[Aug-2024] Professional-Cloud-Network-Engineer Free Sample Questions to Practice One Year Update [Q84-Q106] : Top Exam Collection : http://blog.topexamcollection.com

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[2024年8月] 专业云网络工程师免费样题练习一年更新 [Q84-Q106]

[Aug-2024] Professional-Cloud-Network-Engineer Free Sample Questions to Practice One Year Update

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第 84 号 Your organization uses a hub-and-spoke architecture with critical Compute Engine instances in your Virtual Private Clouds (VPCs). You are responsible for the design of Cloud DNS in Google Cloud. You need to be able to resolve Cloud DNS private zones from your on-premises data center and enable on-premises name resolution from your hub-and-spoke VPC design. What should you do?

Configure a private DNS zone in the hub VPC, and configure DNS forwarding to the on-premises server.
Configure DNS peering from the spoke VPCs to the hub VPC.

Configure a DNS policy in the hub VPC to allow inbound query forwarding from the spoke VPCs.
Configure the spoke VPCs with a private zone, and set up DNS peering to the hub VPC.

Configure a DNS policy in the spoke VPCs, and configure your on-premises DNS as an alternate DNS server.
Configure the hub VPC with a private zone, and set up DNS peering to each of the spoke VPCs.

Configure a DNS policy in the hub VPC, and configure the on-premises DNS as an alternate DNS server.
Configure the spoke VPCs with a private zone, and set up DNS peering to the hub VPC.

NO.85 You need to enable Cloud CDN for all the objects inside a storage bucket. You want to ensure that all the object in the storage bucket can be served by the CDN.
What should you do in the GCP Console?

Create a new cloud storage bucket, and then enable Cloud CDN on it.

Create a new TCP load balancer, select the storage bucket as a backend, and then enable Cloud CDN on the backend.

Create a new SSL proxy load balancer, select the storage bucket as a backend, and then enable Cloud CDN on the backend.

Create a new HTTP load balancer, select the storage bucket as a backend, enable Cloud CDN on the backend, and make sure each object inside the storage bucket is shared publicly.

第 86 号 You have an application that is running in a managed instance group. Your development team has released an updated instance template which contains a new feature which was not heavily tested. You want to minimize impact to users if there is a bug in the new template.
How should you update your instances?

Manually patch some of the instances, and then perform a rolling restart on the instance group.

Using the new instance template, perform a rolling update across all instances in the instance group. Verify the new feature once the rollout completes.

Deploy a new instance group and canary the updated template in that group. Verify the new feature in the new canary instance group, and then update the original instance group.

Perform a canary update by starting a rolling update and specifying a target size for your instances to receive the new template. Verify the new feature on the canary instances, and then roll forward to the rest of the instances.

第 87 号 You are migrating to Cloud DNS and want to import your BIND zone file.
Which command should you use?

gcloud dns record-sets import ZONE_FILE –zone MANAGED_ZONE

gcloud dns record-sets import ZONE_FILE –replace-origin-ns –zone MANAGED_ZONE

gcloud dns record-sets import ZONE_FILE –zone-file-format –zone MANAGED_ZONE

gcloud dns record-sets import ZONE_FILE –delete-all-existing –zone MANAGED ZONE

NO.88 You are designing a new global application using Compute Engine instances that will be exposed by a global HTTP(S) load balancer. You need to secure your application from distributed denial-of-service and application layer (layer 7) attacks. What should you do?

Configure VPC Service Controls and create a secure perimeter. Define fine-grained perimeter controls and enforce that security posture across your Google Cloud services and projects.

Configure a Google Cloud Armor security policy in your project, and attach it to the backend service to secure the application.

Configure VPC firewall rules to protect the Compute Engine instances against distributed denial-of-service attacks.

Configure hierarchical firewall rules for the global HTTP(S) load balancer public IP address at the organization level.

第 89 号 You create a Google Kubernetes Engine private cluster and want to use kubectl to get the status of the pods. In one of your instances you notice the master is not responding, even though the cluster is up and running.
该如何解决问题？

Assign a public IP address to the instance.

Create a route to reach the Master, pointing to the default internet gateway.

Create the appropriate firewall policy in the VPC to allow traffic from Master node IP address to the instance.

Create the appropriate master authorized network entries to allow the instance to communicate to the master.

