easyMultiple ChoiceObjective-mapped
FC0-U71 Practice Question: Refer to the exhibit
Exhibit
C:\> ipconfig Ethernet adapter Local Area Connection: Connection-specific DNS Suffix . : IP Address. . . . . . . . . . . . : 192.168.1.10 Subnet Mask . . . . . . . . . . . : 255.255.255.0 Default Gateway . . . . . . . . . : (blank)
Refer to the exhibit. A user cannot access the internet. What is the most likely issue based on the configuration shown?
⚠ Common exam trap
CompTIA often tests the misconception that a missing DNS server prevents internet access entirely, but the real issue is the lack of a default gateway for routing traffic beyond the local subnet.
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
✓
The default gateway is missing
The exhibit shows an IP address of 192.168.1.10 with a subnet mask of 255.255.255.0, but no default gateway is configured. Without a default gateway, the device can communicate within its local subnet (192.168.1.0/24) but cannot route traffic to any external network, including the internet. The default gateway is the router's IP address that provides the next-hop path for all off-subnet traffic.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
The default gateway is missing
Why this is correct
Without a default gateway, the device cannot communicate outside its subnet.
- ✗
The DNS server is not configured
Why it's wrong here
DNS is not shown but even if missing, internet access would require a gateway first.
- ✗
The IP address is invalid
Why it's wrong here
192.168.1.10 is a valid private IP address.
- ✗
The subnet mask is incorrect
Why it's wrong here
255.255.255.0 is correct for a /24 subnet.
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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.