4.3 Use XQL to Query Datasets XSIAM-ANALYST Practice Questions (Page 5)

Questions 21–25

1. 21foundation · easy

   Which XQL aggregation function returns the highest value of a numeric field?

   • Ahigh
   • Bmax
   • Cpeak
   • Dtop
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2. 22expert · hard

   An analyst needs to join endpoint process events with a list of known malicious file hashes stored in a separate dataset. The join should only include process events that have a matching hash. The process dataset is very large. Which approach is most efficient?

   • AUse a subquery to filter the threat intel dataset before the join.
   • BFilter the process events to only those with a hash field, then join with the threat intel dataset on the hash field.
   • CUse the fields command on the process dataset to project only the hash field before the join.
   • DJoin the datasets first, then filter the results to only those with a hash field.
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4. 23foundation · easy

   Which XQL function checks if a field is null?

   • Anullcheck
   • BisMissing
   • Cisempty
   • DisNull
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5. 24foundation · easy

   What is the purpose of the pipe operator (`|`) in an XQL query?

   • AIt performs a logical OR between two conditions.
   • BIt separates the dataset name from the rest of the query.
   • CIt passes the output of one command as input to the next command.
   • DIt marks the end of the query.
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6. 25foundation · easy

   Which field is commonly used in XQL queries to represent the timestamp of an event?

   • A_time
   • Bevent_time
   • Cdate
   • Dtimestamp
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