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devops:monitoring:datadog:monitoring_basics_questions [2025/02/14 11:11] – 85.219.17.206devops: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 +  * **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 +  * **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 /etc/init.d/snmpd status +  * sudo /etc/init.d/snmpd status 
- 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 
- Monitor +  * Monitor 
- Threshold +  * Threshold 
- 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 +  * **snmpwalk -v2c -cpublic localhost** 
- jmxtool localhost +  * jmxtool localhost 
- snmpget -v2c -cpublic localhost +  * snmpget -v2c -cpublic localhost 
 +   
 ==== Pregunta 14 ==== ==== Pregunta 14 ====
 Which support level would product support be? Which support level would product support be?
- L1 +  * **L1** 
- None +  * None 
- L3 +  * L3 
- L2+  * 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 
-   Explicación general: Runbooks outline procedures for on-call personnel to respond to alerts in Datadog. +   
 ==== 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?
- /etc/jmxtool.conf +   * /etc/jmxtool.conf 
- /etc/snmp/snmp.conf +  * **/etc/snmp/snmp.conf** 
- /etc/datadog.conf +  * /etc/datadog.conf 
- /etc/snmpd.conf+  * /etc/snmpd.conf
  
 ==== 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/Apica provide? What does Catchpoint/Apica provide?
- 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 "TICK" stack include? What does the "TICK" stack include?
- Telegraf, InfluxDB, Chronograf, Kapacitor +   * **Telegraf, InfluxDB, Chronograf, Kapacitor** 
- Datadog, AppDynamics, Catchpoint, Apica +  * Datadog, AppDynamics, Catchpoint, Apica 
- 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/website up/down +  * **Binary status like process/website up/down** 
- Warnings when metrics breach thresholds+  * Warnings when metrics breach thresholds
  
  
 ==== Pregunta 32 ==== ==== Pregunta 32 ====
 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.1739531465.txt.gz · Last modified: 2025/02/14 11:11 by 85.219.17.206