Self-check 2 Part-I multiple Choice 1. What is the primary purpose of a database index? A) To reduce storage space usage B) to enforce data integrity constraints C) To maintain uniqueness of the indexed column(s) D)To create a backup of the database 2. Which type of lock is used for read operations , allowing multiple transactions to read a resource simultaneously? A) Exclusive Lock B) Write Lock C) Shared Lock D) Read Lock 3. What is a data dictionary in the context of database management? A) A dictionary containing words and their meanings B) A collection of descriptions of data objects in a database C) A tool for spell-checking in databases D) A data backup file Part-II Give short answer 1. Why is it crucial to regularly verify the integrity of database backups? 2. Briefly explain the importance of backup verification and retrieval in data management. 3. What are some key steps in monitoring and resizing storage resources in a database system?

Fill in the blanks below. The $\square $ mode will add new v text to a file without erasing its contents. The $\square $ mode will overwrite v the fi $\square $ text extend append add

2. You have problem with your c omputer The Aloric za End User Suppo rt person assisting you asks for your password.problem Give it to them but chang e it once your computer is fixed. Refuse and instead ask them to provide your User Security PIN Question it but provide the basswor d tô them anyway. Give it t them they're in IT so they'r authorized.

3. What are the four most common types of cyber attacks launched against K-12 school districts? See pages $3-11$ then identify each one and briefly describe it. __ 1. 2. 3 __ . Go to the incident map located at this website: https://www.h (12six.org/map. Find 3 incidents on the map located near your school or at least in your state and briefly __ ours MART CYBERTHREATS STUDENT WORKBOOK

During the design stage of the software design process, the project manager meets with developers. What are they MOST likely discussing? (1 point) what app store to use to deploy the finished product bugs and patches budget and timelines layout and programming languages

Blake uses 110010 to represent the decimal number 50. This is an example of a __ (1 point) binary number bit float integer Boolean value

What is Al bias? When an Al tool makes an incorrect or problematic decision due to flawed training data. When an Al works faster on some computers than on others. When an Alls biased against other Al programs. When an Al has a favorite color.

Adding a field to a blank form places __ control(s) in a stacked layout. two three four only one

Which step in the Cyber Attack Cycle involves delivering the malware to the target? Delivery Reconnaissance Exploitation Malicious Actions

What is a common cause of name resolution failures on Linux systems? DNS misconfigurations Corrupted log files Incorrect time settings Bootloader failures Clear my selection

The f-block transition elements are known as "inner transition elements". a TRUE b FALSE