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300-810 · Question #183

An engineer must verify that the DNS SRV entries that are configured have the correct information. How is this configuration completed via a Windows machine?

The correct answer is D. Go to the command prompt and type nslookup. Set the type=srv, and then enter the SRV. On a Windows machine, DNS SRV records are verified using nslookup from the command prompt by setting the query type to SRV before entering the record name.

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Question

An engineer must verify that the DNS SRV entries that are configured have the correct information. How is this configuration completed via a Windows machine?

Options

  • AGo to Windows Explorer and type nslookup. Set the type=internet, and then enter the SRV
  • BGo to the command prompt and type dnslookup. Set the type=sip. and then enter the SRV
  • CGo to Internet Explorer and type nslookup. Set the type=srv, and then enter the SRV record.
  • DGo to the command prompt and type nslookup. Set the type=srv, and then enter the SRV

How the community answered

(25 responses)
  • A
    4% (1)
  • C
    4% (1)
  • D
    92% (23)

Why each option

On a Windows machine, DNS SRV records are verified using nslookup from the command prompt by setting the query type to SRV before entering the record name.

AGo to Windows Explorer and type nslookup. Set the type=internet, and then enter the SRV

The query type for SRV records is 'set type=srv', not 'set type=internet' - setting type to 'internet' is not a valid nslookup record type for looking up SRV entries.

BGo to the command prompt and type dnslookup. Set the type=sip. and then enter the SRV

'dnslookup' is not a valid Windows command - the correct tool name is 'nslookup', and 'set type=sip' is not a valid DNS record type.

CGo to Internet Explorer and type nslookup. Set the type=srv, and then enter the SRV record.

nslookup is a command-line tool accessed via the command prompt, not via Internet Explorer or any web browser - running it through Internet Explorer is not possible.

DGo to the command prompt and type nslookup. Set the type=srv, and then enter the SRVCorrect

The nslookup utility is the standard Windows command-line DNS query tool. To query SRV records, the user opens a command prompt, types 'nslookup' to enter interactive mode, issues 'set type=srv' to change the query type, and then enters the SRV record name (e.g., _cisco-uds._tcp.domain.com). This is the correct syntax and workflow for verifying DNS SRV entries on Windows.

Concept tested: Windows nslookup SRV record DNS verification

Source: https://learn.microsoft.com/en-us/windows-server/administration/windows-commands/nslookup

Topics

#DNS SRV#nslookup#Network Troubleshooting#Collaboration Infrastructure

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