This Quiz contains totally 25 Questions each carry 1 point for you.
- What is Bigtable primarily used for?
Streaming videos
Voice recognition
Storing large amounts of single-keyed data
Storing relational data
Correct!
Wrong!
2. Which Google product is Bigtable NOT integrated with?
Cloud Dataflow
Cloud Dataproc
Google Kubernetes Engine
Google Drive
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Wrong!
3. What is a column family in Bigtable?
A group of related tables
A group of related rows
A group of related columns
A group of related databases
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4. How many column families can a Bigtable have?
One
Two
Hundreds
Thousands
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5. What is one key advantage of Bigtable over traditional relational databases?
It supports SQL
It supports transactions
It scales horizontally
It enforces foreign key constraints
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6. How does Bigtable optimize read performance?
By replicating data across multiple nodes
By compressing data
By storing data in SSDs
By organizing data in lexicographic order
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Wrong!
7. What is the primary security measure used in Bigtable?
Firewall
Encryption at rest
Two-factor authentication
Password protection
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8. What are the two main types of monitoring metrics in Bigtable?
SQL and NoSQL metrics
Server and client metrics
Storage and processing metrics
Availability and performance metrics
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9. In Bigtable, what is a cell?
The intersection of a row and a column
The intersection of a column and a column family
The intersection of a row and a table
The intersection of a column family and a table
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10. What is the maximum size for a row in Bigtable?
256 MB
1 GB
10 MB
There is no limit
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11. When creating a Bigtable instance, what do you need to specify?
Instance ID and Instance type
Instance ID and Cluster ID
Instance ID and Database ID
Instance ID and Table ID
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12. What is the function of the KeyVisualizer tool in Bigtable?
It visualizes the distribution of reads and writes in a table
It visualizes the schema of a table
It visualizes the data in a table
It visualizes the network traffic to and from a table
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13. What is a hotspot in the context of Bigtable?
A region of a table with a high density of data
A region of a table that is frequently accessed
A region of a table that is experiencing high latency
A region of a table that is experiencing a high error rate
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14. How can you avoid hotspots in Bigtable?
By using a random row key design
By using a sequential row key design
By using a high replication factor
By using a high compression ratio
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15. How can you increase the write throughput of a Bigtable?
By adding more nodes to the cluster
By reducing the number of column families
By compressing the data
By using a higher replication factor
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16. What is the maximum number of versions of a cell that Bigtable retains by default?
1
3
10
100
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17. Which of the following is NOT a recommended strategy for schema design in Bigtable?
Denormalization
Pre-computation of results
Using long, complex row keys
Using simple, predictable row keys
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18. In Bigtable, how are rows sorted within a table?
By column value
By timestamp
By row key
They are not sorted
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19. Which of the following is NOT a feature of Bigtable?
ACID transactions
Automatic sharding
High availability
Strong consistency
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20. How does Bigtable ensure data is not lost in case of a node failure?
By replicating data across multiple nodes
By storing data in SSDs
By automatically creating backups
By writing data to a journal
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Wrong!
21. What is the maximum size for a row in Bigtable?
256 MB
1 GB
10 MB
There is no limit
Correct!
Wrong!
22. What is the main purpose of a column qualifier in Bigtable?
To identify a column within a column family
To identify a row within a table
To identify a cell within a row
To identify a table within a database
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23. How does Bigtable handle schema changes?
By requiring a full table scan
By requiring a table lock
By allowing schema changes without downtime or performance degradation
By requiring manual updates to each row
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24. What is the maximum number of clusters that a Bigtable instance can have?
1
4
10
There is no limit
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Wrong!
25. Which of the following is NOT a valid Bigtable instance type?
DEVELOPMENT
PRODUCTION
TEST
REPLICATION
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Wrong!
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GCP Data Engineering Bigtable – Quiz
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