NO.90 You have ordered Dedicated Interconnect in the GCP Console and need to give the Letter of Authorization/Connecting Facility Assignment (LOA-CFA) to your cross-connect provider to complete the physical connection.
Which two actions can accomplish this? (Choose two.)

Open a Cloud Support ticket under the Cloud Interconnect category.

Download the LOA-CFA from the Hybrid Connectivity section of the GCP Console.

Run gcloud compute interconnects describe <interconnect>.

Check the email for the account of the NOC contact that you specified during the ordering process.

Contact your cross-connect provider and inform them that Google automatically sent the LOA/CFA to them via email, and to complete the connection.

第 91 号 Your company runs an enterprise platform on-premises using virtual machines (VMS). Your internet customers have created tens of thousands of DNS domains panting to your public IP addresses allocated to the Vtvls Typically, your customers hard-code your IP addresses In their DNS records You are now planning to migrate the platform to Compute Engine and you want to use Bring your Own IP you want to minimize disruption to the Platform What Should you d0?

Create a VPC and request static external IP addresses from Google Cloud Assagn the IP addresses to the Compute Engine instances. Notify your customers of the new IP addresses so they can update their DNS

Verify ownership of your IP addresses. After the verification, Google Cloud advertises and provisions the IP prefix for you_ Assign the IP addresses to the Compute Engine Instances

Create a VPC With the same IP address range as your on-premises network Asson the IP addresses to the Compute Engine Instances.

Verify ownership of your IP addresses. Use live migration to import the prefix Assign the IP addresses to Compute Engine instances.

第 92 号 You need to create a GKE cluster in an existing VPC that is accessible from on-premises. You must meet the following requirements:
* IP ranges for pods and services must be as small as possible.
* The nodes and the master must not be reachable from the internet.
* You must be able to use kubectl commands from on-premises subnets to manage the cluster.
How should you create the GKE cluster?

* Create a private cluster that uses VPC advanced routes.
* Set the pod and service ranges as /24.
* Set up a network proxy to access the master.

* Create a VPC-native GKE cluster using GKE-managed IP ranges.
* Set the pod IP range as /21 and service IP range as /24.
* Set up a network proxy to access the master.

* Create a VPC-native GKE cluster using user-managed IP ranges.
* Enable a GKE cluster network policy, set the pod and service ranges as /24.
* Set up a network proxy to access the master.
* Enable master authorized networks.

* Create a VPC-native GKE cluster using user-managed IP ranges.
* Enable privateEndpoint on the cluster master.
* Set the pod and service ranges as /24.
* Set up a network proxy to access the master.
* Enable master authorized networks.

第 93 号 Your company’s web server administrator is migrating on-premises backend servers for an application to GCP. Libraries and configurations differ significantly across these backend servers. The migration to GCP will be lift-and-shift, and all requests to the servers will be served by a single network load balancer frontend. You want to use a GCP-native solution when possible.
How should you deploy this service in GCP?

Create a managed instance group from one of the images of the on-premises servers, and link this instance group to a target pool behind your load balancer.

Create a target pool, add all backend instances to this target pool, and deploy the target pool behind your load balancer.

Deploy a third-party virtual appliance as frontend to these servers that will accommodate the significant differences between these backend servers.

Use GCP’s ECMP capability to load-balance traffic to the backend servers by installing multiple equal-priority static routes to the backend servers.

第 94 号 You have the following routing design. You discover that Compute Engine instances in Subnet-2 in the asia-southeast1 region cannot communicate with compute resources on-premises. What should you do?

Configure a custom route advertisement on the Cloud Router.

Enable IP forwarding in the asia-southeast1 region.

Change the VPC dynamic routing mode to Global.

Add a second Border Gateway Protocol (BGP) session to the Cloud Router.

NO.95 You have configured Cloud CDN using HTTP(S) load balancing as the origin for cacheable content. Compression is configured on the web servers, but responses served by Cloud CDN are not compressed.
What is the most likely cause of the problem?

You have not configured compression in Cloud CDN.

You have configured the web servers and Cloud CDN with different compression types.

The web servers behind the load balancer are configured with different compression types.

You have to configure the web servers to compress responses even if the request has a Via header.

