napi in network devices
Chapter 2Communicating Over the Network Quangkien@gmail.com.OverviewDescribe the structure of a network, including the devices and media that are necessary for successful communications. Explain the function of protocols in network communications. Ex potx
... wireless access points) Internetworking Devices (routers) Communication Servers and Modems Security Devices (firewalls) 13 Intermediary Devices and their Role on the Network Intermediary devices to ... of intermediary network devices are: – Network Access Devices (Hubs, switches, and wireless access points) – Internetworking Devices (routers) – Communication Servers and Modems – Security Devices ... (firewalls) 14 Intermediary Devices and their Role on the Network Processes running on the intermediary network devices perform these functions: – Regenerate and retransmit data signals – Maintain information...
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Tài liệu Interconnecting Cisco Network Devices P2 pptx
... of using this type of method is that no collisions of data packets occur Two types of ring topology exist: single-ring and dual-ring Single-Ring Topology In a single-ring topology, all the devices ... stopping the entire ring from functioning Figure 1-11 shows the traffic flow in a single-ring topology Figure 1-11 Traffic Flow in a Single-Ring Topology 17 18 Chapter 1: Building a Simple Network ... (CATV) infrastructure Serial uses the classic digital local loops In the case of DSL and cable, the incoming lines are terminated into a modem that converts the incoming digital encoding into a...
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Tài liệu Interconnecting Cisco Network Devices P1 ppt
... Cisco devices in an internetworking environment In particular, the book covers the basic steps and processes involved with moving data through the network using routing and Layer switching NOTE ... Exploring the Functions of Networking ■ Securing the Network ■ Understanding the Host-to-Host Communications Model ■ Understanding TCP/IP’s Internet Layer ■ IP Network Addressing ■ Understanding ... overwhelming The key to understanding how to build a computer network lies in understanding the foundations of network communications The key to building a complex network involves gaining an understanding...
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Tài liệu Authorized Self-Study Guide Cisco Network Devices,Part 2 (ICND2 pdf
... Cisco devices in an internetworking environment In particular, the book covers the basic steps and processes involved with moving data through the network using routing and Layer switching Readers ... professionals These courses help internetworking professionals learn the fundamentals of internetworking technologies along with skills in configuring and installing Cisco products The certification ... Address Mapping 331 Configuring Frame Relay 334 Example: Configuring Frame Relay Point-to-Point Subinterfaces 336 Example: Configuring Frame Relay Multipoint Subinterfaces 338 Verifying Frame Relay...
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Tài liệu Cisco.press.interconnecting.cisco.network.devices doc
... Cisco devices in an internetworking environment In particular, the book covers the basic steps and processes involved with moving data through the network using routing and Layer switching Readers ... professionals These courses help internetworking professionals learn the fundamentals of internetworking technologies along with skills in configuring and installing Cisco products The certification ... Address Mapping 331 Configuring Frame Relay 334 Example: Configuring Frame Relay Point-to-Point Subinterfaces 336 Example: Configuring Frame Relay Multipoint Subinterfaces 338 Verifying Frame Relay...
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Tài liệu Taxonomy of Conflicts in Network Security Policies docx
... verification using AH transport for all traffic flowing to host B3 The policy in gateway SGA blocks FTP traffic from flowing to any host in network B In addition, all traffic flowing from network A to network ... with intra- and inter-policy conflicts Solid lines indicate permitted traffic, while dotted lines indicate blocked traffic intersects with the corresponding field in Ry , and at least one field in Ry ... within a single policy, and inter-policy conflicts between the policies in different devices Finally, we identify the possible policy conflicts in each subcategory Ry Inclusively matching rules...
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Tài liệu Recovery After a Breach in Network Security doc
... recovery, determine the charges incurred for services • If in- house staff were involved in determining extent of the damage, repairing systems or data, and restoring systems to normal operating conditions, ... the incident occurred and to reduce or eliminate the possibility of the same tactics being used again to intrude into an organization’s systems: • Conduct an initial investigation of the incident ... dollar value of damage, business loss, and cost to restore systems to normal operating conditions The following information is helpful in determining dollar amounts: • In the event that a contractor...
