Coursera Answers

Q: Which of the following are advantages of cloud storage services? Select all that apply. or Q: Which of these is a benefit of using cloud storage services? Choose every option that pertains. User backups don’t require complicated scheduling. Users can sync and backup files across platforms and devices. They make it easy for users to configure what files or folders they want to backup. They allow everyone to access a person’s files Explanation: Cloud storage services typically provide straightforward backup processes, seamless syncing across devices, and flexible options for selecting files to back up. Allowing everyone to access a person’s files is not an advantage, as it is important to maintain access controls and privacy.

Q: Which type of backup only saves the parts of data that have changed within files since the last backup took place? or Q: Which kind of backup preserves data only when it has changed within files after the last backup? Complete backup Incremental backup Differential backups RAID array Explanation: Incremental backups only capture the changes made since the last backup (whether full or incremental), which helps save storage space and reduce backup times. Differential backups capture all changes made since the last full backup. Complete backups save all data in its entirety each time they are performed. RAID arrays are not a backup type but a method for data redundancy and performance enhancement.

Q: What are good reasons to do yearly disaster recovery testing? Select all that apply. or Q: What are the justifications for doing annual catastrophe recovery testing? Choose every option that pertains. To ensure multiple people have appropriate rights and training to restore operations To identify additional vulnerabilities To be prepared for all possible snags or problems To create downtime Explanation: Yearly testing helps ensure that your disaster recovery plan is effective, identifies gaps or weaknesses, and confirms that the team is well-prepared. Creating downtime is not a goal of disaster recovery testing; rather, it is a potential consequence of testing that should be managed carefully.

Q: Which of these are common backup tools you might consider when designing a backup solution? Select all that apply. or Q: When creating a backup solution, which of these typical backup tools would you take into consideration? Choose every option that pertains. Regedit Rsync Backup and Restore Time Machine Explanation: A utility for synchronizing files and directories between two locations.A built-in Windows utility for creating and managing backups.A backup tool for macOS that creates incremental backups of files.

Q: Which of the following is an advantage of off-site backups? or Q: Which of the following describes an off-site backup’s benefit? There is less bandwidth usage There is quicker data access Data is more secure because of less outbound traffic Data is safe in case of disaster Explanation: Off-site backups protect data by storing copies in a different location, ensuring that it remains safe even if a disaster affects the primary site, such as a fire, flood, or other physical damage. The other options are not specific advantages of off-site backups.

Q: Which of the following is a critical part of data recovery? or Q: What is an essential component of data recovery? Effectively backing up data Stocking replacement drives Port forwarding Creating power redundancies Explanation: Backing up data ensures that you have copies of important information that can be restored in the event of data loss or corruption. While stocking replacement drives, creating power redundancies, and port forwarding may be important for overall IT operations and disaster recovery, they are not specifically critical to the data recovery process itself.

Q: How can events be reconstructed after an incident? or Q: After an occurrence, how can events be reconstructed? By replaying security video footage By doing analysis of forensic malware By reviewing and analyzing logs By interviewing the people involved Explanation: Logs provide a detailed record of activities and system events that can help trace the sequence of actions leading up to and during the incident. While interviews and malware analysis may offer additional insights, log analysis is key to accurately reconstructing events. Replaying security video footage is helpful for physical security incidents but is not typically applicable to digital events.

Q: Fill in the blank: In a dashboard, it is helpful to build in tracking that enables users to follow the data’s_____, rather than isolated snapshots of the latest information. or Q: Complete the blank: It is beneficial to include tracking on a dashboard so that users can follow the data’s_____ rather than just discrete updates. • Evolution • extraction • organization • regression Explanation: In a dashboard, it is helpful to build in tracking that enables users to follow the data’s evolution, rather than isolated snapshots of the latest information.

Q: Fill in the blank: Including more visualizations in a dashboard enables more data to be displayed, but this may _____ or slow down the dashboard. or Q: Complete the blank: More data can be shown on a dashboard by adding more visualizations, but doing so might cause the interface to lag or malfunction. • speed up the dashboard • change the data over time • empower users to interpret the data on their own • overwhelm the user  Explanation: Including more visualizations in a dashboard enables more data to be displayed, but this may overwhelm the user or slow down the dashboard.

Q: Fill in the blank: It is important to establish _____ for different views in a live-monitoring dashboard in order to give users the ability to drill down to the information that is relevant to them. or Q: Complete the blank: To enable users to dig down to the information that is pertinent to them, it is crucial to set up _____ for several views in a live-monitoring dashboard. • legends • business rules • use cases  • partitions Explanation: It is important to establish use cases for different views in a live-monitoring dashboard to give users the ability to drill down to the information that is relevant to them.

