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NEW QUESTION # 25
A company is expanding its network and needs to ensure improved stability and reliability. The proposed solution must fulfill the following requirements:
* Detection and prevention of network loops
* Automatic configuration of ports
* Standard protocol (not proprietary)
Which of the following protocols is the most appropriate?
- A. STP
- B. BGP
- C. SIP
- D. RTSP
Answer: A
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
STP (Spanning Tree Protocol) is a Layer 2 standard protocol that prevents switching loops in Ethernet networks by creating a loop-free logical topology. It can automatically block and unblock redundant paths based on network changes, ensuring reliability and avoiding broadcast storms.
Relevant Extract from CompTIA CloudNetX CNX-001 Study Guide - under "Ethernet Loop Prevention and Switching Protocols":
"STP is a standard Layer 2 protocol used to detect and prevent network loops, enhancing network stability in switched topologies." Other options:
* B. SIP is a signaling protocol used in VoIP.
* C. RTSP is for media streaming control.
* D. BGP is a routing protocol, not for Layer 2 loop prevention.
NEW QUESTION # 26
An organization wants to evaluate network behavior with a network monitoring tool that is not inline. The organization will use the logs for further correlation and analysis of potential threats. Which of the following is the best solution?
- A. NetFlow to feed into the SIEM
- B. SSL decryption of network packets with preconfigured alerts
- C. SNMP trap with log analytics
- D. Syslog to a common dashboard used in the NOC
Answer: A
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
NetFlow provides flow-level metadata about IP traffic without requiring inline deployment. It summarizes who is talking to whom, for how long, and how much data was exchanged. It's ideal for behavior monitoring and threat detection when sent to a SIEM for correlation and analysis.
Relevant Extract from CompTIA CloudNetX CNX-001 Study Guide - under "NetFlow and Network Telemetry":
"NetFlow provides visibility into traffic patterns, which can be used for anomaly detection and security analysis when integrated with SIEM platforms." Other options:
* A. Syslog shows event-level data, but not network behavior.
* B. SNMP traps monitor device status, not traffic behavior.
* C. SSL decryption is complex and requires inline positioning.
NEW QUESTION # 27
You are designing a campus network with a three-tier hierarchy and need to ensure secure connectivity between locations and traveling employees.
INSTRUCTIONS
Review the command output by clicking on the server, laptops, and workstations on the network.
Use the drop-down menus to determine the appropriate technology and label for each layer on the diagram.
Options may only be used once.
Click on the magnifying glass to make additional configuration changes.
If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.
Answer:
Explanation:
NEW QUESTION # 28
A company is transitioning from on premises to a hybrid environment. Due to regulatory standards, the company needs to achieve a high level of reliability and high availability for the connection between its data center and the cloud provider. Which of the following solutionsbestmeets the requirements?
- A. Establish a Direct Connect with the cloud provider and peer to two different VPCs in the cloud network.
- B. Establish a VPN with two tunnels to a transit gateway at the cloud provider.
- C. Establish two Direct Connect connections to the cloud provider using two different suppliers.
- D. Establish a Direct Connect with the cloud provider and a redundant connection with a VPN over the internet.
Answer: C
Explanation:
By provisioning two dedicated Direct Connect circuits from separate carriers (diverse physical paths and providers), you achieve a true highly available, fault-tolerant link that meets stringent reliability and regulatory requirements without relying on the public internet.
NEW QUESTION # 29
A company hosts its application s on the cloud and is expanding its business to Europe. The company must comply with General Data Protection Regulation to limit European customers' access to data. The network team configures the firewall rules but finds that some customers in the United States can access data hosted in Europe. Which of the following is the best option for the network team to configure?
- A. Network security groups
- B. CDN
- C. SASE
- D. Geofencing rule
Answer: D
Explanation:
Using a geofencing (geo#restriction) policy lets you block or allow traffic based on the client's geographic location. This ensures that only users in approved regions (e.g., the United States) can reach the European- hosted data, effectively preventing unintended European customer access without complex IP ACLs.
NEW QUESTION # 30
A network engineer is designing a Layer 2 deployment for a company that occupies several floors in an office building. The engineer decides to make each floor its own VLAN but still allow for communication between all user VLANs. The engineer also wants to reduce the time necessary for STP convergence to occur when new switches come online. Which of the following should the engineer enable to accomplish this goal?
