CompTIA Updated N10-009 Exam Questions and Answers by aleena

A split-tunnel VPN allows some traffic to be routed through the VPN while other traffic goes directly to the internet. This setup offers several advantages, with a primary one being cost-effectiveness due to cloud-based traffic not consuming company bandwidth.

Bandwidth Utilization: Split-tunnel VPNs reduce the amount of traffic passing through the company ' s network, freeing up bandwidth for other uses.

Performance: By allowing internet-bound traffic to bypass the VPN, it can reduce latency and improve the performance for users accessing cloud services directly.

Cost Savings: Reduced load on the company ' s VPN infrastructure can lead to lower costs in terms of both hardware and bandwidth.

Network References:

CompTIA Network+ N10-007 Official Certification Guide: Covers VPN types, including split-tunnel configurations and their advantages.

Cisco Networking Academy: Discusses VPN technologies and the benefits of split-tunneling.

Network+ Certification All-in-One Exam Guide: Provides detailed information on VPN setups, including the cost-effectiveness of split-tunnel VPNs.

By allowing cloud-based traffic to flow outside the company’s network, a split-tunnel VPN optimizes resource usage and enhances the overall network performance without incurring extra costs for bandwidth.

The correct answer is A. IaC. Infrastructure as Code is used to define and deploy infrastructure through templates, configuration files, or code rather than building everything manually. During a cloud migration, that approach helps keep deployments consistent across environments and reduces the chance of human error.

This fits the question especially well because it mentions consistency, reliability, and efficiency in both provisioning and management. Those are exactly the kinds of benefits IaC is meant to provide. Instead of configuring servers, networks, and services one by one, administrators can reuse tested deployment definitions and apply the same settings repeatedly. That makes rollouts faster and easier to audit.

The other options do not match the task. A CDN improves content delivery performance. SASE is a networking and security architecture. ZTA focuses on access control and trust decisions. All of those are important in the right context, but none is primarily a provisioning and management automation tool.

In a cloud migration, the organization usually wants repeatable builds, standardization, and faster recovery if something has to be recreated. That is why IaC is the strongest answer here. It directly supports automated, dependable, and scalable infrastructure deployment.

The correct answer is ACL (Access Control List). According to the CompTIA Network+ N10-009 objectives, ACLs are a fundamental and cost-effective method for controlling traffic flow at routers and firewalls. An ACL allows administrators to permit or deny traffic based on source IP address, destination IP address, protocol, or port number.

In this scenario, the suspicious traffic is identified as originating from a specific unknown foreign IP address. The most direct and economical mitigation strategy is to configure an ACL rule that denies traffic from that specific IP address (or subnet) at the network perimeter. This approach leverages existing network infrastructure without requiring additional hardware or licensing costs.

An IDS (Intrusion Detection System) monitors and alerts on malicious activity but does not actively block traffic unless paired with IPS functionality, and it may involve additional cost and complexity. NAT is used for address translation and does not provide traffic filtering based on threat intelligence. DoS prevention solutions are typically more advanced, specialized, and costly, often intended for large-scale distributed denial-of-service attacks rather than blocking traffic from a single suspicious IP.

The Network+ objectives emphasize implementing layered security controls, starting with simple and effective measures. In this case, applying an ACL at the firewall or router is the most cost-efficient and immediate method to mitigate the identified threat.

In data centers, hot aisle/cold aisle configurations are used to manage airflow and cooling efficiency. Port-side exhausts should be oriented towards the warm aisle to expel hot air and maintain optimal cooling. The document clarifies:

“Equipment with port-side exhausts should be oriented towards the warm aisle to ensure that hot air is properly directed away from the cold air intake areas. This alignment supports effective cooling in data center environments.”