DA0-001 Communicating Data Insights • Complete Question Bank
Complete DA0-001 Communicating Data Insights question bank — all 0 questions with answers and detailed explanations.
Refer to the exhibit.
```
{
"policy": {
"effect": "Deny",
"action": ["s3:GetObject"],
"resource": "arn:aws:s3:::data-bucket/*",
"condition": {
"IpAddress": {
"aws:SourceIp": "192.0.2.0/24"
}
}
}
}
```Refer to the exhibit. ``` [2024-03-15 14:23:45] ERROR: Connection pool exhausted. Retry attempt 1... [2024-03-15 14:23:46] ERROR: Connection pool exhausted. Retry attempt 2... [2024-03-15 14:23:47] ERROR: Connection pool exhausted. Retry attempt 3... [2024-03-15 14:23:48] ERROR: Connection pool exhausted. Max retries exceeded. ```
Drag steps to the numbered slots on the right, or tap a step then tap a slot.
Drag steps to the numbered slots on the right, or tap a step then tap a slot.
Drag a concept onto its matching description — or click a concept then click the description.
Retrieve data from source systems
Clean, format, and apply business rules
Insert processed data into target system
Analyze source data to understand structure
Correct or remove inaccurate records
Drag a concept onto its matching description — or click a concept then click the description.
Convert data into code to prevent unauthorized access
Replace sensitive data with non-sensitive placeholder
Hide parts of data (e.g., show only last 4 digits)
Restrict data access based on user permissions
Log of all data access and modifications
SELECT COUNT(*) FROM orders WHERE order_date >= '2023-06-01' AND order_date < '2023-07-01'; Result: 12,345
{
"policy": {
"Statement": [
{
"Effect": "Allow",
"Action": "SELECT",
"Resource": "prod_db.customers",
"Condition": {
"DateLessThan": {
"aws:CurrentTime": "2023-10-01T00:00:00Z"
}
}
}
]
}
}2023-03-15 14:32:10 ERROR: Failed to load data from source: Timeout expired. 2023-03-15 14:32:10 WARN: Retry attempt 1/3... 2023-03-15 14:32:15 ERROR: Retry 1 failed: Connection reset. 2023-03-15 14:32:15 WARN: Retry attempt 2/3... 2023-03-15 14:32:20 ERROR: Retry 2 failed: Server not responding. 2023-03-15 14:32:20 WARN: Retry attempt 3/3... 2023-03-15 14:32:25 ERROR: All retries exhausted. Pipeline failed.
{
"policy": {
"access": "restricted",
"roles": ["analyst", "manager"],
"conditions": {
"time": "business_hours",
"location": "internal_network"
}
}
}2025-03-15 14:32:01 ERROR [TransformJob] Failed to transform row 4521: Missing value for field 'Region' 2025-03-15 14:32:02 WARN [TransformJob] Defaulting missing 'Region' to 'Unknown'
Refer to the exhibit. ERROR: Duplicate entry '12345' for key 'PRIMARY' Query: INSERT INTO customers (customer_id, name, email) VALUES (12345, 'John Doe', 'jdoe@example.com');
Refer to the exhibit.
{
"policy": {
"data_retention": {
"customer_transactions": "5 years",
"employee_records": "7 years",
"marketing_leads": "2 years"
},
"data_sharing": {
"third_party_vendors": "anonymized only",
"internal_departments": "as needed"
},
"data_quality": {
"missing_values": "flag and report",
"outliers": "review quarterly"
}
}
}Error Log: 2024-07-15 08:23:45, ERROR - Query execution failed: ORA-00933: SQL command not properly ended 2024-07-15 08:23:45, ERROR - Stack trace: at com.example.DataService.getData(DataService.java:42) 2024-07-15 08:23:45, WARN - Retry attempt 1 of 3 2024-07-15 08:23:47, ERROR - Retry failed: ORA-00933: SQL command not properly ended 2024-07-15 08:23:47, ERROR - Data refresh job for dashboard 'DailySummary' failed.
{
"dashboardName": "ExecutiveOverview",
"refreshSchedule": "daily 06:00",
"dataSources": ["SalesDB", "CustomerDB"],
"visualizations": [
{"type": "bar", "title": "Revenue by Region", "field": "revenue_region"},
{"type": "line", "title": "Monthly Trend", "field": "monthly_revenue"},
{"type": "table", "title": "Top Customers", "field": "customer_data"}
],
"alerts": [
{"metric": "revenue", "condition": "< 1000000", "severity": "high"}
]
}Job: sales_aggregation Input records: 1,000,000 Output records: 500,000 Log: Aggregation on 'region' and 'date' - Sum(sales). Records with null region excluded: 50.
Data Quality Check Report Table: customer_info Check: Non-null validation on email field Result: Failed - 1200 records have null email
Refer to the exhibit. ``` 2024-11-20 10:23:45 [ACCESS_DENIED] user: analyst_john, query: SELECT email FROM customers WHERE id=123, reason: insufficient permissions on column 'email' ```