devops:monitoring:datadog:monitoring_basics_questions
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| devops:monitoring:datadog:monitoring_basics_questions [2025/02/14 11:16] – 85.219.17.206 | devops:monitoring:datadog:monitoring_basics_questions [2025/02/14 13:51] (current) – 85.219.17.206 | ||
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| * Passive check | * Passive check | ||
| * Alert | * Alert | ||
| - | * Active check | + | * **Active check** |
| ==== Pregunta 2 ==== | ==== Pregunta 2 ==== | ||
| What are two benefits of proactive monitoring? | What are two benefits of proactive monitoring? | ||
| * Set thresholds for metrics | * Set thresholds for metrics | ||
| - | * Avoid outages, optimize systems | + | * **Avoid outages, optimize systems** |
| - | * Integrations provide metrics | + | * Integrations provide metrics |
| - | * Easy to write custom plugins | + | * Easy to write custom plugins |
| ==== Pregunta 3 ==== | ==== Pregunta 3 ==== | ||
| Splunk specializes in what type of monitoring? | Splunk specializes in what type of monitoring? | ||
| - | * Specialized log aggregation | + | |
| - | * Infrastructure monitoring | + | * Infrastructure monitoring |
| - | * General purpose SaaS | + | * General purpose SaaS |
| - | * Business monitoring | + | * Business monitoring |
| ==== Pregunta 4 ==== | ==== Pregunta 4 ==== | ||
| How can custom metrics be viewed in Datadog after publishing? | How can custom metrics be viewed in Datadog after publishing? | ||
| * Trace Explorer | * Trace Explorer | ||
| - | * Log Explorer | + | * Log Explorer |
| - | * Cassandra Explorer | + | * Cassandra Explorer |
| - | * Metrics Explorer | + | * **Metrics Explorer** |
| ==== Pregunta 5 ==== | ==== Pregunta 5 ==== | ||
| What does Business monitoring provide early feedback on? | What does Business monitoring provide early feedback on? | ||
| - | * Progress towards business goals | + | |
| - | * Application functionality | + | * Application functionality |
| - | * Infrastructure health | + | * Infrastructure health |
| - | * Security threats | + | * Security threats |
| ==== Pregunta 6 ==== | ==== Pregunta 6 ==== | ||
| What does security monitoring check for? | What does security monitoring check for? | ||
| * Infrastructure problems | * Infrastructure problems | ||
| - | * Vulnerabilities and threats | + | * **Vulnerabilities and threats** |
| - | * Application issues | + | * Application issues |
| - | * Business metrics | + | * Business metrics |
| ==== Pregunta 7 ==== | ==== Pregunta 7 ==== | ||
| What are some examples of metrics that monitoring tools collect? | What are some examples of metrics that monitoring tools collect? | ||
| - | * Disk space, memory, SSL expiration | + | * **Disk space, memory, SSL expiration** |
| - | * Severity levels | + | * Severity levels |
| - | * Events | + | * Events |
| - | * Up/down status | + | * Up/down status |
| ==== Pregunta 8 ==== | ==== Pregunta 8 ==== | ||
| What kind of monitoring tool is Nagios? | What kind of monitoring tool is Nagios? | ||
| - | * Popular first generation, open source | + | * **Popular first generation, open source** |
| - | * Specialized application performance | + | * Specialized application performance |
| - | * Specialized log aggregation | + | * Specialized log aggregation |
| - | * General purpose SaaS | + | * General purpose SaaS |
| ==== Pregunta 9 ==== | ==== Pregunta 9 ==== | ||
| What does Catchpoint monitor? | What does Catchpoint monitor? | ||
| * Business KPIs | * Business KPIs | ||
| - | * Infrastructure | + | * Infrastructure |
| - | * App code | + | * App code |
| - | * External application accessibility | + | * **External application accessibility** |
| ==== Pregunta 10 ==== | ==== Pregunta 10 ==== | ||
| What is the difference between an alert and a notification? | What is the difference between an alert and a notification? | ||
| * Notification contains more details | * Notification contains more details | ||
| - | * No difference | + | * No difference |
| - | * Alert is manual, notification automated | + | * Alert is manual, notification automated |
| - | * Notification is part of alert, alert triggers actions | + | * **Notification is part of alert, alert triggers actions** |
| ==== Pregunta 11 ==== | ==== Pregunta 11 ==== | ||
| What command checks if the SNMP daemon is running on Ubuntu? | What command checks if the SNMP daemon is running on Ubuntu? | ||
| * sudo snmpd status | * sudo snmpd status | ||
