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Your company is working with a partner to provide a solution for a customer. Both your company and the partner organization are using GCP. There are applications in the partner's network that need access to some resources in your company's VPC. There is no CIDR overlap between the VPCs. Which two solutions can you implement to achieve the desired results without compromising the security? (Choose two.)
Your company is running out of network capacity to run a critical application in the on-premises data center. You want to migrate the application to GCP. You also want to ensure that the Security team does not lose their ability to monitor traffic to and from Compute Engine instances. Which two products should you incorporate into the solution? (Choose two.)
You are responsible for designing a new connectivity solution for your organization's enterprise network to access and use Google Workspace. You have an existing Shared VPC with Compute Engine instances in us-west1. Currently, you access Google Workspace via your service provider's internet access. You want to set up a direct connection between your network and Google. What should you do?
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Question 169 - Professional Cloud Network Engineer discussion

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Your company's logo is published as an image file across multiple websites that are hosted by your company You have implemented Cloud CDN, however, you want to improve the performance of the cache hit ratio associated with this image file. What should you do?

A.
Configure custom cache keys for the backend service that holds the image file, and clear the Host and Protocol checkboxes.
Answers
A.
Configure custom cache keys for the backend service that holds the image file, and clear the Host and Protocol checkboxes.
B.
Configure Cloud Storage as a custom origin backend to host the image file, and select multi-region as the location type
Answers
B.
Configure Cloud Storage as a custom origin backend to host the image file, and select multi-region as the location type
C.
Configure versioned IJRLs for each domain to serve users the *mage file before the cache entry expires
Answers
C.
Configure versioned IJRLs for each domain to serve users the *mage file before the cache entry expires
D.
Configure the default time to live (TTL) as O for the image file.
Answers
D.
Configure the default time to live (TTL) as O for the image file.
Suggested answer: A

Explanation:

This answer meets the requirement of improving the performance of the cache hit ratio associated with the image file. The reason is:

Custom cache keys allow you to control which parts of the request URL are used to build the cache key.The cache key is a unique identifier that Cloud CDN uses to store and retrieve cached content1.

By default, Cloud CDN uses the complete request URL, including the protocol (http or https) and the host (the domain name), to build the cache key.This means that if the same image file is requested from different domains or protocols, Cloud CDN will cache multiple copies of it, which reduces the cache hit ratio1.

By clearing the Host and Protocol checkboxes, you can tell Cloud CDN to ignore these parts of the request URL when building the cache key.This way, Cloud CDN will cache only one copy of the image file, regardless of which domain or protocol it is requested from, which improves the cache hit ratio1.

Option B is incorrect because configuring Cloud Storage as a custom origin backend does not affect the cache hit ratio. It only affects how Cloud CDN retrieves the content from the origin if it is not cached. Option C is incorrect because configuring versioned URLs for each domain does not improve the cache hit ratio. It actually worsens it, because it creates more variations of the request URL that Cloud CDN has to cache separately. Option D is incorrect because configuring the default TTL as 0 for the image file means that Cloud CDN will not cache it at all, which defeats the purpose of using Cloud CDN.

Custom cache keys | Cloud CDN | Google Cloud

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asked 18/09/2024
Bryan Smith
43 questions
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