Google Professional-Cloud-Network-Engineer權威認證 - Professional-Cloud-Network-Engineer考試重點Fast2test的產品不僅幫助客戶100%通過第一次參加的Google Professional-Cloud-Network-Engineer 認證考試，而且還可以為客戶提供一年的免費線上更新服務，第一時間將最新的資料推送給客戶，讓客戶瞭解到最新的考試資訊。所以Fast2test不僅是個產品品質很好的網站，還是個售後服務很好的網站。
Google Professional-Cloud-Network-Engineer 認證考試專門為有興趣在 Google Cloud 技術方面進行工作的網絡專業人士設計。此認證適用於具有設計、實施和管理 Google Cloud 平台網絡解決方案經驗的個人。該考試覆蓋了多個主題，包括網絡基礎知識、網絡安全和網絡架構。
為了獲得 Google Professional-Cloud-Network-Engineer 認證，候選人必須通過一個耗時 2 小時、50 道問題的考試，考試費用為 200 美元。該考試提供多種語言版本，可以在線上或測試中心進行。候選人還必須有 Google Cloud Platform 的實踐經驗，並熟悉網路技術和概念。該認證有效期為兩年，可以通過通過更新的考試版本或完成 Google Cloud 提供的專業發展課程來更新。 最新的 Google Cloud Platform Professional-Cloud-Network-Engineer 免費考試真題 (Q218-Q223):問題 #218
You are using a 10-Gbps direct peering connection to Google together with the gsutil tool to upload files to Cloud Storage buckets from on-premises servers. The on-premises servers are 100 milliseconds away from the Google peering point. You notice that your uploads are not using the full 10-Gbps bandwidth available to you. You want to optimize the bandwidth utilization of the connection.
What should you do on your on-premises servers?
A. Remove the -m flag from the gsutil command to enable single-threaded transfers.
B. Compress files using utilities like tar to reduce the size of data being sent.
C. Tune TCP parameters on the on-premises servers.
D. Use the perfdiag parameter in your gsutil command to enable faster performance: gsutil perfdiag gs://[BUCKET NAME].
答案：D
問題 #219
You need to restrict access to your Google Cloud load-balanced application so that only specific IP addresses can connect.
What should you do?
A. Label the backend instances "application," and create a firewall rule with the target label "application" and the source IP range of the allowed clients and Google health check IP ranges.
B. Create a secure perimeter using VPC Service Controls, and mark the load balancer as a service restricted to the source IP range of the allowed clients and Google health check IP ranges.
C. Create a secure perimeter using the Access Context Manager feature of VPC Service Controls and restrict access to the source IP range of the allowed clients and Google health check IP ranges.
D. Tag the backend instances "application," and create a firewall rule with target tag "application" and the source IP range of the allowed clients and Google health check IP ranges.
答案：D
問題 #220
After a network change window one of your company's applications stops working. The application uses an on-premises database server that no longer receives any traffic from the application. The database server IP address is 10.2.1.25. You examine the change request, and the only change is that 3 additional VPC subnets were created. The new VPC subnets created are 10.1.0.0/16, 10.2.0.0/16, and 10.3.1.0/24/ The on-premises router is advertising 10.0.0.0/8.
What is the most likely cause of this problem?
A. The less specific VPC subnet route is taking priority.
B. The more specific VPC subnet route is taking priority.
C. A cloud firewall rule that blocks traffic to the on-premises database server was created during the change.
D. The on-premises router is not advertising a route for the database server.
答案：C
問題 #221
Your organization is deploying a mission-critical application with components in different regions due to strict compliance requirements. There are latency issues between different applications that reside in us-central1 and us-east4. The application team suspects the Google Cloud network as the source of the excessive latency despite using the Premium Network Service Tier. You need to use Google-recommended practices with the least amount of effort to verify the inter-region latency by investigating network performance. What should you do?
A. Set up the Performance Dashboard in Network Intelligence Center. Select the traffic type (cross-zonal), the metric (latency - RTT), the time period, the desired regions (us-central1 and us-east4), and the network tier.
B. Configure a VM with a probe in Network Intelligence Center in each zone for each region. Choose the traffic type (cross-zonal), metric (latency - RTT), desired regions (us-central1 and us-east4), and the network tier.
C. Enable VPC Flow Logs for the VPC. Identify major bottlenecks from the application level using Flow Analyzer.
D. Configure two Linux VMs in each zone for each region. Install the application, and run a load test using each zone from different regions.
答案：A
解題說明：
The Performance Dashboard in the Network Intelligence Center provides a detailed view of network latency and performance metrics. For inter-region latency issues, you can quickly identify round-trip times (RTT) and latency using this tool by selecting the specific regions and network tiers, which allows you to diagnose any anomalies or patterns impacting performance.
問題 #222
Question:
You need to enable Private Google Access for some subnets within your Virtual Private Cloud (VPC). Your security team set up the VPC to send all internet-bound traffic back to the on-premises data center for inspection before egressing to the internet, and is also implementing VPC Service Controls for API-level security control. You have already enabled the subnets for Private Google Access. What configuration changes should you make to enable Private Google Access while adhering to your security team's requirements?
A. Create a private DNS zone with a CNAME record for *.googleapis.com to private.googleapis.com, with an A record pointing to Google's private API address range.
Create a custom route that points Google's private API address range to the default internet gateway as the next hop.
B. Create a private DNS zone with a CNAME record for *.googleapis.com to restricted.googleapis.com, with an A record pointing to Google's restricted API address range.Change the custom route that points the default route (0/0) to the default internet gateway as the next hop.
C. Create a private DNS zone with a CNAME record for *.googleapis.com to private.googleapis.com, with an A record pointing to Google's private API address range.
Change the custom route that points the default route (0/0) to the default internet gateway as the next hop.
D. Create a private DNS zone with a CNAME record for *.googleapis.com to restricted.googleapis.com, with an A record pointing to Google's restricted API address range.
Create a custom route that points Google's restricted API address range to the default internet gateway as the next hop.
答案：B
解題說明：
For environments requiring API security controls, use restricted.googleapis.com as it restricts access to Google APIs and enforces VPC Service Controls. The custom DNS and routing configuration ensures compliance with security policies by directing all API traffic to restricted endpoints while maintaining Private Google Access.
P.S. Fast2test在Google Drive上分享了免費的、最新的Professional-Cloud-Network-Engineer考試題庫：https://drive.google.com/open?id=1MTb9YpR1HZ8HVHgWCPzQr8QDAF0faeOz Author: chrisfi117 Time: yesterday 16:22
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