Tech Concepts and Terminology

Which component of a computer stores data permanently even when the power is turned off?

A user notices their computer is running slowly and has many applications open. Which TWO hardware components are most likely to impact the speed at which multiple applications can run simultaneously? (Select TWO).

A user wants to permanently delete files from a USB flash drive without any possibility of recovery. Which of the following techniques should be used?

A company wants to run multiple operating systems on a single physical server to maximize resource utilization. Which technology should they use?

A technician is evaluating the CPU specifications of two computers. Which THREE factors directly affect the CPU's performance? (Select THREE.)

An IT specialist is explaining ASCII and Unicode to a trainee. Which statement accurately describes a difference between ASCII and Unicode?

Which type of memory is volatile and loses its data when the computer is turned off?

Which of the following best describes the function of a hypervisor?

A systems administrator is configuring a new server and needs to ensure high availability and reliability. Which THREE of the following are characteristics of cloud computing that support high availability? (Select THREE.)

A technician needs to convert a decimal IP address octet value of 192 to binary. Which of the following is the correct binary representation?

A user wants to store a file with lossless compression. Which TWO of the following file formats support lossless compression? (Select TWO.)

A computer has 8 GB of RAM. If the operating system and applications are using 3.2 GB, how much RAM is available for other processes?

A network technician needs to perform a bitwise AND operation on two binary numbers: 10110110 and 11001101. What is the result in decimal?

Which of the following is an example of system software?

Which of the following best describes the role of an operating system?

A memory address is displayed as 0x1A3F. What is the correct base of this representation?

An IT professional is explaining to a client the difference between an HDD and an SSD. Which statement best describes a key advantage of an SSD over an HDD?

A company is considering moving its email system to the cloud and wants to avoid managing the underlying servers and software. Which cloud service model would best suit this need?

A network engineer is configuring a device and needs to enter a MAC address. Which notational system is typically used for MAC addresses?

A company is choosing a storage solution for archival data that is rarely accessed. Which TWO characteristics are typically true of HDDs compared to SSDs? (Choose two.)

Which of the following describes a nibble?

A technician is troubleshooting a network issue and needs to view the MAC address of a device. Which notational system is the MAC address most likely represented in?

Which of the following is the decimal equivalent of the binary number 1101?

A company wants to run a Linux virtual machine on a Windows host without dual-booting. Which type of software is needed to create and manage the virtual machine?

A user notices that their computer runs slowly when multiple applications are open simultaneously. Which hardware component is most likely insufficient for the current workload?

Which of the following is the binary representation of the decimal number 10?

A technician is troubleshooting a computer that fails to boot. The technician suspects corrupted firmware. Which component stores the firmware that initializes hardware during boot?

A programmer writes a loop that performs a bitwise AND operation between the byte 0b11001100 and the mask 0b00001111. What is the result in decimal?

A technician is explaining data representation to a trainee. Which TWO of the following are character encoding standards used in computing? (Select TWO).

A company is planning to adopt cloud computing. Which THREE of the following are benefits of using cloud services compared to on-premises infrastructure? (Select THREE).

A digital image is stored in a file that retains all original data without any loss. Later, the file is compressed using a technique that discards some data to reduce file size, but the image quality is lower. Which type of compression was applied?

A user is concerned about losing edits to a document if the power fails. Which type of memory is the document most likely stored in while being edited?

A technician is troubleshooting a computer that fails to boot. The technician checks the system's low-level software stored on a chip on the motherboard. Which type of software is being inspected?

A user is experiencing slow performance and wants to upgrade their computer's RAM. Which TWO factors should they consider when purchasing new RAM? (Choose two.)

A company wants to use a cloud service where they can deploy their own applications on virtual machines without managing the underlying hardware. Which cloud service model best fits this requirement?

A user needs to run a Windows application on a Mac. Which approach uses a hypervisor to create a separate environment?

What is the decimal equivalent of the binary number 1101?

A technician is troubleshooting a computer that does not start. They suspect the BIOS may be corrupted. Which type of software is the BIOS?

Which of the following is an example of lossy compression?

Which of the following is an example of application software?

Which cloud service model provides the customer with the ability to run and manage applications on a cloud infrastructure but does NOT give control over the underlying operating system?

