Professional-Cloud-Network-Engineer Certification Test Questions - Professional-Cloud-Network-Engineer Exams Training

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Preparation Process

There is a host of study materials available on the Internet that the candidates can leverage to prepare for the Google Professional Cloud Network Engineer certification exam. However, if you want to be sure of the authenticity of the resources that you use, it is best to refer to the official platform. The first step in your preparation for the qualifying test should be the review of its guide. This document contains a detailed outline of the topics and subtopics that will be covered in the exam. The understanding of these will help you allocate your study time efficiently.

The Professional Network Engineer learning path offered on the certification website must be one of the most effective training tools. This is a combination of lessons and practical labs for comprehensive coverage of the exam content. You can also use the official sample questions as a final stage of your preparation. These will provide you with an idea of the question formats. Using the sample questions, you can also measure your current level of preparedness for the certification test.

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Manage & Monitor Network Operations

In this part of the exam content, the students should be able to log and monitor with the use of GCP Console or Stackdriver. They must have competence in the management and maintenance of security, which includes firewalls and diagnosing & resolving IAM problems. Besides that, they need to be able to deal with the following objective:

Maintain & Troubleshoot Connectivity Issues: It includes the identification of traffic flow topology, redirecting and draining of traffic flows, and cross-connect hand-off for interconnect. It also measures one’s knowledge of the monitoring of egress and ingress traffic with the use of flow logs as well as monitoring firewall logs. This section will also evaluate the learners’ skills in troubleshooting and managing VPNs and troubleshooting peering issues with Cloud Router BGP.

The applicants should also demonstrate competence in troubleshooting, monitoring, and maintaining traffic flow and latency, which include routing issues, network latency testing & throughput, and tracing traffic flow.

Google Cloud Certified - Professional Cloud Network Engineer Sample Questions (Q42-Q47):

NEW QUESTION # 42
Your organization has implemented Vertex AI online prediction in your Google Cloud environment, which is in the us-central1 region. Online prediction is available through private services access by using the IP CIDR range of 172.16.53.0/24. You need to configure access to Vertex AI without affecting the existing routes. You want to use the VLAN attachments that are located in the us-west1 region as primary. The interconnect VLAN attachments in the us-west2 region can only be used as a backup. What should you do?

A. Create a custom route advertisement on VLAN attachments in the us-west1 region for prefix
172.16.53.0/24, and create a BGP route-policy to set the multi-exit discriminator (MED) to 100.
Create a custom route advertisement on VLAN attachments in the us-west2 region for prefix
172.16.53.0/24, and create a BGP route-policy to set the multi-exit discriminator (MED) to 200.
B. Create a custom route advertisement on VLAN attachments in the us-west1 region for prefix
172.16.53.0/24. Create a custom route advertisement on VLAN attachments in the us-west2 region for prefix 172.16.53.0/24.
C. Create a custom route advertisement on VLAN attachments in the us-west1 region for prefix
172.16.53.0/24, and set the route priority on the BGP session as 100. Create a custom route advertisement on VLAN attachments in the us-west2 region for prefix 172.16.53.0/24, and set the route priority on the BGP session as 200.
D. Create a custom learned route on VLAN attachments in the us-west1 region for prefix
172.16.53.0/24, and set the route priority on the BGP session as 100. Create a custom route advertisement on VLAN attachments in the us-west2 region for prefix 172.16.53.0/24, and set the route priority on the BGP session as 200.

Answer: C

Explanation:
To configure access to Vertex AI online prediction (via private services access) while designating a primary and backup region for interconnect VLAN attachments:
1. Custom route advertisements: Advertise the prefix 172.16.53.0/24 on the VLAN attachments in both us-west1 (primary) and us-west2 (backup) regions. This ensures that the prefix for private services access is known in your on-premises environment.
2. Set BGP route priority: The BGP priority determines the preferred path for traffic.
- Assign a lower priority value (e.g., 100) for the primary region (us-west1).
- Assign a higher priority value (e.g., 200) for the backup region (us-west2).
BGP always selects the route with the lowest priority value, ensuring that traffic flows through us- west1 as the primary path. If the us-west1 interconnect becomes unavailable, traffic will automatically fail over to us-west2.

NEW QUESTION # 43
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 the default time to live (TTL) as O for the image file.
B. Configure custom cache keys for the backend service that holds the image file, and clear the Host and Protocol checkboxes-
C. Configure versioned IJRLs for each domain to serve users the *mage file before the cache entry expires
D. Configure Cloud Storage as a custom origin backend to host the image file, and select multi-region as the location type

Answer: B

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

NEW QUESTION # 44
You want to configure load balancing for an internet-facing, standard voice-over-IP (VOIP) application.
Which type of load balancer should you use?

A. Internal TCP/UDP load balancer
B. Network load balancer
C. TCP/SSL proxy load balancer
D. HTTP(S) load balancer

Answer: B

NEW QUESTION # 45
You have installed Apache Tomcat 8.X on a compute engine in google cloud on port 8085 and you have also installed Jenkins on the same machine on a custom port .You have created a firewall rule that allows traffic to port 8085 .You can see the Apache Tomcat page when you browse X.X.X.X:8085 , but when you browse X.X.X.X:custom port , the Jenkins page doesn't load . What could be the possible solution? Please select the right choice.

A. Create a firewall rule; select the correct network and select the target as all instances in the network and specify the custom port and protocol.
B. Create a firewall rule; select the correct subnet which has the compute engine and allow all protocols and ports .
C. Create a firewall rule; select the correct network , create a target tag and attach the tag to the compute engine instance and allow traffic to custom port that is mapped with Jenkins.
D. Create a firewall rule; select the correct subnet , create a target tag attach it to the compute engine instance and allow all protocols and ports.

Answer: C

Explanation:
Option B is the Correct choice because, creating a tag and attaching it to the compute engine instance and also allowing traffic to custom port is is less permissive.
Option A is Incorrect because , selecting the target as all instances in the network allows traffic to all instances .
Option C is Incorrect because allowing all protocols and ports is a security scare and always follow principle of least permissive.
Option D is Incorrect because, allowing all protocols and ports could lead to a security disaster, always follow the principle of least permissive.

NEW QUESTION # 46
You recently deployed Cloud VPN to connect your on-premises data canter to Google Cloud. You need to monitor the usage of this VPN and set up alerts in case traffic exceeds the maximum allowed. You need to be able to quickly decide whether to add extra links or move to a Dedicated Interconnect. What should you do?

A. In the Google Cloud Console, use Monitoring Query Language to create a custom alert for bandwidth utilization.
B. In the Network Intelligence Canter, check for the number of packet drops on the VPN.
C. In the VPN section of the Google Cloud Console, select the VPN under hybrid connectivity, and then select monitoring to display utilization on the dashboard.
D. In the Monitoring section of the Google Cloud Console, use the Dashboard section to select a default dashboard for VPN usage.

Answer: B

NEW QUESTION # 47
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