MIS exam 2
If you are purchasing a router that can provide wireless Wi-Fi at up to 11 Mbps (but not over), you would need to purchase an __________ router.
802.11b
What type of system provides technology for tracking the movement of goods throughout a supply chain?
RFID systems use small tags with embedded microchips with data about an item and its location.
The four-part numeric address indicating a unique computer location on the Internet is called __________.
an Internet Protocol (IP) address
If you want your cell phone to transmit up to 100 megabits/second downloads, you would need to upgrade to a(n) _____________ network.
4G networks have much higher speeds: 100 megabits/second download and 50 megabits upload speed, with more than enough capacity for watching high-definition video on your smartphone.
Which of the following is an upgrade to traditional HTML because it allows the addition of multimedia features (i.e., video) without cumbersome add-ons?
HTML5
__________ integrate(s) disparate channels for voice communications, data communications, instant messaging, email, and electronic conferencing into a single experience where users can seamlessly switch back and forth between different communication modes.
Unified communications
Today's broadband in households allows for connections of up to 15 ________________ per second.
million bits
Compared to in-house hosting, cloud-based hosting ________.
minimizes the risk of investing in technology that will soon become obsolete
Because computers use digital signals and transmission media such as cable lines use analog signals, a(n) ________ is needed to convert the signal forms
modern
Bluetooth is the popular name for the 802.15 wireless networking standard, which is useful for creating small __________.
personal area networks (PANs)
Twisted copper telephone wire, coaxial copper cable, fiber-optic cable, and media for wireless transmission are all __________.
physical transmission media
Twister copper telephone wire, coaxial copper cable, fiber-optic cable, and media for wireless transmission are all __________.
physical transmission media
4G networks differ from 3G networks in that 4G networks __________.
provide more than enough capacity for watching high definition videos on smartphones
The traditional telephone system, mobile cellular communication, wireless local area networks, videoconferencing systems, a corporate Web site, intranets, and extranets are all components of __________.
the networking infrastructure for a large company
The system software that manages and controls the computer's activities is called __________.
the operating system What You Need to Know: The system software that manages and controls the computer's activities is called the operating system. Application software refers to programs written for a specific application to perform functions specified by end users. The graphical user interface (GUI) is the part of the operating system users interact with that uses graphic icons and the computer mouse to issue commands and make selections. Open source software is produced and maintained by a global community of programmers and is often downloadable for free.
Bluetooth differs from WiMax in that Bluetooth __________.
can only link up to eight devices within a 10-meter area
A __________ is a collection of computers that communicate with one another over transmission lines or wirelessly.
computer network
The Domain Name System (DNS) __________.
converts domain names to IP addresses
A common approach of networking multiple computers as opposed to a single computer is called ________.
distributed processing
T or F IP handles data moving between computers, and TCP packages data at each end of the transmission.
False
__________ are leased, dedicated lines suitable for businesses or government agencies requiring high-speed guaranteed service levels.
T1 and T3 lines
__________ are leased, dedicated lines suitable for businesses or government agencies requiring high-speed guaranteed service levels.
T1 and T3 lines They are mostly used to provide internet access to homes and small business
__________ consists only of computers, a connection medium, network operating system software, and either a hub or a switch.
A basic network
Daniel wants to establish a broadband connection between his computer and the local ISP. He decides to set up a connection that can operate over his existing telephone lines to carry voice, data, and video at transmission rates ranging from 385 Kbps to 40 Mbps. Which of the following will best help Daniel establish such a connection?
A digital subscriber line (DSL)
Which of the following is NOT one of the major IT infrastructure components?
A mainframe What You Need to Know: A mainframe is not one of the major IT infrastructure components. A mainframe is a large-capacity, high performance computer that can process large amounts of data very rapidly. -Computer hardware consists of technology for computer processing, data storage, input, and output. -Computer software includes both system software and application software. System software manages the resources and activities of the computer. Application software applies the computer to a specific task for the end user, such as processing an order or generating a mailing list. -Data management technology organizes, processes, and manages business data concerned with inventory, customers, and vendors.