第 96 号 You create a Google Kubernetes Engine private cluster and want to use kubectl to get the status of the pods.
In one of your instances you notice the master is not responding, even though the cluster is up and running.
该如何解决问题？

Assign a public IP address to the instance.

Create a route to reach the Master, pointing to the default internet gateway.

Create the appropriate firewall policy in the VPC to allow traffic from Master node IP address to the instance.

Create the appropriate master authorized network entries to allow the instance to communicate to the master.

第 97 号 You have deployed a proof-of-concept application by manually placing instances in a single Compute Engine zone. You are now moving the application to production, so you need to increase your application availability and ensure it can autoscale.
How should you provision your instances?

Create a single managed instance group, specify the desired region, and select Multiple zones for the location.

Create a managed instance group for each region, select Single zone for the location, and manually distribute instances across the zones in that region.

Create an unmanaged instance group in a single zone, and then create an HTTP load balancer for the instance group.

Create an unmanaged instance group for each zone, and manually distribute the instances across the desired zones.

NO.98 You have a data workflow which consists of data ingestion layer, data transformation layer, data analytics layer and data storage layer. You are looking for a service that would ease the tasks of creating, scheduling, monitoring and managing workflows without dealing with the management of the infrastructure .Please select the right service that would fulfil the requirement.

Apache Airflow

Cloud Composer

Istio

Stackdriver

NO.99 You have the networking configuration shown in the diagram. A pair of redundant Dedicated Interconnect connections (int-Igal and int-Iga2) terminate on the same Cloud Router. The Interconnect connections terminate on two separate on-premises routers. You are advertising the same prefixes from the Border Gateway Protocol (BGP) sessions associated with the Dedicated Interconnect connections. You need to configure one connection as Active for both ingress and egress traffic. If the active Interconnect connection fails, you want the passive Interconnect connection to automatically begin routing all traffic Which two actions should you take to meet this requirement? (Choose Two)

Configure the advertised route priority > 10,200 on the active Interconnect connection.

Advertise a lower MED on the passive Interconnect connection from the on-premises router

Configure the advertised route priority as 200 for the BGP session associated with the active Interconnect connection.

Configure the advertised route priority as 200 for the BGP session associated with the passive Interconnect connection.

Advertise a lower MED on the active Interconnect connection from the on-premises router

This answer meets the requirement of configuring one connection as Active for both ingress and egress traffic, and enabling automatic failover to the passive connection in case of failure. The reason is:
The advertised route priority is a value that Cloud Router uses to set the route priority when advertising routes to your on-premises router. The lower the value, the higher the priority1. By setting the advertised route priority as 200 for the active connection, you ensure that it has a higher priority than the passive connection, which has the default value of 1001. This way, your on-premises router will prefer the routes from the active connection over the passive one for ingress traffic.
The MED (Multi-Exit Discriminator) is a value that your on-premises router uses to indicate its preference for receiving traffic from Cloud Router. The lower the value, the higher the preference2. By advertising a lower MED on the active connection from your on-premises router, you ensure that Cloud Router will prefer sending traffic to the active connection over the passive one for egress traffic.
If the active connection fails, Cloud Router will stop receiving routes from it and will start using the routes from the passive connection for egress traffic. Similarly, your on-premises router will stop receiving routes with priority 200 from the active connection and will start using the routes with priority 100 from the passive connection for ingress traffic. This achieves automatic failover without any manual intervention.
Option A is incorrect because setting the advertised route priority > 10,200 on the active connection would deprioritize it globally in your VPC network, which is not what you want1. Option B is incorrect because advertising a lower MED on the passive connection would make Cloud Router prefer sending traffic to it over the active one, which is not what you want2. Option D is incorrect because setting the advertised route priority as 200 for both connections would make them equally preferred by your on-premises router, which is not what you want1.
参考资料
Update the base route priority | Cloud Router | Google Cloud
Configuring BGP sessions | Cloud Router | Google Cloud

编号 100 You want to deploy a VPN Gateway to connect your on-premises network to GCP. You are using a non BGP-capable on-premises VPN device. You want to minimize downtime and operational overhead when your network grows. The device supports only IKEv2, and you want to follow Google-recommended practices.
你该怎么办？

Create a Cloud VPN instance.
Create a policy-based VPN tunnel per subnet.
Configure the appropriate local and remote traffic selectors to match your local and remote networks.
Create the appropriate static routes.

