1.
Apache Spark Structured Streaming is a fast, scalable, and fault-tolerant stream processing API
2.
................ is an open-source format, supported by many data platforms, including Azure Synapse Analytics.
3.
How do you infer the data types and column names when you read a JSON file?
4.
You can use your notebook to run a code without attaching it to a cluster
5.
...................... is a transactional storage layer designed specifically to work with Apache Spark and Databricks File System (DBFS).
6.
The supported Databricks notebook format is the ................ file type.
7.
In Delta Lake architecture, Which tables provide a more refined view of our data?
8.
What's the purpose of linked services in Azure Data Factory?
9.
What is a lambda architecture and what does it try to solve?
10.
If you create a DataFrame that will read some data from Azure Blob Storage, and then you create another DataFrame by filtering the initial DataFrame. What feature of Spark causes these transformation to be analyzed?
11.
You are designing an Azure Databricks table. The table will ingest an average of 20 million streaming events per day. You need to persist the events in the table for use in incremental load pipeline jobs in Azure Databricks. The solution must minimize storage costs and incremental load times. What should you include in the solution?
12.
In cluster, the results of each Job (parallelized/distributed action) is returned to the ...............
13.
In Azure Databricks, You can use both Python 2 and Python 3 notebooks on the same cluster.
14.
You can only attach a notebook for a running cluster.
15.
What happens if the command option("checkpointLocation", pointer-to-checkpoint directory) is not specified?
16.
When creating a new cluster in the Azure Databricks workspace, what happens behind the scenes?
17.
You can read and write data that's stored in Delta Lake by using ............
18.
Use ............... to remove columns from a DataFrame
19.
The driver and the executors are
20.
It is possible to put an Azure Databricks Notebook under Version Control in an Azure Devops repo
21.
................. is a scalable real-time data ingestion service that processes millions of data in a matter of seconds.
22.
How do you create a DataFrame object?
23.
When using the Column Class, which command filters based on the end of a column value? For example, a column named verb and filtered by words ending with "ing".
24.
In cluster, each Job is broken down into ..............
25.
A Cluster can have drivers running in parallel.
26.
To set a Spark configuration property called password to the value of the secret stored in secrets/apps/acme-app/password, Which syntax is correct?
27.
Use ........... and .............. to remove duplicate data in a DataFrame
28.
Scaling vertically means .................
29.
............... is a data ingestion and transformation service that allows you to load raw data from over 70 different on-premises or cloud sources.
30.
................ automates your release process up to the point where human intervention is needed, by clicking a button.
31.
................... are groups of computers that are treated as a single computer and handle the execution of commands issued from notebooks.
32.
In Azure Databricks platform architecture, the web app and cluster manager is part of the ...................
33.
Which is the correct syntax for overwriting data in Azure Synapse Analytics from a Databricks notebook?
34.
In which modes does Azure Databricks provide data encryption?
35.
..................... allows Azure to terminate the cluster after a specified number of minutes of inactivity.
36.
In Spark Application, the ................ is the JVM in which our application runs.
37.
How do you cache data into the memory of the local executor for instant access?
38.
What does Azure Data Lake Storage (ADLS) Passthrough enable?
39.
How do you list files in DBFS within a notebook?
40.
A pipeline is a logical grouping of activities that together perform a task
41.
In Azure Databricks platform architecture, the ................hosts Databricks jobs, notebooks with query results, the cluster manager, web application, Hive metastore, and security access control lists (ACLs) and user sessions.
42.
Delta Lake integrates tightly with Apache Spark, and uses an open format that is based on ....................
43.
........................ is the authorization system you use to manage access to Azure resources.
44.
In Azure Databricks, the default cluster mode is ...............
45.
In Databricks, the first user to login and initialize the workspace is the .............
46.
Which command specifies a column value in a DataFrame's filter? Specifically, filter by a productType column where the value is equal to book?
47.
Databricks was founded by the creators of ..........................
48.
You plan to perform batch processing in Azure Databricks once daily. Which type of Databricks cluster should you use?
49.
You create an Azure Databricks cluster and specify an additional library to install. When you attempt to load the library to a notebook, the library in not found. You need to identify the cause of the issue. What should you review?
50.
Azure Databricks is a ................... platform.
51.
A ............ is a collection of cells to execute code, to render formatted text, or to display graphical visualizations.
52.
You can deploy Azure Databricks using ....................
53.
What is the Python syntax for defining a DataFrame in Spark from an existing Parquet file in DBFS?
54.
You have an Azure Databricks workspace named workspace1 in the Standard pricing tier. You need to configure workspace1 to support autoscaling all-purpose clusters. The solution must automatically scale down workers when the cluster is underutilized for three minutes, minimize the time it takes to scale to the maximum number of workers, and minimize costs. What should you do first?
55.
In Spark Structured Streaming, what method should be used to read streaming data into a DataFrame?
56.
Which DataFrame method do you use to create a temporary view?
57.
As Azure Limit, Virtual Machines (VMs) per subscription per region is ..............
58.
Spark has optimized sharing data from one worker to another operation by using a format called ............
59.
............... is a fully-managed version of the open-source Apache Spark analytics and data processing engine.
60.
Which feature of Spark determines how your code is executed?
61.
.................. is a unified processing engine that can analyze big data using SQL, machine learning, graph processing, or real-time stream analysis
62.
What is the Databricks Delta command to display metadata?
63.
What is an Azure Key Vault-backed secret scope?
64.
You can create a cluster without creating a Databricks workspace
65.
What sort of pipeline is required in Azure DevOps for creating artifacts used in releases?
66.
..................... enables you to capture the audit logs and make then centrally available and fully searchable.
67.
Driver programs access Apache Spark through a .................... object regardless of deployment location.