Which of the following best defines a mainframe?
A mainframe is a large-capacity, high performance computer that can process large amounts of data very rapidly. What You Need to Know: -A supercomputer is a specially designed and more sophisticated computer that is used for tasks requiring extremely rapid and complex calculations with thousands of variables, millions of measurements, and thousands of equations. -Grid computing involves connecting geographically remote computers into a single network to create a "virtual supercomputer" by combining the computational power of all computers on the grid. -A server is a computer specifically optimized to provide software and other resources to other computers over a network.
A hub is often used as a connection point between networked computers. Which of the following is very similar, but contains more advanced capabilities/intelligence?
A switch
What is the difference between a switch and a hub?
A switch has more intelligence than a hub and can filter and forward data to a destination on the network.
__________ refers to programs written for a specific application to perform functions specified by end users.
Application software What You Need to Know: Application software refers to programs written for a specific application to perform functions specified by end users. The operating system is the system software that manages and controls the computer's activities. The graphical user interface (GUI) is the part of the operating system users interact with that uses graphic icons and the computer mouse to issue commands and make selections. Open source software is produced and maintained by a global community of programmers and is often downloadable for free.
Shopping _______ use intelligent agent software to help people filter and discover information about potential products.
BOTS use intelligent agent software for searching the Internet for shopping information
Which of the following is a common wireless networking standard that is generally used for PANs?
Bluetooth enables a variety of devices, including cell phones, smartphones, wireless keyboards and mice, PCs, and printers, to interact wirelessly with each other within a small, 30-foot (10-meter) area.
The popular networking standard 802.15 is also known as ________________.
Bluetooth is the popular name for the 802.15 wireless networking standard, which is useful for creating small personal area networks.
Twisted pair wire, also known as ____________, is the most common 10 Mbps LAN cable on the market today.
CAT 5
Which of the following best describes a cloud-based software service?
Cloud-based software and the data it uses are hosted on powerful servers in massive data centers, and can be accessed with an Internet connection and standard Web browser. What You Need to Know: Instead of buying and installing software programs, subscribing companies rent the same functions from these services, with users paying either on a subscription or per-transaction basis. Mashups are composite software applications that depend on high-speed networks, universal communication standards, and open source code and are intended to be greater than the sum of their parts. Apps are small pieces of software that run on the Internet, on a computer, or on a mobile phone and are generally delivered over the Internet. Open source software is produced and maintained by a global community of programmers and is often downloadable for free.
Equipment for gathering and inputting data, physical media for storing the data, and devices for delivering processed information as output are examples of which component of IT infrastructure?
Computer hardware What You Need to Know: -Equipment for gathering and inputting data, physical media for storing the data, and devices for delivering processed information as output are examples of computer hardware. Computer hardware consists of technology for computer processing, data storage, input, and output. -Computer software includes both system software and application software. System software manages the resources and activities of the computer. Application software applies the computer to a specific task for the end user, such as processing an order or generating a mailing list. -Data management technology organizes, processes, and manages business data concerned with inventory, customers, and vendors. -Networking and telecommunications technology provides data, voice, and video connectivity to employees, customers, and suppliers.
Which of the following is NOT a challenge of managing IT infrastructure?
Consulting with shareholders on best practices What You Need to Know: -Managing capacity planning and scalability so that the firm has enough computing power for its current and future needs is a challenge of managing IT infrastructure. -Balancing the costs and benefits of building and maintaining the firm's own hardware and software versus outsourcing or using an on-demand computing model is a challenge of managing IT infrastructure. -For companies with global operations, managing software localization is a challenge of managing IT infrastructure.
Which of the following is true of Global System for Mobile Communications (GSM)?
GSM's strength is its international roaming capability. less effcient that CDMA
Which of the following is a new network backed by universities, government, and private companies in more than 100 countries?
Internet2
The measurement ____________ is equivalent to one cycle of the telecommunication medium.
Hertz
__________ are very simple devices that connect network components, sending a packet of data to all other connected devices.
