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ITCS 3160 Final Exam Newest 2025. Questions & Correct Verified Answers. Graded A
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________ facilitates the ability of applications to query relational data along with associated structured data. – ANS XPath (T/F) A data steward is a person assigned the responsibility of ensuring the organizational applications properly support the organization's enterprise goals for data quality. – ANS True (T/F) A separate data warehouse causes more contention for resources in an organization – ANS False (T/F) Data federation consolidates all data into one database. – ANS False (T/F) Exclusive locks allow other transactions to read but not update a record or other resource - ANSFalse (T/F) Field-level locks are used quite often - ANSFalse (T/F) Geological logic is the application logic component responsible for data storage and retrieval. - ANSFalse (T/F) In some three-tier architectures, most application code is stored on the application server. - ANSTrue
(T/F) Independent data marts do not generally lead to redundant data and efforts. - ANSFalse (T/F) Informational systems are designed to support decision making based on historical point-in-time and prediction data. - ANSTrue (T/F) Lack of secure standards and lack of user acceptance are the major issues that must be resolved with Web services. - ANSFalse (T/F) MapReduce is an algorithm for massive parallel processing utilized by Hadoop. - ANSTrue (T/F) NoSQL focuses on avoidance of replication and minimizing storage space. - ANSFalse (T/F) NoSQL stands for "Not Only SQL" - ANSTrue (T/F) Open Database Connectivity is an application interface that provides a common language for application programs to access and process SQL databases independent of the particular RDBMS that is accessed. - ANSTrue (T/F) Organizations adopt data mart architectures because it is easier to have separate, small data warehouses than to get all organizational parties to agree to one view of the organization in a central data warehouse. - ANSTrue
(T/F) Versioning takes the pessimistic approach to locking. - ANSFalse (T/F) When developing an application, one must decide where it will be placed when it is developed. - ANSFalse (T/F) Word processing documents are commonly stored in a 'document store' NoSQL database model. - ANSFalse A ________ is a procedure for acquiring the necessary locks for a transaction where all necessary locks are acquired before any are released. - ANSTwo-Phase lock A ________ prevents another transaction from reading and therefore updating a record until it is unlocked. - ANSExclusive lock A client PC that is responsible for processing logic, extensive application and business rules logic as well as many DBMS functions is called a: - ANSFat Client A computer that provides database storage and access in a client/server environment is called a: - ANSDatabase Server A data mart is a: - ANSData warehouse that is limited in scope A device to measure or detect fingerprints or signatures is called a __________ device. - ANSBiometric Device
A PC configured to handle user interface with little or no logical storage is called a: - ANSThin Client A star schema contains both fact and _______ tables. - ANSDimension A trigger can be used as a security measure in which of the following ways? - ANSTo cause special handling procedures to be executed. A web server: - ANSProcesses client requests and returns HTML pages to the client An audit trail of database changes is kept by a: - ANSJournalizing facility An open-source DBMS is: - ANSA free source RBMS that provides the functionality of an SQL-compliant DBMS Data quality is important for all of the following reasons EXCEPT: - ANSIt provides a stream of profit Data quality problems can cascade when: - ANSData are copied from legacy systems Data quality ROI stands for: - ANSRisk of Incarceration Data that are accurate, consistent, and available in a timely fashion are considered: - ANSHigh-Quality
The oldest form of analytics is: - ANSDescriptive Analytics The role of a _________ emphasizes integration and coordination of metadata across many data sources. - ANSData warehouse administrator The use of a set of graphical tools that provides users with multidimensional views of their data is called: - ANSon-line analytical processing (OLAP) TQM stands for: - ANSTotal Quality Management When we consider data in the data warehouse to be time-variant, we mean: - ANSData in the warehouse contain a time dimension so that they may be used to study trends and changes. Which of the following advances in information systems contributed to the emergence of data warehousing? - ANSAdvances in middleware products that enables enterprise database connectivity across heterogenous platforms. Which of the following data-mining techniques searches for patterns and correlations in large data sets? - ANSRule Discovery Which of the following functions develop integrity controls - ANSDatabase design
Which of the following functions model business rules. - ANSDatabase analytics Which of the following is an advantage of stored procedures? - ANSPerformance improves for compiles SQL statements. Which of the following is NOT a common distribution logic for two-tiered server environments? Distributed Tall Client Thin Client Fat Client - ANSTall Client Which of the following is true about 3-tier architectures? More technological flexibility Requires a Mac Less scalable than two-tier Increased risk - ANSMore Technological flexibility Which of the following organizational trends does not encourage the need for data warehousing. - ANSDownsizing