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--- devops:monitoring:datadog:monitoring_basics_questions [2025/02/14 10:37] – 85.219.17.206
+++ devops:monitoring:datadog:monitoring_basics_questions [2025/02/14 13:51] (current) – 85.219.17.206
@@ Line 1: / Line 1: @@
-Pregunta 1:
+==== Pregunta 1 ====
 What method of checking is initiated by the monitoring system to collect data?
+  *  Metric
+  *  Passive check
+  *  Alert
+  * **Active check**
-Metric
+==== Pregunta 2 ====
+What are two benefits of proactive monitoring?
+  * Set thresholds for metrics
+  * **Avoid outages, optimize systems**
+  * Integrations provide metrics
+  * Easy to write custom plugins
+==== Pregunta 3 ====
+Splunk specializes in what type of monitoring?
+  * **Specialized log aggregation**
+  * Infrastructure monitoring
+  * General purpose SaaS
+  * Business monitoring
-Passive check
+==== Pregunta 4 ====
+How can custom metrics be viewed in Datadog after publishing?
+  * Trace Explorer
+  * Log Explorer
+  * Cassandra Explorer
+  * **Metrics Explorer**
+==== Pregunta 5 ====
+What does Business monitoring provide early feedback on?
+  * **Progress towards business goals**
+  * Application functionality
+  * Infrastructure health
+  * Security threats
-Alert
+==== Pregunta 6 ====
+What does security monitoring check for?
+   * Infrastructure problems
+  * **Vulnerabilities and threats**
+  * Application issues
+  * Business metrics
-Active check
+==== Pregunta 7 ====
+What are some examples of metrics that monitoring tools collect?
+   * **Disk space, memory, SSL expiration**
+  * Severity levels
+  * Events
+  * Up/down status
-Pregunta 2:
+==== Pregunta 8 ====
+What kind of monitoring tool is Nagios?
+   * **Popular first generation, open source**
+  * Specialized application performance
+  * Specialized log aggregation
+  * General purpose SaaS
-What are two benefits of proactive monitoring?
+==== Pregunta 9 ====
+What does Catchpoint monitor?
+   * Business KPIs
+  * Infrastructure
+  * App code
+  * **External application accessibility**
+==== Pregunta 10 ====
+What is the difference between an alert and a notification?
+  * Notification contains more details
+  * No difference
+  * Alert is manual, notification automated
+  * **Notification is part of alert, alert triggers actions**
+==== Pregunta 11 ====
+What command checks if the SNMP daemon is running on Ubuntu?
+  * sudo snmpd status
+  * sudo /etc/init.d/snmpd status
+  * sudo service snmpd status
+  * **sudo systemctl status snmpd**
+==== Pregunta 12 ====
+What process is used to collect metric values periodically for time-series data?
+  * Integration
+  * Monitor
+  * Threshold
+  * **Check**
+==== Pregunta 13 ====
+What command tests SNMP connectivity on localhost?
+  * datadog-agent jmx list localhost
+  * **snmpwalk -v2c -cpublic localhost**
+  * jmxtool localhost
+  * snmpget -v2c -cpublic localhost
+==== Pregunta 14 ====
+Which support level would product support be?
+  * **L1**
+  * None
+  * L3
+  * L2
+==== Pregunta 15 ====
+What does Application monitoring help to check?
+   * Monitoring infrastructure
+  * Business goals are met
+  * **Application is functioning correctly**
+  * Health of infrastructure
+==== Pregunta 16 ====
+What are the three levels of on-call support?
+   * Warning, critical, informational
+  * Active, passive, hybrid
+  * External, internal, security
+  * **L1 product support, L2 SREs, L3 engineers**
+==== Pregunta 17 ====
+What provides steps for on-call staff to respond to alerts?
+   * Severity Level
+  * Downtime
+  * **Runbook**
+  * Threshold
+==== Pregunta 18 ====
+What type of monitoring focuses on servers, storage, load balancers, etc?
+   * **Infrastructure monitoring**
+  * Application monitoring
+  * Business monitoring
+  * Platform monitoring
+==== Pregunta 19 ====
+What is the main SNMP configuration file edited on Ubuntu?
+   * /etc/jmxtool.conf
+  * **/etc/snmp/snmp.conf**
+  * /etc/datadog.conf
+  * /etc/snmpd.conf
+==== Pregunta 20 ====
+What command-line tool is commonly used to scan SNMP-enabled devices?
+   * **snmpwalk**
+  * curl
+  * jmxtool
+  * snmpget
+==== Pregunta 21 ====
+What does Catchpoint/Apica provide?
+   * Log aggregation
+  * Infrastructure monitoring
+  * APM
+  * **"Last mile" monitoring from locations**
+==== Pregunta 22 ====
+What port does DogStatsD listen on by default?
+   * **8125**
+  * 8080
+  * 7199
+  * 2003
+==== Pregunta 23 ====
+In what way is a notification from an alert?
+   * The warning when a threshold is crossed
+  * A time window when alerting is disabled
+  * Published details about system changes
+  * **It's a message sent as part of an alert**
+==== Pregunta 24 ====
+What technology allows Java applications to expose metrics?
+  * HTTP
+  * **JMX**
+  * SNMP
+  * StatsD
+==== Pregunta 25 ====
+What file stores metrics collected by the SNMP agent?
+   * conf.yaml
+  * **Management Information Base (MIB)**
+  * metrics.csv
+  * snmp.log
+==== Pregunta 26 ====
+Which monitoring topology has the infrastructure in data centers but the monitoring backend in the cloud?
+   * Multiple Data Centers
+  * **Data Center with Cloud Monitoring**
+  * Single Data Center
+  * All in Cloud with In-House Monitoring
+==== Pregunta 27 ====
+What aspect of monitoring focuses on checking software system health to determine availability and detect deterioration early?
+  * Overview of monitoring tools
+  * Primary focus
+  * Key aspects
+  * **Types of monitoring**
+==== Pregunta 28 ====
+What technology allows publishing custom metrics to Datadog?
+  * JMX
+  * **DogStatsD**
+  * Apache Cassandra
+  * SNMP
+==== Pregunta 29 ====
+What does the "TICK" stack include?
+   * **Telegraf, InfluxDB, Chronograf, Kapacitor**
+  * Datadog, AppDynamics, Catchpoint, Apica
+  * Tick, Tock, Click, Clack
+  * Nagios, Zabbix, Splunk, Elasticsearch
+==== Pregunta 30 ====
+What protocol is used to monitor network devices like routers and switches?
+  * SMTP
+  * **SNMP**
+  * HTTP
+  * JMX
+==== Pregunta 31 ====
+An up/down status refers to what kind of measurement?
+   * Time-bound measurement providing insight
+  * Details about changes to a system
+  * **Binary status like process/website up/down**
+  * Warnings when metrics breach thresholds
-Set thresholds for metrics
-Avoid outages, optimize systems
+==== Pregunta 32 ====
+What does Infrastructure monitoring focus on?
+   * Business KPIs
+  * Application code and services
+  * Security threats
+  * **Health of infrastructure components**
-Integrations provide metrics
+==== Pregunta 33 ====
+What would you do during a downtime window?
+   * Resolve the underlying issue
+  * Disable alerting temporarily
+  * Create a runbook
+  * **Enable additional alerting**
-Easy to write custom plugins