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AZ-400 practice dumps questions and answers

  • Exam Code: AZ-400
  • Exam Name: Designing and Implementing Microsoft DevOps Solutions
  • Updated: 2024-02-14
  • Q&A: 375 Questions and Answers
  • PDF Price: $36.99

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Develop an Instrumentation Strategy (5-10%)
Design and implement logging
   assess and configure a log framework
   design a log aggregation and storage strategy (e.g., Azure storage)
   design a log aggregation and query strategy (e.g., Azure Monitor, Splunk)
   manage access control to logs (workspace-centric/resource-centric)
   integrate crash analytics (App Center Crashes, Crashlytics)
Design and implement telemetry
   design and implement distributed tracing
   inspect application performance indicators
   inspect infrastructure performance indicators
   define and measure key metrics (CPU, memory, disk, network)
   implement alerts on key metrics (email, SMS, webhooks, Teams/Slack)
   integrate user analytics (e.g., Application Insights funnels, Visual Studio App Center,
TestFlight, Google Analytics)
Integrate logging and monitoring solutions
   configure and integrate container monitoring (Azure Monitor, Prometheus, etc.)
   configure and integrate with monitoring tools (Azure Monitor Application Insights,
Dynatrace, New Relic, Naggios, Zabbix)
   create feedback loop from platform monitoring tools (e.g., Azure Diagnostics extension,
Log Analytics agent, Azure Platform Logs, Event Grid)
   manage Access control to the monitoring platform
Develop a Site Reliability Engineering (SRE) strategy (5-10%)
Develop an actionable alerting strategy
   identify and recommend metrics on which to base alerts
   implement alerts using appropriate metrics
   implement alerts based on appropriate log messages
   implement alerts based on application health checks
   analyze combinations of metrics
   develop communication mechanism to notify users of degraded systems
   implement alerts for self-healing activities (e.g., scaling, failovers)
Design a failure prediction strategy
   analyze behavior of system with regards to load and failure conditions
   calculate when a system will fail under various conditions
   measure baseline metrics for system
   leverage Application Insights Smart Detection and Dynamic thresholds in Azure Monitor
Design and implement a health check
   analyze system dependencies to determine which dependency should be included in
health check
   calculate healthy response timeouts based on SLO for the service
   design approach for partial health situations
   design approach for piecemeal recovery (e.g., to improve recovery time objective
strategies)
   integrate health check with compute environment
   implement different types of health checks (container liveness, startup, shutdown)
Develop a security and compliance plan (10-15%)
Design an authentication and authorization strategy
   design an access solution (Azure AD Privileged Identity Management (PIM), Azure AD
Conditional Access, MFA, Azure AD B2B, etc.)
   implement Service Principals and Managed Identity
   design an application access solution using Azure AD B2C
   configure service connections
Design a sensitive information management strategy
   evaluate and configure vault solution (Azure Key Vault, Hashicorp Vault)
   manage security certificates
   design a secrets storage and retrieval strategy (KeyVault secrets, GitHub secrets, Azure
Pipelines secrets)
   formulate a plan for deploying secret files as part of a release
Develop security and compliance
   automate dependencies scanning for security (container scanning, OWASP)
   automate dependencies scanning for compliance (licenses: MIT, GPL)
   assess and report risks
   design a source code compliance solution (e.g., GitHub Code scanning, GitHub Secret
scanning, pipeline-based scans, Git hooks, SonarQube, Dependabot, etc.)
Design governance enforcement mechanisms
   implement Azure policies to enforce organizational requirements
   implement container scanning (e.g., static scanning, malware, crypto mining)
   design and implement Azure Container Registry Tasks
   design break-the-glass strategy for responding to security incidents
Manage source control (10-15%)
Develop a modern source control strategy
   integrate/migrate disparate source control systems (e.g., GitHub, Azure Repos)
   design authentication strategies
   design approach for managing large binary files (e.g., Git LFS)
   design approach for cross repository sharing (e.g., Git sub-modules, packages)
   implement workflow hooks
   design approach for efficient code reviews (e.g., GitHub code review assignments,
schedule reminders, Pull Analytics)
Plan and implement branching strategies for the source code
   define Pull Requests (PR) guidelines to enforce work item correlation
   implement branch merging restrictions (e.g., branch policies, branch protections, manual,
etc.)
   define branch strategy (e.g., trunk based, feature branch, release branch, GitHub flow)
   design and implement a PR workflow (code reviews, approvals)
   enforce static code analysis for code-quality consistency on PR
Configure repositories
   configure permissions in the source control repository
