Modern Data Warehouse Question Answers

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1]WHAT IS NOT A COMPONENT OF AN ON-PREMISES DATA WAREHOUSE?

ANS: PROCESSING SPACE

2]YOU HAVE AN ON-PREMISES DATA WAREHOUSE ALREADY INSTALLED IN YOUR ORGANIZATION. IN THE PERIOD FOLLOWING THE COVID PANDEMIC, YOUR BUSINESS STARTED TO GROW EXPONENTIALLY, AND YOU WERE TIRED OF ADDING MORE NODES TO THE PHYSICAL STORAGE OF THE
DATA WAREHOUSE. YOU DECIDE TO MODERNIZE YOUR DATA WAREHOUSE AND MAKE IT CLOUD-
BASED. WHAT MAJOR ADVANTAGE WILL YOU ACHIEVE BY MODERNIZING YOUR DATA WAREHOUSE?

ANS: SPEED UP TIME AND ANALYTICS

3]YOU HAVE INCORPORATED THE USAGE OF AMAZON REDSHIFT IN YOUR ORGANIZATION, AND YOU
DON’T WANT YOUR DATA TO BE CORRUPTED BY PROCESSING. THEREFORE YOU WANT THE DATA TO
BE STORED IN RAW FORMAT BEFORE THE PROCESSING IS DONE, WHICH IS A SERVICE OFFERED BY
AMAZON REDSHIFT. WHAT IS THE KEY BENEFIT OF STORING DATA IN RAW FORMAT?

ANS: MNIMAL LOSS OF DATA

4]BIGQUERY IS A CLOUD-NATIVE WAREHOUSE THAT IS ALSO A FULLY MANAGED DATA WAREHOUSE.
WHAT IS THE MAJOR ADVANTAGE OF BIGQUERY OVER AMAZON REDSHIFT THAT MAY BE A DECIDING
FACTOR FOR THE SELECTION OF A DATA WAREHOUSE?

ANS: ACCESS CONTROL ALLOWS IMPROVED DATA SHARING

5]YOU HAVE A VERY WELL-RUN MANAGEMENT PROGRAM IN YOUR ORGANIZATION, WHICH IS VERY
SECURE. YOU USE ANALYTICS FOR MAKING BIG DATA DECISIONS. IN RECENT MONTHS, YOU REALIZE
THAT WHATEVER DECISIONS YOU ARE MAKING BASED ON THE ANALYTICS ARE PROVIDING TO BE
WRONG AND HARMFUL FOR THE ORGANIZATION. AFTER CONSULTING WITH THE DATA ANALYTICS
AND DATA STEWARDSYOU CONCLUDE THAT IT IS DUE TO POOR DATA QUALITY. WHAT SHOULD BE
THE NEXT STEP OF ACTION?

ANS: INSTALL A FIREWALL

6]YOUR ORGANIZATION HAS AN EFFECTIVE SALES TEAM THAT IS BACKED UP BY ANALYTICS THAT
HELP ACCLERATE THE PROCESS OF SALES FROM THE INITIAAL CONTACT. ONE OF THE PRIMARY
REASONS FOR ITS EFFECTIVENESS IS A DATA INPUT TOOL THAT HASTENS THE PROCESS OF DATA
ENTRY BY PROVIDING PRESET SUGGESTIONS. WHAT ARE THESE SUGGESTIONS COMMONLY KNOWN
AS IN DATA SCIENCE TERMINOLOGY?

ANS: REFERENCE DATA

7]YOU HAVE AN AUTOMOBILE COMPANY THAT HELPS SORT OUT VEHICLES AND MAKE MONTHLY
SALES VERSUS EXPENDITURE REPORTS. WHAT IS THE BEST WAY TO HANDLE THE DATA FOR
CENTRALLY STORING IT?

ANS: BATCH PROCESSING

8]OTHER THAN GAINING REAL-TIME INSIGHTSOF THE DATA, WHAT IS ANOTHER MAJOR ADVANTAGE
OF STREAMING ANALYTICS?

ANS: REAL-TIME DASHBOARDS

9]IN A CANDLESTICK CHART, YOU SEE THE SHARE PRICE OF YOUR COMPANY FALLING. YOU HAVE
IMPLEMENTED ASTREAMING ANALYTICAL TOOL HELPS IN ANALYZING AND DASHBOARDING THE DATA AS IT IS PRODUCED. OU REALIZE THAT THE CANDLESTICKS PATTERN HAS CONSOLIDATED AND IS
NOT RESPONDING WELL TO THE INFLUX OF DATA. WHAT IS THE SOURCE OF THIS PROBLEM?

ANS: SERVER DOWNTIME

10]YOU PLAN TO IMPLEMENT A MODERN DATA WAREHOUSE SOLUTION INTO YOUR ENTERPRISE. YOU HAVE UNDERSTOOD THE PROPER DATA MANAGEMENT AND GOVERNANCE ISSUES. YOU HAVE
SET UP ALL YOUR DOMAINS AND DATA INGESTION. NOW YOU PLAN TO MAKE A CENTRAL
REPOSITORY OF ALL YOUR FILES. WHAT SHOULD BE THE NEXT STEP FOR THE IMPLEMENTATION OF
THE DATA WAREHOUSE SOLUTION?

ANS: SELECTION OF THE NATURE OF THE DATA