IT Concepts and Terminology 2

What is the final step in the troubleshooting methodology?

• Implement the solution

• Test the theory to determine the cause

• Document findings/lessons learned, actions, and outcomes

• Establish a plan of action

Answer explanation

The final step in the troubleshooting methodology is to document the findings, lessons learned, actions taken, and outcomes of the troubleshooting process. Testing the theory to determine the cause is a part of the troubleshooting methodology, but it is not the final step. Implementing the solution is a step in the troubleshooting methodology, but it is not the final step. Establishing a plan of action is a step in the troubleshooting methodology, but it comes before implementing the solution and verifying full system functionality, not at the end. For support or reporting issues, include Question ID: 64ac468798000c9500aa05ad in your ticket. Thank you.

In which notational system does the number 101101 represent a valid integer value?

• Hexadecimal

• Binary

• Unicode

• Unicode

Answer explanation

inary is a base-2 numbering system that employs only two base digits (0 and 1). The given number, 101101, consists of only 0s and 1s, which indicates it is a valid binary number. Unicode is a character encoding standard designed to support a wide range of characters, including those from various languages and scripts, symbols, and other writing systems. Unicode represents characters rather than numeric values, so it is not suitable for representing the number 101101 in this context. Hexadecimal is a base-16 numbering system that uses digits from 0-9 and letters A-F to represent values. Although 101101 can be represented in hexadecimal, the number's composition of only 0s and 1s suggests it is not a hexadecimal number. Decimal is the standard base-10 numbering system used in everyday life and mathematics, using ten unique digits from 0-9. While the number 101101 can also be represented in decimal, the question specifically states "valid integer value". Given the presence of only 0s and 1s, it is unlikely to be a decimal number. For support or reporting issues, include Question ID: 649af6822816eac09ad77478 in your ticket. Thank you.

Aaliyah is faced with a complex problem in her software development project. Which of the following strategies would be the most effective for Aaliyah in solving this problem?

• Breaking the problem down into smaller, manageable parts and solving each part individually

• Waiting for a colleague to solve the problem

• Ignoring the complexity and trying to solve the problem in one go

• Trying random solutions until one works

Answer explanation

Breaking the problem down into smaller, manageable parts and solving each part individually is the divide and conquer strategy. It allows Aaliyah to focus on each part of the problem individually, making the problem-solving process more manageable and efficient. Ignoring the complexity and trying to solve the problem in one go can be overwhelming and inefficient, especially for complex problems. While collaboration can be helpful, waiting for someone else to solve the problem can delay progress and does not guarantee a solution. Trying random solutions until one works can be time-consuming and does not guarantee a solution. It's also not an efficient use of resources. For support or reporting issues, include Question ID: 64ac3565626dce22803293f7 in your ticket. Thank you.

Which among the following units is commonly used to measure network throughput?

• Which among the following units is commonly used to measure network throughput?

• Byte

• Bits per second (bps)

• Hertz (Hz)

Answer explanation

Bits per second (bps) is a common unit used to measure network throughput, it measures the rate at which data can be transferred through a network connection. The higher the bps rate, the faster the network's throughput. A byte, most commonly composed of 8 bits, is a standard unit of digital information in computing and digital communications, but it's typically not used to express the speed of data transmission in networks. While sometimes used (as in megabytes per second, or MBps), generally, bits per second (bps) is standard. Hertz is a measure of frequency (cycles per second), not data transfer rate or throughput. It is used predominantly in the context of wave frequencies and processor clock speeds, not network throughput. Pixel is a measure of resolution used in digital imaging, not throughput. It refers to the smallest addressable element in a display, not a measure of speed or data transfer. For support or reporting issues, include Question ID: 649d7e9918636238ba242e59 in your ticket. Thank you.

Isabella is a software engineer who has developed a theory about the root cause of a bug in her application. However, after testing, her theory is not confirmed. Which of the following strategies would be the MOST effective for Isabella in this situation?

• Ignoring the results and continuing with the initial theory

• Establishing a new theory based on the test results or escalating the issue to a more experienced colleague

• Trying random solutions until the problem is resolved

• Waiting for a colleague to solve the problem

Answer explanation

tablishing a new theory based on the test results or escalating the issue to a more experienced colleague allows Isabella to either adjust her approach based on the new information or seek help from someone with more experience, leading to a more effective and efficient resolution. Trying random solutions until the problem is resolved can be time-consuming and does not guarantee a solution. It's also not an efficient use of resources. Ignoring the results can lead to ineffective solutions and waste of time. While collaboration can be helpful, waiting for someone else to solve the problem can delay progress and does not guarantee a solution. For support or reporting issues, include Question ID: 64ac3807626dce2280329401 in your ticket. Thank you.

