Go Over Again Flashcards
Which of the following BEST describes the software elements that enable an OS to interact directly with a connected hardware device?
A) Proess. B) Thread. C)Driver. D) utinility
C) Driver - are to act as underneath between the Os and the hardware device. Without the appreciate drive the OS wouldn’t know how to properly interact with the device
Which of the listed date types BEST describe operators that can link multiple search terms together ?
A) Strings B) Floats. C)Booleans. D) integers
C) Booleans - the context of seacrch terms (AND, OR, NOT )
A user struggles to access the internet via a web browser, yet they can receive email and instant messages. Which of the following actions should the user take to BEST address the problem?
A). Validate website certificates
B). Verify the proxy configuration settings
C). Disable pop up blockers
D). Clear the browser cache
B- verify the proxy configuration settings.
A misconducted proxy can prevent a web browser from accessing the internet while other services , like email and instant messaging , remain unaffected.
A programmer inserted a query within a software application. A query will be used by the application to retrieve date from a database. This scenario illustrates:
A) database manual access. B). Database utility access. C) Database programmatic access D). Database import
C) Database programmatic access D- refers to the ability of software applications to interact with a database using the embedded queries or commands.
Each row in a relational database represents a unique record. Which of following defines the role of the columns?
A) tables b) indexes c) attributes d) views
C) attributes - this is the characteristic that would have the data that is supposed to be captured. (Ex: database of employees = rows, salary = columns )
Which of the following commands can be executed in a database to initiate a query?
A) create. B) insert. C) select. D) update
C) Select - the command is a fundamental SQL statement used to retrieve date from a database
Which of the following OS utilities would be used to extend the size of a primary partition?
A) disk management
A company provides additional compensation to a software developer at the close of each year for any additional servers that have been deployed. Which of the following licensing models is the company MOST likely using?
A) subscription service. B) site license. C) concurrent license. D ) single use license
A) subscription service - typically requires periodic payments often based on servers /devices utilizing the software
Which of the following types of programming languages is typically used for manipulating a database?
A) interpreted. B) scripted. C) compiled.
D) query
SQL - query
Which of the following internal computing components is MOST prone to overheating ?
A) HDD. B) GPU. C) Motherboard. D) SSD
B) graphics processing unit - GPU.
A CSV file is most commonly associated with which of the following database concepts ?
A) Data reports b) data deletion. C) data importing. D) data queries
C) Data importing - is the process of bringing data into a database from external sources.
Which of the following pertains to an element in a database that points to the unique identifier of its parent table ?
A) attribute. B ) row. C) foreign key. D) constraint
C) foreign key, it is unique to the identifier to ensure integrity and establish a Relationship between related data sets in different tables
The broadcast signal from a newly set up wireless access point is weaker than anticipated. Which of the following steps would be MOST effective at enchanting the signal strength ?
A) switch from 802.11b to g
B) remove any sources of EMI
C) enable WPA2
D) enable WPS
Remove any sources of EMI
What type of programming languages interacts directly with hardware to manage storage, network connectivity, and virtual machines?
A) SAN. B) embedded OS. C) NAS. D) type 1 hypervisor
D) Type 1 hypervisor
What does a UPS offer protection against?
A) DoS attack. B) man in the middle attack
C) power outages. D) eavesdropping
C ) power outages - UPS stands for uninterruptible power supply