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SK0-003 · Question #897

A print server, server.comptia.com, has a static IP address of 172.19.64.10. Print services are functional, but when a technician tries to RDP to `server.comptia.com' the server cannot be reached. RDP

The correct answer is A. DNS is misconfigured. If RDP fails when using a hostname but the server's services are otherwise functional and its static IP is known, it most likely indicates an issue with resolving the hostname to its IP address.

Troubleshooting

Question

A print server, server.comptia.com, has a static IP address of 172.19.64.10. Print services are functional, but when a technician tries to RDP to `server.comptia.com' the server cannot be reached. RDP connections have previously worked on this server. Which of the following is the MOST likely reason why the server cannot be reached?

Options

  • ADNS is misconfigured
  • BPrint services block RDP
  • CIPv4 is not enabled
  • DThe IP has changed

How the community answered

(40 responses)
  • A
    85% (34)
  • B
    3% (1)
  • C
    8% (3)
  • D
    5% (2)

Why each option

If RDP fails when using a hostname but the server's services are otherwise functional and its static IP is known, it most likely indicates an issue with resolving the hostname to its IP address.

ADNS is misconfiguredCorrect

DNS is responsible for resolving hostnames like 'server.comptia.com' to their corresponding IP addresses. If DNS is misconfigured, the RDP client cannot find the server's IP by name, leading to a connection failure, even if the server itself is operational and reachable by its static IP.

BPrint services block RDP

Print services operate independently of RDP and do not block RDP connections.

CIPv4 is not enabled

If IPv4 was not enabled, the print services would not be functional on the static IP address, contradicting the question's premise.

DThe IP has changed

The question states the server 'has' a static IP, implying it is constant, and if the IP had changed without DNS updating, it would still point to a DNS resolution issue rather than the IP itself being the primary problem.

Concept tested: DNS name resolution troubleshooting for network services

Source: https://learn.microsoft.com/en-us/windows-server/networking/dns/troubleshoot/troubleshoot-dns-client

Topics

#RDP troubleshooting#DNS resolution#network connectivity

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