- A. Portfast
- B. Priority
- C. Tagging
- D. BPDU Guard
Answer: A
Explanation:
Enabling PortFast on access ports lets them immediately enter the forwarding state, skipping the STP listening
/learning timers, and dramatically speeds up convergence when switches or end-stations come online.
NEW QUESTION # 31
A network engineer at an e-commerce organization must improve the following dashboard due to a performance issue on the website:
Which of the following is themostuseful information to add to the dashboard for the operations team's?
- A. 404 errors
- B. Concurrent users
- C. Number of active incidents
- D. Number of orders
Answer: B
Explanation:
Adding a concurrent-user count gives you the key context you're missing: it ties spikes in CPU, memory, disk I/O, and network traffic directly to how many people are actively hitting the site. You can then see whether performance issues align with increases in user load, enabling more targeted capacity planning and troubleshooting.
NEW QUESTION # 32
A cloud network engineer needs to enable network flow analysis in the VPC so headers and payload of captured data can be inspected. Which of the following should the engineer use for this task?
- A. Network flows
- B. Traffic mirroring
- C. Application monitoring
- D. Syslog service
Answer: B
Explanation:
VPC Traffic Mirroring lets you capture copies of inbound and outbound network traffic, full packet headers and payload, and send them to appliances or analysis tools for deep inspection, which goes beyond the metadata provided by standard flow logs.
NEW QUESTION # 33
Security policy states that all inbound traffic to the environment needs to be restricted, but all external outbound traffic is allowed within the hybrid cloud environment. A new application server was recently set up in the cloud. Which of the following would most likely need to be configured so that the server has the appropriate access set up? (Choose two.)
- A. Port security
- B. Screened subnet
- C. IPS
- D. Firewall
- E. Network security group
- F. Application gateway
Answer: D,E
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
To meet the requirement of restricting inbound traffic and allowing outbound traffic, two components are most appropriate:
D: Firewall - A firewall enforces ingress and egress traffic policies. It can be configured to deny all inbound traffic by default and allow all outbound traffic, meeting the security policy requirement.
E: Network Security Group (NSG) - In cloud environments such as Azure, NSGs serve as virtual firewalls at the subnet or interface level. NSGs allow you to define rules that block or allow inbound and outbound traffic, and they are the preferred method for enforcing network access rules for cloud resources.
Relevant Extract from CompTIA CloudNetX CNX-001 Study Guide - under "Cloud Network Security Configuration":
"Network security groups and firewalls are key to enforcing inbound and outbound traffic restrictions in hybrid and public cloud environments."
"NSGs are used to define network access control policies for cloud resources at the subnet or NIC level." Other options:
* A. Application gateway controls HTTP/S traffic at Layer 7 but does not manage full access policy.
* B. IPS detects/prevents malicious behavior but is not primarily used for general traffic restriction.
* C. Port security restricts MAC addresses on switch ports, applicable in LANs, not cloud.
* F. A screened subnet (DMZ) can provide additional isolation but is not required for basic traffic control.
NEW QUESTION # 34
A network administrator is troubleshooting a user's workstation that is unable to connect to the company network. The results of ipconfig and arp -a are shown. The user's workstation:
A router on the same network shows the following output:
* Has an IP address of 10.21.12.8
* Has subnet mask 255.255.255.0
* Default gateway is 10.21.12.254
* ARP table shows 10.21.12.8 mapped to 1A-21-11-31-74-4C (a different MAC address than the local adapter)
- A. Broadcast storm
- B. DHCP server down
- C. Asynchronous routing
- D. IP address conflict
Answer: D
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
The local machine has the IP address 10.21.12.8 and the physical address 1A-21-11-33-44-5A.However, the ARP table shows that 10.21.12.8 is mapped to a different MAC address (1A-21-11-31-74-4C), meaning another device on the network is responding to ARP requests for the same IP. This is a clear sign of an IP address conflict, which would prevent the workstation from functioning properly on the network.
Relevant Extract from CompTIA CloudNetX CNX-001 Study Guide - under "Troubleshooting IP Addressing Issues":
"An IP conflict occurs when two devices on the same network are assigned the same IP address. Symptoms include connectivity loss, duplicate ARP entries, and inconsistent routing behavior." Other options:
* A. Asynchronous routing refers to packets taking different return paths, which is unrelated to ARP inconsistencies.
* C. DHCP server issues would affect IP assignment but are not indicated here - the workstation has an IP address assigned.
