Computers and Technology Quiz & Practice Tests - Test Your Skills

logical errors are mistakes that cause the program to produce erroneous results. group of answer choices true false
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while reviewing her nagios logs, selah discovers the error message shown here. what should she do about this error?
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you turn on a laptop computer and the hard drive is not recognized. where should you go to troubleshoot the issue?
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what method is called when the in operator is used on a sorted bag? a. iter b. contains c. init d. add
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how can an algorithm be described in which the work it does grows as a function of the square of the problem size?
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mario wants to use a wireless authentication technology where users are redirected to a webpage when they connect to the network. waht is such technology called
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what spreadsheet tool allows you to control what can and cannot be entered in your worksheet in order to avoid typos? 1 point data validation find vlookup list
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what looks and acts like the internet, but it is comprised of information used exclusively with a company and unavailable to the internet community as a whole?
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which of the following statements is true? tcp is connection-oriented and is reliable; udp is not connection-oriented and is reliable. tcp is connection-oriented and is reliable; udp is not connection-oriented and is unreliable. tcp is not connection-oriented and is reliable; udp is not connection-oriented and is not reliable. tcp is connection-oriented and is unreliable; udp is not connection-oriented and is reliable.
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imagine we have a function called binary search, which takes as input two parameters: a list and a search term. it should return the index of the search term, or -1 if the search term was not found. imagine we call binary search([9, 12, 13, 13, 15, 15, 19, 21, 23, 25, 25, 27, 27, 28, 29, 29, 30, 33, 33, 40], 33).. how many numbers will the function have to check to establish that the search term 100 is not found in the
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you are the network administrator for contoso. your company's network contains an active directory domain containing a user named user1. all computers in the domain run windows 10. you enable windows powershell remoting on the computers. you need to ensure that user1 can access and schedule logging of performance counters. the solution must use the principle of least privilege. to which group should you add user1?
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a- the stored procedure will be named updateproductprice b- add 2 parameters. call the first one inproductid with a data type of smallint and the second one insalesprice with a data type of decimal(7,2). c- type start transaction; , hit enter a few times, and type commit; d- inside the transaction, write the command to update the salesprice column in the products table equal to the value of the insalesprice parameter.
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you help manage the linux server for your department. right now the server has no protection against power failures and there have been several power failures recently. to help make your case for a power protection device, you want to keep track of the amount of time the server has been running since the last power outage that caused it to go down. what command enables you to track how long the server has been up?
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your coworker larita has asked you to review her slide presentation. you notice that it is difficult to recognize and process the most important ideas and information. to help her fix this, what will you recommend that she change?
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Which of the following information should be captured in a network diagram?[Choose all that apply.]
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Which data type is considered compatible with VARCHAR(35)?
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A firm's information systems can influence the likelihood of partnering with other firms, and its attractiveness as a merger or acquisition target.
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networking essentials (version 2) - modules 1 - 4: internet connection: getting online pre-test exam
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a problem with virtual networks is that data transmitting through them cannot be encrypted and therefore is not secure.T/F
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a user calls the help desk. each time he creates a new text file, permissions of 640 are applied to the file, and he must use chmod to set them to 644. what command should you enter in the user's profile to set the default permission for newly created files to 644? answer umask 640 umask -640 umask 0022 umask 0027
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question 7 the cast function can be used to convert the date datatype to the datetime datatype. 1 point true false
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uml (unified modeling language) is another name for a flowchart that uses classes. question 18 options: true false
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which type of relative unit is used to express length as a percentage of the width or height of a browser window?
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when the same transaction is always chosen as the victim in a deadlock detection scheme, the situation is called:
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