Salesforce Salesforce Certifications HEROKU-ARCHITECTURE-DESIGNER Questions & Answers

• Question 31:

  Which of the following is NOT an advantage of data replication over data proxies?

  A. A replicated data set reduces data access latency.

  B. Areplicated data set supports bidirectional writes.

  C. A replicated data set offloads processing and requests from an origin data server.

  D. A replicated data set is always and immediately in sync with the origin data

  Correct Answer: D

• Question 32:

  Aclient has a data Ina SAP data store. The client uses Heroku External Objects to expose Heroku Postgres tables in their Salesforce org. They want to perform custom transformations on the SAP data and then expose the transformed data in their Salesforce org.

  Which solution should an Architect recommend?

  A. Use Salesforce Connect to perform any necessary transformations on Vie SAP data and sync the transformed data to the Salesforce org.

  B. Use Heroku Connect to sync the SAP data to Heroku Postgres and then perform any necessary transformations Ensure the transformes data is in a table that is exposed in the Salesforce org.

  C. Use an ETL tool to sync the SAP data to Heroku and then perform any necessary transformations. Ensure the transformes data is in a table that is exposed in the Salesforce org.

  D. Perform in-place transformations on the data in SAP and then use Heroku Connect to sync the SAP data to Heroku Postgres. Ensure the transformed data is in a table that is exposed in the Salesforce org.

  Correct Answer: C

  https//www.heroKu.com/tech-sessions/get-started-wlth-apache-kafka

• Question 33:

  Universal Containers has 3 Heroku apps in its microservices and requires that logs for all of the apps be stored in the same location for analysis and alerting purposes. How would they achieve this?

  A. Send logs from each app to their own Heroku redis Store, and then combine all logs in a fourth master store.

  B. Set up the 3 apps as producers for Apache Kafka on Heroku and save their logs to Kafka

  C. Set up a file on the filesystem and share it with all the apps

  D. Install a logging add-on for one app and attach it to the other two apps

  Correct Answer: B

  https://devcenter.herokuxom/articles/heroku-connect-faq#can-i-use-sharing-rules-to-restrict-record-visibility

• Question 34:

  Canvas apps can authenticate a user with:

  A. OAuth

  B. Signed request

  C. Usemane and password

  D. Either OAuth or signed request

  Correct Answer: D

• Question 35:

  The primary benefit of a workflow outbound message over an Apex trigger is:

  A. The message supports different authentication mechanisms

  B. The message can deliver the payload only as SOAP

  C. Messages are completely declarative.

  D. The message can handle every database event.

  Correct Answer: C

• Question 36:

  A client has a Heroku Postgres database add-on attached to a production application. The client now wants to access the database from another application that they use to perform administrative tasks. What should an Architect recommend in this scenario?

  A. Copy the database's connection URL and add it to the administrative application as a config var.

  B. Attach the database toan application that acts as a database proxy

  C. Create a fork of the database and attach it to the administrative application.

  D. Attach the same Heroku Postgres add-on to the administrative application

  Correct Answer: D

  https://devcenter.heroku.eom/articles/using-sso-services-with-heroku#prerequisiles-for-sso-with-tieroku

• Question 37:

  How are languages, buildpacks, and slugs related?

  A. A slug and a buildpack are sandwiched together between several Heroku add-ons, and the result Is a new open-source language.

  B. A slug is a shortened version of a language that compiles down into a buildpack

  C. A buildpack knows how to compile code in a specific language down to a slug that runs on Heroku

  D. A language uses a slug to deploy buildpacks as a service across the entire Salesforce Platform.

  Correct Answer: C

• Question 38:

  You can build Canvas apps and run them on Heroku with of the following languages:

  A. Node, js / JavaScript

  B. All of these

  C. Python

  D. Java, Scala, Clojure

  E. PHP

  Correct Answer: B

• Question 39:

  An existing app is experiencing performance degradation because of multiple executions of multiple, expensive SQL read queries. This SQL code cannot be optimized any further and the frequency of the execution of the queries cannot be reduced.

  Which two options should an Architect recommend in this scenario?

  A. Hardcode the results of the query into app logic

  B. Add a read-only HerokuPostgres follower

  C. Create a database caching layer

  D. Restart the Heroku Postgres server to reclaim cache

  Correct Answer: BC

  https://devcenter.heroku.com/articles/using-sso-services-with-heroku#end-user-account-creation-and-removal

• Question 40:

  Which of the following is a good use case for the Heroku Platform?

  A. Proof-of-concept or lab approaches

  B. Empowering mobile apps with an API service

  C. Data manipulation

  D. Customer engagement applications

  E. All of these

  Correct Answer: D