Computers and Technology Quiz & Practice Tests - Test Your Skills

Expertise and experience of organizational members that has not been formally documented best describes: A. tacit knowledge. B. wisdom. C. information. D. data.
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Compute the covariance matrix to identify correlations Compute the eigenvectors and eigenvalues of the covariance matrix to identify the principal components Create a feature vector to decide which principal components to keep Recast the data along the principal components axes First, some basic (and brief) background is necessary for context.
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T/F BEFORE means before the changes are made in memory but after the changes are permanently saved to disk
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if there is a difference between the message that is sent and the message that is received, it is probably due to noise. t or f
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the chief information officer (cio) is negotiating lease prices with several telecommunications providers. she wants a service that offers circuits that will link to various physical buildings and branches, including a connection to the physical demarcation point. for what network infrastructure will this service be used?
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which happens first authorization or authentication? group of answer choices authorization authentication authorization
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select all that apply. in an inheritance situation, the new class that you create from an existing class is known as the
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what is the main disadvantage of a poll? a. power b. can not set priorities c. no way to mask it d. no hardware support e. too complicated g
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where must program instructions and data reside in order for the cpu to directly read and execute them? group of answer choices hard disk ram, or memory bus flash drive
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what is the most efficient category of iaas in terms of cost and resource usage? private hosting cloud hosting hybrid hosting dedicated hosting
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breanne ran a vulnerability scan of a server in her organization and found the vulnerability shown here. what is the use of the service affected by this vulnerability?
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manuela has researched a third-party software firewall she wants to install on her pc since she believes it is a better quality than the operating system's onboard firewall. she has read the installation instructions. the firewall is compatible with her operating system and has gotten good customer reviews. after performing the installation last week, she notices that numerous malicious exploits are successfully hacking her computer. what went wrong?
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you just finished installing a network adapter, and after booting up the system, you installed the drivers. you open explorer on a remote computer and don't see the computer on which you installed the new nic. what is the first thing you check?
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sandra is working from home today and has decided she will be gaining remote access to linux today at a shell prompt. sandra knows that the method she is choosing does not encrypt her transmissions. what would the remote access type be called?
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the range of wi-fi networks using microwave connections is being extended over greater distances using a new technology known as
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you are the administrator for a large computer company. you need to set up the company's laptops so that both the hard disk and the display will be turned off after 20 minutes. which windows 10 power plan will you use?
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Multiple Choice Questions1. Which one of the following statements best describes computer privacy?(a) Securing a computer from fires and earthquakes.(b) Protecting a computer from a power surge.C) Preventing your friend from viewing your computer data without your permission.(d) Preventing important computer files from getting accidentally deleted.urity measures can you adopt to help protect your computer an
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____ components can provide automated response to sales inquiries, Web-based order processing, and online inventory tracking.
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The project plan which results from defining the system is the input to ________, which is the second phase of the SDLC.
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the _______ in employment during a recession is smaller if wages are _______. A)increase; flexible B) decline; rigid C) decline; flexible D) increase; rigid
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Select all the correct text in the passage. What is an example of an "IS-A" relationship? a column IS-A database a keyboard IS-A peripheral device a door IS-A window a teacher IS-A student a boy IS-A person a ball IS-A cube
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given a signinmanager object named signinmanager and a user object named user, which of the following attempts to log in the user? a. signinmanager.login(user); b. await signinmanager.signinasync(user, ispersistent: false); c. await signinmanager.loginasync(user); d. signinmanager.signin(user, ispersistent: false);
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which of the following best describes an inside attacker? answer an agent who uses their technical knowledge to bypass security. a good individual who tries to help a company see their vulnerabilities. an attacker with lots of resources and money at their disposal. an unintentional threat actor (the most common threat).
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when there is an addition to a node's left subtree that creates an unbalanced search tree, you can correct it with a(n)
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