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==== Pregunta 1 ====
What method of checking is initiated by the monitoring system to collect data?
  *  Metric
  *  Passive check
  *  Alert
  *  Active check

==== 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

==== 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

==== Pregunta 6 ====
What does security monitoring check for?
   * Infrastructure problems
  *  Vulnerabilities and threats
  *  Application issues
  *  Business metrics

==== Pregunta 7 ====
What are some examples of metrics that monitoring tools collect?
   * Disk space, memory, SSL expiration
  *  Severity levels
  *  Events
  *  Up/down status

==== Pregunta 8 ====
What kind of monitoring tool is Nagios?
   * Popular first generation, open source
  *  Specialized application performance
  *  Specialized log aggregation
  *  General purpose SaaS

==== 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

==== Pregunta 32 ====
What does Infrastructure monitoring focus on?
   * Business KPIs
  *  Application code and services
  *  Security threats
  *  Health of infrastructure components

==== Pregunta 33 ====
What would you do during a downtime window?
   * Resolve the underlying issue
  *  Disable alerting temporarily
  *  Create a runbook
  *  Enable additional alerting

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