this course is to help you pass the exam by giving you the answers to questions for technology you don’t know or haven’t learned.
  • The purpose of this course is to develop confidence in those who are well-prepared, and to help identify subjects you may want to study to better prepare.