NEW QUESTION # 35
A company is experiencing numerous network issues and decides to expand its support team. The new junior employees will need to be onboarded in the shortest time possible and be able to troubleshoot issues with minimal assistance. Which of the following should the company create to achieve this goal?
- A. Physical and logical network diagrams of the entire networking infrastructure
- B. Clearly documented runbooks for networking issues and knowledge base articles
- C. A mentor program for guiding each junior employee until they are familiar with the networking infrastructure
- D. Statement of work documenting what each junior employee should do when troubleshooting
Answer: B
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
Runbooks and knowledge base articles provide step-by-step instructions for resolving common issues, helping new employees quickly become productive with minimal supervision. These documents can be updated as new issues arise and serve as a foundational training and operational resource.
Relevant Extract from CompTIA CloudNetX CNX-001 Study Guide - under "Operational Documentation and Knowledge Transfer":
"Runbooks contain standardized procedures for handling recurring operational tasks. Knowledge base articles enable consistent troubleshooting and resolution with minimal oversight." Other options:
* A. A Statement of Work (SOW) is used for defining project deliverables, not training.
* C. Network diagrams are useful for understanding architecture, but not for operational procedures.
* D. A mentor program can help, but it doesn't scale or provide immediate troubleshooting steps.
NEW QUESTION # 36
A cloud architect needs to change the network configuration at a company that uses GitOps to document and implement network changes. The Git repository uses main as the default branch, and the main branch is protected. Which of the following should the architect do after cloning the repository?
- A. Check out the development branch, then perform and commit the changes back to the remote repository.
- B. Rebase the remote main branch after making the changes to implement.
- C. Create a new branch for the change, then create a pull request including the changes.
- D. Use the main branch to make and commit the changes back to the remote repository.
Answer: C
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
With GitOps, all infrastructure changes are tracked as code and committed to version-controlled repositories.
When the main branch is protected, changes should not be committed directly. Instead, best practices require that a new feature or change branch be created, followed by a pull request (PR) for peer review and approval before merging into the protected branch.
Relevant Extract from CompTIA CloudNetX CNX-001 Study Guide - under "Infrastructure as Code and GitOps":
"In GitOps workflows, changes are made in feature branches, reviewed via pull requests, and merged into protected branches only after validation, ensuring auditability and control over infrastructure deployments." Other options:
* A. Direct commits to protected branches are restricted and violate GitOps practices.
* C. The development branch may exist, but the question specifies main is the default, and the correct process requires a PR.
* D. Rebase is for integrating histories, not submitting approved changes.
NEW QUESTION # 37
An organization's Chief Technical Officer is concerned that changes to the network using IaC are causing unscheduled outages. Which of the following best mitigates this risk?
- A. Making code changes to the master branch
- B. Forking the code repository before making changes
- C. Enforcing code review of the change by the author
- D. Adding review/approval steps to the CI/CD pipelines
Answer: D
Explanation:
Introducing mandatory review and approval gates in your deployment pipelines ensures that every Infrastructure-as-Code change is peer-reviewed, tested, and explicitly signed off before going live, reducing the chance of unvetted code causing unexpected outages.
NEW QUESTION # 38
Application development team users are having issues accessing the database server within the cloud environment. All other users are able to use SSH to access this server without issues. The network architect reviews the following information to troubleshoot the issue:
IPAM information:
Traceroute output from an application developer's machine with the assigned IP 192.168.2.7:
Which of the following is themostlikely cause of the issue?
- A. The server segment firewall is dropping the traffic.
- B. The server segment gateway is having bandwidth issues.
- C. Network security groups do not have the correct outbound rule configured.
- D. The core firewall is blocking the traffic.
Answer: A
Explanation:
The traceroute from 192.168.2.7 reaches the server-segment gateway (192.168.1.1) and then the server- segment firewall (192.168.4.1), but never progresses to the database's subnet. That indicates the firewall at
192.168.4.1 is blocking or not forwarding packets to 192.168.1.9.
NEW QUESTION # 39
An application is hosted on a three-node cluster in which each server has identical compute and network performance specifications. A fourth node is scheduled to be added to the cluster with three times the performance as any one of the preexisting nodes. The network architect wants to ensure that the new node gets the same approximate number of requests as all of the others combined. Which of the following load- balancing methodologies should the network architect recommend?
