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LPI

201-450 · Question #50

To securely use dynamic DNS updates, the use of TSIG is recommended. Which TWO statements about TSIG are true?

The correct answer is D. TSIG is used only in server configuration E. Servers using TSIG must be in sync (time zone!). See the full explanation below for the reasoning.

Networking Configuration

Question

To securely use dynamic DNS updates, the use of TSIG is recommended. Which TWO statements about TSIG are true?

Options

  • ATSIG is used for zone data encryption
  • BTSIG is a signal to start a zone update
  • CTSIG is used in zone files
  • DTSIG is used only in server configuration
  • EServers using TSIG must be in sync (time zone!)

How the community answered

(56 responses)
  • A
    5% (3)
  • B
    7% (4)
  • C
    14% (8)
  • D
    73% (41)

Topics

#TSIG#dynamic DNS#BIND security#time synchronization

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