accessing the wan chapter 1

... interface must be configured Trang 17WAN Frame Encapsulation Formats ƒ Flag field : The frame always starts and ends with an 8-bit flag field –The bit pattern is 01111110 –(7E in hexadecimal notation) ... •The DCE connect subscribers to a communication link on the WAN –Data Terminal Equipment (DTE) - The customer devices that pass the data for transmission over the WAN •The DTE connects to the ... Trang 1Accessing the WAN – Chapter 1 Trang 2Objectives ƒ In this chapter, you will learn to: – Describe how the Cisco enterprise architecture provides integrated

Ngày tải lên: 05/07/2014, 03:20

... –Data is encapsulated by the sending router –The frame is sent on a physical medium to the WAN –There are various ways to traverse the WAN, –The receiving router uses the same communications ... •The remote DCE then signals this sequence to the remote DTE ƒ The connection between the two DCE devices is the WAN service provider transmission network Cisco Internal T1 CSU/DSU WIC-1DSU-T1 ... starts and ends with an 8-bit flag field The bit pattern is 01111110 ƒ Address - The address field contains the HDLC address of the secondary station –This address can contain a specific address,

Ngày tải lên: 05/07/2014, 03:20

... there are no hourly charges Trang 6The Frame Relay WAN ƒ When you build a WAN, there is always 3 components, –DTE –DCE –The component sits in the middle, joining the 2 access points ƒ In the ... on each LAN is the DTE –A serial connection, such as a T1/E1 leased line, connects the router to the Frame Relay switch of the carrier at the nearest POP for the carrier –The Frame Relay ... –The Frame Relay encapsulation used on DLCI 102 is CISCO ƒ The output of the show frame-relay map command –You can see that the interface is up and that the destination IP address is 10.1.1.2

Ngày tải lên: 05/07/2014, 03:20

... Trang 11 Accessing the WAN – Chapter 4 Trang 2Objectives ƒ In this chapter, you will learn to: – Identify security threats to enterprise ... Trang 28The Network Security Wheel ƒ The security policy is the four steps of Security Wheel ƒ Step 1: Secure –Secure the network by applying the security policy and implementing the following ... search a host for open ports •The port scanner queries the ports to determine the application and version, as well as the version of OS –Packet sniffers Trang 1515 Reconaissance Attacks ƒ Packet

Ngày tải lên: 05/07/2014, 03:20

... 18Example of the order of the conditions is critical the conditions is critical access-list 101 permit IP host 10.1.1.2 host 172.16.1.1 access-list 101 permit tcp host 10.1.1.2 host 172.16.1.1 access-list ... 0.0.0.255 – R1(config)# access-list 10 permit 192.168.17.0 0.0.0.255 – R1(config)# access-list 10 permit 192.168.18.0 0.0.0.255 – R1(config)# access-list 10 permit 192.168.19.0 0.0.0.255 – R1(config)# ... 192.168.10.0 0.0.3.255 ƒ That may not seem more efficient, but when you consider if you wanted to match network 192.168.16.0 to 192.168.31.0 : – R1(config)# access-list 10 permit 192.168.16.0

Ngày tải lên: 05/07/2014, 03:20

... time, •The remote user, for example, then downloads his email from the mail server at 10.10.0.5, and downloads a document from the Archive at 10.2.3.4 Next, without exiting the tunnel, the remote ... Trang 1Accessing the WAN – Chapter Trang 22 Objectives ƒ In this chapter, you will learn to: – Describe the enterprise requirements for providing teleworker services, including the differences ... signals on the cable in either direction at the same time The following frequency scope is used: –Downstream : Transmitting the signals from the cable operator to the subscriber, the outgoing

Ngày tải lên: 05/07/2014, 03:20

... likely an RFC 1918 private address In the figure, the IP address 192.168.10.10 is assigned to the host PC1 on the inside network Inside global address - Valid public address that the inside host ... it exits the NAT router When traffic from PC1 is destined for the web server at 209.165.201.1, router R2 must translate the address In this case, IP address 209.165.200.226 is used as the inside ... R1 will be configured as the DHCP server on the Fa0/0 and Fa0/1interfaces The DHCP server function is enabled under Additional Tasks in the Configure tab From the list of tasks, click on the

Ngày tải lên: 05/07/2014, 03:20

... topology, with the hubs of the stars linked to form the region •interconnect the regions to form the core of the WAN – Regions could be geographic, connecting between three and 10 areas, and the hub ... Trang 24Steps in WAN Design these are the steps for designing or modifying a WAN: ƒ Step 1 Locate LANs - Establish the source and destination endpoints that will connect through the WAN ƒ Step ... to handle them –The network access layer communicates directly with the network media and provides an interface between the architecture of the network and the Internet layer Trang 12General