Create a Cloud VPN instance.
Create a policy-based VPN tunnel.
Configure the appropriate local and remote traffic selectors to match your local and remote networks.
Configure the appropriate static routes.

Create a Cloud VPN instance.
Create a route-based VPN tunnel.
Configure the appropriate local and remote traffic selectors to match your local and remote networks.
Configure the appropriate static routes.

Create a Cloud VPN instance.
Create a route-based VPN tunnel.
Configure the appropriate local and remote traffic selectors to 0.0.0.0/0.
Configure the appropriate static routes.

NO.101 You created a new VPC network named Dev with a single subnet. You added a firewall rule for the network Dev to allow HTTP traffic only and enabled logging. When you try to log in to an instance in the subnet via Remote Desktop Protocol, the login fails. You look for the Firewall rules logs in Stackdriver Logging, but you do not see any entries for blocked traffic. You want to see the logs for blocked traffic.
你该怎么办？

Check the VPC flow logs for the instance.

Try connecting to the instance via SSH, and check the logs.

Create a new firewall rule to allow traffic from port 22, and enable logs.

Create a new firewall rule with priority 65500 to deny all traffic, and enable logs.

编号：102 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.)

VPC flow logs

Firewall logs

Cloud Audit logs

Stackdriver Trace

Compute Engine instance system logs

第 103 号 You are the Organization Admin for your company. One of your engineers is responsible for setting up multiple host projects across multiple folders and sharing subnets with service projects. You need to enable the engineer’s Identity and Access Management (IAM) configuration to complete their task in the fewest number of steps. What should you do?

Set up the engineer with Compute Shared VPC Admin IAM role at the folder level.

Set up the engineer with Compute Shared VPC Admin IAM role at the organization level.

Set up the engineer with Compute Shared VPC Admin IAM role and Project IAM Admin role at the folder level.

Set up the engineer with Compute Shared VPC Admin IAM role and Project IAM Admin role at the organization level.

第 104 号 Your company is planning a migration to Google Kubernetes Engine. Your application team informed you that they require a minimum of 60 Pods per node and a maximum of 100 Pods per node Which Pod per node CIDR range should you use?

/24

/25

/26

/28

第 105 号 You have ordered Dedicated Interconnect in the GCP Console and need to give the Letter of Authorization/Connecting Facility Assignment (LOA-CFA) to your cross-connect provider to complete the physical connection.
Which two actions can accomplish this? (Choose two.)

Open a Cloud Support ticket under the Cloud Interconnect category.

Download the LOA-CFA from the Hybrid Connectivity section of the GCP Console.

Run gcloud compute interconnects describe <interconnect>.

Check the email for the account of the NOC contact that you specified during the ordering process.

Contact your cross-connect provider and inform them that Google automatically sent the LOA/CFA to them via email, and to complete the connection.

NO.106 You have a storage bucket that contains two objects. Cloud CDN is enabled on the bucket, and both objects have been successfully cached. Now you want to make sure that one of the two objects will not be cached anymore, and will always be served to the internet directly from the origin.
你该怎么办？

Ensure that the object you don’t want to be cached anymore is not shared publicly.

Create a new storage bucket, and move the object you don’t want to be checked anymore inside it. Then edit the bucket setting and enable the privateattribute.

Add an appropriate lifecycle rule on the storage bucket containing the two objects.

Add a Cache-Controlentry with value private to the metadata of the object you don’t want to be cached anymore. Invalidate all the previously cached copies.

The Google Cloud Certified - Professional Cloud Network Engineer certification exam consists of multiple-choice questions, performance-based scenarios, and a practical exam that tests the candidate's ability to design and implement a networking solution on the GCP platform. Professional-Cloud-Network-Engineer exam is administered by Google Cloud and can be taken at a testing center or online. Google Cloud Certified - Professional Cloud Network Engineer certification is valid for two years and requires the candidate to maintain their skills and knowledge through continuing education and professional development. The Google Professional-Cloud-Network-Engineer certification is a valuable credential for network engineers who want to demonstrate their expertise in cloud networking and advance their careers in the field.

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Post date: 2024-08-02 11:48:31
Post date GMT: 2024-08-02 11:48:31

Post modified date: 2024-08-02 11:48:31
Post modified date GMT: 2024-08-02 11:48:31

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