ITEC325 Final Study Guide True/False Indicate whether the sentence or statement is true or false. ____ 1. The value of layers in the OSI reference model is that it divides networking into a series of tasks‚ and then illustrates how those tasks relate to each other. ____ 2. When transmitting with FHSS‚ if interference is encountered on a particular frequency then that part of the signal will be retransmitted on the previous frequency of the hopping code. ____ 3. Increasing the
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FN["f rt-lt NATToNAL uNrvERsrrY College of Business‚ Hospitality and Tourism Studies Department of Computer Science & lnformation System CIN 545 - lntroduction to Networking Question/ Answer Booklet Final Examination: Trimester 3‚ Date& Time: 20Ll Total Marks: 100 Duration: 3 hours plus 10 minutes I nstructions Read the following instructions before writing Time Allowed: 3 hours and 10 minutes You are allowed ten minutes extra reading time during which you are not
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of miles). j) a network spanning exactly 200 miles with common carrier circuits. _____3. Which of the following would be a standard used at the Data Link layer of the Internet or OSI model? k) IP l) TCP m) Ethernet n) HTTP o) FTP _____4. In which layer of the Internet model would the HTTP standard be used? p) physical q) application r) transport s) network t) data link _____5. The network
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Communication Technologies Assignment 1 This is a rudimentary diagram representing the basic network that is employed in the Boston College Rochford Campus. This section represents a room‚ or department within the campus‚ showing how the Nodes are all connected to a multi-port switch using straight-through cables (Used to connect non-similar devices‚ such as a PC and a switch). The diagram on the left is a bog standard star topology‚ whereby a switch is connected to multiple nodes
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LCFE From early man to modern times‚ data communication have been essential part of human life and development Student NSS2 Introduction Communications is the route that been authorized from the sender to the receiver‚ Data communications is one of the most constantly fast-growing areas in the infrastructures industry of communication‚ Though data communication may seem a fairly new invention but the history of data connections dates to the early
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Attacks on layer two of the OSI model Seven layers of OSI In 1977 a model called Open Systems Interconnection (OSI) was proposed‚ with the aim to establish an interoperability standard for different vendor products. This model defines several layers related to data transfer‚ from the lowest (physical) to the highest (application) layer. They have a strong dependence upon one another and headers are usually added when traversing from a lower layer to a higher one. The seven layers are: Layer 1 -
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Ethernet Port Expander Hardware Audio Port Expander Hardware FireWire Port Expander Hardware Video Port Expander Hardware DB-25 Port Expander Hardware Microphone Port Expander Hardware Serial Port Expander Hardware RS-422 Port Expander Hardware USB Port Expander Hardware Modbus Serial Port Hardware VGA Port Expander Hardware SATA Port Expander Hardware DVI Port Expander Hardware SAS Port Expander Hardware SCSI Port Expander Hardware SSD Port Expander Hardware Hardware Ports Expander
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LAN-T Quick reference manual v1.4.3 Benchmark LAN-T Quick reference manual April 2009 V 1.4.3 LAN-T is a trademark of Benchmark Electronic Systems (P) Ltd. This manual contains Benchmark proprietary material. All other trademarks and copyrights belong to the respective owners and are hereby acknowledged. All Rights reserved. This manual may not be copied in whole or in part‚ nor transferred to any other media or language without the express written permission of Benchmark Electronic
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C H A PTE 1 Learning objectives After learning this chapter the students will be able to: • • • • • • • • Define what a Computer Network is List the benefits of networking List different wired and wireless media for communication Identify different network devices Identify the type of network on the basis of area covered Describe various terms associated with computer networks. List various security threats to computer networks List the preventive and corrective measures against these
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CHAPTER 12 ROUTING IN SWITCHED NETWORKS A NSWERS TO Q UESTIONS 12.1 The average load expected over the course of the busiest hour of use during the course of a day. 12.2 The tradeoff is between efficiency and resilience. 12.3 A static routing strategy does not adapt to changing conditions on the network but uses a fixed strategy developed ahead of time. With alternate routing‚ there are a number of alternate routes between source and destination and a dynamic choice of routes is
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