SNMPv3 (Simple Network Management Protocol version 3) provides device monitoring with authentication and encryption. This enhances network visibility and security by ensuring that monitoring data is securely transmitted and access to network devices is authenticated.
* Authentication: SNMPv3 includes robust mechanisms for authenticating users accessing network devices.
* Encryption: It provides encryption to protect the integrity and confidentiality of the data being transmitted.
* Network Management: SNMPv3 allows for detailed monitoring and management of network devices, ensuring better control and security.
Network References:
* CompTIA Network+ N10-007 Official Certification Guide: Covers SNMP versions, their features, and security enhancements in SNMPv3.
* Cisco Networking Academy: Provides training on implementing and securing SNMP for network management.
* Network+ Certification All-in-One Exam Guide: Explains the benefits and security features of SNMPv3 for network monitoring.

WPA3-Enterprise provides strong security and supports authentication using domain identities through a RADIUS server and 802.1X authentication. This is the best choice for a corporate environment requiring user- based authentication.
WPA3-Enterprise Benefits:
Uses 802.1X with EAP (Extensible Authentication Protocol) to authenticate users via a directory service (e.g., Active Directory).
Eliminates shared passwords (PSK) for authentication.
Provides strong encryption and resistance to brute-force attacks.
Incorrect Options:
A:Enable MAC Security:
MAC filtering is not secure because MAC addresses can be spoofed.
B:Generate a PSK for Each User:
Pre-shared keys (PSK) are used in WPA-Personal, not in an enterprise setting.
Does not scale well in corporate environments.
C:Implement WPS:
Wi-Fi Protected Setup (WPS) is a vulnerable security method meant for home users.
Not suitable for enterprise authentication.

See the answer and solution below:
Explanation:

When a user connects to a VPN and experiences connectivity issues to an external server, the problem is often related to routing or network path issues.
E:tracert:
Traces the path packets take from the user's device to the destination server.
Helps determine if the traffic is being blocked or misrouted.
F:route print:
Displays the device's routing table.
Helps diagnose whether traffic is being sent to the VPN tunnel instead of the correct external server.
Incorrect Options:
A:nslookup: Used for resolving domain names to IPs (DNS troubleshooting), but this issue is likely routing- related.
B:tcpdump: Captures packets for deep packet analysis, not typically the first step in diagnosing a VPN- related access issue.
C:arp: Used for resolving local network MAC addresses, not relevant for external VPN issues.
D:dig: Like nslookup, used for DNS queries, but not useful for routing problems.

A captive portal is a web page that users must view and interact with before being granted access to a network. It is commonly used in guest networks to enforce terms of use agreements. When a user connects to the network, they are redirected to this portal where they must accept the terms of use before proceeding. This method ensures that users are aware of and agree to the network's policies, making it the best choice for this scenario. References: CompTIA Network+ Exam Objectives and official study guides.