   organize the repository with git-tags
   plan for handling oversized repositories
   plan for content recovery in all repository states
   purge data from source control
Integrate source control with tools
   integrate GitHub with DevOps pipelines
   integrate GitHub with identity management solutions (Azure AD)
   design for GitOps
   design for ChatOps
   integrate source control artifacts for human consumption (e.g., Git changelog)
   integrate GitHub Codespaces
Facilitate communication and collaboration (10-15%)
Communicate deployment and release information with business stakeholders
   create dashboards combining boards, pipelines (custom dashboards on Azure DevOps)
   design a cost management communication strategy
   integrate release pipeline with work item tracking (e.g., AZ DevOps, Jira, ServiceNow)
   integrate GitHub as repository with Azure Boards
   communicate user analytics
Generate DevOps process documentation
   design onboarding process for new employees
   assess and document external dependencies (e.g., integrations, packages)
   assess and document artifacts (version, release notes)
Automate communication with team members
   integrate monitoring tools with communication platforms (e.g., Teams, Slack,
dashboards)
   notify stakeholders about key metrics, alerts, severity using communication and project
management platforms (e.g., Email, SMS, Slack, Teams, ServiceNow, etc.)
   integrate build and release with communication platforms (e.g., build fails, release fails)
   integrate GitHub pull request approvals via mobile apps
Define and implement continuous integration (20-25%)
Design build automation
   integrate the build pipeline with external tools (e.g., Dependency and security scanning,
Code coverage)
   implement quality gates (e.g., code coverage, internationalization, peer review)
   design a testing strategy (e.g., integration, load, fuzz, API, chaos)
   integrate multiple tools (e.g., GitHub Actions, Azure Pipeline, Jenkins)
Design a package management strategy
   recommend package management tools (e.g., GitHub Packages, Azure Artifacts, Azure
Automation Runbooks Gallery, Nuget, Jfrog, Artifactory)
   design an Azure Artifacts implementation including linked feeds
   design versioning strategy for code assets (e.g., SemVer, date based)
   plan for assessing and updating and reporting package dependencies (GitHub
Automated Security Updates, NuKeeper, GreenKeeper)
   design a versioning strategy for packages (e.g., SemVer, date based)
   design a versioning strategy for deployment artifacts
Design an application infrastructure management strategy
   assess a configuration management mechanism for application infrastructure
   define and enforce desired state configuration for environments
Implement a build strategy
   design and implement build agent infrastructure (include cost, tool selection, licenses,
maintainability)
   develop and implement build trigger rules
   develop build pipelines
   design build orchestration (products that are composed of multiple builds)
   integrate configuration into build process
   develop complex build scenarios (e.g., containerized agents, hybrid, GPU)
Maintain build strategy
   monitor pipeline health (failure rate, duration, flaky tests)
   optimize build (cost, time, performance, reliability)
   analyze CI load to determine build agent configuration and capacity
Design a process for standardizing builds across organization
   manage self-hosted build agents (VM templates, containerization, etc.)
   create reuseable build subsystems (YAML templates, Task Groups, Variable Groups, etc.)
Define and implement a continuous delivery and release management
strategy (10-15%)
Develop deployment scripts and templates
   recommend a deployment solution (e.g., GitHub Actions, Azure Pipelines, Jenkins,
CircleCI, etc.)
   design and implement Infrastructure as code (ARM, Terraform, PowerShell, CLI)
   develop application deployment process (container, binary, scripts)
   develop database deployment process (migrations, data movement, ETL)
   integrate configuration management as part of the release process
   develop complex deployments (IoT, Azure IoT Edge, mobile, App Center, DR, multiregion, CDN, sovereign cloud, Azure Stack, etc.)
Implement an orchestration automation solution
   combine release targets depending on release deliverable (e.g., Infrastructure, code,
assets, etc.)
   design the release pipeline to ensure reliable order of dependency deployments
   organize shared release configurations and process (YAML templates, variable groups,
Azure App Configuration)
   design and implement release gates and approval processes
Plan the deployment environment strategy
   design a release strategy (blue/green, canary, ring)
   implement the release strategy (using deployment slots, load balancer configurations,
Azure Traffic Manager, feature toggle, etc.)
   select the appropriate desired state solution for a deployment environment (PowerShell
DSC, Chef, Puppet, etc.)
   plan for minimizing downtime during deployments (VIP Swap, Load balancer, rolling
deployments, etc.)
   design a hotfix path plan for responding to high priority code fixes

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