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FC0-U71 Secure its wireless network Practice Question
A company wants to secure its wireless network. Which of the following is the BEST practice?
⚠ Common exam trap
The trap here is that candidates often focus on wireless-specific settings like SSID broadcast or encryption, overlooking the critical importance of securing the administrative interface itself, which is a common and easily exploited vulnerability.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Change the default administrator password
Changing the default administrator password is the best practice because default credentials are widely known and easily exploited, providing an attacker with full administrative access to the wireless access point or router. This action directly mitigates unauthorized configuration changes, which is a fundamental security measure. In contrast, the other options either weaken security or have no significant protective effect.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Broadcast the SSID
Why it's wrong here
Broadcasting the SSID advertises the network to any nearby client, which aids discovery rather than restricting access. It is tempting because hiding the SSID is widely assumed to add secrecy, and broadcasting would be the correct choice where open, guest-friendly connectivity matters more than concealment.
- ✗
Disable MAC filtering
Why it's wrong here
Disabling MAC filtering removes a control rather than adding one; the question asks for a best practise to secure the network. MAC filtering is tempting because it restricts which hardware addresses may associate, and it would be the right choice only as a minor layer alongside WPA3, never as the primary safeguard.
- ✗
Use WEP encryption
Why it's wrong here
WEP's RC4 stream cipher with static, reusable IVs is cryptographically broken and crackable within minutes, so it cannot secure the network. It is tempting because it is an encryption standard and older hardware supports it, and it would be the correct choice only for legacy devices that cannot run WPA2 or WPA3.
- ✓
Change the default administrator password
Why this is correct
Changing the default administrator password removes a publicly documented credential that attackers use to seize control of the access point. This directly satisfies the best-practice requirement by eliminating the weakest, most exploited configuration on wireless equipment.
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Courseiva writes every FC0-U71 question from scratch — 988 in total, each with an explanation and a wrong-answer breakdown. None are copied from real exams or dumps. Learn why practice questions differ from exam dumps →
JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This FC0-U71 practice question is part of Courseiva's free CompTIA 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 FC0-U71 exam.