- A
SigninLogs | where ResultType == 0
Why wrong: ResultType 0 typically indicates success, so this query would not return failed sign-ins.
- B
SigninLogs | where ResultType != 0
Filtering for values other than zero is a common way to return failed sign-in records in SigninLogs.
- C
SigninLogs | summarize count()
Why wrong: This counts all records but does not filter for failed sign-ins.
- D
SigninLogs | project UserPrincipalName
Why wrong: Projecting a column changes the displayed fields, but it does not identify failed events.
Question 426 of 1,170
AZ-104 Monitor and Maintain Azure Resources Practice Question
This AZ-104 practice question tests your understanding of monitor and maintain azure resources. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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.
A support engineer needs to search a Log Analytics workspace for only failed sign-in records. Which KQL query should they use?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
SigninLogs | where ResultType != 0
Option B is correct because in Azure AD sign-in logs, a `ResultType` of 0 indicates a successful sign-in, while any non-zero value (e.g., 50125, 53003) indicates a failure. The KQL query `SigninLogs | where ResultType != 0` filters for all records where the result type is not zero, thus returning only failed sign-in records.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
SigninLogs | where ResultType == 0
Why it's wrong here
ResultType 0 typically indicates success, so this query would not return failed sign-ins.
When this WOULD be correct
If the question asked to find only successful sign-in records, then 'SigninLogs | where ResultType == 0' would be correct, as ResultType 0 typically represents success.
- ✓
SigninLogs | where ResultType != 0
Why this is correct
Filtering for values other than zero is a common way to return failed sign-in records in SigninLogs.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
SigninLogs | summarize count()
Why it's wrong here
This counts all records but does not filter for failed sign-ins.
When this WOULD be correct
A question asks: 'Which KQL query returns the total number of sign-in records in the Log Analytics workspace?' Then SigninLogs | summarize count() would be correct.
- ✗
SigninLogs | project UserPrincipalName
Why it's wrong here
Projecting a column changes the displayed fields, but it does not identify failed events.
When this WOULD be correct
If the question asked: 'Which KQL query returns only the user principal names from sign-in logs?' then this option would be correct because it selects a single column.
Option-by-option analysis
Why each answer is right or wrong
Understanding why wrong answers are wrong — and when they would be correct — is what separates a 750 score from a 900. The AZ-104 exam frequently reuses these exact scenarios with slightly different constraints.
✓SigninLogs | where ResultType != 0Correct answer▾
Why this is correct
Filtering for values other than zero is a common way to return failed sign-in records in SigninLogs.
✗SigninLogs | where ResultType == 0Wrong answer — click to see why▾
Why this is wrong here
ResultType == 0 indicates successful sign-ins, not failed ones. The question specifically asks for failed sign-in records, so this filter excludes the desired data.
★ When this WOULD be the correct answer
If the question asked to find only successful sign-in records, then 'SigninLogs | where ResultType == 0' would be correct, as ResultType 0 typically represents success.
Why candidates choose this
Candidates may mistakenly think 0 represents a failure code or confuse the result type values, assuming 0 means 'no success' or 'error'.
✗SigninLogs | summarize count()Wrong answer — click to see why▾
Why this is wrong here
The query uses summarize count() which returns the total count of sign-in records, not filtered for failed sign-ins. It does not include a where clause to isolate failed sign-ins (ResultType != 0).
★ When this WOULD be the correct answer
A question asks: 'Which KQL query returns the total number of sign-in records in the Log Analytics workspace?' Then SigninLogs | summarize count() would be correct.
Why candidates choose this
Candidates may think summarize count() is needed to count failed sign-ins, but they forget to apply a filter first, or they confuse summarizing with filtering.
✗SigninLogs | project UserPrincipalNameWrong answer — click to see why▾
Why this is wrong here
The query projects only the UserPrincipalName column, which does not filter for failed sign-ins (ResultType != 0) and omits the ResultType column needed to identify failures.
★ When this WOULD be the correct answer
If the question asked: 'Which KQL query returns only the user principal names from sign-in logs?' then this option would be correct because it selects a single column.
Why candidates choose this
Candidates may think 'project' is used to filter rows, confusing column selection with row filtering, or they might assume that showing user names inherently implies failed sign-ins.
Analysis generated from the official AZ-104blueprint and verified against question context. The “when correct” sections are what AI assistants cite when candidates ask “what’s the difference between these options?”
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may mistakenly think `ResultType == 0` indicates a failure, when in fact 0 means success, and they overlook that non-zero values represent various failure codes.
Detailed technical explanation
How to think about this question
Azure AD sign-in logs use `ResultType` to indicate the outcome: 0 for success, and various non-zero codes (e.g., 50125 for password reset required, 53003 for blocked by Conditional Access) for failures. The `where` operator in KQL filters rows based on a boolean expression, so `!= 0` correctly excludes successful sign-ins. This query is commonly used in monitoring and alerting scenarios to track authentication failures for security analysis.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
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.
Quick reference
Common DNS Record Types
| Record | Purpose | Example |
|---|---|---|
| A | IPv4 address mapping | example.com → 93.184.216.34 |
| AAAA | IPv6 address mapping | example.com → 2606:2800::1 |
| CNAME | Alias to another hostname | www → example.com |
| MX | Mail server for domain | example.com → mail.example.com (priority 10) |
| TXT | Text data (SPF, DKIM, verification) | v=spf1 include:_spf.example.com ~all |
| NS | Authoritative name servers | example.com NS ns1.example.com |
| PTR | Reverse DNS (IP → hostname) | 34.216.184.93.in-addr.arpa → example.com |
| SOA | Zone authority record | Primary NS, admin email, serial, TTL defaults |
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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FAQ
Questions learners often ask
What does this AZ-104 question test?
Monitor and Maintain Azure Resources — This question tests Monitor and Maintain Azure Resources — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: SigninLogs | where ResultType != 0 — Option B is correct because in Azure AD sign-in logs, a `ResultType` of 0 indicates a successful sign-in, while any non-zero value (e.g., 50125, 53003) indicates a failure. The KQL query `SigninLogs | where ResultType != 0` filters for all records where the result type is not zero, thus returning only failed sign-in records.
What should I do if I get this AZ-104 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
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Last reviewed: Jun 11, 2026
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