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Question 678 - 220-1101 discussion

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A user is unable to browse any web pages. However, the user can ping the IP address 8.8.4.4. Which of the following is most likely causing the issue?

A.
The user does not have permission to view the website.
Answers
A.
The user does not have permission to view the website.
B.
The website is offline and not responding.
Answers
B.
The website is offline and not responding.
C.
The DNS settings are not configured on the user's device.
Answers
C.
The DNS settings are not configured on the user's device.
D.
The DHCP server is not reachable from the user's device.
Answers
D.
The DHCP server is not reachable from the user's device.
Suggested answer: C

Explanation:

Since the user can ping 8.8.4.4 (an external IP address) but is unable to browse web pages, it indicates that the DNS (Domain Name System) settings may be incorrect or not configured. The DNS system is crucial for translating human-friendly domain names into IP addresses. If DNS settings are incorrect, the browser cannot resolve domain names, thus web pages will not load despite the network itself being reachable via IP. The other options are less likely as they would affect connectivity to external IP addresses or the availability of specific websites.

Reference: CompTIA A+ Core 1 (220-1101) exam objectives in the networking section, specifically relating to DNS and IP configurations.

asked 02/10/2024
Udara Somachandra
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