Ngày tải lên: 05/07/2014, 03:20

... Degradates 115 5.5.4 Mixtures 116 5.5.5 Enantiomer-Specific Hazard 117 5.5.6 Sorption to Sediment 118 5.5.7 Assessing Effects on Communities 119 5.6 Conclusions 121 References 122 Chapter 6 ... 169 7.10.1 Mesocosm and Field Testing 169 7.10.2 Testing of Additional Species 170 7.10.3 Monitoring Studies 170 7.11 Calculation of PNEC Concentrations and Use of Assessment Factors 171 7.12 ... Antiprotozoals 10 2.2.4 Antifungals 10 2.2.5 Aquaculture Medicines 10 2.2.6 Hormones 10 2.2.7 Growth Promoters 10 2.2.8 Other Medicinal Classes 11 2.3 Pathways to the Environment 11 2.3.1 Emissions

Ngày tải lên: 18/06/2014, 22:20

... IPMprograms in the decades to come The late 1960s and early 1970s were pivotal in the evolution of the policies thatstill serve as the basis for federal IPM programs There were several reasons forthe attention ... and to improve the efficacy and effectiveness of the application techniques.Chapter 10:An analysis of the current state of the crop protection industryand a projection of the future The discussion ... the pest management industry The authors of thesechapters represent the best expertise in the field.manage-The enactment of the Food Quality Protection Act (FQPA) of 1996 hashad a major impact on

Ngày tải lên: 11/08/2014, 12:21

... analy-sis of the current state of knowledge of heavy metals in the environment.The volume begins with a chapter on the essentiality and toxicity of metals.The widespread distribution of metals in the ... approaches to the bio-logical monitoring of chromium (VI)–exposed subjects Chapter 10 presents anassessment of the hazards of aluminum exposure to humans, animals, and plants.Chapter 11, on nickel, ... Chapters 6 and 7 review the global perspective onarsenic in the environment and aspects of arsenic toxicity Chapter 6 exploresthe environmental behavior of arsenic with special reference to the

Ngày tải lên: 11/08/2014, 15:20

... Atmosphere 102 Chapter 5 Radiowave Scattering 111 5.1 Cross Section of Scattering 111 5.2 Scattering by Free Electrons 114 5.3 Optical Theorem 116 5.4 Scattering From a Thin Sheet 118 5.5 Wave ... 305 11.3 Radio Altimeters 306 11.4 Radar Systems for Remote Sensing of the Environment 308 11.5 Scatterometers 321 11.6 Radar for Subsurface Sounding 323 11.7 Microwave Radiometers 326 Chapter ... as: (1.16)The divergence of this density is described by the transport equation: The value: (1.18)describes the mean for the period losses of the electromagnetic power density, and (1.19) is the

Ngày tải lên: 11/08/2014, 21:21

... 239–244, 1991; and S.J Smith, A.N Sharpley, J.W Naney, W.A Berg, and O.R Jones, J Environ. Qual 20, 244–249, 1991.) Erosion (tonnes ha -1 ) 10 100 1 0.1 0.01 0.001 -1 ) 7.5 5.0 2.5 0 10 8 6 4 2 1 Particulate ... Fluvial Processes and Impact of P in Surface Waters 12 1.7.1 Fluvial Processes 12 1.7.2 Surface Water Impacts 14 1.8 Summary 14 References 15 1.1 INTRODUCTION Phosphorus (P), an essential nutrient ... 3 1.2 Types of Models 4 1.2.1 Process–Based Models 5 1.2.2 Export Coefficient Models 5 1.2.3 Statistical or Empirical Models 6 1.3 How Models Simulate P Transport 6 1.3.1 Dissolved P 6 1.3.2

Ngày tải lên: 12/08/2014, 00:21

... Authentication 113 Task 7: Configure OSPF Routing 113 Task 8: Configure VLANs 114 Task 9: Verify Connectivity 114 Chapter 3 Frame Relay 115 Basic Frame Relay Concepts 116 Review Questions 117 ... 165 Task 6: Configure the FastEthernet Interface on the Branch 1 LAN 166 Task 7: Configure the FastEthernet Interface on the Branch 2 LAN 166 Task 8: Configure the FastEthernet Interface on the ... Relay 117 Vocabulary Exercise: Matching Terms 118 Advanced Frame Relay Concepts 118 Fill-in-the-Blank Exercise 119 Configuring Advanced Frame Relay 119 Vocabulary Exercise: Matching Commands 120

