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The Google Professional-Cloud-Network-Engineer certification exam is designed to validate the skills and expertise of network engineers who work with Google Cloud Platform. The exam tests the candidate's ability to design, implement, and manage secure, scalable, and highly available networks that meet the needs of a modern cloud-based infrastructure. The certification is intended for professionals who have experience in network engineering and are looking to enhance their skills in cloud networking.
NEW QUESTION # 14
Your organization is deploying a single project for 3 separate departments. Two of these departments require network connectivity between each other, but the third department should remain in isolation. Your design should create separate network administrative domains between these departments. You want to minimize operational overhead.
How should you design the topology?
- A. Create a single project, and deploy specific firewall rules. Use network tags to isolate access between the departments.
- B. Create a Shared VPC Host Project and the respective Service Projects for each of the 3 separate departments.
- C. Create 3 separate VPCs, and use VPC peering to establish connectivity between the two appropriate VPCs.
- D. Create 3 separate VPCs, and use Cloud VPN to establish connectivity between the two appropriate VPCs.
Answer: C
Explanation:
https://cloud.google.com/vpc/docs/vpc-peering
NEW QUESTION # 15
You are deploying a global external TCP load balancing solution and want to preserve the source IP address of the original layer 3 payload.
Which type of load balancer should you use?
- A. HTTP(S) load balancer
- B. Internal load balancer
- C. TCP/SSL proxy load balancer
- D. Network load balancer
Answer: D
Explanation:
Reference:
https://cloud.google.com/load-balancing/docs/network
NEW QUESTION # 16
You have two Google Cloud projects in a perimeter to prevent data exfiltration. You need to move a third project inside the perimeter; however, the move could negatively impact the existing environment. You need to validate the impact of the change. What should you do?
- A. Enable VPC Flow Logs inside the third project, and monitor the logs for negative impact.
- B. Enable Firewall Rules Logging inside the third project.
- C. Monitor the Resource Manager audit logs inside the perimeter.
- D. Modify the existing VPC Service Controls policy to include the new project in dry run mode.
Answer: D
NEW QUESTION # 17
You want to create a service in GCP using IPv6.
What should you do?
- A. Create the instance with the designated IPv6 address.
- B. Configure an internal load balancer with the designated IPv6 address.
- C. Configure a TCP Proxy with the designated IPv6 address.
- D. Configure a global load balancer with the designated IPv6 address.
Answer: D
Explanation:
https://cloud.google.com/load-balancing/docs/load-balancing-overview mentions to use global load balancer for IPv6 termination.
NEW QUESTION # 18
You are designing a Google Kubernetes Engine (GKE) cluster for your organization. The current cluster size is expected to host 10 nodes, with 20 Pods per node and 150 services. Because of the migration of new services over the next 2 years, there is a planned growth for 100 nodes, 200 Pods per node, and 1500 services. You want to use VPC-native clusters with alias IP ranges, while minimizing address consumption.
How should you design this topology?
- A. Create a subnet of size/25 with 2 secondary ranges of: /17 for Pods and /21 for Services. Create a VPC-native cluster and specify those ranges.
- B. Use gcloud container clusters create [CLUSTER NAME] to create a VPC-native cluster.
- C. Use gcloud container clusters create [CLUSTER NAME]--enable-ip-alias to create a VPC-native cluster.
- D. Create a subnet of size/28 with 2 secondary ranges of: /24 for Pods and /24 for Services. Create a VPC-native cluster and specify those ranges. When the services are ready to be deployed, resize the subnets.
Answer: D
NEW QUESTION # 19
You want to create a service in GCP using IPv6.
What should you do?
- A. Create the instance with the designated IPv6 address.
- B. Configure an internal load balancer with the designated IPv6 address.
- C. Configure a TCP Proxy with the designated IPv6 address.
- D. Configure a global load balancer with the designated IPv6 address.
Answer: D
NEW QUESTION # 20
You need to create a new VPC network that allows instances to have IP addresses in both the 10.1.1.0/24 network and the 172.16.45.0/24 network.
What should you do?
- A. Create unique DNS records for each service that sends traffic to the desired IP address.
- B. Use VPC peering to allow traffic to route between the 10.1.0.0/24 network and the 172.16.45.0/24 network.
- C. Configure an alias-IP range of 172.16.45.0/24 on the virtual instances within the VPC subnet of 10.1.1.0/24.
- D. Configure global load balancing to point 172.16.45.0/24 to the correct instance.
Answer: A
NEW QUESTION # 21
Your company has launched a mobile application that uploads pictures to google cloud storage bucket. The application was successfully uploading the pictures to google cloud storage buckets, but lately the application has become popular and you start seeing 429 errors. Please suggest the ways to address the issue. Please select any two.
- A. Throttle your client's requests
- B. Use the correct verb with the /upload or /download URLs.
- C. Use truncated exponential backoff
- D. The OAuth access token has expired and needs to be refreshed.
