802.11ax is the latest WiFi standard that improves WiFi performance in densely populated environments and supports both 2.4 GHz and 5 GHz bands. 802.11ac is the previous standard that only supports 5 GHz band. 802.11g and 802.11n are older standards that support 2.4 GHz band only or both bands respectively. Reference: https://partners.comptia.org/docs/default-source/resources/comptia-network-n10-008-exam-objectives-(2-0), https://www.techtarget.com/searchnetworking/tip/Whats-the-difference-between-80211ax-vs-80211ac

QUE rogue access point is an unauthorized wireless device that is connected to a network without the knowledge or consent of the network administrator12. It can provide unauthorized access to internal resources, bypass security policies, and expose the network to various attacks12.
A hidden SSID is a wireless network name that is not broadcasted by the access point. It is intended to increase security by preventing unauthorized users from discovering the network, but it can also be used by rogue access points to avoid detection3 .
A wireless bridge is a device that connects two or more wireless networks or segments. It can extend the range of a wireless network, but it can also be used by rogue access points to connect to the corporate LAN .
Therefore, the scenario described in the question is an example of a rogue access point attack, where an unapproved wireless bridge is connected to the corporate LAN and broadcasts a hidden SSID, providing unauthenticated access to internal resources.
The other options are not correct because:
An evil twin is a malicious access point that mimics a legitimate one, usually by using the same SSID and security settings. It is used to trick users into connecting to the fake network and steal their credentials or data . This is different from a rogue access point, which does not necessarily impersonate a legitimate network, but rather creates a new one2.
ARP spoofing is a technique that allows an attacker to intercept or modify network traffic by sending fake ARP messages that associate their MAC address with an IP address of another host or device. It is used to perform man-in-the-middle attacks, denial-of-service attacks, or session hijacking . This is different from a rogue access point, which does not involve ARP messages or MAC address spoofing2.
VLAN hopping is a technique that allows an attacker to access or send traffic to a VLAN that they are not authorized to. It can be done by exploiting misconfigured switches, trunk ports, or tagging protocols . This is different from a rogue access point, which does not involve VLANs or switches2.
Reference:
1: Rogue Access Points and Evil Twins - Baeldung
2: Whats the difference between an evil twin and a rogue access point? - Information Security Stack Exchange
3: What is a Hidden SSID? - How-To Geek
4: How to Find Hidden & Saved Passwords in Windows - Lifewire
5: What is a Wireless Bridge? - Linksys
6: How to Set Up a Wireless Bridge - PCMag
7: What is an Evil Twin Attack? - Norton
8: Which attack is more dangerous: Evil Twin or ARP spoofing? - Information Security Stack Exchange
9: What is ARP Spoofing? - Palo Alto Networks
10: How to Prevent ARP Spoofing - Cloudflare
11: What is VLAN Hopping? - Cisco
12: How to Prevent VLAN Hopping Attacks - Pluralsight
STION 398 A network security engineer locates an unapproved wireless bridge

Change management is the process of planning, implementing, and documenting changes to the network infrastructure, software, hardware, or configuration. It involves the following steps:
Requesting a change: A change request is a formal document that describes the proposed change, the reason for it, the expected benefits, the potential risks, and the estimated costs and resources.
Reviewing and approving a change: A change review board (CRB) or a change advisory board (CAB) is a group of stakeholders who evaluate the change request and decide whether to approve, reject, or modify it. The CRB or CAB may also prioritize the change request based on its urgency, impact, and feasibility.
Scheduling and implementing a change: A change schedule is a calendar that shows when the approved changes will be executed. A change window is a specific time slot allocated for performing the change, usually during off-peak hours or maintenance periods. A change rollback plan is a contingency plan that outlines how to restore the network to its previous state in case of failure or unexpected results.
Testing and validating a change: A change test plan is a set of procedures and criteria that verify the functionality, performance, and security of the network after the change. A change validation plan is a set of metrics and feedback mechanisms that measure the effectiveness and satisfaction of the change.
Documenting and communicating a change: A change log is a record of all the changes made to the network, including the date, time, description, status, and outcome of each change. A change notification is a message that informs the affected users, customers, and vendors about the change, its purpose, its impact, and its duration.
Change management is used to enforce and schedule critical updates with supervisory approval and include backup plans in case of failure because it ensures that the updates are aligned with the business objectives, comply with the security policies, minimize the disruption and downtime, and improve the network performance and reliability.
Reference:
[CompTIA Network+ N10-008 Certification Study Guide], Chapter 5: Network Operations, Section 5.2: Change Management, pp. 269-271
[Professor Messer's CompTIA N10-008 Network+ Course Notes], Section 5.2: Change Management, p. 68
[Professor Messer's CompTIA N10-008 Network+ Training Course], Video 5.2: Change Management, 12:31 minutes

The correct port available for connecting to a SQL database via command-line interface is D. 1521. Port 1521 is the default port for Oracle Database connections using the Oracle Net Services (SQL*Net) protocol.
Port 143: This is used for IMAP (Internet Message Access Protocol) communication.
Port 445: This is used for Microsoft's SMB (Server Message Block) protocol (file and printer sharing).
Port 993: This is used for secure IMAP (IMAPS) communication.
Port 1521: This is the default port for Oracle Database connections using the Oracle Net Services (SQL*Net) protocol.

Subinterfaces are logical divisions of a physical interface that allow a router to communicate with multiple networks using a single LAN port. Subinterfaces can have different IP addresses, VLANs, and routing protocols. They are useful for reducing the number of physical interfaces and cables needed, as well as improving network performance and security.
Reference:
Subinterfaces - CompTIA Network+ N10-008 Domain 1.21 - YouTube1
CompTIA Network+ Certification Exam Objectives, page 92