The number 42 is frequently used in everyday life and mathematics. What notational system does it belong to among the given choices?

• Decimal

• Hexadecimal

• Unicode

• Binary

Answer explanation

Overall explanation

Decimal is the standard base-10 numbering system used in everyday life and mathematics. It uses ten unique digits from 0-9. The given number, 42, belongs to this notational system. Hexadecimal is a base-16 numbering system that uses digits from 0-9 and letters A-F to represent values. While the number 42 can also be represented in hexadecimal (2A), the question specifies the context of everyday life and mathematics, making decimal the correct answer. Unicode is a character encoding standard designed to support a wide range of characters, including those from various languages and scripts, symbols, and other writing systems. Unicode represents characters rather than numeric values, so it is not suitable for representing the number 42 in this context. Binary is a base-2 numbering system that employs only two base digits (0 and 1). The given number, 42, contains digits outside of this range and is not a binary number. For support or reporting issues, include Question ID: 649af55afe23c27e1fbab72a in your ticket. Thank you.

Which unit of measurement is MOST commonly used to describe the storage capacity of a standard hard drive available in the consumer market today?

• Kilobyte (KB)

• Gigabyte (GB)

• Petabyte (PB)

• Megabyte (MB)

Answer explanation

Gigabytes are the standard unit for measuring the storage capacity of consumer-grade hard drives. Kilobytes and megabytes being much smaller, are no longer practical for modern hard drives that require larger storage capacities. Petabytes represent a very large storage capacity that far exceeds typical consumer requirements, being more applicable to large scale data centers or enterprise level storage. For support or reporting issues, include Question ID: 6643ba05d397c9caa8130a95 in your ticket. Thank you.

Which of the following BEST describes the role of a CPU in a computer?

• It is only responsible for inputting data

• It outputs information to peripheral devices

• It executes instructions and performs calculations

• It stores information for long term use

Answer explanation

The CPU (Central Processing Unit) is the primary component of a computer that performs most of the processing inside the computer. It executes instructions from the computer's memory. Long-term storage of information is typically handled by devices such as hard drives and SSDs, not the CPU. The CPU processes data; it doesn't input it. Input devices like a keyboard or mouse are used for inputting data. While the CPU does send information to peripheral devices, this is not its primary role. The output function is mainly performed by output devices like monitors and printers. For support or reporting issues, include Question ID: 64ad5f905f2880ca8903ce71 in your ticket. Thank you.

Of the following, which unit of measurement is MOST appropriate for evaluating the performance of an enterprise-level data center's backbone network and for analyzing high-volume data transfers between global servers?

• Gigabits per second (Gbps)

• Kilobits per second (Kbps)

• Megabits per second (Mbps)

• Bits per second (Bps)

Answer explanation

- Gigabits per second (Gbps) is the best unit for assessing performance in enterprise-level data centers and for high-volume data transfers between global servers, it suits the high data rates typical in these environments. Bits per second (bps), and kilobits per second (Kbps) cannot handle the throughput demands of modern data centers and international data exchanges. While megabits per second (Mbps) work for smaller networks, it falls short in many settings that require much higher data rates for extensive data transfers and high-speed connectivity. For support or reporting issues, include Question ID: 6644bc6bca754d592c8d43bf in your ticket. Thank you.

Alex, an IT specialist, stumbles upon an unfamiliar error message while installing a new software. He has successfully identified the problem but is not quite sure of the next steps. Which of the following is the BEST approach to this challenge?

• Simply restart the computer and hope the problem resolves itself

• Ignore the error message and proceed with the installation

• Research the error message on the vendor's knowledge base or on the Internet

• Uninstall and reinstall the entire operating system+

Answer explanation

Once the problem is identified, the next logical step would be to delve into the knowledge base or search the Internet. There's a good chance that someone else might have encountered the same problem and found a solution. Ignoring the error message might lead to more complications. It's crucial to understand the implications of the error before proceeding. While restarting often solves minor issues, it might not be the best strategy when confronted with an error message during installation. Alex needs more information to troubleshoot effectively. Uninstalling and reinstalling the entire operating system is quite a drastic measure and could potentially result in data loss. It's better to understand the error message and look for a less severe solution first. For support or reporting issues, include Question ID: 64ad8616505710a69b81208b in your ticket. Thank you.