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Exam AZ-103 topic 4 question 53 discussion

Actual exam question from Microsoft's AZ-103

Question #: 53
Topic #: 4

You have two Azure virtual networks named VNet1 and VNet2. VNet1 contains an Azure virtual machine named VM1. VNet2 contains an Azure virtual machine named VM2.
VM1 hosts a frontend application that connects to VM2 to retrieve data.
Users report that the frontend application is slower than usual.
You need to view the average round-trip time (RTT) of the packets from VM1 to VM2.
Which Azure Network Watcher feature should you use?

A. IP flow verify
B. Connection monitor
C. NSG flow logs
D. Connection troubleshoot

Show Suggested Answer

Suggested Answer: B 🗳️
The connection monitor capability monitors communication at a regular interval and informs you of reachability, latency, and network topology changes between the VM and the endpoint
Incorrect Answers:
A: The IP flow verify capability enables you to specify a source and destination IPv4 address, port, protocol (TCP or UDP), and traffic direction (inbound or outbound). IP flow verify then tests the communication and informs you if the connection succeeds or fails. If the connection fails, IP flow verify tells you which security rule allowed or denied the communication, so that you can resolve the problem.
C: The NSG flow log capability allows you to log the source and destination IP address, port, protocol, and whether traffic was allowed or denied by an NSG.
D: The connection troubleshoot capability enables you to test a connection between a VM and another VM, an FQDN, a URI, or an IPv4 address. The test returns similar information returned when using the connection monitor capability, but tests the connection at a point in time, rather than monitoring it over time, as connection monitor does.
Reference:
https://docs.microsoft.com/en-us/azure/network-watcher/network-watcher-monitoring-overview

by FrancisFerreira at March 30, 2020, 5:40 a.m.

Comments

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wilmatic81

Highly Voted 5 years, 1 month ago

B is correct https://docs.microsoft.com/en-us/azure/network-watcher/connection-monitor-preview

upvoted 9 times

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Thi

Most Recent 4 years, 6 months ago

Explanation: The Connection Monitor feature in Azure Network Watcher is now generally available in all public regions. Connection Monitor provides you RTT values on a per-minute granularity. You can monitor a direct TCP connection from a virtual machine to a virtual machine, FQDN, URI, or IPv4 address. References: https://azure.microsoft.com/en-us/updates/general-availability-azure-network-watcher-connection-monitor- in-all-public-regions/

upvoted 2 times

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jjkidd72

4 years, 8 months ago

I believe the given answer is correct...I have not used Conn. Monitor as yet but I have Conn. troubleshoot; and I know for sure the latter just carries out the test as a one time occurrence...and not over a period of time, which I suppose Conn. Monitor can.

upvoted 1 times

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DA0410

4 years, 9 months ago

Answer correct but can I use ping instead of azure tool ? where time= rtt Ping ip addres vm1 ping ip address vm2 Reply from "ip address vm1" bytes= 32 time=42 ms ttl=52 Reply from "ip address vm2" bytes= 32 time=45 ms ttl=52 .

upvoted 1 times

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Ausias18

4 years, 10 months ago

B is correct

upvoted 2 times

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PM2

4 years, 11 months ago

B is correct.

upvoted 2 times

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noeperdepoep

4 years, 12 months ago

D: responses from connection troubleshoot include AvgLatencyInMs Average latency during the connectivity check in milliseconds. (Only shown if check status is reachable) https://docs.microsoft.com/nl-nl/azure/network-watcher/network-watcher-connectivity-overview

upvoted 1 times

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FrancisFerreira

5 years, 1 month ago

The nature of the issue itself here is troubleshooting. Why would I analyze time-frame data rather than point-in-time data for this. I would go with Connection Troubleshooting.

upvoted 3 times

aimar047

5 years, 1 month ago

This is a question about connectivity performance (slowness). You will need to check my network metric RTT in this case. Which Connection Monitor offers --> B

upvoted 4 times

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Shades

4 years, 10 months ago

Connection is working, its just slow. You need to check Round Trip time thats related to Network Performance/latency..which can be captured by Connection Monitor

upvoted 3 times

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Gatospazialle

4 years, 3 months ago

I think B is correct and you should go for Connection Monitor because you need to get RTT data, monitor will give you this while troubleshooting not.

upvoted 1 times

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