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How Bad are Selfish Investments in Network Security? pdf
... Libin Jiang received his B.Eng degree in Electronic Engineering & Information Science from the University of Science and Technology of China in 2003 and the M.Phil degree in Information Engineering ... providers (SP) build networks which are interconnected If a SP invests to upgrade her own network, the performance of the whole network improves and may bring more revenue to all SP’s In [8], Aspnes ... (− i ∂fi (¯ ) ) is the marginal “benefit” to the ∂xk security of all users by increasing xk at the NE; whereas ck is the marginal cost of increasing xk The second term in the RHS (right-hand-side)...
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Game strategies in network security potx
... Continue_attacking Continue_attacking Continue_attacking Deface_website Install_sniffer φ Run_DOS_virus 10 11 12 13 14 15 16 17 18 φ φ φ φ Capture_data Shutdown _network Capture_data Shutdown _network ... previous work in Sect Finally, we summarize our results and point to future directions in Sect Networks as stochastic games Game theory has been used in many other problems involving attackers ... is ideal for capturing the properties of these interactions In real life, there can be more than one attacker attacking a network and more than one administrator managing the network at the same...
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Concepts in Network Security: LTC Ronald Dodge, Ph.D. United States Military Academy doc
... Trends in Network Security Attackers Increasing sophistication Increasing communication/ collaboration Defenders Increasing complexity Increasing dependency Increasing attrition Decreasing budgets ... Persistent ignorance/ increasing awareness/ more knowledgeable sysadmin Network systems Increasing connectivity Increasing complexity Increasing functionality Increasing “computrons” Increased application ... Active recon Social engineering Via e-mail Via telephone Via casual conversation Dumpster diving Scanning Finger printing operating systems Scanning Scanning A method for discovering exploitable communication...
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advances in network & distributed systems security
... securing computer networks, including both hardware- and software-based techniques to promote dissemination of research results in the field of network security in real-life networks in industry, ... enough, resulting in false credit information being accepted as genuine This inexorably hurts financially any e-Merchant having accepted fraudulent information as well as hurting unsuspecting people, ... 16 ADVANCES IN NETWORK AND DISTR SYSTEMS SECURITY INTRODUCTION In an ever-improving technological world, e-commerce is becoming an increasingly popular a tool for communication, business and analysis...
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Silicon Carbide Materials Processing and Applications in Electronic Devices Part 1 docx
... Explosion Science and Technology, Beijing Institute of Technology 2School of Aerospace, FML, Department of Engineering Mechanics, Tsinghua University, Beijing, China Introduction Excellent physical ... mechanisms distinct from their crystalline counterparts The coexistence of brittle grains and soft amorphous grain boundaries (GBs) consisting in nanocrystalline SiC (nc-SiC) results in unusual deformation ... indicators of a-SiC with varying χ The number of four-fold coordinated C and Si atoms declines with increasing χ especially for the case of Si atom, which is in accordance with the argument in...
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Silicon Carbide Materials Processing and Applications in Electronic Devices Part 2 pot
... with single 6-rings in ABC sequence with single 4-rings or 6-2 rings (b) ATO with single 4- or 6-rings (c) AFI with single 4- or 6-rings (d) VFI with single 6-rings (e) ATV with single 4-rings ... and a strain enthalpy ΔHsize Indeed, the large atomic size difference introduces a microscopic strain by incorporating C-C or Si-Si bonds while an ordered crystal is intrinsically strain free ... states contain one bonding node in odd membered rings) The difference in energy within DFT between Si-34 and Si-2 is of 0.06 eV per bond compared to 0.17 eV in the first metastable beta-tin structure...
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Silicon Carbide Materials Processing and Applications in Electronic Devices Part 3 pdf
... annealing at 800ºC a narrowing of this line, at 900ºC a sharp narrowing of the line Si(111) and the appearance of Si(220) and Si(311) lines of polycrystalline Si phase, as well as two weak lines ... 12) approximately k800 ≈ [Iint(800ºС)/Iint(20ºС)]×100% = 72% of silicon atoms in the layer is incorporated into crystallites of Si The remaining atoms of Si (28%) are in an amorphous mixture of ... line of amorphous silicon Si(111) at θ = 14.3º is observed (Fig 14) Increase of annealing temperature above 800ºC causes narrowing of this line, increasing the number and amplitude of the line...
