Bargawiki

What method of checking is initiated by the monitoring system to collect data?

• Metric
• Passive check
• Alert
• Active check

What are two benefits of proactive monitoring?

• Set thresholds for metrics
• Avoid outages, optimize systems
• Integrations provide metrics
• Easy to write custom plugins

Splunk specializes in what type of monitoring?

• Specialized log aggregation
• Infrastructure monitoring
• General purpose SaaS
• Business monitoring

How can custom metrics be viewed in Datadog after publishing?

• Trace Explorer
• Log Explorer
• Cassandra Explorer
• Metrics Explorer

What does Business monitoring provide early feedback on?

• Progress towards business goals
• Application functionality
• Infrastructure health
• Security threats

What does security monitoring check for?

• Infrastructure problems
• Vulnerabilities and threats
• Application issues
• Business metrics

What are some examples of metrics that monitoring tools collect?

• Disk space, memory, SSL expiration
• Severity levels
• Events
• Up/down status

What kind of monitoring tool is Nagios?

• Popular first generation, open source
• Specialized application performance
• Specialized log aggregation
• General purpose SaaS

What does Catchpoint monitor?

• Business KPIs
• Infrastructure
• App code
• External application accessibility

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

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

What process is used to collect metric values periodically for time-series data? Integration Monitor Threshold Check

What command tests SNMP connectivity on localhost? datadog-agent jmx list localhost snmpwalk -v2c -cpublic localhost jmxtool localhost snmpget -v2c -cpublic localhost

Which support level would product support be? L1 None L3 L2

What does Application monitoring help to check? Monitoring infrastructure Business goals are met Application is functioning correctly Health of infrastructure

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

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.

What type of monitoring focuses on servers, storage, load balancers, etc? Infrastructure monitoring Application monitoring Business monitoring Platform monitoring

What is the main SNMP configuration file edited on Ubuntu? /etc/jmxtool.conf /etc/snmp/snmp.conf /etc/datadog.conf /etc/snmpd.conf

What command-line tool is commonly used to scan SNMP-enabled devices? snmpwalk curl jmxtool snmpget

What does Catchpoint/Apica provide? Log aggregation Infrastructure monitoring APM “Last mile” monitoring from locations

What port does DogStatsD listen on by default? 8125 8080 7199 2003

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

What technology allows Java applications to expose metrics? HTTP JMX SNMP StatsD

What file stores metrics collected by the SNMP agent? conf.yaml Management Information Base (MIB) metrics.csv snmp.log

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

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

What technology allows publishing custom metrics to Datadog? JMX DogStatsD Apache Cassandra SNMP

What does the “TICK” stack include? Telegraf, InfluxDB, Chronograf, Kapacitor Datadog, AppDynamics, Catchpoint, Apica Tick, Tock, Click, Clack Nagios, Zabbix, Splunk, Elasticsearch

What protocol is used to monitor network devices like routers and switches? SMTP SNMP HTTP JMX

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

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

What would you do during a downtime window?

• Resolve the underlying issue
• Disable alerting temporarily
• Create a runbook
• Enable additional alerting