1z0-1111-25 Questions and Answers

Creating an alarm query in OCI Monitoring involves MQL:

Invalid: You must specify a resource group (D): Resource groups (e.g., groupBy(resourceId)) are optional for aggregating metrics across streams; alarms can function without them.

Why A, B, and C are valid:

A: A statistic (e.g., max, avg) is required to process metric data.

B: An interval (e.g., [1m]) defines the time window, mandatory for evaluation.

C: A metric (e.g., CpuUtilization) is the core of the query.

Resource groups enhance, but aren’t required for, alarms.

OCI Dashboards consolidate the three pillars of observability:

Logs, Metrics, and Traces (A):

Logs: Event records from Logging Service.

Metrics: Numeric data from Monitoring Service.

Traces: Request flows from APM.These can be visualized together in OCI Dashboards for unified observability.

Why not B, C, or D?

B: Resource categories, not pillars.

C: Tools or components, not pillars.

D: OCI services, not the core concepts.

This integration enhances system visibility.

SQL Warehouse in Operations Insights categorizes SQL performance:

Degraded (A): SQL statements with declining performance over time (e.g., increased latency), indicating potential issues.

Plan changes (C): SQL statements with altered execution plans, impacting performance or resource use.

Why not B or D?

Climbing (B): Not a standard category; possibly a misnomer.

Efficient (D): Positive performance isn’t a focus category.

These help identify and resolve SQL issues.

Operations Insights provides:

Capacity Planning (A): Forecasts resource needs based on historical trends and scenarios.

Exadata Insights (D): Analyzes Exadata system performance and capacity.

Why not B or C?

Database Fleet Monitoring (B): A goal, not a named capability; covered under broader features.

Entity Topology Viewing (C): More aligned with Stack Monitoring, not Operations Insights.

These capabilities optimize resource management.

In OCI Logging Service, Log Categories classify logs based on their origin or purpose.

Custom Logs (D): This is a valid Log Category for logs generated by user applications or services not natively integrated with OCI. Custom Logs are collected using agents, SDKs, or APIs and are user-defined.

Why not A, B, or C?

VCN Logs (A): Virtual Cloud Network (VCN) flow logs exist, but “VCN Logs” isn’t a formal Log Category; it’s a type of service log.

OCI Agent Logs (B): Agent logs are internal to Management Agents, not a user-facing Log Category.

System Logs (C): While system logs exist in some contexts, OCI Logging uses specific categories like “Audit Logs” or “Service Logs,” not a generic “System Logs.”

“Custom Logs” is explicitly supported for user-generated log data.

The Management Agent Cloud Service collects and transports data from resources to OCI services. Let’s evaluate:

Invalid statement: Can only transport data into AWS or GCS (A): This is false. Management Agents transport data to OCI services (e.g., Logging Analytics, Monitoring) or custom OCI endpoints, not AWS or Google Cloud Storage (GCS).

Why B, C, and D are valid:

Self-monitored (B): Agents monitor their own health and report to OCI.

Transports to OCI services (C): Supports Logging Analytics, Monitoring, and custom OCI endpoints.

On-demand operations (D): Allows tasks like metric collection or log uploads on demand.

Management Agents are OCI-centric, not limited to external clouds.

The APM Java Agent collects telemetry from Java applications:

Jaeger or Zipkin (C): These are open-source distributed tracing systems. The Java Agent can integrate with Jaeger- or Zipkin-compatible applications, collecting spans and metrics for APM analysis.

Why not A, B, or D?

NginX (A): A web server; APM uses other agents (e.g., Browser Agent) for such systems.

WebLogic, etc. (B): Application servers, but not direct data sources; the agent collects from the app, not the server type.

VMware ESXi (D): A hypervisor, unrelated to Java tracing.

Jaeger and Zipkin compatibility extends APM’s reach.

In OCI APM’s Synthetic Monitoring, Vantage Points are locations from which synthetic tests (e.g., HTTP requests) are run. Dedicated Vantage Points are private, user-managed instances, distinct from public ones hosted by Oracle:

Applications on-premise or on secured network cannot be tested from a public Vantage Point (B): Public Vantage Points, located in Oracle-managed regions, lack access to private networks (e.g., on-premise servers or firewalled applications). Dedicated Vantage Points, deployed within a user’s network, overcome this limitation.

Test internal customer applications (C): Dedicated Vantage Points enable testing of internal applications (e.g., intranet sites) not exposed to the public internet, ensuring performance monitoring from within the secured environment.

Why not A or D?

Test from public Vantage Point (A): Contradicts B; public Vantage Points can’t access private networks.

Test Deployment Manager and Scheduler (D): These are unrelated OCI components, not Synthetic Monitoring targets.

Dedicated Vantage Points extend monitoring to restricted environments.

The auto-upgrade feature for Management Agents ensures they stay current:

Users cannot disable "auto-upgrade" (B): Auto-upgrade is mandatory and enabled by default, automatically updating agents to the latest version for security and functionality. Users lack an opt-out mechanism.

Why not A, C, or D?

A: Incorrect; it’s not configurable at the tenancy level.

C: True that it’s enabled by default, but B is more precise about the lack of disable option.

D: False; auto-upgrade exists.

This ensures consistent agent reliability.

In OCI Stack Monitoring, once Management Agents are deployed and resources (e.g., databases, applications) are discovered, the immediate next step is the collection of metric data.

Metric data is immediately collected (A): Management Agents are lightweight processes that continuously collect performance and health metrics from discovered resources (e.g., CPU usage, memory utilization) and send them to OCI services like Monitoring or Stack Monitoring. This data becomes available for visualization and analysis right after discovery.

Why not B, C, or D?

Alarm rules (B): Alarms are configured separately in the OCI Monitoring service and only trigger after metric data is collected and thresholds are breached—not an immediate post-discovery action.

Resource discovery (C): Discovery happensbeforethis stage, as the question assumes resources are already discovered. Agents don’t rediscover resources post-setup.

Notifications (D): Notifications require separate configuration (e.g., via the Notifications service) and are not an automatic outcome of agent setup and discovery.

This aligns with Stack Monitoring’s purpose of providing real-time visibility into resource performance.

In OCI Logging, logs are wrapped in a Unified Envelope:

Unified Envelope (D): Contains metadata like logGroupId (the OCID of the Log Group), timeCreated, and compartmentId. This identifies the Log Group for each log entry.

Why not A, B, or C?

Source Section (A): Indicates log origin, not the group OCID.

Data section (B): Holds the log content, not metadata like OCID.

Oracle section (C): Not a valid log section.

The Unified Envelope standardizes log metadata.

The Management Agent solution comprises:

Management Gateway (B): A secure proxy that encrypts and forwards data from Management Agents to OCI services.

Management Agent (D): A lightweight process that collects and sends telemetry data from resources.

Why not A or C?

OCI Logging Analytics (A): A consumer of agent data, not a component of the solution.

Cloud assets (C): A vague term, not a specific component.

These components enable secure data collection.

In OCI Logging Analytics, collecting logs for an Entity (a logical representation of a resource like a host or database) requires linking it to a Log Source.

Create an Association of required Log Source with that Entity (B): This is the correct step. An association connects an Entity (e.g., a server) to a Log Source (e.g., Syslog), specifying where and how logs are collected. Once associated, Logging Analytics begins ingestion and parsing.

Why not A, C, or D?

Configure a path (A): The path is part of the Log Source definition, not the act of starting collection.

Identify Fields (C): Field extraction is a post-collection step, not the initiation process.

Enable a Parser (D): Parsers are embedded in Log Sources; enabling them is implicit in the association, not a separate step.

This association is the foundational action to enable log collection.