Pegasystems PEGAPCSA80V1_2019 Exam Prep Course (Premium File)
AI-Powered Pega Certified System Architect (PCSA) 87V1 Exam - Pass on Your First Try

Question 34:
Correct answers: Adaptive Card (D) and Dialog (E).
Explanation:

• Adaptive Card: Lets you render rich content, including multiple options each with an image. You can include images for every option and actions (like Submit) to capture the user’s choice.
• Dialog: Provides the flow control to show the card, wait for the user to pick an option, and then branch to the appropriate next steps. It manages multi-turn interactions and state.

• an entity: Used for extracting data from user input, not for presenting options with images.
• an Azure function: Backend code, not for UI presentation.
• an utterance: A user input phrase, not for building the option list.

Question 76:

• Correct answer: Spatial Analysis in Azure AI Vision

• Why this is correct:

• Why not the others:

• Quick implementation note:

Question 72:
Question 72 asks which Python package to add to App1 to use an Azure AI service model (Model1) that identifies text intent.

• Correct answer: azure-ai-language-conversations (Option B)

• The task uses the Language Service’s Conversation Analysis feature to identify intent from text. The appropriate Python SDK to call a deployed Conversation model is the azure-ai-language-conversations package.
• Other options are for different capabilities:

• Install: pip install azure-ai-language-conversations
• Use the ConversationAnalysisClient to call your deployed model (

Question 61:

• Correct answer: Azure Cognitive Services.

• Why: A single multi-service Azure Cognitive Services resource provides one endpoint and one credential that can be used to access multiple APIs (e.g., Decision and Language, plus others like Content Moderator). This meets the requirement of using a single endpoint/credential.

• Why not the others: If you created separate resources for each API (e.g., separate Language, Speech, Content Moderator resources), you’d have multiple endpoints and keys, violating the “single endpoint and credential” requirement. All listed services are part of Cognitive Services, so they share a single Cognitive Services resource.

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Question 28:
Answer: C — Computer Vision image analysis
Explanation:

• To generate image tags in multiple languages with minimal development, use the Image Analysis endpoint of the Computer Vision service.
• Call the API (Analyze Image) with visualFeatures=Tags and specify the language parameter (e.g., language=en, language=fr, language=es). The response returns tags with names localized to the requested language.
• This approach requires no custom model training, unlike Custom Vision image classification, which would require building and tagging a dataset.
• Other options:

Question 61:

• Correct answer: A. Run the Bot Framework Emulator.

• Why: The Bot Framework Emulator lets you test and validate a locally running bot before connecting to any channels. It lets you simulate conversations, inspect requests/responses, view state, and debug dialog flows in real time.

• Why the other options are not correct for pre-connection validation:

• Quick steps (before connecting to channels):

Question 10:
Correct answer: B. A new query key was generated.
Explanation:

• The REST call uses POST to .../regenerateKey with body {"keyName": "Key2"}. This regenerates only the specified key (Key2) for the given Cognitive Services account.
• The value of Key2 changes to a new secret; Key1 remains unchanged. It does not rotate both keys, nor does it involve Azure Key Vault.
• After regenerating, update your client applications to use the new Key2 value to continue authenticating.

Question 57:
In question 57, after a new feature release users experience latency at login. The first action should be to rollback the recent release to the previous stable version.
Why:

• Rolling back quickly restores service and user experience, minimizing impact (blast radius) while you investigate the root cause.
• It buys time to diagnose whether the regression was introduced by the new release.

• Review Stackdriver monitoring is important for diagnosis, but it doesn’t immediately restore service to normal. Do it after rollback or in parallel to triage.
• Upsize the VMs may help temporarily but does not address the underlying issue and isn’t a guaranteed fix.
• Deploy a new release could reintroduce the problem or delay stabilization.

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