accessing the wan chapter 1 ppt

... Cisco Public ITE 1 Chapter 6 12 Cisco Thai Nguyen Networking Academy WAN Physical Layer Standards  The WAN physical layer also describes the interface between the DTE and the DCE. –EIA/TIA-232 ... rights reserved. Cisco Public ITE 1 Chapter 6 43 Cisco Thai Nguyen Networking Academy Choosing a WAN Link Connection  What is the purpose of the WAN? –Do you want to connect local branches, ... modulates the binary data into an analog signal at the source and demodulates the analog signal to binary data at the destination. The physical characteristics of the local loop to the PSTN...

Ngày tải lên: 05/07/2014, 03:20

... SDSL and IDSL types).  The data rate that DSL service can provide depends on the distance between the subscriber and the CO. The shorter the distance: the higher the bandwidth available. ... connectivity through the residence. – Since the POTS splitter separates the ADSL and voice signals at the NID, there is usually only one ADSL outlet available in the house. – The user can install ... Systems, Inc. All rights reserved. Cisco Public ITE 1 Chapter 6 11 What is a Cable System?  John Walson the founder of the cable television. –He was the first cable operator to use microwave to...

Ngày tải lên: 05/07/2014, 03:20

... 2007 19 97 19 98 19 99 2000 20 01 2002 2003 2004 2005 2006 2007 14 00 12 00 10 00 800 600 400 200 0 Articles in Academic Journals 14 0 12 0 10 0 80 60 40 20 0 Articles in News Magazines FIGURE 1. 1 Articles ... http:// www.nanoworld.jp/apnw/articles/library4/pdf/4-6.pdf. (Accessed June 29, 2007) 6 019 8.indb 10 6 /12 /08 1: 31: 43 PM © 2009 by Taylor & Francis Group, LLC Nanotechnology and the Environment 6 019 8.indb 1 6 /12 /08 1: 31: 28 PM © 2009 by Taylor & ... ã ã ã ã ã 6 019 8.indb 3 6 /12 /08 1: 31: 31 PM © 2009 by Taylor & Francis Group, LLC v Contents Acknowledgments vii About the Authors ix Chapter 1 Introduction 1 Kathleen Sellers Chapter 2 Nanoscale...

Ngày tải lên: 18/06/2014, 22:20

... –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 ... Public ITE I Chapter 6 1 Point-to-Point Protocol Accessing the WAN – Chapter 2 Cisco Thai Nguyen Networking Academy â 2006 Cisco Systems, Inc. All rights reserved. Cisco Public ITE 1 Chapter ... request requires no authentication, then PPP progresses to the next level. –If an incoming PPP request requires authentication, then it can be authenticated using either the local database...

Ngày tải lên: 05/07/2014, 03:20

... Frame Relay  Step 1. Setting the IP Address on the Interface –R1 has been assigned 10 .1. 1 .1/ 24, –R2 has been assigned 10 .1. 1.2/24.  Step 2. Configuring Encapsulation The encapsulation frame-relay ... DLCI. Use the show frame-relay map command to display the current map entries and information about the connections. The output shows the following information: 10 .14 0 .1. 1 is the IP address ... Public ITE 1 Chapter 6 11 Cost Benefits of Multiple VCs  More savings arise as the capacity of the access line is based on the average bandwidth requirement of the VCs, rather than on the maximum...

Ngày tải lên: 05/07/2014, 03:20

... reserved. Cisco Public ITE 1 Chapter 6 28 The Network Security Wheel  The security policy is the four steps of Security Wheel.  Step 1: Secure –Secure the network by applying the security policy ... the entire audience in a large organization. Cisco Thai Nguyen Networking Academy â 2006 Cisco Systems, Inc. All rights reserved. Cisco Public ITE 1 Chapter 6 11 Threats to Networks There ... of these groups differently. –Each group should only be shown the portion of the policy appropriate to their work and level of access to the network. –One document is not likely to meet the...