Q:  Fill in the blank: When conducting long-term monitoring, larger dashboards will likely require more context in order to make the data _____ for users. or Q:  Complete the blank: Larger dashboards will probably need more context when doing long-term monitoring in order to make the data useful for consumers. • accessible • understandable  • visually pleasing • dynamic Explanation: When conducting long-term monitoring, larger dashboards will likely require more context to make the data understandable for users.

Q: What are the benefits of implementing comparisons when creating a dashboard? Select all that apply. or Q: What are the advantages of including comparisons in a dashboard design? Choose every option that pertains. • It helps predict future performance based on a single moment in time • It provides insights about an independent datapoint based on one criteria • It quickly enables users to understand why the data in the dashboard is useful  • It helps users interpret whether the visualizations indicate good or bad performance  Explanation: Comparisons help users gain context and make judgments about performance or trends by evaluating data against benchmarks or previous results. They do not typically help in predicting future performance based on a single moment in time or in providing insights about an independent data point based on one criterion.

Q: Fill in the blank: In a dashboard, it is helpful to build in _____ that enables users to follow the data’s evolution, rather than isolated snapshots of the latest information. or Q: Complete the blank: Instead of providing isolated snapshots of the most recent data, a dashboard that incorporates ______ helps consumers monitor the data’s progression. • encoding • mapping • conformity • tracking Explanation: In a dashboard, it is helpful to build in tracking that enables users to follow the data’s evolution, rather than isolated snapshots of the latest information.

Q: Which of the following are components of a post-mortem report? Select all that apply. or Q: Which of these describes the elements found in a post-mortem report? Choose every option that pertains. An explanation of resolution and recovery efforts All log data A brief summary A detailed timeline of key events Explanation: All log data is not usually included in a post-mortem report; instead, relevant excerpts or summaries of logs are used to support the findings.

Q: What are some benefits of a post-mortem? Select all that apply. or Q: What advantages may a post-mortem offer? Choose every option that pertains. To foster a culture where it’s OK to make mistakes To learn from and adapt processes for higher efficiency To understand the cause of mistakes and how to prevent them To punish mistakes Explanation: A post-mortem is meant to be a constructive process to improve future performance and prevent similar issues. To punish mistakes is not a benefit of a post-mortem; the focus should be on learning and improvement rather than assigning blame.

Q: You are performing a network risk assessment to develop your disaster recovery plan. Which of these are examples of corrective or recovery measures? Select all that apply. or Q: For the purpose of creating your disaster recovery strategy, you are doing a network risk assessment. Which of these describes a remedial or restorative action? Choose every option that pertains. Restoring data from backup Correct Redundancy solutions Hardware repair and replacement Correct Rebuilding and reconfiguring services Explanation: Redundancy solutions are more preventive measures designed to ensure continued service in case of failures, rather than corrective or recovery measures.

Q: What are the goals of a disaster recovery plan? Select all that apply. or Q: What aims does a catastrophe recovery strategy seek to achieve? Choose every option that pertains. To prevent disasters from impacting operations To keep system downtimes to a minimum To prevent significant data loss Correct To predict disasters before they happen Explanation: A disaster recovery plan aims to minimize downtime and data loss by providing a strategy to restore systems and data after a disaster quickly. Preventing disasters from impacting operations is more about risk management and prevention, which complements disaster recovery but is not its primary goal. Predicting disasters before they happen is not a goal of a disaster recovery plan but is related to risk assessment and management.

Q: Fill in the blank: A well-rounded portfolio can include projects you worked on in non-data industries, enabling you to demonstrate your _____. or Q: Complete the blank: Projects you worked on outside of the data industry can show off your _____ in a well-rounded portfolio. • responses to interview questions • transferable skills  • job search techniques • recommendation letters Explanation: A well-rounded portfolio can include projects you worked on in non-data industries, enabling you to demonstrate your transferable skills.

Q: What job titles are most common in entry-level business intelligence jobs? Select all that apply. or Q: Which job titles are most typical for business intelligence entry-level positions? Choose every option that pertains. • Business intelligence director • Business intelligence analyst  • Junior business intelligence analyst  • Assistant business intelligence analyst  Explanation: The title of business intelligence director is generally a more senior role, not typically associated with entry-level positions.

