Explanation
An acceptable use policy (AUP) is a set of rules that outline the proper and improper use of an organization's resources, such as its videoconferencing solution. An AUP can provide guidance to employees about what is expected of them when using the organization's videoconferencing solution, including restricting non-business access to it.

Explanation
The most likely frequency range that the network consultant will have to support is 2.4GHz. This is because the most common legacy wireless standards, 802.11b and 802.11g, use the 2.4GHz range1. IEEE 802.11a uses
5GHz exclusively, and 5.9GHz and 6GHz are not widely used by legacy equipment. Therefore, A. 2.4GHz is the correct answer.
https://www.networkcomputing.com/networking/wireless-beginners-part-1-rf-and-waves

A layer 3 switch is a device that can perform both switching and routing functions. It can forward packets based on the destination IP address, which is the information used to identify different subnetworks. A layer 3 switch can also create and manage multiple VLANs, which are logical subnetworks within a physical network. Therefore, a layer 3 switch can allow communication between two different subnetworks.
A router is a device that connects multiple IP networks and forwards packets based on the destination IP address. A router can also perform network address translation (NAT), which allows devices with private IP addresses to communicate with devices with public IP addresses. Therefore, a router can allow communication between two different subnetworks, especially if they use different address spaces.
An IDS (intrusion detection system) is a device that monitors network traffic and detects malicious or anomalous activities. An IDS does not forward packets or allow communication between subnetworks, but rather alerts the network administrator or takes preventive actions when a threat is detected.
An access point is a device that allows wireless devices to connect to a wired network. An access point does not forward packets or allow communication between subnetworks, but rather acts as a bridge between the wireless and wired segments of the network.
A layer 2 switch is a device that forwards frames based on the destination MAC address, which is the information used to identify devices within the same subnetwork. A layer 2 switch does not perform routing or network segmentation, and therefore cannot allow communication between different subnetworks.
A media converter is a device that converts signals between different types of media, such as copper and fiber. A media converter does not forward packets or allow communication between subnetworks, but rather enables devices with different physical interfaces to connect to the same network.
Reference:
Network Devices
Routing and Switching Essentials
CompTIA Network+ N10-008 Study Guide, Chapter 2: Devices and Infrastructure, pages 58-63, 72-75.

LC (local connector) is the most likely fiber connector type to be used on a network interface card, because it is a small form factor connector that can fit more interfaces on a single card. LC connectors use square connectors that have a locking mechanism on the top, similar to an RJ45 copper connector. LC connectors are also compatible with SFP (small form-factor pluggable) modules that are often used to link a gigabit Ethernet port with a fiber network12.
References:
* Optical Fiber Connectors - CompTIA Network+ N10-007 - 2.11
* CompTIA Network+ Certification Exam Objectives2