Hubs
If you are renting a home while going to college and would like to connect to the Internet, you will need to contact a(n)______________ such as EarthLink, NetZero, or AT&T to connect.
ISP
Which of the following best defines IT infrastructure?
IT infrastructure is the shared technology resources that provide the platform for the firm's specific information system applications. What You Need to Know: -An application server is software that handles all application operations between browser-based computers and a company's back-end business applications or databases. -Client/server computing is a model for computing that splits processing between clients and servers on a network, assigning functions to the machine most able to perform the function. -Service-oriented architecture is software architecture of a firm built on a collection of software programs that communicate with each other to perform assigned tasks to create a working software application.
Which of the following best describes cloud computing?
In cloud computing, firms and individuals obtain computing power and software as services over a network, including the Internet, rather than purchasing and installing the hardware and software on their own computers. What You Need to Know: -Grid computing involves connecting geographically remote computers into a single network to create a computational grid that combines the power of all the computers on the network. -Nanotechnology builds structures and processes based on the manipulation of individual atoms and molecules. -Green computing includes practices and technologies for producing, using, and disposing of information technology hardware to minimize negative impact on the environment.
Which of the following statements about RFID is FALSE?
In inventory control and supply chain management, RFID systems capture and manage less detailed information about items in warehouses or in production than barcoding systems.
Which of the following is an operating-system and hardware-independent programming language that is the leading interactive programming environment for the Web?
Java What You Need to Know: Java is an operating-system and hardware-independent programming language that is the leading interactive programming environment for the Web. MySQL is a relational database product. DB2 is an enterprise database management application. Android is an operating system used on mobile devices.
__________ is an operating system created by the open source community.
Linux What You Need to Know: Linux is an operating system created by the open source community. It is a powerful, resilient operating system developed by the open source community that can run on multiple hardware platforms and is used widely to run Web servers. It is a variant of Unix. Open source software is produced and maintained by a global community of programmers and is often downloadable for free. Mac OS X is an operating system developed by Apple. Windows RT is an operating system developed by Microsoft. Symbian is a mobile-client operating system designed for Nokia phones, among others.
All of the following software applications are available for Apple's smartwatch EXCEPT ________. A. Evernote for notetaking B. Linux for running web servers C. PowerPoint for presentations D. Salesforce Analytics for performance metrics E. Invoice2go for time and billing
Linux for running web servers
A _____ is great for a city to set up for emergency and public use since it is larger than many types of network configurations.
MAN
Which IT infrastructure component provides data, voice, and video connectivity to employees, customers, and suppliers?
Networking and telecommunications technology What You Need to Know: Networking and telecommunications technology provides data, voice, and video connectivity to employees, customers, and suppliers. Technology for running a company's internal networks, services from telephone service companies, and technology for running Web sites linking to other computer systems through the Internet are examples of networking and telecommunications technology. -Computer software includes both system software and application software. System software manages the resources and activities of the computer. Application software applies the computer to a specific task for the end user, such as processing an order or generating a mailing list. -Data management technology organizes, processes, and manages business data concerned with inventory, customers, and vendors. -Computer hardware consists of technology for computer processing, data storage, input, and output.
Instead of sending an entire file in one big chunk across the Internet, __________ is used which dices the file up into little pieces that are sent independently across the communications paths, and then reassembled when they reach their destination.
Packet switching
__________ provide(s) a powerful technology for tracking the movement of goods using tiny tags with embedded data about an item and its location.
Radio frequency identification (RFID) systems
Which of the following best describes radio frequency identification (RFID) systems?
Radio frequency identification (RFID) systems are technology that uses tiny tags with embedded microchips containing data about an item and its location to transmit short-distance radio signals to special readers that then pass the data on to a computer for processing
What type of communications processor directs packets of data through different networks, ensuring that data gets to the correct address?
Router
Which of the following statements is true of client/server computing?
The server sets the rules of communication for the network
Which of the following statements is true of client/server computing?
The server sets the rules of communication for the network.