Q: Which of the following strategies are interview best practices? Select all that apply. or Q: Which of the following approaches constitutes best practices for interviews? Choose every option that pertains. • Share information primarily about your people skills. • Answer the interviewer’s questions descriptively.  • Be prepared with questions to ask the interviewer.  • Speak with a friendly but professional tone.  Explanation: Provide detailed responses that demonstrate your knowledge and experience. This shows your interest in the role and company and helps you determine if it’s a good fit. A positive and professional demeanor helps create a good impression and facilitates effective communication.

Q: Which of the following pieces of information should you include when sharing your portfolio? Select all that apply. or Q: When sharing your portfolio, which of the following details should you include? Choose every option that pertains. • Private data from previous employers • Your thought process  • What you might do differently in the future  • The work you performed  Explanation: This helps demonstrate your problem-solving skills and how you approach challenges. Showing your ability to reflect and learn from past experiences can highlight your growth and adaptability. This is the core of your portfolio, showcasing your actual deliverables and achievements.

Q: Fill in the blank: If you are interested in business intelligence jobs in any industry, keep your criteria _____ during your job search by searching for “entry-level business intelligence” positions. or Q: Fill in the blank: When looking for a job, keep your criteria _____ and look for “entry-level business intelligence” roles if you’re interested in business intelligence positions across all industries. • Specific • narrow • rigid • general  Explanation: Keep your search parameters focused by looking for “entry-level business intelligence” roles if you’re interested in business intelligence jobs across all industries.”This makes it easier to narrow down your search and identify positions that complement your background and professional objectives.

Q: What are the benefits of sharing low-fidelity mockups with stakeholders early on in the design process? Select all that apply. or Q: What are the advantages of showing stakeholders low-fidelity prototypes at an early stage of the design process? Choose every option that pertains. • To discuss the fine details of each chart or graph • To give stakeholders a clear idea of your design intentions  • If necessary, to move in a new direction before investing time in an actual dashboard  • To get important feedback  Explanation: Low-fidelity mockups help communicate the overall concept and layout without getting bogged down in details. Early feedback allows you to make adjustments or change direction before committing significant resources. Early feedback helps identify potential issues or improvements, ensuring the final design better meets stakeholder needs.

Q: Speaking in clear, concise, and accessible language is one of four presentation and communication best practices. What are the other three? Select all that apply. or Q: Using language that is understandable, succinct, and clear is one of the four best practices for communication and presentations. Which three are the others? Choose every option that pertains. • Use industry jargon, such as abbreviations, to save your audience time. • Prioritize the most relevant information.  • Engage your audience by taking the time to understand their point of view.  • Describe how you addressed a concern previously raised by stakeholders.  Explanation: Focus on the key points that are most important for your audience. Tailor your communication to address the interests and concerns of your audience. Show that you are responsive and attentive to feedback by highlighting how you’ve addressed past concerns.  

Q: Which of the following pieces of information are typically included in a business intelligence presentation to stakeholders? Select all that apply. or Q: Which of the following details is usually provided to stakeholders in a business intelligence presentation? Choose every option that pertains. • A question-and-answer session • Clarifications of minor details • Information about stakeholder needs  • Updates on project status Explanation: Understanding and addressing what stakeholders need to know is crucial for a relevant and effective presentation. Providing current progress and developments helps stakeholders stay informed about the project’s advancement.

Q: For what reasons is it important to establish use cases for different views in a live-monitoring dashboard? Select all that apply. or Q: Why is it crucial to create use cases for several dashboard displays in a live monitoring system? Choose every option that pertains. • To import more data into the dashboard • It gives different users the ability to drill down to the information they need  • To avoid users having to interpret data that is irrelevant to them • To simplify the process of accessing useful data  Explanation: Different roles within an organization may need different insights. By defining use cases, you ensure that each user can access detailed views relevant to their specific needs, allowing them to analyze and act on the data effectively. Tailoring views to specific use cases helps prevent information overload. Users are presented with only the data pertinent to their role or task, reducing confusion and improving the clarity of the dashboard. Use cases help streamlin...

Q: Fill in the blank: Including more visualizations in a dashboard enables more data to be displayed, but this may _____ or overwhelm the user. or Q: Complete the blank: additional data can be shown on a dashboard by adding additional visuals, but this might overwhelm or distract the user. • slow down the dashboard • empower users to interpret the data on their own • change the data over time • enable long-term monitoring Explanation: Including more visualizations in a dashboard enables more data to be displayed, but this may slow down the dashboard or overwhelm the user.

