Instrument Solutions to support monitoring and logging

Question 1

Where would an exception logged with the following end up?

var client = new TelemetryClient();
client.TrackException(ex);

Answer 1

Application Insights

Question 2

Where should the instrumation key be store in the app be?

Answer 2

APPINSIGHTS_INSTRUMENTATIONKEY

Question 3

What should you use to capture performance from multiple geographies?

Answer 3

URL ping test in Application Insights

Question 4

What command would you run to get all requests for /Home/Index that succeeded?

Answer 4

AppRequests
| where ResultCode ==

200

| where Name ==

GET Home/Index

Question 5

What command would you use to get the latest 10 events from records call SecurityEvent?

Answer 5

SecurityEvent

| top 10 by TimeGenerated

Question 6

How would you find SecurityEvents that are Level 10 or greater and happened within the last 30 minutes?

Answer 6

SecurityEvent
| where TimeGenerated > ago(30m)
| where toint(Level) >= 10

Question 7

How would find the average of the CounterValue for results Perf that were generated within the last hour, for each computer?

Answer 7

Perf
| where TimeGenerated > ago(1h)
| summarize avg(CounterValue) by Computer, CounterName

Question 8

How would you find the average memory (Available MBytes) of the Computer ContosoAzADDS2 by hour over the last 7 days?

Answer 8

Perf
| where TimeGenerated > ago(7d)
| where Computer == “ContosoAzADDS2”
| where CounterName == “Available MBytes”
| summarize avg(CounterValue) by bin(TimeGenerated, 1h)

Question 9

What method call do you need to make to the services to enable Application Insights?

Answer 9

services.AddApplicationInsightsTelemetry();

Question 10

What would you use to figure out how many users came back after some changes were implemented?

Answer 10

Retention

Question 11

What is a session in App Insights?

Answer 11

A session is a period of activity by a user, terminated by a period of inactivity of more than half an hour

Question 12

What is the use for funnel?

Answer 12

Finding how many users follow a path. E.g. Looking at ticket info, and then closing the ticket

Question 13

What use does impact have in analytics?

Answer 13

Determine how load times and other properties affect product sales. E.g. what property effects clicking which button

Question 14

What should you use rentention for?

Answer 14

Which events influnce users to return to your website

Question 15

How should you send telemetry from a WebApp?

Answer 15

Add the app insights javascript to your webpage