Ngày tải lên: 05/07/2014, 03:20

... if you wanted to match network 19 2 .16 8 .16 .0 to 19 2 .16 8. 31. 0 : – R1(config)# access-list 10 permit 19 2 .16 8 .16 .0 0.0.0.255 – R1(config)# access-list 10 permit 19 2 .16 8 .17 .0 0.0.0.255 – R1(config)# ... 10 permit 19 2 .16 8 .18 .0 0.0.0.255 – R1(config)# access-list 10 permit 19 2 .16 8 .19 .0 0.0.0.255 – R1(config)# access-list 10 permit 19 2 .16 8.20.0 0.0.0.255 – R1(config)# access-list 10 permit 19 2 .16 8. 21. 0 ... permit 19 2 .16 8. 21. 0 0.0.0.255 – R1(config)# access-list 10 permit 19 2 .16 8.22.0 0.0.0.255 – R1(config)# access-list 10 permit 19 2 .16 8.23.0 0.0.0.255 – R1(config)# access-list 10 permit 19 2 .16 8.24.0...

Ngày tải lên: 05/07/2014, 03:20

... Cisco Public ITE 1 Chapter 6 18 DHCP Configuration with SDM The Add DHCP Pool window contains the options you need to configure the DHCP IP address pool. The IP addresses that the DHCP server ... using broadcast messages. In the figure, PC1 is attempting to acquire an IP address from the DHCP server located at 19 2 .16 8 .11 .5. In this scenario router R1 is not configured as a DHCP ... clients. The problem is that the network clients typically are not on the same subnet as those servers. Therefore, the clients must locate the servers to receive services and often these services...

Ngày tải lên: 05/07/2014, 03:20

... with the hubs of the stars linked to form the region. ãinterconnect the regions to form the core of the WAN. – Regions could be geographic, connecting between three and 10 areas, and the hub ... I Chapter 6 1 Network Troubleshooting Accessing the WAN – Chapter 8 Cisco Thai Nguyen Networking Academy â 2006 Cisco Systems, Inc. All rights reserved. Cisco Public ITE 1 Chapter 6 13 ... ITE 1 Chapter 6 32 Common WAN Implementation Issues  The figure summarizes the common WAN implement issues and the questions you need to answer before you can effectively implement a WAN. ...

Ngày tải lên: 05/07/2014, 03:20

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Ngày tải lên: 12/08/2014, 00:21

... overwhelmed by the bitter flow of that sinister philosophy which is the religion of the captive. “So much, then, for the flowers, the air, the daylight, and the stars,” tranquilly continued the young ... returned to the shutter, and saw my tutor and Dame Perronnette go out together. I was alone in the house. They had hardly closed the gate before I sprang from the window and ran to the well. Then, ... to learn whether Baisemeaux and the turnkey had retired; but as soon as he was assured by the dying sound of their footsteps that they had left the tower, he put the lantern on the table and...

Ngày tải lên: 03/07/2014, 09:20

... Tadminster might open it the first day, and Mrs. Crosbie the second. Then there's the Duchess about the school fete." There was the murmur of a man's voice, and then Mrs. Inglethorp's ... voice to a The Mysterious Affair at Styles AGATHA CHRISTIE CHAPTER 1 I go to Styles The intense interest aroused in the public by what was known at the time as " ;The Styles Case" ... Howard." He took the path through the plantation, and we walked down to the village through the woods which bordered one side of the estate. As we passed through one of the gates on our way...

Ngày tải lên: 05/07/2014, 18:20

... kcal 21. 5% 13 .2% 13 .0% 19 .7% Protein 37 g 38.4 26.3 76.3 18 .1 Calcium 1 g 4.0 5.0 35.5 18 .6 Phosphorus 1 g 43.8 54.6 69.5 31. 4 Magnesium 400 mg 10 4.2 57.8 13 .5 7.5 Iron 18 mg 41. 7 10 .6 19 7.2 ... mg 680.0 70.0 12 0.0 70.0 Zinc 15 mg – – 15 3.3 15 8.0 Thiamine 1. 5 mg 8.7 – 244.7 2 01. 3 Riboflavin 1. 7 mg 67.4 – 11 2.2 13 1.7 Niacin 20 mg 47.7 – 26.0 38.9 Fig. 1. 2 A mature larva of the palm weevil, ... wood, and fungus (Chapter 9), aquatic filter feeding and grazing (Chapter 10 ), herbivory (= phyto- phagy), including sap feeding (Chapter 11 ), and pre- dation and parasitism (Chapter 13 ). Insects may...

Ngày tải lên: 06/07/2014, 22:20

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