Q: There are four key questions business intelligence professionals ask when designing a dashboard. One is, “Which parts of the dataset will make it possible to address the business requirement?” What are the other three? Select all that apply. or Q: When creating a dashboard, business intelligence specialists ask themselves four important questions. The first is, “Which dataset elements will enable the business requirement to be addressed?” Which three are the others? Choose every option that pertains. • How can the dashboard be designed in order to include as much fine detail as possible? • Which chart types and forms of encoding will be most effective?  • Which measures and dimensions will be represented in each chart? • How many charts are required?  Explanation: This question focuses on selecting the appropriate visualizations (e.g., bar charts, line charts) and encoding techniques (e.g., color, size) to represent the data effectively and convey insights. Here, the goa...

Q: Describing how you addressed a concern previously raised by stakeholders is one of four presentations and communication best practices. What are the other three? Select all that apply. or Q: One of the four recommended practices for presentations and communication is to describe how you resolved a problem that stakeholders previously voiced. Which three are the others? Choose every option that pertains. • Use industry jargon, such as abbreviations, to save your audience time. • Engage your audience by taking the time to understand their point of view.  • Speak in clear, concise, and accessible language.  • Prioritize the most relevant information. Explanation: Using industry jargon, such as abbreviations, may not always be helpful and can sometimes confuse the audience.

Q: Fill in the blank: During a virtual interview, it is important to _____. or Q: Complete the blank: In an online interview, it’s critical to _______. • take control of the interview • maintain an informal demeanor • refrain from asking questions • dress appropriately  Explanation: During a virtual interview, it is important to dress appropriately.

Q: Complete the Qwiklab Creating, Modifying and Removing Files and Folders in Linux before answering this question. You accidentally stored two copies of the file taxes_2023.pdf. One copy is in the Linux directory /home/users/documents. The other copy is in the Linux directory /home/users/documents/taxes. Which command should you use to delete the file from the documents folder? or Q: Before responding to this question, finish the Qwiklab Creating, Modifying and Removing Files and Folders in Linux. It just so happened that you stored two versions of the taxes_2023.pdf file. The Linux directory /home/users/documents has one copy. The Linux directory /home/users/documents/taxes has the other copy. In order to remove the file from the documents folder, which command should you use? rm /home/users/documents/taxes mv /home/users/documents/taxes/taxes_2023.pdf rm /home/users/documents/taxes_2023.pdf rm /home/users/documents/taxes/taxes_2023.pdf Explanation:  This command deletes the specific...

Q: You’re an IT Support Specialist and you’re trying to make changes to DNS with dnsmasq. However, you’re running into some issues and you want to troubleshoot your setup. Which command would you run to do this? OR Q: As an IT support specialist, you’re attempting to use dnsmasq to modify the DNS. Nevertheless, you need to troubleshoot your setup because you’re having some complications. To do this, which command would you use? sudo dns -d -q dnsmasq -d -q sudo dnsmasq -d -q sudo dns Explanation:   This command starts dnsmasq in debug mode (-d) and with increased verbosity (-q).

Q: Which of the following best describes an intranet? or Q: Which of the following sums up intranets the best? An intranet is a type of file transfer protocol. An intranet is a service that provides access to pre-configured virtual machines for a fee. An intranet is used to host a company’s internal websites and resources. An intranet is a single server with many virtual instances on it. Explanation:   An intranet is used to host a company’s internal websites and resources.

Q: Which of the following are cons that come from using a Cloud Service? Select all that apply. or Q: Which of the following describes a drawback of utilizing cloud services? Choose every option that pertains. A simplified user interface Recurring cost The need to depend on a provider for service Having to purchase expensive networking hardware Explanation:   A simplified user interface and not having to purchase expensive networking hardware are generally considered benefits of cloud services.

Q: Fill in the blank: When answering interview questions, it is beneficial to prioritize the _____ details about your professional background. or Q: Complete the blank: Prioritize the following information regarding your professional experience while responding to interview questions. • thorough • recent • relevant  • entertaining Explanation:   When answering interview questions, it is beneficial to prioritize the relevant details about your professional background.

Q: What are the benefits of having a portfolio to share during an interview? Select all that apply. or Q: What advantages come with bringing a portfolio to an interview? Choose every option that pertains. • Avoid the time and effort involved in writing a biography. • Demonstrate your transferable skills.  • Showcase your work.  • Demonstrate your data-industry skills.  Explanation:   Avoiding the time and effort involved in writing a biography is not a primary benefit of having a portfolio.