__________ can be used to analyze direct and indirect costs to help firms determine the actual cost of specific technology implementations.
The total cost of ownership (TCO) model What You Need to Know: The total cost of ownership (TCO) model can be used to analyze direct and indirect costs to help firms determine the actual cost of specific technology implementations. -From an IT perspective, capacity planning is the process of predicting when a computer hardware system becomes saturated. It considers factors such as the maximum number of users that the system can accommodate at one time, the impact of existing and future software applications, and performance measures, such as the minimum response time for processing business transactions. -Software outsourcing enables a firm to contract custom software development or maintenance of existing legacy programs to outside firms, which often operate offshore in low-wage areas of the world. -Scalability refers to the ability of a computer, product, or system to expand to serve a large number of users without breaking down.
It is possible to use a special secure, encrypted network, a _____, which works on the public network, like the Internet.
The virtual private network, VPN, is much cheaper than other secure networks.
Which statement about multi-tiered (N-tier) client/server networks is true? A. The work of the entire network is balanced over several levels of servers. B. Processing is handled by one large central computer. C. Processing is split between clients and servers. D. Processing is handled by multiple, geographically remote servers. E.The work of the entire network is centralized.
The work of the entire network is balanced over several levels of servers
As a part of a certain communication technology, an IP network provides a single voice-data infrastructure for both telecommunications and computing services, so companies no longer have to maintain separate networks or provide support services and personnel for each type of network. Which communication technology does the scenario describe?
Voice over IP (VoIP)
Because it is difficult to lay cable or set up numerous Wi-Fi networks in rural areas of the U.S., ______ becomes a more viable option as it has a range of approximately 30 miles.
WeMax; uses microwaves for transmission
One promising prediction for the future is that _____ will bring digital information, in all forms, together into a single, meaningful, experience.
Web 3.0
Which of the following refers to loosely coupled software components based on open Web standards that work with any application software and operating system?
Web services What You Need to Know: Web services are loosely coupled software components based on open Web standards that work with any application software and operating system. They can be used as components of Web-based applications linking the systems of two different organizations or to link disparate systems of a single company. Operating systems are the software programs used to run the activities of a computer. Microsoft Windows, Unix, Linux, Mac OS X, Chrome, Android, and iOS are all operating systems platforms. Virtualization organizes computing resources so that their use is not restricted by physical configuration or geographic location. Grid computing involves connecting geographically remote computers into a single network to create a computational grid that combines the power of all the computers on the network.
A large corporation managing a network over a global area would be considered a ________.
Wide area network
__________ span broad geographical distances—entire regions, states, continents, or the entire globe.
Wide area networks (WANs)
__________ is/are networks of interconnected wireless devices with built-in processing, storage, and radio frequency sensors and antennas that are embedded into the physical environment to provide measurements of many points over large spaces.
Wireless sensor networks (WSNs)
__________ is/are valuable in areas such as monitoring environmental changes, monitoring traffic or military activity, protecting property, efficiently operating and managing machinery and vehicles, monitoring supply chain management, or detecting biological, chemical, or radiological material.
Wireless sensor networks (WSNs)
From an IT perspective, __________ is the process of predicting when a computer hardware system becomes saturated.
capacity planning What You Need to Know: From an IT perspective, capacity planning is the process of predicting when a computer hardware system becomes saturated. It considers factors such as the maximum number of users that the system can accommodate at one time, the impact of existing and future software applications, and performance measures, such as the minimum response time for processing business transactions. -In autonomic computing, computer systems have capabilities for automatically configuring and repairing themselves. -Software outsourcing enables a firm to contract custom software development or maintenance of existing legacy programs to outside firms, which often operate offshore in low-wage areas of the world. -When dealing with platform and infrastructure change, scalability refers to the ability of a computer, product, or system to expand to serve a large number of users without breaking down.
Which of the following statements about RFID is false?
capture and manage less detailed information about items in warehouses or in production than barcoding systems.
