Compiled by A.K.Asokan. (E-mail:asokanak@hotmail.com) Page Nos.1 of 16 WIDE AREA NETWORK Local Area Network can be easily understood since typically every office has a LAN. One could personally see the switches connecting various computer nodes and may be a router to which the switches are connected. Also we can see the Network Interface Card (NIC) at the back of the computer where we plug in the cable with the RJ45 connector‚ the blinking light etc. on the card. (Sometimes when it is not
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Unit 4 Research Project: MAC Sublayer The Media Access Control (MAC) is one of the sublayers contained in the Data Link Layer (DLL) of the Open Systems Interconnection (OSI) model. The MAC layer provides addressing and channel access control mechanisms‚ and works to transmit data from one Network Interface Card (NIC) to another across a connected network. Carrier Sensed Multiple Access with Collision Detection (CSMA/CD) is the process used by non-switched Ethernet to detect a clear channel between
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a new paradigm of utilizing resources and reducing the cost of ownership‚ it’s capable to offer Reliability as a Service (RaaS) when it’s integrated with the infrastructure layer‚ this integration is the key to achieve this goal where Multi-protocol Label Switching MPLS is linking the applications with infrastructure layer‚ this paper present the collaboration studies of protection components and integration with cloud computing to present the solution to offer reliability to the applications
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of the pure hexane and one mL of the pure acetone to the mortar. Grind the contents until the cell walls have been adequately broken. Transfer the mixture to a centrifuge tube to separate the sample into layers‚ to help remove the water. Once the sample is finished spinning extract the organic layer and place in a test tube. TLC: To determine which mixture acetone and hexane is the best developing solvent the first step is to make mixtures of these solvents in test tubes. In the first test tube
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Column and thin layer chromatography of plant pigments CHEMISTRY 201L EXPT 04 PAGE 01 - 12 Noel Angelo P. Kalacas*‚ Hanna Mae Laluces‚ Ina Bianca Lanuza Department of Chemistry‚ College of Science *Corresponding author; e-mail: knight_BeNcH66@yahoo.com Abstract Chromatography is a powerful technique for separating and/or identifying the components in a mixture. There are different types of chromatography and each has its own strengths and weaknesses. In this experiment‚ pigments of the
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building blocks of other biomolecules like proteins and ezymes (Davidson‚ 2015). This experiment examined a mixture of 3 amino acids. The purpose of this experiment was to identify amino acids in a mixture through cation exchange chromatography and thin layer chromatography. This was done by examining the amino acids elution order from a cation exchange resin based on their isoelectric points and their different
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Take a screenshot of the output. (2 points) Question: What is the difference between using the “show cdp entry {device}” and the “show cdp neighbor detail” commands? The show cdp entry command will list devices that have CDP enabled and if Layer 1 and Layer 2 are being used. The shop cdp neighbor command shows what is attached and it list the model and all software running on it. Hint: Read and study the
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Separating Substances: Identifying Food Dyes with TLC Background The color of food is an integral part of our culture and enjoyment of life. Who would deny the mouth-watering appeal of a deep-pink strawberry ice cream on a hot summer’s day or a golden Thanksgiving turkey garnished with fresh green parsley? Even early civilizations such as the Romans recognized that people "eat with their eyes" as well as their palates. Saffron and other spices were often used to provide a rich yellow color
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model‚ is a way to sub-divide a communications system into smaller‚ more manageable parts known as layers. A layer is a grouping of functions that have similar purpose that either provide services to the layer above it or receives services from the layer below it. On which layer of the OSI model do WAN protocols operate? WANs are managed by the protocols that exist in level 2‚ the Data Link Layer‚ of the OSI model. What are some of these protocols? Connection-orientated WAN data link protocols
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Stereochemistry of Dihydroxylation Reactions Question: Can the stereochemical outcome of dihydroxylation reactions be determined by thin layer chromatography? Overview: In this experiment‚ you will perform two reactions that transform alkenes into diols. While similar in functional group transformation‚ these reactions may lead to stereochemically different products. The two possible products are diastereomers of one another‚ and therefore have different physical chracteristics. After
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