Question 1mediummultiple choice
Full question →mediummultiple choiceObjective-mapped
A line-of-business application stores transaction logs in an Azure Storage account. The app must keep working if one availability zone in the primary region fails, and administrators want read access to the secondary copy if the primary region becomes unavailable. Which redundancy option should you 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
Distractor review
LRS, because it keeps three local copies in one datacenter and is the simplest choice.
LRS protects only within a single datacenter. It does not provide zone resilience or geo-replication for a regional outage.
B
Distractor review
RA-GRS, because it provides geo-replication and read access to the secondary region.
RA-GRS adds secondary read access, but the primary copy is not zone-redundant. It does not meet the zone-failure requirement.
C
Distractor review
GZRS, because it combines zone redundancy in the primary region with geo-replication.
GZRS covers zone failure and geo-replication, but the secondary region is not readable. The question requires read access there.
D
Best answer
RA-GZRS, because it keeps the primary region zone-redundant and allows read access to the secondary copy.
RA-GZRS is the only option listed that combines zone-redundant storage in the primary region with geo-replication and read access to the secondary endpoint. That satisfies both the availability-zone failure requirement and the need to read data during a regional outage. It is the strongest choice when you need resilience across both datacenter-level and regional failure scenarios.
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.
Related practice questions
Related AZ-104 practice-question pages
Use these pages to review the topic behind this question. This is how one missed question becomes focused revision.
AZ-104 Azure RBAC practice questions
Practise AZ-104 questions linked to AZ-104 Azure RBAC.
AZ-104 storage account practice questions
Practise AZ-104 questions linked to AZ-104 storage account.
AZ-104 virtual network practice questions
Practise AZ-104 questions linked to AZ-104 virtual network.
AZ-104 NSG practice questions
Practise AZ-104 questions linked to AZ-104 NSG.
AZ-104 Azure Monitor practice questions
Practise AZ-104 questions linked to AZ-104 Azure Monitor.
AZ-104 backup practice questions
Practise AZ-104 questions linked to AZ-104 backup.
AZ-104 managed identity practice questions
Practise AZ-104 questions linked to AZ-104 managed identity.
AZ-104 load balancer practice questions
Practise AZ-104 questions linked to AZ-104 load balancer.
AZ-104 Azure Policy practice questions
Practise AZ-104 questions linked to AZ-104 Azure Policy.
AZ-104 virtual machine practice questions
Practise AZ-104 questions linked to AZ-104 virtual machine.
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 route table contains these entries: 10.0.0.0/8 with next hop Virtual appliance, and 10.1.1.0/24 with next hop Virtual network gateway. Which next hop will Azure use for traffic to 10.1.1.5?
Question 2
You are deploying a stateless web application on Azure virtual machines. The solution must automatically add and remove instances based on CPU demand and allow all instances to be managed as one logical group. Which Azure compute feature should you deploy?
Question 3
You are deploying a Windows Server VM for an internal app. The VM must support Secure Boot and vTPM later, its OS disk must survive host moves, and the team wants the lowest-cost managed disk tier that still behaves like a normal writable OS disk. Which two choices should you make? Select two.
Question 4
You need to deploy several identical virtual machines and ensure that the failure of a single Azure host does not affect all of them. Which feature should you use?
Question 5
You need to connect VNet-Hub and VNet-Spoke so that resources in both virtual networks can communicate privately over the Microsoft backbone. Both virtual networks are in the same region. What should you configure?
Question 6
You need to create a storage account that provides the lowest-cost redundant storage for non-critical data and only needs protection against local disk or server failure within a single datacenter. Which redundancy option should you choose?
FAQ
Questions learners often ask
What does this AZ-104 question test?
Static NAT maps one inside address to one outside address.
What is the correct answer to this question?
The correct answer is: RA-GZRS, because it keeps the primary region zone-redundant and allows read access to the secondary copy. — RA-GZRS is the best fit because it protects the primary storage across availability zones and also maintains a geo-replicated secondary copy that can be read if the primary region is unavailable. That combination addresses both operational concerns in the scenario: surviving a zone failure without interruption and providing read access during a broader regional outage. The other redundancy options provide only part of that resilience, not the full requirement. Why others are wrong: LRS stays within one datacenter, so it cannot survive a zone outage. RA-GRS gives read access in the secondary region, but the primary region is not zone-redundant. GZRS provides zone redundancy plus geo-replication, but the secondary region is not readable. Only RA-GZRS satisfies both the zone-resilience and read-access requirements.
What should I do if I get this AZ-104 question wrong?
Then try more questions from the same exam bank and focus on understanding why the wrong options are tempting.
Discussion
Loading comments…
Sign in to join the discussion.