Answer: C
Explanation:
Option A and Option B are the Correct choices because , a 429 error is caused by Too Many Requests.If your application tries to use more than its limit, additional requests will fail. Throttle your client's requests, and/or use truncated exponential backoff.
Option C is Incorrect choice because, a OAuth access token has expiry would result in error
401(Unauthorized)
Option D is Incorrect because, using wrong verb with /upload or /download URLs would lead to
405 (method not allowed error).
NEW QUESTION # 22
You are configuring a new instance of Cloud Router in your Organization's Google Cloud environment to allow connection across a new Dedicated Interconnect to your data center Sales, Marketing, and IT each have a service project attached to the Organization's host project.
Where should you create the Cloud Router instance?
- A. VPC network in the Sales, Marketing, and IT Projects
- B. VPC network in the IT Project
- C. VPC network in all projects
- D. VPC network in the Host Project
Answer: D
NEW QUESTION # 23
You are designing a hybrid cloud environment. Your Google Cloud environment is interconnected with your on-premises network using HA VPN and Cloud Router in a central transit hub VPC. The Cloud Router is configured with the default settings. Your on-premises DNS server is located at 192.168.20.88. You need to ensure that your Compute Engine resources in multiple spoke VPCs can resolve on-premises private hostnames using the domain corp.altostrat.com while also resolving Google Cloud hostnames. You want to follow Google-recommended practices. What should you do?
- A. Create a private forwarding zone in Cloud DNS for 'corp.altostrat.com' called corp-altostrat-com that points to 192.168.20.88. Associate the zone with the hub VPC.
Create a private peering zone in Cloud DNS for 'corp.altostrat.com' called corp-altostrat-com associated with the spoke VPCs, with the hub VPC as the target.
Set a custom route advertisement on the Cloud Router for 35.199.192.0/19.
Create a hub-and-spoke VPN deployment in each spoke VPC to connect back to the on-premises network directly. - B. Create a private forwarding zone in Cloud DNS for 'corp.altostrat.com' called corp-altostrat-com that points to 192.168.20.88.
Associate the zone with the hub VPC. Create a private peering zone in Cloud DNS for 'corp.altostrat.com' called corp-altostrat-com associated with the spoke PCs, with the hub VPC as the target.
Set a custom route advertisement on the Cloud Router for 35.199.192.0/19. - C. Create a private forwarding zone in Cloud DNS for 'corp altostrat.com' called corp-altostrat-com that points to 192. 168.20.88. Associate the zone with the hub VPC.
Create a private peering zone in Cloud DNS for 'corp.altostrat.com' called corp-altostrat-com associated with the spoke VPCs, with the hub VPC as the target.
Sat a custom route advertisement on the Cloud Router for 35.199.192.0/19.
Create a hub and spoke VPN deployment in each spoke VPC to connect back to the hub VPC. - D. Create a private forwarding zone in Cloud DNS for 'corp.altostrat.com' called corp-altostrat-com that points to 192.168.20.88. Associate the zone with the hub VPC.
Create a private peering zone in Cloud DNS for 'corp.altostrat.com' called corp-altostrat-com associated with the spoke VPCs, with the hub VPC as the target.
Set a custom route advertisement on the Cloud Router for 35.199.192.0/19.
Configure VPC peering in the spoke VPCs to peer with the hub VPC.
Answer: D
NEW QUESTION # 24
You decide to set up Cloud NAT. After completing the configuration, you find that one of your instances is not using the Cloud NAT for outbound NAT.
What is the most likely cause of this problem?
- A. The instance is accessible by a load balancer external IP address.
- B. An external IP address has been configured on the instance.
- C. You have created static routes that use RFC1918 ranges.
- D. The instance has been configured with multiple interfaces.
Answer: B
Explanation:
https://www.sovereignsolutionscorp.com/google-cloud-nat/
NEW QUESTION # 25
You need to define an address plan for a future new GKE cluster in your VPC. This will be a VPC native cluster, and the default Pod IP range allocation will be used. You must pre-provision all the needed VPC subnets and their respective IP address ranges before cluster creation. The cluster will initially have a single node, but it will be scaled to a maximum of three nodes if necessary. You want to allocate the minimum number of Pod IP addresses.
Which subnet mask should you use for the Pod IP address range?
- A. /21
- B. /23
- C. /25
- D. /22
Answer: C
Explanation:
Reference:
https://cloud.google.com/kubernetes-engine/docs/how-to/alias-ips
NEW QUESTION # 26
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.
- A. Stackdriver
- B. Apache Airflow
- C. Istio
- D. Cloud Composer
Answer: D
Explanation:
Option B is the Correct choice because, Cloud Composer is a managed Apache Airflow service that helps you create, schedule, monitor and manage workflows.
Option A is Incorrect choice because, you could install Apache Airflow on a VM instance but it would mean you will have to manage the infrastructure.
Option C is Incorrect because, Istio an open platform to connect, monitor, and secure microservices.
Option D is Incorrect because, Stackdriver is a monitoring and management for services, containers, applications, and infrastructure.
