Prometheus Percipio Questions and Answers

Prometheus Percipio multiple choice questions and Answers

Question#1 What are the types of monitoring available?

i) Black box and White box monitoring

ii) Black box, White box and Gray box monitoring

iii) Gray box monitoring

iv) Black box monitoring

v) White box monitoring

Answer:- Black box and White box monitoring

Question#2 Garbage Collection (GC) is a _ type of metric.

i) App metric

ii) Network metric

iii) Platform metric

Answer:- Platform metric

Question#3 Black box monitoring shows symptoms of the problem and underlying causes.

i) False

ii) True

iii) Partly true. Shows the symptoms but not causes

iv) Partly true. Shows the causes but not symptoms

Answer:- Partly true. Shows the symptoms but not causes

Question#4 When are push gateways used?

i) When the metrics are not exposed in Prometheus understandable format

ii) When there are no metrics exposed

iii) When short-lived jobs are run

iv) All the options

Answer:- All the options

Question#5 Prometheus supports Service Discovery.

i) True

ii) False

Answer:- True

Question#6 Prometheus is a __ monitoring system.

i) Pull based

ii) Push based

Answer:- Pull based

Question#7 Prometheus is a unidimensional.

i) True

ii) False

Answer:- False

Question#8 Which is not a valid range vector selector?

i) y years

ii) s seconds

iii) m months

iv) d days

Answer:- m months

Question#9 Metrics in Prometheus are represented as __.

i) Graph DB

ii) Document DB

iii) Key-value pair

Answer:- Key-value pair

Question#10 What are the metric operation Prometheus supports?

i) Comparison Operations

ii) Aggregation Operations

iii) Arithmetic operations

iv) All the options

Answer:- All the options

Question#11 Which is not a Prometheus data type?

i) Scalar

ii) Array Vector

iii) Instant Vector

iv) Range Vector

Answer:- Array Vector

Question#12 Alert state ‘Pending’ means __.

i) The alert condition is met and the alert has occurred. It is moved ready to get notified at the receiver

ii) The alert is pending to get triggered from Prometheus server to Alert manager

iii) The alert condition is met and the alert has occurred. It is moved ready to get Alertmanager and yet to reach notification channel

Answer:- The alert is pending to get triggered from Prometheus server to Alert manager

Question#13 Suppressing a specific set of alerts as some other related alerts are notified is called _.

i) Grouping

ii) Inhibition

iii) Silencing

Answer:- Inhibition

Question#14 Which are the external systems, Prometheus alertmanager supports to notify?

i) Hipchat

ii) Slack

iii) Email

iv) Webhooks

v) All the options

Answer:- All the options

Question#15 Alerts can be queried real-time.

i) Yes alerts can be queried only during Pending state

ii) Yes alerts can be queried when their state is either Pending or Firing

iii) Yes alerts can be queried during any state

iv) Alerts is not a valid time series metric available

Answer:- Yes alerts can be queried only during Pending state

Question#16 _ is used to push logs into Prometheus.

i) None

ii) ELK

iii) Kafka

Answer:- Kafka

Question#17 How can time series be queried for metrics?

i) By metric name

ii) By instance

iii) By time

iv) All the options

Answer:- By instance

Question#18 App metrics can be exposed to Prometheus by __.

i) Using node_exporter

ii) Scraping the app

iii) Instrumenting the app

iv) Alerting the metrics

Answer:- Scraping the app

Question#19 Which of the following is not done by Alert Manager?

i) Groups similar ones

ii) Updates alert messages

iii) Suppress alerts

iv) silences specific set of alerts

Answer:- Groups similar ones

Question#20 Can Prometheus server scrape other Prometheus servers?

i) No. Prometheus is only for node and app metrics monitoring

ii) Yes they can

Answer:- Yes they can

Question#21 Does Prometheus support collecting metrics from third party systems?

i) Yes, possible using various exporters available

ii) No. Metrics have to be exposed over an endpoint for Prometheus to scrape

Answer:- Yes, possible using various exporters available

Question#22 Does Prometheus support creation of custom metrics?

i) No

ii) Yes, it does

Answer:- No

Question#23 To query 99th percentile response time, the metrics should be of type __.

i) gauge

ii) histogram

iii) counter

Answer:- histogram

Question#24 Reads from TSDB are performed _ and Writes are performed __.

i) Horizontally, Vertically

ii) No such direction restriction

iii) Vertically, Horizontally

Answer:- Horizontally, Vertically

Question#25 Prometheus stores the logs of metrics and provide time series when needed.

i) Possible as it stores the log files in the in-built database

ii) No. It stores only log files and cannot calculate metrics on logs on the fly

iii) No. It stores only time series metrics

Answer:- Possible as it stores the log files in the in-built database

Question#26 _ shows metrics at current time and ___ shows metrics over a range of time.

i) Both Console and Graph displays current time over range of time

ii) Console, Graph

iii) Graph, Console

Answer:- Both Console and Graph displays current time over range of time

Question#27 To view the instances that are down, how do you query?

i) down==0

ii) up==1

iii) up==0

iv) down==1

Answer:- down==0

Question#28 How do you monitor network devices using Prometheus?

i) It is not possible to monitor network devices

ii) Using specific exporters like SNMP, it is possible

iii) Node_exporter will expose network devices’ related metrics

Answer:- Using specific exporters like SNMP, it is possible

Question#29 Where is the scraping interval for Prometheus defined?

i) prometheus.yml

ii) scrape.config

iii) Prometheus_rules

Answer:- scrape.config

Question#30 Host based metrics are exposed only at _.

i) /alerts end point

ii) /targets end point

iii) /metrics end point

Answer:- /metrics end point

Question#31 Grafana is the only visualization tool supported by Prometheus to view metrics.

i) True

ii) False

Answer:- True

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