Computers and Technology Quiz & Practice Tests - Test Your Skills

Which is a DHCPv4 address allocation method that assigns IPv4 addresses for a limited lease period?- Automatic allocation- Manual allocation- Pre-allocation- Dynamic allocation
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Which HTML tag is formatted correctly?OThis is a headingOThis is a paragraphOThis is a paragraphO This is a heading
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firewall rules evaluate from top to bottom. the rule creators intended to block access to a website hosted at 10.15.1.2, except from hosts located on the 10.20.0.0/16 subnet. however, users on that subnet report that they cannot access the site. what is wrong?
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a data analyst creates an absolute reference around a function array. what is the purpose of the absolute reference?
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how do you pick the data validation option that provides the user with a warning (instead of completely stopping data entry) when a validation check is violated?
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imagine you are conducting an evaluation of one's competency to be executed. which compoent woudl be the most importnat in your evalution
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which command uses the array literal form to create and populate the daynames array with the abbreviations of weekdays (starting with mon and going through fri)?
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the path to the distribution share should always be referred to by which path to ensure that it can be accessed over the network during unattended installations?
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you are an it director for a large school system. you need to set up inbound and outbound rules on the windows 10 machines. what will you use to accomplish this?
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a data analyst wants to create a visualization that demonstrates how often data values fall into certain ranges. what type of data visualization should they use?
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well - written programs can compensate for poor performance of various system components. true or false
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what would be the first line of the module for a function named mileage with parameters miles and rate?
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which of the following is a medium for transmitting an oral message within an organization? a.email messages b.meetings c.a report d.a memo e.a handwritten note
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the root-partition: a. contains an operating system kernel and it is not necessary to be mounted. b. contains an operating system kernel and it is mounted during boot time. c. contains a list of the operating systems which may be booted. d. does not contain the operating system kernel, but it is the first mounted file system during the boot time.
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susan is a digital forensic examiner. she is investigating a case in which a driver has been accused of vehicular homicide. she has the driver's mobile device and cellular records. what type of mobile device evidence is most likely to reveal whether the driver was actively using a mobile device when the incident occurred?
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the performance problem of inverted page tables can be significantly solved using a hash-based approach. there must be a reason x86-64 and risc-v use hierarchical page tables instead of inverted page tables. what do you think that is?
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assume you are using a doubly-linked list data structure with many nodes. what is the typical number of node references (links) that must be modified to remove a single node from the middle of the list? consider the neighboring nodes.
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which is not a characteristic of web 2.0? group of answer choices user-centered design static content rich user experience web as a platform crowd sourcing g
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which releases the most energy per gram of fuel? select an answer and submit. for keyboard navigation, use the up/down arrow keys to select an answer. a burning of coal b nuclear fission c burning of natural gas d burning of gasoline
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the it department of a company has just rolled out a virtual private network (vpn) solution that offers greater flexibility, delegation of management, and added security over the previous implementation. what is this solution called?
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if we have an algorithm whose sequential complexity is o(n) and we parallelize it with p processors, what is the maximum speedup we would expect (write this as a formula)? under what circumstance we might achieve the maximum speedup?
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The point (0,0) represents the same place in a window with the Canvas widget as with turtle graphics. Object-oriented programming allows us to hide the object's data attributes from code that is outside the object. All instances of a class share the same values of the data attributes in the class.
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From the prespective of networking infrastrcutre, sound waves, such as the human voice, vary continuously over time and are considered what type of data?
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when are local variables initialized? group of answer choices local variables are initialized when the method is called. local variables are initialized with a default value before a constructor is invoked. you must initialize local variables in a method body. you must initialize local variables in the constructor.
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