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A network engineer is completing a wireless installation in a new building. A requirement is that all clients be able to automatically connect to the fastest supported network. Which of the following best supports this requirement?
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.
CompTIA Network+ N10-009 Official Study Guide -- Chapter on Wireless Technologies and Optimization
A network administrator performed upgrades on a server and installed a new NIC to improve performance. Following the upgrades, usera are unable to reach the server. Which of the following is the most likely reason.
When a network administrator installs a new Network Interface Card (NIC) and users are unable to reach the server, one of the common issues is the use of an incorrect cable type. Network cables must match the specifications required by the NIC and the network infrastructure (e.g., Cat5e, Cat6 for Ethernet).
NIC Compatibility: The new NIC might require a specific type of cable to function properly. Using a cable not rated for the NIC's required speeds or capabilities can result in connectivity issues.
Cable Standards: Different NICs and network devices might need different cabling standards (straight-through vs. crossover cables, or specific fiber optic types).
Connection Types: Ensuring that the cable connectors are appropriate for the NIC ports (e.g., RJ45 for Ethernet, LC connectors for fiber optics).
Network Reference:
CompTIA Network+ N10-007 Official Certification Guide: Discusses network cabling standards and NIC specifications.
Cisco Networking Academy: Provides insights into cabling and NIC configurations for optimal network performance.
Network+ Certification All-in-One Exam Guide: Offers comprehensive details on troubleshooting network connectivity issues, including cabling problems.
A network administrator is configuring a new switch and wants to ensure that only assigned devices can connect to the switch. Which of the following should the administrator do?
A network administrator wants users to be able to authenticate to the corporate network using a port-based authentication framework when accessing both wired and wireless devices. Which of the following is the best security feature to accomplish this task?
802.1X is a port-based network access control (PNAC) protocol that provides an authentication mechanism to devices wishing to connect to a LAN or WLAN. It is widely used for secure network access, ensuring that only authenticated devices can access the network, whether they are connecting via wired or wireless means. 802.1X works in conjunction with an authentication server, such as RADIUS, to validate the credentials of devices trying to connect.Reference: CompTIA Network+ study materials.
A user connects to a corporate VPN via a web browser and is able to use TLS to access the internal financial system to input a time card. Which of the following best describes how the VPN is being used?
