requests with responses. Communication sessions may be implemented as part of protocols and services at the application layer‚ at the session layer or at the transport layer in the OSI model. • • • Application layer examples: o HTTP sessions‚ which may allow dynamic web pages‚ i.e. interactive web pages‚ as opposed to static web pages. o A telnet remote login session Session layer example: o A Session Initiation Protocol (SIP) based Internet phone call Transport layer example: o A TCP session‚
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3……………………………………………………………………………………….2 Figure 4……………………………………………………………………………………….3 Figure 5……………………………………………………………………………………….3 Figure 6……………………………………………………………………………………….3 Figure 7……………………………………………………………………………………….4 Deliverable 1 - A PDU (Protocol Data Unit) is an important term related to the initial four layers of the OSI model. In Layer 2 it contains the frame‚ in layer 3 it contains a packet‚ and in layer 4 it is a segment. Layer 5 contains the data. The PDU has four field’s destination access point‚ source service point‚ control
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practical course is on 22.06‚ in RZ basement -101. 2 | 54 Communication Systems Last lectures ● We started with rather modern communication technologies and introduced the Internet Protocol as a global orientated packet switching network technology – IP can be run over very different physical media and intermediate protocols – And IP is used for more and more networked services – Very popular traditional service is telephony mostly 1:1 voice communication – With the upcoming “Voice-over-IP” we
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1. What are two Layer 2 WAN technologies that can provide secure remote connections between corporate branch offices? (Choose two.) LTE Frame Relay leased lines QoS IPsec 2. Which two OSI Layer 1 specifications does DOCSIS define for a cable Internet connection? (Choose two.) a deterministic media access method channel bandwidth modulation technique VPN tunneling requirements the separation of the voice and data transmissions 3. Which medium is used for delivering data via DSL technology
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belong to? a) ICMP _______________________ b) TCP _______________________ c) UDP _______________________ (1 Mark) (1 Mark) (1 Mark) 2. For terminal applications‚ an OSI user will use virtual terminal whereas an Internet user will use Telnet. For network management‚ what will the OSI user use and the Internet user? OSI user – ________________________ (1 Mark) Internet user – ________________________ (1 Mark) 3. There are six different types of network problems. Give two
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When I first read in the syllabus that one of our final papers would be a web analysis‚ I found the notion intimidating. I love knowledge and learning‚ I love finding out more about the world‚ and in this case‚ the brain‚ but I find the Internet overwhelming. The vastness and variety of information in the cyber world is daunting‚ and though‚ I like to think of myself as computer-savvy‚ let’s face it I can’t possibly keep up with the skills of my students when it comes to exploring the Internet
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Blend Photos With Apply Image In Photoshop Learn Photoshop with Photoshop Effects at Photoshop Essentials.com Written By Steve Patterson In this Photoshop tutorial‚ we’re going to learn how easy it is to blend photos together using Photoshop’s Apply Image command to give us all kinds of different results and effects. The Apply Image command is one of those features in Photoshop that‚ for one reason or another‚ doesn’t get used very often‚ even by people who have been using Photoshop for years
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Conventions for Describing Networks 2-1. For the controlled (monitored) source shown in the figure‚ prepare a plot similar to that given in Fig. 2-8(b). v2 v1 = Vb (Vb v1 = Va (Va i2 Fig. 2-8 (b) Solution: Open your book & see the figure (P/46) It is voltage controlled current source. i2 +Ve axis v2 -Ve axis gv1 i2 gv1 + v2 current source - 2-2. Repeat
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IEEE SENSORS JOURNAL‚ VOL. 12‚ NO. 8‚ AUGUST 2012 2711 Design and Fabrication of Soft Artificial Skin Using Embedded Microchannels and Liquid Conductors Yong-Lae Park‚ Member‚ IEEE‚ Bor-Rong Chen‚ Member‚ IEEE‚ and Robert J. Wood‚ Member‚ IEEE Abstract— We describe the design‚ fabrication‚ and calibration of a highly compliant artificial skin sensor. The sensor consists of multilayered mircochannels in an elastomer matrix filled with a conductive liquid‚ capable of detecting multiaxis strains
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Snow1 – only 2 layers Script/code Insert the code under first layer‚ first frame: for (k=0; k<50; k++) { duplicateMovieClip(_root.snow‚ "snow"+k‚ k); } Script for object: onClipEvent (load) { //specifies the size of the movie stage movieWidth = 300; movieHeight = 200; //variables that will modify the falling snow i = 1+Math.random()*2; k = -Math.PI+Math.random()*Math.PI; //giving each snowflake unique characteristics this._xscale = this._yscale=50+Math.random()*100;
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