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Question 580 - N10-008 discussion

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A network technician is troubleshooting internet connectivity issues with users in a subnet. From a host, the technician runs and then attempts to navigate to a website using a web browser.

The technician receives the following output:

Afterward, the browser displays an error. Which of the following explains this issue?

A.
A routing loop is within the network.
Answers
A.
A routing loop is within the network.
B.
The host is configured with incorrect DNS settings
Answers
B.
The host is configured with incorrect DNS settings
C.
A broadcast storm is occurring on the subnet
Answers
C.
A broadcast storm is occurring on the subnet
D.
The host is missing a route to the website.
Answers
D.
The host is missing a route to the website.
Suggested answer: B

Explanation:

The issue is that the host is configured with incorrect DNS settings. DNS (Domain Name System) is a service that resolves domain names to IP addresses. For example, the domain name www.comptia.org is resolved to the IP address 104.18.25.140 by a DNS server. If the host has incorrect DNS settings, such as an invalid or unreachable DNS server address, it will not be able to resolve domain names to IP addresses, and therefore it will not be able to access websites by their names. The output in the image shows that the host can ping the IP address of www.comptia.org, but it cannot ping the domain name itself, indicating a DNS problem. Reference: CompTIA Network+ N10-008 Certification Study Guide, page 154; The Official CompTIA Network+ Student Guide (Exam N10-008), page 6-8.

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asked 02/10/2024
Michael Costello
36 questions
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