Practice Quiz

MSCA 70-291 Windows Server 2003 Exam Prep

Category - 70-291

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Which of the following is an instance when zones do NOT need to be delegated?
  1. You need to delegate management of a DNS domain to a branch or department within your organization.
  2. You need to distribute the load of maintaining one large DNS database among multiple name servers to improve name resolution performance and fault tolerance.
  3. You need hosts and host names to be structured according to branch or departmental affiliation within your organization.
  4. You want forwarding to take precedence over delegation.
Explanation
Answer - D - You need not delegate zones when you want forwarding to take precedence over delegation.

Key Takeaway: Delegations take precedence over forwarding, hence it is not recommended to delegate the zones if a zone set to forward all queries that it cannot answer. For a delegation to occur, the parent zone must contain both an A resource record and an NS resource record pointing to the authoritative server of the newly delegated domain. This is necessary to transfer authority to the new name servers and to provide referrals to clients performing iterative queries.
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