Quick Answer
The answer is WPA2-Enterprise with a RADIUS server and a wireless intrusion prevention system (WIPS). WPA2-Enterprise secures the network by using IEEE 802.1X authentication, which requires each user to present unique credentials to a central RADIUS server, eliminating the shared pre-shared key vulnerability that allows unauthorized access if the key is leaked. A WIPS complements this by continuously monitoring the airwaves for rogue access points and suspicious activity, automatically blocking threats to prevent intrusion. On the SSCP exam, this question tests your understanding of enterprise-grade wireless security controls versus basic home solutions; a common trap is choosing WPA2-PSK or MAC filtering, which are weaker methods. Remember the mnemonic “E-WIP” — Enterprise authentication and Wireless Intrusion Prevention are the two pillars of secure wireless network methods.
This SSCP practice question tests your understanding of network and communications security. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
Which TWO are common methods to secure a wireless network against unauthorized access?
Implement WPA2-Enterprise
Provides strong authentication per user.
Enable SSID broadcast
Why wrong: Broadcasting helps clients find the network, not a security measure.
Disable DHCP
Why wrong: Disabling DHCP forces static IPs but does not prevent unauthorized clients.
Use MAC filtering
Why wrong: MAC addresses can be spoofed easily.
Deploy a wireless intrusion prevention system (WIPS)
Monitors for rogue APs and attacks.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Implement WPA2-Enterprise
WPA2-Enterprise uses IEEE 802.1X authentication with a RADIUS server, requiring unique credentials per user rather than a shared pre-shared key (PSK). This eliminates the risk of PSK compromise and provides centralized authentication, making it highly resistant to unauthorized access. It is the recommended method for securing wireless networks in enterprise environments.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Implement WPA2-Enterprise
Why this is correct
Provides strong authentication per user.
Related concept
Read the scenario before looking for a memorised answer.
Enable SSID broadcast
Why it's wrong here
Broadcasting helps clients find the network, not a security measure.
Disable DHCP
Use MAC filtering
Why it's wrong here
MAC addresses can be spoofed easily.
Deploy a wireless intrusion prevention system (WIPS)
Why this is correct
Monitors for rogue APs and attacks.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
The trap here is that candidates often mistake MAC filtering or disabling DHCP as effective security controls, when in fact they are easily bypassed and provide only a false sense of security, while the exam expects recognition of enterprise-grade authentication and active monitoring as the correct methods.
Detailed technical explanation
WPA2-Enterprise relies on the four-way handshake and EAP (Extensible Authentication Protocol) to derive unique session keys per user, preventing key reuse and offline brute-force attacks common against WPA2-PSK. A wireless intrusion prevention system (WIPS) continuously monitors radio frequency (RF) layers for rogue access points, deauthentication attacks, and other anomalies, automatically blocking threats via signature-based or behavioral analysis. In real-world deployments, combining WPA2-Enterprise with a WIPS provides defense-in-depth against both credential theft and physical-layer attacks.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A developer is choosing between AES-256 (symmetric) and RSA-2048 (asymmetric) for encrypting a large file that will be sent to a partner. Symmetric encryption is fast but requires key exchange; asymmetric is slower but solves the key distribution problem. A hybrid approach — encrypt the file with AES, encrypt the AES key with RSA — is standard. Questions like this test whether you understand when each approach applies.
What to study next
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FAQ
Network and Communications Security — This question tests Network and Communications Security — Read the scenario before looking for a memorised answer..
The correct answer is: Implement WPA2-Enterprise — WPA2-Enterprise uses IEEE 802.1X authentication with a RADIUS server, requiring unique credentials per user rather than a shared pre-shared key (PSK). This eliminates the risk of PSK compromise and provides centralized authentication, making it highly resistant to unauthorized access. It is the recommended method for securing wireless networks in enterprise environments.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 25, 2026
This SSCP practice question is part of Courseiva's free ISC2 certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the SSCP exam.
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