MBA IT / Systems Information Systems — practice questions
88 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice MBA IT / Systems Information Systems in the app →A firm's sales records sit in neat rows and columns and are easy to search. Data like that is called:Emails, videos and social posts have no predefined shape and need advanced techniques to analyse. Those are:A company collects, stores and processes its data with one main software tool. That tool is a:An analyst needs the standard language for querying and managing a relational database. She writes:A team picks a database that abandons the traditional table structure altogether. That kind of database is:Every row in a customer table needs one field that identifies it uniquely. That field is the:An order table points at the customer table, and the reference must match a real customer. The pointing field A designer organises the data so each fact is stored only once and duplication disappears. That technique is:In a large cloud system an analyst deliberately adds redundant data so queries run faster. That step is:Before building, a designer writes down the tables, their columns and the data types. That definition is the:A designer draws entities, their attributes and the relationships between them on one picture. That picture isOn such a diagram, students and classes are entities. A student's name and date of birth are:Queries on a large table run slowly, so the team builds a structure that speeds retrieval. That structure is aA firm pulls data from several source systems and stores it together for reporting. That combined store is a:Another store keeps huge volumes of raw data in their original format until somebody needs them. That store isTransactions protect consistency and integrity through four properties: atomicity, consistency, isolation and:A record still points at another record that has been deleted. That dangling record is called:A manager asks what data integrity actually means. It refers to the accuracy and:Sensitive records must be protected both while stored and while moving across the network. The measure used isRoutine database work includes performance tuning, security enforcement and, above all, regular:A cloud provider copies data to several geographic locations so a hardware failure cannot lose it. That practiIn a table of employees, entering the employee ID gives you the name and address. That relationship is a:A team is asked to build one new service, with a fixed start date and a fixed end date. That temporary effort A manager plans, organises and controls people and materials to hit a goal inside a set timeline. That work isA professional wants certification as a project manager from the main accrediting body. That body is the:In one framework each step follows the one before it, in strict order. That approach is called:The development, monitoring and control of a project together make up its:One framework sets out a fixed number of domains to guide managers through that cycle. The number is:Anyone involved in a project, or affected by what it delivers, counts as a:A formal document is signed that authorises the project to begin at all. That document is the project:A clear statement of what the project will and will not cover keeps expectations in check and prevents:With the scope set, a manager cuts the project into bite-sized pieces to tackle one by one. That structure is A scheduler uses network diagrams and schedule compression alongside one more technique to find dependencies. Project software commonly offers resource lists, linked budgets and one familiar bar chart of the schedule. ThA document records the threats to finishing on budget, on time, in scope and at quality. That document is the:In the final phase, the artifacts are archived and the team members are let go. That phase is:Before that, the deliverables are reviewed and inspected against the standard. That check is a:Agile work runs through several frameworks. Alongside Kanban and extreme programming, the best known is:Agile teams deliver work in short repeated cycles. Each such cycle is called a:A team lead asks how long one of those cycles usually runs. The usual answer is:The team meets to talk through the user stories and split the work between them. That meeting is a:The person who leads that meeting, usually holding a certification, is the:A prioritised list of user stories and features waits for the team to pull from. That list is the product:Scrum meetings, backlog refinement and retrospectives usually happen how often?Teams in five countries exchange information and work together on one platform. That platform is the backbone A multinational coordinates production, distribution and logistics across borders through one system. That proHead office wants the same workflow followed in every country office. Global systems support that through:Standardising processes across locations is meant to hold quality, performance and one more thing steady. ThatA global platform offers multilingual support, internationalisation and one feature aimed straight at money. TAn online store keeps taking orders through the night because buyers sit in other regions. It is trading arounA global system raises awareness of international issues and helps staff understand each other's cultures. ThaA company must decide whether to build its global system in house or bring one in from outside. That second roSensitive records must be protected and the firm must respect laws about where data may live. Those are laws oWorking across countries means handling communication styles, language barriers and the uneven spread of technOne well-known framework studies workplace culture through six factors, starting with power and individualism.Alongside power, individualism, gender, uncertainty and time, the sixth factor in that framework is:An architect lists the common shapes a network can take: client-server, peer-to-peer and:A firm reviews cloud services, CRM, business intelligence tools and the system that ties core processes togethChoosing technology, a team weighs cost, reliability, performance and one more factor about the supplier. ThatA logistics firm uses live traffic data to save time and fuel on deliveries. It is optimising its:Effective supply chain management spots disruptions before they bite, so their impact can be reduced. That worGlobal logistics means planning how goods travel, which routes they take and how to handle customs. Those lastA sportswear firm links its systems so its online store shows accurate stock and fills orders worldwide. That Before adopting a system, a firm asks how easily it will meet data protection rules, industry standards and seText, images and other messy data need heavier tools such as data mining, machine learning and natural languagA courier firm weighed cost, reliability, performance and supplier support before locating warehouses to shortA manager weighs a decision by asking which outcome produces the most good overall. That approach is:A second approach judges the action itself rather than what follows from it. That approach is:A third approach asks what a person of good character would do. That approach is:Among business professionals, the most popular of those three viewpoints is reported to be:Future information system professionals are told to learn three models. They are Sustainable, Lean and:Under that environmental model, systems must be friendly in design, usage, disposal and even:The aim of such practices is to cut energy use, handle disposal ethically and reduce:Devices become obsolete quickly with rapid technological change, creating substantial:Three things are named as imperative for environmentally sound systems: renewable energy, proper e-waste dispoEthical issues in this area emerge in three places: consumption, policy regulation and:Governments and international bodies matter here because they create the:Tax breaks for greener materials and credits for cutting carbon emissions are examples of:A Nordic operator switched its data centres from fossil fuel to hydrotreated vegetable oil. That country is:A furniture retailer committed to using only recycled and renewable materials in its products. That firm is:Data breaches, surveillance and weak consent processes all violate one thing above all. That is user:Three defences are named for protecting it: access controls, data minimisation and:A hospital wants to share health data for research without exposing individuals. The technique to use is:A team worries its model has learned unfair patterns from training examples. One remedy named is adversarial:To catch bias and inaccuracy after deployment, organisations run regular algorithm:AI and social media are said to raise fresh questions about copyright, fair use, trademarks and:Advances in robotics and AI raise a worry about human work. The concern is that jobs are lost to:How users perceive accessibility, usability and satisfaction when working with a system is its: