Quiz - Network Analysis

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Feb 20, 2024

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Quiz: Info Analysis You are given Network diagram for a LAN. Identify four components based on the numbers. Simply write the number and the name of the component.  1.Database, 2.Switch, 3. intranet, 4.Modem  1.Server, 2.Switch 3.WiFi, 4.Router  Server, 2.Hub, 3.WiFi, 4.Switch  1.Database, 2.Router, 3.Wifi, 4.Switch You would like to transmit three numbers from one node to another node using digital communication medium. Each number you enter the keyboard has to be converted to digital bits ( i.e. ones and zeros). How many bits will be needed to store and send all three numbers;  8  24  26  16 Among the application services lists given below, which lists the services in order such that the desired throughput rates are increasing?  Voice, transaction processing, still image transfers, and large file transfers  Transaction processing, voice, still image transfers, and large file  Still image transfers, large file transfers, transaction processing, and voice  Large file transfers, voice, transaction processing, and still image transfers The types of networks commonly used in businesses today include:  Voice mail networks, email networks, and local area networks  Local area networks, wide-area networks, and telephone networks  Wide area networks, voice mail networks, and email networks  Local area networks, telephone networks, and voice mail networks

__________ is similar to online chat because it is text-based and exchanged bidirectionally in real time.  Presence  Web conferencing  Instant messaging  Audio conferencing Digital signaling usually means that the information being conveyed is binary.  True  False Electromagnetic signals have been used to provide network connection to two nodes which are apart from each other. Electromagnetic signals_______________________________  are used for digital signals only  are used only for optics  are used for analog signals Analog signals differ from digital signals in that:  analog signals operate at higher frequencies than digital signals  analog signals are represented versus time while digital signals are measured versus frequency  analog signals are continuous while digital signals remain at one constant level and then move to another constant level  analog signals are periodic, digital signals are not Except for digital cellular telephones, fiber optic wire is required for digital transmission.  True  False A carrier wave is modulated with 4 amplitudes changes; how many bits can be represented with each signal change?  1  2  4  3

In modern wireless communication systems, data is sent from one point to another via:  input data  electrical signals  pressure changes  alternating current (A/C) The Internet grew out of a Department of Education project.  True  False We cannot send info (like a picture of cat) through the available communication channels, therefore, we convert the info into small data packages. Each packet includes a unique numeric address of the destination host, which is referred to as an __________ because the address is carried in an Internet Protocol packet. IP Datagram IP Address / IP Datagram The ________ is a global information system logically linked together by a globally unique address space based on the Internet Protocol or its subsequent extensions/follow-ons. Internet An ________ is a physical facility that provides the infrastructure to move data between connected networks. NSP Internet Exchange Point (IXP) The TCP/IP architecture contains ________ layers.  4  5  3  6

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________ is an Internet-based standard and is the framework for developing a complete range of computer communications standards. TCP/IP TCP/IP (Transmission Control Protocol/Internet Protocol) ________ provides a secure remote logon capability, which enables a user at a terminal or personal computer to logon to a remote computer and function as if directly connected to that computer. SSH (Secure Shell) Wireless networks have so many advantages in today data communication, and they possess some drawback as well. Which is not one of the benefits of Wireless networks?  Management headaches  Increased communication cost  Communicate regardless of location  Constant connectivity

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