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Silicon Carbide Materials Processing and Applications in Electronic Devices Part 4 docx
... Processing and Applications in Electronic Devices Really, as seen in Table 5, the increase of carbon concentration x in the layer SiC0,12 in times in comparison with SiC0.03 results to a smaller increase ... layer only in 1.91 times Further increase in the concentration of carbon x in the SiCх layers in 13, 23, 32, 47 times leads to an increase in the number of optically active Si−C-bonds in several ... 25% small particles, showing inhomogeneous filling The main thermal properties of composite materials obtained by gas pressure infiltration of ceramic preforms containing a bimodal mixture of...
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Silicon Carbide Materials Processing and Applications in Electronic Devices Part 5 pot
... 2004) was introduced In Fig 4, the horizontal coordinate is along the dashed line in Fig 3, and the longitudinal coordinate is the intensity ratio According to the intensity ratio, the scanning scope ... j ' = cos δ sin δ cos γ − cos δ sin δ − cos δ sin γ k ' cos δ sin δ cos γ − cos δ sin δ cos2 δ + sin δ cos γ − sin δ sin γ cos δ sin γ i sin δ sin γ j ... consequence, wetting 5.2 Drainage curves for gas-pressure infiltration Determination of threshold pressures is often not sufficient to fully characterize wetting in infiltration processing Intrinsic capillary...
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Silicon Carbide Materials Processing and Applications in Electronic Devices Part 6 docx
... a confinement dimension in the range of 2.5 to nm, in good agreement with the TEM image After 10h annealing, the TO and LO peaks become sharper and more intense, indicating an increase in the ... The Raman line broadening can be described by the (linear) dependence of its half width upon the inverse grain size, as reported previously for many nanocrystalline materials including CeO2 (Kosacki ... of oxygen from the cross-linking process resulted in a stoichiometry closer to Si/C = and an increase in size of the β-SiC grains which were in the range of to 10 nm in commercial fibres The TEM...
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Silicon Carbide Materials Processing and Applications in Electronic Devices Part 7 docx
... for monitoring involved gases into and out of the process tubes and a loading station used for loading (or unloading) wafers into (or from) the process tubes as shown in figure The heating assembly ... Central Electronics Engineering Research Institute (CEERI)/ Council of Scientific and Industrial Research (CSIR) India Introduction The thin thermally grown SiO2 plays a unique role in device fabrication ... GRMF in both oxidizing ambient 218 Silicon Carbide – Materials, Processing and Applications in Electronic Devices Fig 11 Determination of growth rate multiplication factor between both terminating...
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Silicon Carbide Materials Processing and Applications in Electronic Devices Part 8 pptx
... for treating long range interactions in ab initio and force-field-based calculations in clusters, J Chem Phys 110: 2810–2821 Tuckerman, M E & Parrinello, M (1994) Integrating the car-parrinello ... obtaining the maximally localized orbitals is to introduce the transformation in Eq (38) into Eq (39) and then to minimize the spread functional with respect to Uij : ∂ Ω[{ψ }] = (40) ∂Uij The minimization ... that include dynamic and thermal effects A primary goal for considering this surface is to determine whether 3C-SiC(001)-3×2 is a promising candidate for creating ordered semiconducting-organic interfaces...
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Silicon Carbide Materials Processing and Applications in Electronic Devices Part 9 pot
... that the incorporation of C does not induce significant interface reconstruction Namely, the two Si layers proximal to the interface maintain the stacking 299 Introducing Ohmic Contacts into Silicon ... structure and relating it to device properties, revealing, in this way, physics origin of contact issues in SiC electronics In addition to determining atomic structure of 4H-SiC/Ti3SiC2 interface, the ... 3C/2H combinations; The grain size distribution of SiC in space includes both very small and very large grains (1.5 nm - 26 μm), with most grains in the 0.1–1 μm range Single-crystal SiC grains can...
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