A model for a computer that splits the processing between clients and servers on a network, assigning functions to the machine most able to perform the function is called __________.
client/server computing What You Need to Know: -Grid computing involves connecting geographically remote computers into a single network to create a "virtual supercomputer" by combining the computational power of all computers on the grid. -A server is a computer specifically optimized to provide software and other resources to other computers over a network. -A mainframe is a large-capacity, high performance computer that can process large amounts of data very rapidly.
A location specified to include IT infrastructure such as storage, security, and system backup is called a ________.
data center
Software for managing business data (i.e., inventory) is known as _______________ software.
data management
Which term refers to connecting geographically remote computers in a single network to create a "virtual supercomputer"?
grid computing
Bandwidth transmission speed is measured in ______________.
hertz
Keyboards, computer mice, touch screens, magnetic ink, and digital scanners are all examples of __________.
input devices What You Need to Know: -Output devices include display monitors, printers, and audio output devices. -Optical discs use laser technology to store large quantities of data, including sound and images, in a highly compact form. -Magnetic disks, the most widely used secondary storage medium today, store data by means of magnetized spots on a hard or floppy disk.
A ________ is a large-capacity, high-performance computer that can process large amounts of data very rapidly.
mainframe
Microsoft Windows Server and Linux are both considered examples of ____________.
network operating systems
In cloud computing, why are resources considered pooled?
organizations share the same physical hardware through virtualization
3G networks differ from 4G networks in that 3G networks __________.
offer fair transmission speeds for browsing the Web and online shopping, but are too slow for videos
When firms outsource software work outside their national borders, this practice is called __________.
offshore software outsourcing What You Need to Know: When firms outsource software work outside their national borders, this practice is called offshore software outsourcing. Until recently this type of software development involved lower-level maintenance, data entry, and call center operations, but with the growing sophistication and experience of offshore firms, particularly in India, more and more new program development is taking place offshore. -A Web hosting service is a company with large Web server computers to maintain the Web sites of fee-paying subscribers. -A service level agreement (SLA) is a formal contract between customers and their service providers that defines specific responsibilities of the service provider and the level of service expected by the customer. -A hybrid cloud is a computing model where firms use both their own IT infrastructure and also public cloud computing services.
When dealing with platform and infrastructure change, __________ refers to the ability of a computer, product, or system to expand to serve a large number of users without breaking down.
scalability What You Need to Know: -As firms grow older, they can outgrow their infrastructure. As firms shrink, they can get stuck with excessive infrastructure purchased in better times. Considering a firm's scalability can help a firm remain flexible. -In autonomic computing, computer systems have capabilities for automatically configuring and repairing themselves. -Software outsourcing enables a firm to contract custom software development or maintenance of existing legacy programs to outside firms, which often operate offshore in low-wage areas of the world. -Virtualization organizes computing resources so that their use is not restricted by physical configuration or geographic location.
If you purchase a lightweight laptop (e.g., MacBook Air), it will likely have a __________ which replaces the traditional hard drive.
solid state drive What You Need to Know: in lightweight PCs, such as the MacBook Air, smartphones, and tablets, hard drives have been replaced by solid state drives (SSDs), which use an array of semiconductors organized as a very fast internal disk drive. Dual random access memory systems, OLED displays, which are used on the new iPhone X, and 802.11 optical drives are unrelated to the solid state drives (SSD) that are replacing traditional hard drives.
Lightweight portable devices such as small laptops, tablets, and smartphones, utilize ________ as the secondary storage technology.
solid state drives
Which of the following is true of Global System for Mobile Communications (GSM)?
strength is its international roaming capability.
The Windows operating system is an example of ______________ software.
system
Code Division Multiple Access (CDMA)
transmits over several frequencies and occupies the entire spectrum and was first developed by the military during World War II
Configuring a server to run a variety of instances of an operating system to appear like many different machines to the end user is an example of ________.
virtualization
Developing effective apps is considered a critical element to the successful adoption of ________.
wearable computing
The Apple Watch is a new type of mobile digital computing called ________.
wearable computing
Which of the following is dedicated to managing HTML pages?
web server