| - | * sudo / | + | * sudo / |
| - | * sudo service snmpd status | + | * sudo service snmpd status |
| - | * sudo systemctl status snmpd | + | * **sudo systemctl status snmpd** |
| ==== Pregunta 12 ==== | ==== Pregunta 12 ==== | ||
| What process is used to collect metric values periodically for time-series data? | What process is used to collect metric values periodically for time-series data? | ||
| - | Integration | + | * Integration |
| - | | + | |
| - | | + | |
| - | Check | + | * **Check** |
| ==== Pregunta 13 ==== | ==== Pregunta 13 ==== | ||
| What command tests SNMP connectivity on localhost? | What command tests SNMP connectivity on localhost? | ||
| - | datadog-agent jmx list localhost | + | * datadog-agent jmx list localhost |
| - | | + | * **snmpwalk -v2c -cpublic localhost** |
| - | | + | |
| - | | + | |
| + | | ||
| ==== Pregunta 14 ==== | ==== Pregunta 14 ==== | ||
| Which support level would product support be? | Which support level would product support be? | ||
| - | L1 | + | * **L1** |
| - | | + | |
| - | L3 | + | |
| - | L2 | + | |
| ==== Pregunta 15 ==== | ==== Pregunta 15 ==== | ||
| What does Application monitoring help to check? | What does Application monitoring help to check? | ||
| * Monitoring infrastructure | * Monitoring infrastructure | ||
| - | * Business goals are met | + | * Business goals are met |
| - | * Application is functioning correctly | + | * **Application is functioning correctly** |
| - | * Health of infrastructure | + | * Health of infrastructure |
| ==== Pregunta 16 ==== | ==== Pregunta 16 ==== | ||
| What are the three levels of on-call support? | What are the three levels of on-call support? | ||
| * Warning, critical, informational | * Warning, critical, informational | ||
| - | * Active, passive, hybrid | + | * Active, passive, hybrid |
| - | * External, internal, security | + | * External, internal, security |
| - | * L1 product support, L2 SREs, L3 engineers | + | * **L1 product support, L2 SREs, L3 engineers** |
| ==== Pregunta 17 ==== | ==== Pregunta 17 ==== | ||
| What provides steps for on-call staff to respond to alerts? | What provides steps for on-call staff to respond to alerts? | ||
| * Severity Level | * Severity Level | ||
| - | * Downtime | + | * Downtime |
| - | * Runbook | + | * **Runbook** |
| - | * Threshold | + | * Threshold |
| ==== Pregunta 18 ==== | ==== Pregunta 18 ==== | ||
| What type of monitoring focuses on servers, storage, load balancers, etc? | What type of monitoring focuses on servers, storage, load balancers, etc? | ||
| - | * Infrastructure monitoring | + | * **Infrastructure monitoring** |
| - | * Application monitoring | + | * Application monitoring |
| - | * Business monitoring | + | * Business monitoring |
| - | * Platform monitoring | + | * Platform monitoring |
| ==== Pregunta 19 ==== | ==== Pregunta 19 ==== | ||
| What is the main SNMP configuration file edited on Ubuntu? | What is the main SNMP configuration file edited on Ubuntu? | ||
| * / | * / | ||
| - | * / | + | * **/ |
| - | * / | + | * / |
| - | * / | + | * / |
| ==== Pregunta 20 ==== | ==== Pregunta 20 ==== | ||
| What command-line tool is commonly used to scan SNMP-enabled devices? | What command-line tool is commonly used to scan SNMP-enabled devices? | ||
| - | * snmpwalk | + | * **snmpwalk** |
| - | * curl | + | * curl |
| - | * jmxtool | + | * jmxtool |
| - | * snmpget | + | * snmpget |
| - | * | + | |
| ==== Pregunta 21 ==== | ==== Pregunta 21 ==== | ||
| What does Catchpoint/ | What does Catchpoint/ | ||
| * Log aggregation | * Log aggregation | ||
| - | * Infrastructure monitoring | + | * Infrastructure monitoring |
| - | * APM | + | * APM |
| - | * "Last mile" monitoring from locations | + | * **"Last mile" monitoring from locations** |
| ==== Pregunta 22 ==== | ==== Pregunta 22 ==== | ||
| What port does DogStatsD listen on by default? | What port does DogStatsD listen on by default? | ||
| - | * 8125 | + | * **8125** |
| - | * 8080 | + | * 8080 |
| - | * 7199 | + | * 7199 |
| - | * 2003 | + | * 2003 |
| ==== Pregunta 23 ==== | ==== Pregunta 23 ==== | ||
| In what way is a notification from an alert? | In what way is a notification from an alert? | ||
| * The warning when a threshold is crossed | * The warning when a threshold is crossed | ||
| - | * A time window when alerting is disabled | + | * A time window when alerting is disabled |
| - | * Published details about system changes | + | * Published details about system changes |
| - | * It's a message sent as part of an alert | + | * **It's a message sent as part of an alert** |
| ==== Pregunta 24 ==== | ==== Pregunta 24 ==== | ||
| What technology allows Java applications to expose metrics? | What technology allows Java applications to expose metrics? | ||
| - | * HTTP | + | * HTTP |
| - | * JMX | + | * **JMX** |
| - | * SNMP | + | * SNMP |
| - | * StatsD | + | * StatsD |
| ==== Pregunta 25 ==== | ==== Pregunta 25 ==== | ||
| What file stores metrics collected by the SNMP agent? | What file stores metrics collected by the SNMP agent? | ||
| * conf.yaml | * conf.yaml | ||
| - | * Management Information Base (MIB) | + | * **Management Information Base (MIB)** |
| - | * metrics.csv | + | * metrics.csv |
| - | * snmp.log | + | * snmp.log |
| ==== Pregunta 26 ==== | ==== Pregunta 26 ==== | ||
| Which monitoring topology has the infrastructure in data centers but the monitoring backend in the cloud? | Which monitoring topology has the infrastructure in data centers but the monitoring backend in the cloud? | ||
| * Multiple Data Centers | * Multiple Data Centers | ||
| - | * Data Center with Cloud Monitoring | + | * **Data Center with Cloud Monitoring** |
| - | * Single Data Center | + | * Single Data Center |
| - | * All in Cloud with In-House Monitoring | + | * All in Cloud with In-House Monitoring |
| ==== Pregunta 27 ==== | ==== Pregunta 27 ==== | ||
| What aspect of monitoring focuses on checking software system health to determine availability and detect deterioration early? | What aspect of monitoring focuses on checking software system health to determine availability and detect deterioration early? | ||
| - | * Overview of monitoring tools | + | * Overview of monitoring tools |
| - | * Primary focus | + | * Primary focus |
| - | * Key aspects | + | * Key aspects |
| - | * Types of monitoring | + | * **Types of monitoring** |
| ==== Pregunta 28 ==== | ==== Pregunta 28 ==== | ||
| What technology allows publishing custom metrics to Datadog? | What technology allows publishing custom metrics to Datadog? | ||
| * JMX | * JMX | ||
| - | * DogStatsD | + | * **DogStatsD** |
| - | * Apache Cassandra | + | * Apache Cassandra |
| - | * SNMP | + | * SNMP |
| ==== Pregunta 29 ==== | ==== Pregunta 29 ==== | ||
| What does the " | What does the " | ||
| - | * Telegraf, InfluxDB, Chronograf, Kapacitor | + | * **Telegraf, InfluxDB, Chronograf, Kapacitor** |
| - | * Datadog, AppDynamics, | + | * Datadog, AppDynamics, |
| - | * Tick, Tock, Click, Clack | + | * Tick, Tock, Click, Clack |
| - | * Nagios, Zabbix, Splunk, Elasticsearch | + | * Nagios, Zabbix, Splunk, Elasticsearch |
| ==== Pregunta 30 ==== | ==== Pregunta 30 ==== | ||
| What protocol is used to monitor network devices like routers and switches? | What protocol is used to monitor network devices like routers and switches? | ||
| * SMTP | * SMTP | ||
| - | * SNMP | + | * **SNMP** |
| - | * HTTP | + | * HTTP |
| - | * JMX | + | * JMX |
| ==== Pregunta 31 ==== | ==== Pregunta 31 ==== | ||
| An up/down status refers to what kind of measurement? | An up/down status refers to what kind of measurement? | ||
| * Time-bound measurement providing insight | * Time-bound measurement providing insight | ||
| - | * Details about changes to a system | + | * Details about changes to a system |
| - | * Binary status like process/ | + | * **Binary status like process/ |
| - | * Warnings when metrics breach thresholds | + | * Warnings when metrics breach thresholds |
| Line 221: | Line 220: | ||
| What does Infrastructure monitoring focus on? | What does Infrastructure monitoring focus on? | ||
| * Business KPIs | * Business KPIs | ||
| - | * Application code and services | + | * Application code and services |
| - | * Security threats | + | * Security threats |
| - | * Health of infrastructure components | + | * **Health of infrastructure components** |
| ==== Pregunta 33 ==== | ==== Pregunta 33 ==== | ||
| What would you do during a downtime window? | What would you do during a downtime window? | ||
| * Resolve the underlying issue | * Resolve the underlying issue | ||
| - | * Disable alerting temporarily | + | * Disable alerting temporarily |
| - | * Create a runbook | + | * Create a runbook |
| - | * Enable additional alerting | + | * **Enable additional alerting** |
devops/monitoring/datadog/monitoring_basics_questions.1739531792.txt.gz · Last modified: 2025/02/14 11:16 by 85.219.17.206