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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
   Explicación general: Runbooks outline procedures for on-call personnel to respond to alerts in Datadog.

==== 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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