Quick Answer
The correct answer is to run SELECT * FROM sys.dm_geo_replication_link_status on the secondary database. This dynamic management view directly exposes the replication lag in seconds and the last hardened transaction ID, giving you the precise data needed to verify geo-replication readiness on the secondary. On the Microsoft Azure Database Administrator Associate DP-300 exam, this question tests your ability to distinguish between DMVs for geo-replication versus deprecated or unrelated views. A common trap is confusing sys.dm_database_copies, which only applies to copy-only operations, or the deprecated sys.dm_continuous_copy_status. Remember that the word "link" in the DMV name signals the active geo-replication relationship between primary and secondary. For a quick memory tip: think "geo-link equals lag-check" to recall that sys.dm_geo_replication_link_status is your go-to for verifying synchronization currency before failover.
This DP-300 practice question tests your understanding of plan and configure a high availability and disaster recovery environment. Examine the command output carefully: the correct answer depends on what the output actually shows, not on general recall alone. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
Your company uses Azure SQL Database with active geo-replication for disaster recovery. During a drill, you need to verify that the secondary database is ready for failover and that data synchronization is current. Which query should you run on the secondary database?
SELECT * FROM sys.dm_continuous_copy_status;
Why wrong: This DMV is deprecated.
SELECT * FROM sys.dm_geo_replication_link_status;
This DMV provides replication lag and status.
SELECT * FROM sys.dm_database_copies;
Why wrong: This DMV is for copy operations, not geo-replication.
SELECT * FROM sys.dm_replication_status;
Why wrong: This DMV is for transactional replication.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
SELECT * FROM sys.dm_geo_replication_link_status;
Option C is correct because the sys.dm_geo_replication_link_status DMV shows replication lag and the last replicated transaction. Option A is wrong because sys.dm_database_copies is for copy-only operations. Option B is wrong because sys.dm_continuous_copy_status is deprecated. Option D is wrong because sys.dm_replication_status is for transactional replication.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
SELECT * FROM sys.dm_continuous_copy_status;
Why it's wrong here
This DMV is deprecated.
SELECT * FROM sys.dm_geo_replication_link_status;
Why this is correct
This DMV provides replication lag and status.
Related concept
Read the scenario before looking for a memorised answer.
SELECT * FROM sys.dm_database_copies;
Why it's wrong here
This DMV is for copy operations, not geo-replication.
SELECT * FROM sys.dm_replication_status;
Why it's wrong here
This DMV is for transactional replication.
Common exam traps
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
Identify which DP-300 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
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FAQ
Plan and configure a high availability and disaster recovery environment — This question tests Plan and configure a high availability and disaster recovery environment — Read the scenario before looking for a memorised answer..
The correct answer is: SELECT * FROM sys.dm_geo_replication_link_status; — Option C is correct because the sys.dm_geo_replication_link_status DMV shows replication lag and the last replicated transaction. Option A is wrong because sys.dm_database_copies is for copy-only operations. Option B is wrong because sys.dm_continuous_copy_status is deprecated. Option D is wrong because sys.dm_replication_status is for transactional replication.
Identify which DP-300 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Read the scenario before looking for a memorised answer.
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Same concept, more angles
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. You have an Azure SQL Database with active geo-replication. You need to monitor the replication lag to ensure the RPO is met. Which metric should you monitor?
mediumWhy B: Option B is correct because 'Replication lag' metric directly measures the delay in seconds between primary and secondary. Option A (Data IO percentage) is a performance metric. Option C (DTU consumption) is related to resource usage. Option D (Deadlocks) is unrelated.
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Last reviewed: Jun 21, 2026
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