Q: What is shared with stakeholders in order to provide them with a clear idea of your dashboard design intentions? or Q: What information is communicated with stakeholders so they may understand your aims for the dashboard design? • Low-fidelity mockups  • Functional dashboard • Slide decks • Iterations Explanation:   Low-fidelity mockups are shared with stakeholders to provide them with a clear idea of your dashboard design intentions.

Q: Which service gives access to pre-configured virtual machines that can be used like physical servers? PaaS DaaS SaaS IaaS Explanation:   The service that gives access to pre-configured virtual machines that can be used like physical servers is IaaS (Infrastructure as a Service).

Q: At what point in the process should a business intelligence professional confirm the format in which business intelligence presentations will be conducted? or Q: When should a business intelligence specialist check the format of the presentations that will be made using business intelligence? • At the end, once all deadlines have been met • Toward the end, once project scope is solidified • About halfway through, after verifying project scope and deadlines • Early, when verifying project scope and deadlines  Explanation: A business intelligence professional should confirm the format in which business intelligence presentations will be conducted early when verifying project scope and deadlines.

Q: Fill in the blank: If you are interested in working in a particular industry, _____ your criteria during your job search. Otherwise, search for “entry-level business intelligence” positions. or Q: Complete the following statement if you are interested in working in a certain industry: During your job hunt, _____ your criterion. If not, look for jobs in “entry-level business intelligence.” • change • delete • narrow  • widen Explanation: If you are interested in working in a particular industry, narrow your criteria during your job search. Otherwise, search for “entry-level business intelligence” positions.

Q: Fill in the blank: When sharing your_____, the sketches are intended to give stakeholders a clear idea of your design intentions. or Q: Complete the blank: The purpose of the drawings is to help stakeholders understand your design objectives when you share your_____. • iterations • functional dashboard • slide decks • low-fidelity mockups  Explanation: When sharing your low-fidelity mockups, the sketches are intended to give stakeholders a clear idea of your design intentions.

Q: A business intelligence presentation might take which of the following formats? Select all that apply. or Q: In what structure may a business intelligence presentation be given? Choose every option that pertains. • Text message • Phone call  • Email  • Meeting  Explanation: For sharing detailed reports, visualizations, or summaries, often with attachments or links.For interactive presentations, discussions, and real-time feedback, either in-person or virtual.

Q: Why would you reload a service instead of stopping and then starting the service? or Q: For what reason would you reload a service as opposed to halting and restarting it? Reloading saves the changes to the service’s configuration files. Stopping and then starting the service will only apply some of the new configurations. Reloading avoids a service interruption. Reloading uses fewer system resources. Explanation:   Reloading a service instead of stopping and then starting it is often preferred because reloading avoids a service interruption. This means that the service can apply configuration changes without going offline or disrupting its operations.

Q: What does DHCP do? or Q: What is the purpose of DHCP? DHCP sets up an authoritative DNS server a network. DHCP maps domain names to IP addresses. DHCP assigns IP addresses to computers on a network. DHCP keeps the clock synchronized on machines connected to a network. Explanation: DHCP (Dynamic Host Configuration Protocol) assigns IP addresses to computers on a network.

Q: Which of the following are reasons for using DNS? Select all that apply. or Q: Which of these justifies the use of DNS? Choose every option that pertains. It improves network throughput. It lets users remotely operate computers from miles away. It maps local addresses to simple names without editing hosts files. It maps names humans can understand to IP addresses. Explanation:   DNS does not directly improve network throughput or let users remotely operate computers from miles away.

Q: What report indicates the last page users viewed before leaving a website? or Q: Which report shows the final page visitors saw before departing a website? Pages report All Pages report Landing Pages report Exit Pages report  Explanation:  When visitors leave a website, the Exit Pages report contains information about the page they visited before leaving. This report provides you with insights into possible areas for development on the sites that visitors frequently depart from, so assisting you in understanding which pages people generally leave from.

Q: Once filters have been applied, what is the option to recover filtered data? or Q: How can filtered data be recovered once filters have been applied? Filtered data is not recoverable.  Data may be recovered within 30 days Data may be recovered within ten days Data may be recovered within five days Explanation:  After filters have been applied, the data that has been filtered out is often not destroyed or erased; rather, it is merely hidden or omitted from view depending on the criteria that were used to apply the filters. If, on the other hand, data has been destroyed rather than filtered, the choices for recovery are contingent upon the system or service that was used; nonetheless, filtering does not in and of itself render data unavailable for retrieval.