Computers and Technology

which of the following terms describes a network device that is exposed to attacks and has been hardened against those attacks?a. multi-homedb. kernel proxyc. bastion sacrificial hostd. circuit proxy
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karen, a software engineer, finds out that some of the laptops that his colleagues are using for software testing have been infected by a type of virus that has slowed down their work to a large extent. karen writes a report with a solution to the problem and presents it to her manager. this type of report is an example of a(n) .
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1.A report written in the indirect order _____. first states its main point and then supplies the supporting information is especially beneficial for readers who are in a hurry to receive the most important information first is more likely to use personal pronouns than a report written in the direct order presents the main findings, recommendations, and conclusion in the executive summary begins with whatever introductory material is needed to prepare the reader for the report2.The _____ statement of a business report provides a clear description of the situation that created the need for the report.3.Which of the following is true about problem statements?Problem statements do not use active voice.Problem statements eliminate the need for purpose statements.Problem statements are typically written in the form of a question.The infinitive phrase is most preferred for writing problem statements.Problem statements are generally written as declarative statements.4.Which of the following is the most appropriate problem statement for a business report on decline of sales?To determine why company sales have declinedWhy have company sales declined?Management wants to know the reasons for sales decline.What is the reason for the decline of company sales?To investigate the cause of the decline in company sales5.Possible explanations for or solutions to a problem are termed as _____.basesmission statementshypothesespurpose statementsproblem statements6.Which of the following is true about secondary research?It primarily involves gathering data through methods of direct observation.It uncovers information firsthand.It uses material that someone else has published.It includes user testing.It primarily involves gathering data through experiments.7.Secondary research produces information primarily through the use of _____.experimentssurveyswebsitesinterviewsobservations8.If a user finds it difficult to think of terms to broaden his or her search, he or she must _____.eliminate citations with a particular termretrieve citations that contain only the search terms without variationslook at the keywords or descriptors of the items that have already been identifiedrefrain from using Boolean operatorsuse the NOT operator9.Which of the following is true of reports?All reports have a consistent format and an equal number of components.As the need for formality decreases, the number of components in a report increases.When the situation is informal and the report is short, prefatory pages are included.A business writer should decide the makeup of a report on the basis of its topic and cost.Less complex problems and less formal situations will require less elaborate reports10.Marco is in the process of preparing an internal report to explain the recent increase in the number of product returns at ZenMark Fashions. Marco's survey reveals that the returned products are of inferior quality and do not meet ZenMark's regular standards. This increase in product returns is found to coincide with the switch to a different raw materials supplier. Marco's suggestion is to revert to the original raw material supplier despite the costs involved being 30% higher. In this scenario, Marco should probably _____.present the report in casual or informal languageinclude all the prefatory elements in his reportwrite his report in the indirect orderwrite his report in the direct orderplace the recommendations and conclusions at the beginning of the report
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Database administrators have created a database used by a web application. However, testing shows that the application is taking a significant amount of time accessing data within the database. Which of the following actions is MOST likely to improve the overall performance of a database?A. NormalizationB. Client-side input validationC. Server-side input validationD. Obfuscation
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a decision that faithfully reflects the concerns and interests of affected parties fulfills which of the following dimensions of quality with respect to decision making? group of answer choices justice due process fairness coherence accuracy
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to test an action query before running the query, it is a good practice to create a query first to make sure the correct records are selected.
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is typically the longest and most expensive phase of the sdlc. group of answer choices planning design analysis implementation
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FILL IN THE BLANK the _____clustering method first quantizes the object space into a finite number of cells that form a structure and then performs clustering on the_____structure.
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assume that three jobs arrive at approximately the same time (arrival time are all 0), but job a arrives slightly before job b, and job b arrives slightly before job c (if the jobs must be selected in order, the order should be a->b->c). job a requires 3 sec of cpu, job b is 5 secs, and job c is 4 secs. assume a time-slice of 1 second.
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The type of media that uses laser technology to store data and programs is _______.hard diskflashsolid stateoptical disc
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Create Table EXAMS ( SUB_NO integer Not Null, STUDENT_NO integer Not Null, MARK decimal (3), DATE_TAKEN date Not Null, Primary Key (SUB_NO, STUDENT_NO, DATE_TAKEN));The above SQL statement is used to create the EXAMS table. Considering the EXAMS table; which of the following table contents can't be inserted to the EXAMS table (assume date format is correct)?a. alter table exams add student no as foreign key (exams); b. alter table exams add foreign key (student no) references students; c. alter table sub no add foreign key (exams); d. alter table exams foreign key (sub no);
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3. Why was Microsoft Azure a good choice for Rockwell? 4. What business problems did Rockwell's partnership with Microsoft and of loT technologies solve or alleviate?
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your friend is a software developer. they have windows 10 pro installed on their soho computer. they are creating an application that needs to run smoothly on both windows and linux machines, so it will need to be tested in both of those environments. what would be the best solution for your friend? group of answer choices windows 10 sandbox two separate machines dual-boot system virtual machines on their pc
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In database recovery, the transaction log shows before and after images of records that has been modified by transactions. Yes No
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How are procedural and object-oriented programming approaches similar?
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your card was declined by the issuing bank. please try a different card or contact your card issuer with questions.
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Those that work in the Printing Technology pathway are typically-self-employed, and work indoors.-self-employed, and work outdoors.-not self-employed, and work outdoors.-not self-employed, and work indoors.
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Which of the following skills would a digital librarlan need that a traditional librarian would not necessarily need?O web developmentO information organizationcustomer serviceO research skills
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Using for loop,write a program that accepts a series of genders from a class of 10 students and count the number of female and male students in the class(c++ programming)Output:in the file
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list and explain 3 components of the operating systems
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Which feature in access is used to control data entry into database tables to help ensure consistency and reduce errors? subroutines search forms queries.
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why do applications have a white screen that pops up for a few seconds before showing the applcaition
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ring floodlight cam wired pro with birds eye view and 3d motion detection, white
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lisa works as a system analyst for a small company. she is doing testing of a few applications in her system, and hence created a lot of restore points as a measure of backup. she observes that these restore points have taken up a large amount of her disk space and are making her system slow. which of the following utilities will you use to resolve this problem?
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