Ngày tải lên: 28/02/2019, 15:45

... and looked over them about the room; then she put them up and looked out under them She seldom or never looked through them for so small a thing as a boy; they were her state pair, the pride of ... the bed with the broom, and so she needed breath to punctuate the punches with She resurrected nothing but the cat Trang 2"I never did see the beat of that boy!" _16- She went to the ... dirt, gripped together like cats; and for the space of a minute they tugged and tore at each other's hair and clothes, punched and scratched each other's nose, and covered themselves with dust

Ngày tải lên: 24/10/2013, 16:15

... Application Hierarchy 1–6 Using the Tools Summary Matrix 1–9 Using the Tool Summaries 1–11 Learning More About Report Development Tools 1–12 Review 1–13 1 In this chapter you will learn ... Hierarchy to Identify the Tools 1 2 3 4 Read “Using the Application Hierarchy” in chapter 1 Read “Using the Tools Summary Matrix” in chapter 1 See book 1 (chapters 7 through 11) for an overview of reporting ... view of the functionality available with different tools For more information on the tools summary matrix, see page 1–9 you may want toreview the tool summaries(chapters 7 through 11 of book 1) to

Ngày tải lên: 05/11/2013, 12:15

... Route 17 2 .16 .3.0 10 1 011 00 00 010 000 00000 011 00000000 Child Route 17 2 .16 .1. 0 10 1 011 00 00 010 000 000000 01 00000000 Child Route 17 2 .16 .2.0 10 1 011 00 ... up Loopback2 17 2.30.0 .1 YES manual up up Serial0 19 2 .16 8 .1. 2 YES NVRAM up up RouterC# s0 s0 s0 s1 fa0 fa0 fa0 17 2 .16 .1. 0/24 17 2 .16 .2.0/24 17 2 .16 .3.0/24 17 2 .16 .4.0/24 19 2 .16 8 .1. 0/24 .1 .1 .2 .1 .1 .1 .2 17 2 .16 .10 .0/24 ... 00000 011 000 010 10 These 24 bits match! Child Route 17 2 .16 .3.0 10 1 011 00 00 010 000 00000 011 00000000 Child Route 17 2 .16 .1. 0 10 1 011 00 00 010 000 00000001...

Ngày tải lên: 18/03/2014, 14:20

... rights reserved. Cisco Public 11 Select the Appropriate WAN Technology to meet ECNM Requirements  List the various options for connecting subscribers to the WAN © 2006 Cisco Systems, ... Describe how the Cisco Enterprise Composite Model (ECNM) provides integrated services over an Enterprise network.  Describe the key WAN technology concepts.  Identify the appropriate WAN technologies ... requirements for WAN communications. © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 13 Select the Appropriate WAN Technology to meet ECNM Requirements  Describe the circuit switching...

Ngày tải lên: 03/04/2014, 13:52

... columns, the code accessing the column will throw an exception. Dwonloaded from: iDATA.ws Chapter 4 Accessing the Right Data Values 61 3. Locate the try catch statement just after the “Perform the ... This exercise uses the Chapter 4 CSharp” sample project and continues the previous exer- cise in this chapter. 1. Open the source code view for the TableExaminer form. Locate the ActCriteria_Click ... expressionField.Text) This code adds the expression columns to the sample table, passing the column name, the data type from the System namespace, and the field expression. 3. Run the program. On the Add Expression...

Ngày tải lên: 03/10/2013, 00:20

... 'then' 12 21 30 37 45 54 61 71 81 87 97 10 6 11 3 12 0 13 0 13 9 14 9 15 8 °°° XIII Tutorials Organization: Jan van Eijck (CWI Amsterdam/OTS, Utrecht) Monday 19 April ... 10 .00 -10 .30 Coffee Break COMPUTATIONAL SEMANTICS (II) MT/R.EVERSIBILITY 10 .30 -11 .00 11 .00 -11 .30 11 .30 -12 .00 12 .00 -12 .30 A Unification-Based Approach to Multiple VP Ellipsis Resolution ... Coffee Break DATA-ORIENTED METHODS (I) PARSING/COMPLEXITY 11 .00 -11 .30 11 .30 -12 .00 12 .00 -12 .30 Parsing the Wall Street Journal with the Inside-Outside Algorithm Yves Schabes, Michael Roth...

Ngày tải lên: 22/02/2014, 10:20