Question 1mediummultiple choice
Full question →mediummultiple choiceObjective-mapped
A global company stores customer profile data in JSON format. The application requires low-latency writes and reads from multiple regions. The solution must support multi-region writes with automatic conflict resolution and provide high availability. Which Azure Cosmos DB configuration should they choose?
Answer choices
Why each option matters
Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.
A
Best answer
SQL API with eventual consistency and multi-region writes enabled
SQL API handles JSON, eventual consistency supports multi-region writes, and conflict resolution is automatic.
B
Distractor review
MongoDB API with strong consistency and multi-region writes enabled
Strong consistency is not compatible with multi-region writes; this configuration is invalid.
C
Distractor review
Table API with consistent prefix consistency and single-region writes
Table API stores key-value data, not JSON; single-region writes do not meet the multi-region write requirement.
D
Distractor review
Gremlin API with session consistency and multi-region writes enabled
Gremlin API is for graph databases, not suitable for JSON document storage.
Common exam trap
Common exam trap: NAT rules depend on direction and matching traffic
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Technical deep dive
How to think about this question
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
KKey Concepts to Remember
- Static NAT maps one inside address to one outside address.
- PAT allows many inside hosts to share one public address using ports.
- Inside local and inside global describe the private and translated addresses.
- NAT ACLs identify traffic for translation, not always security filtering.
TExam Day Tips
- Identify inside and outside interfaces first.
- Check whether the scenario needs static NAT, dynamic NAT or PAT.
- Do not confuse NAT matching ACLs with normal packet-filtering intent.
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More questions from this exam
Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.
Question 1
A company is designing hub-and-spoke networking. Spoke VNets must use a central Azure Firewall for outbound internet traffic. Which two configurations are required?
Question 2
A company is designing private access to a PaaS database from workloads in a VNet. The database should not be reachable over its public endpoint. What should be recommended?
Question 3
A data platform must support analytical queries over petabytes of files in a data lake, while preserving hierarchical namespaces and fine-grained ACLs. Which storage service should you design around?
Question 4
A database workload has an RPO of 15 minutes and an RTO of 4 hours. Cost is more important than near-zero data loss. Which design is usually more appropriate than synchronous multi-region replication?
Question 5
A hub-and-spoke Azure network must centralize outbound inspection and still allow spokes to resolve private endpoint DNS names. Which two components are commonly required? (Choose 2.)
Question 6
A multinational company uses Microsoft Entra ID and several Azure subscriptions. Security administrators need to review privileged role assignments every month and require justification for continued access. Which design should be recommended?
FAQ
Questions learners often ask
What does this AZ-305 question test?
Static NAT maps one inside address to one outside address.
What is the correct answer to this question?
The correct answer is: SQL API with eventual consistency and multi-region writes enabled — Azure Cosmos DB SQL API natively supports JSON documents and allows multi-region writes with automatic conflict resolution when using a relaxed consistency level like eventual. Eventually consistent reads provide low latency and high availability. Strong consistency is not supported with multi-region writes. Single-region writes do not meet the multi-region write requirement. The Gremlin API is for graph data, not JSON documents.
What should I do if I get this AZ-305 question wrong?
Then try more questions from the same exam bank and focus on understanding why the wrong options are tempting.
Discussion
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