Free Practice Questions for CompTIA N10-009 Exam

An evil twin attack is when an attacker sets up a rogue access point (AP) with the same SSID as a legitimate one to trick users into connecting. Once users connect, attackers often present fake login pages or capture unencrypted session data to steal login credentials.

A. DNS poisoning manipulates DNS resolution but is not inherent to evil twin.

C. ARP spoofing is a Layer 2 attack involving MAC/IP mapping manipulation.

D. Denial of service can be a side effect but is not the primary objective of evil twin attacks.

The main purpose of an evil twin is credential theft, enabling further unauthorized access to networks or systems.

References (CompTIA Network+ N10-009):

Domain: Network Security — Wireless attacks, rogue APs, evil twins.

Understanding End-of-Support:

End-of-Support Status: When a vendor declares a device as end-of-support, it means the device will no longer receive updates, patches, or technical support. This poses a security risk as new vulnerabilities will not be addressed.

Risks of Keeping an End-of-Support Device:

Security Vulnerabilities: Without updates, the switch becomes susceptible to new security threats.

Compliance Issues: Many regulatory frameworks require that critical infrastructure be maintained with supported and secure hardware.

Best Next Step - Replacement:

Decommission and Replace: The most secure approach is to replace the end-of-support switch with a new, supported model. This ensures the infrastructure remains secure and compliant with current standards.

Planning and Execution: Plan for the replacement by evaluating the network ' s needs, selecting a suitable replacement switch, and scheduling downtime for the hardware swap.

Comparison with Other Options:

Apply the Latest Patches: While helpful, this does not address future vulnerabilities since no further patches will be provided.

Ensure the Current Firmware Has No Issues: This is only a temporary measure and does not mitigate future risks.

Isolate the Switch from the Network: Isolating the switch may disrupt network operations and is not a viable long-term solution.

Dual stack is the most appropriate technology because it allows a device, network, or service to support IPv4 and IPv6 at the same time. In a dual-stack environment, systems can communicate with IPv4-only clients, IPv6-only clients, and clients that support both protocol versions. This is especially important for a CDN provider because customers may connect from many different networks, and not all networks have fully migrated to IPv6.

The CompTIA Network+ N10-009 objectives include IPv4 and IPv6 addressing concepts, network services, and interoperability methods. Dual stack is a common transition strategy because it does not require immediate removal of IPv4. Instead, both protocol stacks operate together while networks gradually adopt IPv6.

Quality of service is used to prioritize traffic, not to provide IPv4 and IPv6 interoperability. Automatic Private IP Addressing assigns a 169.254.x.x address when DHCP fails and applies to IPv4 link-local addressing. Stateless Address Autoconfiguration allows IPv6 hosts to create their own IPv6 addresses, but it does not provide IPv4 and IPv6 coexistence by itself. Therefore, dual stack is the correct answer.

Border Gateway Protocol (BGP): BGP is the most commonly used routing protocol for interconnecting WANs, especially across the internet. It is used for exchanging routing information between autonomous systems (AS), making it the backbone protocol for large-scale WANs.

IGP (A): Interior Gateway Protocols like OSPF and EIGRP are typically used within a single AS, not between them.

EIGRP (B): While it is efficient, EIGRP is primarily used for intra-domain routing and not ideal for WAN interconnection.

OSPF (D): While OSPF can be used for WANs, it is not as common as BGP for inter-AS communication.