A technician needs to install a new graphics card in a desktop computer. Through which type of slot is the graphics card typically connected to the motherboard?

Which of the following character encodings can represent characters from virtually all written languages?

A student is converting the hexadecimal number 2F to decimal. What is the correct decimal value?

A system administrator is configuring a server to provide email services for a small business. The business wants to avoid managing the underlying infrastructure. Which cloud service model best fits this need?

Which cloud service model provides users with access to software applications over the internet without managing the underlying infrastructure?

A technician needs to identify a network interface on a device. Which notational system is most commonly associated with MAC addresses?

Which of the following units represents the largest amount of data?

A company is choosing between public, private, and hybrid cloud deployments. Which TWO statements correctly describe characteristics of these cloud models? (Select TWO.)

A technician is troubleshooting a computer that fails to boot. Which of the following types of firmware is responsible for initializing hardware and loading the operating system?

A file is compressed using a lossless algorithm. Which of the following file types is most likely the result?

A technician is converting the decimal number 255 to binary. Which binary value is correct?

A user wants to save a photo with the highest quality but does not care about file size. Which file format should they use?

A support technician is explaining file compression to a user. Which THREE of the following are examples of lossless compression formats? (Select THREE).

A network technician is troubleshooting a connectivity issue and needs to identify the destination MAC address of a frame. Which TWO of the following are true about MAC addresses? (Select TWO.)

A user notices that a file saved as a JPEG is smaller than the original BMP file. Which type of compression does JPEG typically use?

A user wants to upgrade a desktop computer for better gaming performance. Which TWO components should the user consider upgrading to improve graphics processing? (Select TWO).

A graphic designer needs to save an image with high quality and no data loss. Which THREE file formats should the designer consider for lossless compression? (Select THREE.)

A graphic designer needs a component to accelerate rendering of 3D models. Which of the following computer hardware components is specifically designed for this purpose?

Which of the following best describes the function of an operating system?

Which of the following best describes the function of a CPU cache?

A network technician is analyzing a hexadecimal IP address representation. Which TWO of the following are common uses of hexadecimal notation? (Select TWO).

A company is moving its email system to a cloud provider. The provider offers the software, platform, and infrastructure. Which TWO cloud service models are being used? (Select TWO.)

Which of the following is the binary representation of the decimal number 5?

Which of the following storage technologies uses spinning platters and a mechanical arm to read and write data?

Which of the following storage types uses spinning platters to read and write data?

An IT instructor is teaching about binary arithmetic operations. Which TWO of the following are correct results of a logical XOR operation on the binary inputs 1 and 0? (Select TWO.)

Which component on the motherboard is responsible for temporarily storing frequently accessed data to speed up processing?

A support technician is explaining binary operations to a junior technician. Which TWO of the following are valid binary arithmetic operations? (Select TWO.)

A network technician is configuring a device and needs to enter a MAC address. Which of the following is a valid MAC address in hexadecimal notation?

A user is selecting a new computer and sees that the CPU has a clock speed of 3.6 GHz and four cores. What does the clock speed of 3.6 GHz indicate?

A developer is writing a program that needs to handle text in multiple languages, including Chinese and Arabic. Which TWO character encoding systems should they consider? (Choose two.)

Which of the following is an example of a lossy compression format?

A technician is explaining the difference between lossy and lossless compression to a colleague. Which of the following file formats uses lossy compression?

Which of the following best describes the function of an operating system?

A user is selecting a storage device for a new computer and wants fast boot times and durability. Which TWO storage technologies should the user consider? (Select TWO.)

Which of the following is the result of the binary operation 1101 AND 1011?

Which of the following is the binary result of the AND operation on 1010 and 1110?

A company is choosing between HDD and SSD storage for new laptops. Which THREE of the following are advantages of SSDs over traditional HDDs? (Select THREE.)

A technician is installing a new graphics card and needs to connect it to the motherboard. Which type of slot is typically used for a dedicated GPU?

Which of the following character encoding standards supports characters from most of the world's languages and uses a variable number of bytes per character?

A technician is explaining the difference between volatile and non-volatile memory to a trainee. Which TWO of the following are examples of volatile memory? (Select TWO.)

A technician is explaining data storage to a customer. Which of the following best describes the difference between a bit and a byte?