NEW QUESTION # 27
Your company has recently expanded their EMEA-based operations into APAC. Globally distributed users report that their SMTP and IMAP services are slow. Your company requires end-to-end encryption, but you do not have access to the SSL certificates.
Which Google Cloud load balancer should you use?
- A. Network load balancer
- B. TCP proxy load balancer
- C. HTTPS load balancer
- D. SSL proxy load balancer
Answer: D
Explanation:
https://cloud.google.com/security/encryption-in-transit/
NEW QUESTION # 28
You have configured a Compute Engine virtual machine instance as a NAT gateway. You execute the following command:
gcloud compute routes create no-ip-internet-route \
--network custom-network1 \
--destination-range 0.0.0.0/0 \
--next-hop instance nat-gateway \
--next-hop instance-zone us-central1-a \
--tags no-ip --priority 800
You want existing instances to use the new NAT gateway. Which command should you execute?
- A. sudo sysctl -w net.ipv4.ip_forward=1
- B. gcloud compute instances add-tags [existing-instance] --tags no-ip
- C. gcloud builds submit --config=cloudbuild.waml --substitutions=TAG_NAME=no-ip
- D. gcloud compute instances create example-instance --network custom-network1 \
--subnet subnet-us-central \
--no-address \
--zone us-central1-a \
--image-family debian-9 \
--image-project debian-cloud \
--tags no-ip
Answer: D
Explanation:
Reference:
https://cloud.google.com/vpc/docs/special-configurations
NEW QUESTION # 29
You successfully provisioned a single Dedicated Interconnect. The physical connection is at a colocation facility closest to us-west2. Seventy-five percent of your workloads are in us-east4, and the remaining twenty-five percent of your workloads are in us-central1. All workloads have the same network traffic profile. You need to minimize data transfer costs when deploying VLAN attachments. What should you do?
- A. Keep the existing Dedicated Interconnect. Deploy a VLAN attachment to a Cloud Router in us-east4, and deploy another VLAN attachment to a Cloud Router in us-central1.
- B. Keep the existing Dedicated interconnect. Deploy a VLAN attachment to a Cloud Router in us-west2, and use VPC global routing to access workloads in us-east4 and us-central1.
- C. Order a new Dedicated Interconnect for a colocation facility closest to us-east4, and use VPC global routing to access workloads in us-central1.
- D. Order a new Dedicated Interconnect for a colocation facility closest to us-central1, and use VPC global routing to access workloads in us-east4.
Answer: C
NEW QUESTION # 30
Your organization has a Google Cloud Virtual Private Cloud (VPC) with subnets in us-east1, us-west4, and europe-west4 that use the default VPC configuration. Employees in a branch office in Europe need to access the resources in the VPC using HA VPN. You configured the HA VPN associated with the Google Cloud VPC for your organization with a Cloud Router deployed in europe-west4. You need to ensure that the users in the branch office can quickly and easily access all resources in the VPC. What should you do?
- A. Configure each subnet's VPN connections to use Cloud VPN to connect to the branch office.
- B. Configure the VPC dynamic routing mode to Global.
- C. Set the advertised routes to Global for the Cloud Router.
- D. Create custom advertised routes for each subnet.
Answer: B
NEW QUESTION # 31
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?
- A. * 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. - B. * 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. - C. * 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. - D. * 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.
Answer: C
Explanation:
Reference:
https://cloud.google.com/kubernetes-engine/docs/how-to/alias-ips
NEW QUESTION # 32
You are designing a Google Kubernetes Engine (GKE) cluster for your organization. The current cluster size is expected to host 10 nodes, with 20 Pods per node and 150 services. Because of the migration of new services over the next 2 years, there is a planned growth for 100 nodes, 200 Pods per node, and 1500 services. You want to use VPC-native clusters with alias IP ranges, while minimizing address consumption.
How should you design this topology?
- A. Use gcloud container clusters create [CLUSTER NAME]to create a VPC-native cluster.
- B. Create a subnet of size/28 with 2 secondary ranges of: /24 for Pods and /24 for Services. Create a VPC- native cluster and specify those ranges. When the services are ready to be deployed, resize the subnets.
- C. Create a subnet of size/25 with 2 secondary ranges of: /17 for Pods and /21 for Services. Create a VPC- native cluster and specify those ranges.
- D. Use gcloud container clusters create [CLUSTER NAME]--enable-ip-aliasto create a VPC-native cluster.
Answer: B
Explanation:
Explanation/Reference: https://cloud.google.com/kubernetes-engine/docs/how-to/private-clusters
NEW QUESTION # 33
......
Exam Details
The qualifying exam for the Google Professional Cloud Network Engineer certification is 2 hours long. The candidates will be dealing with multiple-select and multiple-choice questions during the test. The exam is currently available in English and the applicants can choose the convenient mode of its delivery. They can sit for the test in person at one of the authorized centers. Alternatively, they can ace the exam online from the comfort of their homes or offices. Choosing any of these options, the students are required to pay the registration fee of $200 plus applicable taxes.
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