AZ-104 – Question 154

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HOTSPOT –
You have an Azure subscription named Subscription1. Subscription1 contains a virtual machine named VM1.
You install and configure a web server and a DNS server on VM1.
VM1 has the effective network security rules shown in the following exhibit:

Use the drop-down menus to select the answer choice that completes each statement based on the information presented in the graphic.
NOTE: Each correct selection is worth one point.
Hot Area:

Correct Answer: 

Box 1:
Rule2 blocks ports 50-60, which includes port 53, the DNS port. Internet users can reach to the Web server, since it uses port 80.
Box 2:
If Rule2 is removed internet users can reach the DNS server as well.
Note: Rules are processed in priority order, with lower numbers processed before higher numbers, because lower numbers have higher priority. Once traffic matches a rule, processing stops. As a result, any rules that exist with lower priorities (higher numbers) that have the same attributes as rules with higher priorities are not processed.

Reference: https://docs.microsoft.com/en-us/azure/virtual-network/security-overview 

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