68.
You plan to build a structured streaming solution in Azure Databricks. The solution will count new events in five-minute intervals and report only events that arrive during the interval. The output will be sent to a Delta Lake table. Which output mode should you use?
69.
When doing a write stream command, what does the outputMode("append") option do?
70.
How many drivers does a Cluster have?
71.
You need to find the average of sales transactions by storefront. Which of the following aggregates would you use?
72.
What command should be issued to view the list of active streams?
73.
In the cluster, the second level of parallelization is the .....................
74.
In Azure Databricks, High Concurrency clusters terminates automatically after 120 minutes, by default.
75.
As Azure Limit, Resource groups per subscription is ..............
76.
....................... is the in-memory storage format for Spark SQL, DataFrames & Datasets.
77.
................ is the number of which is determined by the number of cores and CPUs of each node.
78.
You are a data engineer implementing a lambda architecture on Microsoft Azure. You use an open-source big data solution to collect, process, and maintain data. The analytical data store performs poorly. You must implement a solution Provide data warehousing, Reduce ongoing management activities and Deliver SQL query responses in less than one second, Which type of cluster should you create?
79.
Use ............ to select a subset of columns from a DataFrame
80.
................. is a fundamental isolation unit in Databricks.
81.
Use ................. to return records from a Dataframe to the driver of the cluster
82.
Every Cluster has a one executor and one or more drivers.
83.
In Delta Lake architecture, Which tables provide business level aggregates often used for reporting and dashboarding?
84.
Scaling horizontally means .................
85.
Which of the following statements describes a wide transformations?
86.
The first step to using Azure Databricks is to create and deploy a .........................
87.
What happens to Databricks activities (notebook, JAR, Python) in Azure Data Factory if the target cluster in Azure Databricks isn't running when the cluster is called by Data Factory?
88.
In Databricks, The maximum number of notebooks or execution contexts attached to a cluster is ............
89.
...................... takes a step further by removing the human intervention and relying on automated tests to automatically determine whether the build should be deployed into production.
90.
Use the ............... function to display a small set of rows from a larger DataFrame
91.
In Delta Lake architecture, Which tables contain raw data ingested from various sources (JSON files, RDBMS data, IoT data, etc.)?
92.
You can only run up to ................. concurrent jobs in Databricks workspace
93.
In Azure Databricks, You can change the cluster mode after a cluster is created.
94.
Which languages are supported in Apache Spark?
95.
In Azure Databricks, only ............. supports table access control.
96.
The maximum number of jobs that a Databricks workspace can create in an hour is ..............
97.
In Azure Databricks, ............................. requires at least one Spark worker node in addition to the driver node to execute Spark jobs.
98.
To parallelize work, the unit of distribution is a Spark Cluster. Every Cluster has a Driver and one or more executors. Work submitted to the Cluster is split into what type of object?
99.
In Databricks, the notebook interface is the .............. program
100.
The first level of parallelization is the ........................ that is a JVM running on a node, typically, one executor instance per node.
101.
In Databricks, each workspace is identified by a globally unique 53-bit number, called .................
102.
In Cluster, the first level of parallelization is the .....................
103.
You are creating a new notebook in Azure Databricks that will support R as the primary language but will also support Scala and SQL. Which switch should you use to switch between languages?
104.
To use your notebook with another cluster, what should you do?
105.
What're the characteristics of the "3 Vs of Big Data"?
106.
In cluster, each parallelized action is referred to as ................
107.
In Azure Databricks, A .................. is recommended for a single user, it can run workloads developed in any language: Python, SQL, R, and Scala.
108.
Which command orders by a column in descending order?
109.
Which statement about the Azure Databricks Data Plane is true?
110.
Use the .................... function to display a DataFrame in the Notebook
111.
In Azure Databricks, ............................. has no workers and runs Spark jobs on the driver node.
112.
What steps are required to authorize Azure DevOps to connect to and deploy notebooks to a staging or production Azure Databricks workspace?
113.
You have an Azure Databricks resource. You need to log actions that relate to compute changes triggered by the Databricks resources. Which Databricks services should you log?
114.
.................. is the blade that you use to assign roles to grant access to Azure resources.
115.
In Azure Databricks, High Concurrency clusters can run workloads developed in Scala.
116.
What's the primary supported language in Apache Spark?
117.
What is required to specify the location of a checkpoint directory when defining a Delta Lake streaming query?
118.
How do you perform UPSERT in a Delta dataset?
119.
VNet peering is only required if using the standard deployment without VNet injection.
120.
............. is currently the most secure way to access Azure data services from Azure Databricks.
121.
In Azure Databricks, A .................. provide fine-grained sharing for maximum resource utilization and minimum query latencies, it can an run workloads developed in SQL, Python, and R.
122.
How can parameters be passed into an Azure Databricks notebook from Azure Data Factory?
123.
As Azure Limit, the Storage accounts per region per subscription is .............
124.
The ............... is a big data processing architecture that combine both batch- and real-time processing methods.
125.
Which method for renaming a DataFrame's column is incorrect?
126.
A Serverless Pool is self-managed pool of cloud resources that is auto-configured for interactive Spark workloads.
127.
In Databricks, maximum of number of Azure Databricks API calls/hour is ........
128.
Each Driver has a number of Slots to which parallelized Tasks can be assigned to it by the Executor.
129.
What are the two prerequisites for connecting Azure Databricks with Azure Synapse Analytics that apply to the Azure Synapse Analytics instance?
130.
In Azure Databricks platform architecture, the ................ contains all the Databricks runtime clusters hosted within the workspace.
131.
Which cluster modes are supported in Azure Databricks?
132.
The Delta Lake Architecture is a vast improvement upon the traditional Lambda architecture.
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