Ultimate Computers and Technology Study Guide - Questions & Answers

discuss whether or not the following devices/processes are open-loop or closed-loop. if they are closed-loop, please explain the sensing mechanism. (a). traffic light; (b). washing machine; (c). toaster; (d). aircraft autopilot; (e). temperature regulation in human body.
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Identify and describe the three basic operations used to extract useful sets of data from a relational database?
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(Java) Complete the method definition to output the hours given minutes. Output for sample program: 3.5
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Which statement produces a compilation error?A.class A extends M implements I, L, J {// code was removed}B.class A extends M, N implements I {// code was removed}C.class A extends M implements I {// code was removed}class B extends N implements I {// code was removed}D.class A extends M implements I {// code was removed}
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_____specialized rules, abbreviations, formatting, and symbols that alert users to important information.
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consider a nn with 10 input features, and one hidden layer with 5 neurons and output layer with 3 features. how many parameters (theta's) that this network has?. do not count the bias. group of answer choices 50 30 65 10
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a host sends a packet to another host with six single networks along the way. how many packets are involved in this transmission?
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rather than displaying multiple rows at once, a details view lets the user see one row at a time. question 70 options: true false
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you have a very small network in a home-based office, and you want to limit network access to only those hosts that you physically own. what should you utilize to make this possible?
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we consider vsfs. we assume that the starting affress of the inode region is 54kb and inode object size is 512b. for inode 74, what is its physical address in terms of byte position.
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how do you handle the integration between the old and new systems? adapt the old module to integrate with the new module replace the old module with a new module provided by the erp
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the area of an object that extends past the edge of a page to compensate for variations in the output process is called the
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a cache is 3-way associative. it has a 9bit offset, a 11 bit index, and a 44 bit tag. what is the cache's capacty in bytes?
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which of the following describe a system image backup? answer a system image contains everything on the system volume, including the operating system, installed programs, drivers, and user data files. a system image does not include operating system files, program files, encrypted files, files in the recycle bin, user profile settings, or temporary files. a system image includes only specified files and folders backed up to a compressed file. a system image only contains the operating system, installed programs, drivers, and user profile settings.
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santiago is a new network engineer for a mid-sized company. it is his responsibility to ensure that all employees working from home are able to connect to the office network in an efficient and secure manner. he must provide a service that allows communications between out-of-office staff and network resources to be encrypted at the protocol level and to be performed by either client or server software. the solution must also ensure that even if protocol encryption fails, the data is safe by its own encryption. what solution does he select?
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you arrive to your first day of work at a new lab. you are taking over for someone who took a new job at another lab. your boss informs you that because of time restraints, this person did not exactly follow the experimental protocol. in order to proceed, you must know what he did differently. (1) according to the lab lecture, under what section of his notebook would you look to find the experimental steps? (2) as changes to the experimental steps were made, what are these differences called, and how should it appear in the lab notebook?
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what was the problem you were solving in the projects for this course? how did you approach the problem? consider why data structures are important to understand. how did you overcome any roadblocks you encountered while going through the activities or project? how has your work on this project expanded your approach to designing software and developing programs? how has your work on this project evolved the way you write programs that are maintainable, readable, and adaptable?
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daniel has been tasked with setting up an option for users who work from home to gain access to the desktops within the office. what would allow the users to access the office desktops from their local network so that they may continue their work from home environment?
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you have downloaded a file from the internet. you generate a hash and check it against the original file's hash to ensure the file has not been changed. which information security goal is this an example of? answer integrity confidentiality authenticity non-repudiation
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matthew is creating a new forum for system engineers from around his organization to discuss security configurations of their systems. what scap component can matthew take advantage of to help administrators have a standard language for discussing configuration issues?
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carl is a network engineer for a mid-sized company. he has been assigned the task of positioning hardware firewalls in the it infrastructure based on common pathways of communication. after analyzing the problem, on which aspect of the network does he base his design?
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in order to accommodate the rapidly increasing number of devices that need ip addresses, such as smartphones and devices that constitute the internet of things, what protocol uses ip (internet protocol) addresses consisting of 128 bits?
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you are a network administrator in your organization. your users use windows tablets to access the internet. users' tablets use a broadband wi-fi connection. the organization wants you to watch how much data your users are using on this connection. how do you do that?
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a server in the data center that chris is responsible for monitoring unexpectedly connects to an off-site ip address and transfers 9gb of data to the remote system. what type of monitoring should chris enable to best assist him in detecting future events of this type?
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