Question 512 of 512
InfrastructureeasyMultiple ChoiceObjective-mapped

FC0-U61 Infrastructure Practice Question

This FC0-U61 practice question tests your understanding of infrastructure. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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.

Exhibit

C:\>ping 8.8.8.8

Pinging 8.8.8.8 with 32 bytes of data:
Reply from 192.168.1.1: Destination host unreachable.
Reply from 192.168.1.1: Destination host unreachable.

Refer to the exhibit. A user cannot access the internet. What does this output indicate?

Question 1easymultiple choice
Full question →

Exhibit

C:\>ping 8.8.8.8

Pinging 8.8.8.8 with 32 bytes of data:
Reply from 192.168.1.1: Destination host unreachable.
Reply from 192.168.1.1: Destination host unreachable.

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 cannot reach the remote network

The output shows a successful ping to the default gateway (192.168.1.1) but a failed ping to a remote IP (8.8.8.8). This indicates that the user's local network connectivity is intact, but the default gateway cannot forward traffic to the remote network, likely due to a missing or incorrect route on the gateway or an upstream connectivity issue.

Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.

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 cannot reach the remote network

    Why this is correct

    The gateway reports destination unreachable, indicating a routing problem.

    Related concept

    Read the scenario before looking for a memorised answer.

  • The user's IP address is invalid

    Why it's wrong here

    The user can reach the gateway, so their IP is valid on the local network.

  • The DNS server is down

    Why it's wrong here

    Ping uses IP address, not DNS.

  • The local network cable is unplugged

    Why it's wrong here

    A cable issue would result in no reply at all, not a reply from the gateway.

Common exam traps

Common exam trap: answer the scenario, not the keyword

The trap here is that candidates assume a successful ping to the default gateway means full internet connectivity, but the question tests the understanding that the gateway itself may not have a route to external networks.

Detailed technical explanation

How to think about this question

The ping command uses ICMP Echo Request/Reply messages; a successful ping to the default gateway confirms Layer 2 (ARP resolution) and Layer 3 (IP routing) are functional on the local subnet. The failure to reach 8.8.8.8 suggests the default gateway lacks a default route (0.0.0.0/0) or the upstream router has no path to the internet. In real-world scenarios, this often occurs when a home router's WAN interface is misconfigured or the ISP link is down, while the LAN side remains operational.

KKey Concepts to Remember

  • Read the scenario before looking for a memorised answer.
  • Find the constraint that changes the correct option.
  • Eliminate answers that are true in general but not in this case.

TExam Day Tips

  • Watch for words such as best, first, most likely and least administrative effort.
  • Review why wrong options are wrong, not only why the correct option is correct.

Key takeaway

Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.

Real-world example

How this comes up in practice

A practitioner preparing for the FC0-U61 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.

What to study next

Got this wrong? Here's your next step.

Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.

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FAQ

Questions learners often ask

What does this FC0-U61 question test?

Infrastructure — This question tests Infrastructure — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: The default gateway cannot reach the remote network — The output shows a successful ping to the default gateway (192.168.1.1) but a failed ping to a remote IP (8.8.8.8). This indicates that the user's local network connectivity is intact, but the default gateway cannot forward traffic to the remote network, likely due to a missing or incorrect route on the gateway or an upstream connectivity issue.

What should I do if I get this FC0-U61 question wrong?

Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

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Last reviewed: Jun 25, 2026

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This FC0-U61 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-U61 exam.