CompTIA DataSys+ v1.0

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Exam contains 93 questions

A database administrator is new to a company and wants to create a document that illustrates the interaction between tables. Which of the following should the administrator create?

  • A. Troubleshooting guide
  • B. Entity relationship diagram
  • C. Data dictionary
  • D. Database reference manual


Answer : B

Which of the following can be used to protect physical database appliances from damage in a server room? (Choose two.)

  • A. Biometric access systems
  • B. Database control systems
  • C. Fire suppression systems
  • D. Camera systems
  • E. Key card systems
  • F. Cooling systems


Answer : CF

A database administrator needs to ensure continuous availability of a database in case the server fails. Which of the following should the administrator implement to ensure high availability of the database?

  • A. ETL
  • B. Replication
  • C. Database dumping
  • D. Backup and restore


Answer : B

A database's daily backup failed. Previous backups were completed successfully. Which of the following should the database administrator examine first to troubleshoot the issue?

  • A. CPU usage
  • B. Disk space
  • C. Event log
  • D. OS performance


Answer : C

A database administrator is updating an organization's ERD. Which of the following is the best option for the database administrator to use?

  • A. Word processor
  • B. Spreadsheet
  • C. UML tool
  • D. HTML editor


Answer : C

A database administrator needs a tool to document and explain the relationships between data in an organization's database. Which of the following is the best tool to accomplish this task?

  • A. Text editor
  • B. UML editor
  • C. Word processor
  • D. SQL query


Answer : B

A database administrator has been asked to assign a user the ability to view a data set. Which of the following practices best describes this request?

  • A. Access control
  • B. Security audit
  • C. Database audit
  • D. Password policy implementation


Answer : A

Which of the following firewall types allows an administrator to control traffic and make decisions based on factors such as connection information and data flow communications?

  • A. Circuit-level
  • B. Stateful
  • C. Proxy
  • D. Packet


Answer : B

A new retail store employee needs to be able to authenticate to a database. Which of the following commands should a database administrator use for this task?

  • A. INSERT USER
  • B. ALLOW USER
  • C. CREATE USER
  • D. ALTER USER


Answer : C

A developer is designing a table that does not have repeated values. Which of the following indexes should the developer use to prevent duplicate values from being inserted?

  • A. Unique
  • B. Single column
  • C. Implicit
  • D. Composite


Answer : A

Which of the following would a database administrator monitor to gauge server health? (Choose two.)

  • A. CPU usage
  • B. Memory usage
  • C. Transaction logs
  • D. Network sniffer
  • E. Domain controllers
  • F. Firewall traffic


Answer : AB

A database administrator is concerned about transactions in case the system fails. Which of the following properties addresses this concern?

  • A. Durability
  • B. Isolation
  • C. Atomicity
  • D. Consistency


Answer : A

Which of the following is a reason to create a stored procedure?

  • A. To minimize storage space
  • B. To improve performance
  • C. To bypass case sensitivity requirements
  • D. To give control of the query logic to the user


Answer : B

An on-premises application server connects to a database in the cloud. Which of the following must be considered to ensure data integrity during transmission?

  • A. Bandwidth
  • B. Encryption
  • C. Redundancy
  • D. Masking


Answer : B

Which of the following statements contains an error?

  • A. Select EmpId from employee where EmpId=90030
  • B. Select EmpId where EmpId=90030 and DeptId=34
  • C. Select* from employee where EmpId=90030
  • D. Select EmpId from employee


Answer : B

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Exam contains 93 questions

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