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Terms in this set (45)This device enables connectivity between two LANS or a LAN and a larger network Network gateway Organizations use the following to allow suppliers and others limited access to their networks Intranets Extranets The capacity of a communication channel is measured in ____ bandwidth bandwidth A network gateway can be used to connect the LAN of one office group to the LAN of another office group T/F True A service that uses existing phone lines to provide high-speed connections is called ____________ DSL In a network environment, a client provides resources for the servers T/F False Network operation systems (NOS) control and coordinate the activities of all computers and other devices on a network T/F True Remote users can connect to an organization's network through this type of secure private connection VPN The ________ is the central node that coordinates the flow of data by sending messages directly between the sender and receiver nodes client switch With respect to peer-to-peer network, there is an abundant amount of powerful management software that monitors the network activities T/F False _______________ is the process of breaking down information sent or transmitted across the internet into small parts Packetization Fiber-optic cable transmits data as pulses of light through tiny tubes of glass T/F True WiMax stands for _____ Wide-area Access for Maximum Reach Worldwide Interoperability for Microwave Access The client/server network strategy can handle very large networks efficiently T/F True In a communication system, which among the following convert messages into packets that can travel across the communication channel? Connection devices Standard telephone lines use coaxial cables T/F False Intrusion detection systems can recognize signs of a network attack and disable access before an intruder can do damage T/F True Every computer on the Internet has a unique numeric address called a(n) _________ domain address IP address The essential features of this include identifying, sending, and receiving devices and breaking information into small parts for transmission across the Internet DNS TCP/IP This type of network topology does not use a specific physical layout Mesh A wireless access point that provides Internet access in a public place such as a coffee shop, library, bookstore, or university Hotspot Hotspot TCP/IP protocol involves identifying, sending, and receiving devices and breaking information into small parts for transmission across the Internet T/F True All communications between a company's internal networks and the outside world pass through this server Base station Proxy WANs are widely used by organizations to link personal computers and to share printers and other resources T/F False A MAN is a network that is frequently used as links between office buildings that are located throughout a city True In a peer-to-peer network, only the central host computer supplies the resources, the other computers request resources from this host T/F False A network topology in which the central node is connected to two or more subordinate nodes that, in turn, are connected to other subordinate nodes Star Tree Modulation is the name of the process of converting from digital to analog T/F True Microwave communication uses high-frequency _________ radio waves radio waves Which among the following is considered a line-of-sight communication medium? Microwave In a computer network, this node that requests and uses resources available from other nodes Client Client Cellular services use _____ to provide wireless connectivity to the Internet. ADSL 3G and 4G cellular networks Packetization refers to breaking information into small parts for transmission across the Internet T/F True In a communication system, which among the following originate and accept messages in the form of data, information, and/or instructions? Sending and receiving devices Which physical connection is the fastest? Fiber-optic cable The most common standard in LANs is called Ethernet T/F True The GPS device in an automobile uses which communication channel? Infrared Satellite Using this type of communications channel, several users can simultaneously use a single connection for high-speed data transfer Broadband A firewall is a specialized technology designed to protect an organization's network against external threats T/F True __________ is a term relating to sending data to a satellite Uplink A prototype is a set of communication rules for the exchange of information T/F False One of the most dramatic changes in connectivity and communications in the past few years has been ______________ widespread use of mobile devices with wireless widespread use of mobile devices with wireless internet connectivity Connection devices are the actual connecting or transmission medium that carries the message T/F False This type of network strategy uses central servers to coordinate and supply services to other nodes on the network Peer-to-peer Client/server Network architecture describes how a computer network is configured and what topologies and strategies are employed T/F True Sets with similar termsCh 830 terms castaneda97 intro to computer ch 826 terms Genavieve_Alapi Quiz 9, Comms26 terms lina_m__rico Chapter 8: Communications and Networks45 terms emtimms Sets found in the same folderComputer Essentials 550 terms d_1pp Computer Essentials 445 terms Sanam_Malik chapter 741 terms bluefish22 Computer Essentials 146 terms arlenehaig Other sets by this creatorCIS3050 Ch 1031 terms shirleydauz CIS 3050 CH 1-237 terms shirleydauz CIS 3500 Ch 21-30160 terms shirleydauz CIS 3500 CH 11-20159 terms shirleydauz Verified questions
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COMPUTER SCIENCE In a mixed-type expression involving ints and floats, Python will convert a) floats to ints b) ints to strings c) floats and ints to strings d) ints to floats Verified answer Recommended textbook solutions Information Technology Project Management: Providing Measurable Organizational Value5th EditionJack T. Marchewka 346 solutions
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What network system uses central servers to coordinate and supply services to other nodes on the network?A MAN is a network that is frequently used as links between office buildings that are located throughout a city. Standard telephone lines use coaxial cables. This type of network strategy uses central servers to coordinate and supply services to other nodes on the network.
Is a private network within an organization?An intranet is a private network contained within an enterprise that is used to securely share company information and computing resources among employees. An intranet can also be used for working in groups and teleconferences. Intranets encourage communication within an organization.
What do cellular services use to provide wireless connectivity to the Internet for smartphones?WiFi uses radio waves to provide high-speed internet access to mobile devices and allows wireless communication between the connected devices. Cellular uses cell phone towers to enable mobile device communication and provide internet access but requires a data plan attached to the device.
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Organizations use the following to allow suppliers and others limited access to their networks.
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