CompTIA Updated N10-009 Exam Questions and Answers by kylian

BGP (Border Gateway Protocol) uses an Autonomous System (AS) number for its operations. An AS is a collection of IP networks and routers under the control of a single organization that presents a common routing policy to the Internet. BGP is used to exchange routing information between different ASes on the Internet, making it the only protocol among the listed options that uses an AS number.References: CompTIA Network+ study materials and RFC 4271.

Band steering is a feature in wireless networks that encourages dual-band capable devices to connect to the 5GHz band instead of the 2.4GHz band.

Why Band Steering?

The 5GHz band supports higher speeds and less interference compared to 2.4GHz.

If a device supports both bands, the access point (AP) can "steer" it to connect to 5GHz instead of 2.4GHz.

This helps ensure users always connect to the fastest available network.

Incorrect Options:

B. Disabling the 5GHz SSID: Would force devices onto 2.4GHz, which is slower and more congested.

C. Adding a Captive Portal: Used for guest authentication, not for speed optimization.

D. Configuring MAC Filtering: Used for security, not for optimizing network speed.

A Client-to-Site VPN allows a remote user to securely connect to a company's internal network, providing access as if they were physically on-site.

Comprehensive and Detailed Explanation:

UsingPre-Shared Key (PSK)authentication means thatall users share the same Wi-Fi password, making it difficult toidentify individual userswhen security incidents occur.

Migrating toWPA2-Enterprise(orWPA3-Enterprise) replacesPSK authenticationwithindividual user credentialsusing802.1X authentication and a RADIUS server. This allows the organization to:

Track and log specific user activity

Enforce per-user authentication policies

Improve network security

Breakdown of Options:

A. Restrict users to the 5GHz frequency– Improvesperformancebut doesnot enhance user tracking or security.

B. Upgrade to a mesh network– Amesh network improves coverage,not security tracking.

C. Migrate from PSK to Enterprise–✅Correct answer.WPA2-Enterprise or WPA3-Enterprise usesindividual user authentication,allowing per-user tracking.

D. Implement WPA2 encryption–WPA2 is already widely used; itdoes not resolve the tracking issue.