- A. Round-robin
- B. Least connections
- C. Load-based
- D. Weighted
Answer: D
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
Weighted load balancing allows distribution of traffic based on server capacity or assignedweights. In this case, the new node should receive a weight of 3, and each of the three older nodes a weight of 1. This ensures the new node handles the same total number of requests as the other three combined (3:1:1:1).
Relevant Extract from CompTIA CloudNetX CNX-001 Study Guide - under "Load Balancing Algorithms and Traffic Distribution":
"Weighted load balancing accounts for node capacity, distributing requests proportionally according to performance capability or administrator-defined weights." Other options:
* A. Round-robin sends traffic equally to all servers regardless of capacity.
* B. Load-based requires dynamic performance measurement and is more complex.
* C. Least connections may work in certain cases, but doesn't guarantee proportional traffic split based on server performance.
NEW QUESTION # 40
A company hosts its applications on the cloud and is expanding its business to Europe. Thecompany must comply with General Data Protection Regulation (GDPR) to limit European customers' access to data. The network team configures the firewall rules but finds that some customers in the United States can access data hosted in Europe. Which of the following is the best option for the network team to configure?
- A. Network security groups
- B. CDN
- C. SASE
- D. Geofencing rule
Answer: D
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
Geofencing allows enforcement of access policies based on the geographic location of the user's IP address.
To comply with GDPR and control access based on user region, geofencing should be implemented to restrict or permit access to resources hosted in specific regions like Europe.
Relevant Extract from CompTIA CloudNetX CNX-001 Study Guide - under "Data Sovereignty and Regional Access Control":
"Geofencing enables organizations to restrict access to data or services based on geographic IP address, aiding in GDPR and other compliance frameworks." Other options:
* A. SASE is a broader framework, not a direct access control mechanism.
* B. NSGs operate at subnet/NIC level and do not interpret geolocation.
* C. CDNs cache data globally but don't control access by region directly.
NEW QUESTION # 41
A company is transitioning from on-premises to a hybrid environment. Due to regulatory standards, the company needs to achieve a high level of reliability and high availability for the connection between its data center and the cloud provider. Which of the following solutions best meets the requirements?
- A. Establish a Direct Connect with the cloud provider and peer to two different VPCs in the cloud network.
- B. Establish a VPN with two tunnels to a transit gateway at the cloud provider.
- C. Establish two Direct Connect connections to the cloud provider using two different suppliers.
- D. Establish a Direct Connect with the cloud provider and a redundant connection with a VPN over the internet.
Answer: C
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
Establishing two Direct Connect (or equivalent private connectivity services such as Azure ExpressRoute) connections with two different providers ensures maximum redundancy and reliability. This setup complies with high availability (HA) and fault-tolerance design best practices for regulated industries, where minimal downtime and service continuity are critical.
Relevant Extract from CompTIA CloudNetX CNX-001 Study Guide - under "Hybrid Connectivity and High Availability":
"Redundant connections to cloud providers should use physically separate paths and providers to ensure fault tolerance and meet reliability requirements in hybrid cloud environments."
"Direct connections provide higher availability and consistent performance than VPNs." Other options:
* A. Peering to two VPCs does not ensure link redundancy.
* B. Combining Direct Connect with VPN offers backup but less reliability than dual Direct Connects.
* D. VPNs over the internet are lower in reliability and do not meet high availability standards required for regulated industries.
NEW QUESTION # 42
An outage occurred after a software upgrade on core switching. A network administrator thinks that the firmware installed had a bug. Which of the following should the network administrator do next?
- A. Implement the solution.
- B. Establish a plan of action to resolve the issue.
- C. Document lessons learned.
- D. Test the theory to determine cause.
Answer: D
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
According to the structured troubleshooting methodology outlined in the CNX-001 objectives, once a potential root cause is identified (in this case, a suspected firmware bug), the next step is to test the theory to confirm the cause before taking action. This helps prevent misdiagnosis and unnecessary configuration changes.
Relevant Extract from CompTIA CloudNetX CNX-001 Study Guide - under "Structured Troubleshooting Methodology":
"After identifying symptoms and forming a theory of probable cause, the next step is to test the theory to verify it is the actual cause of the problem." Other options:
* A. Establishing a plan of action comes after confirming the cause.
* C. Documenting lessons learned is the final step.
* D. Implementing the solution should only occur after the issue is confirmed.
NEW QUESTION # 43
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