Accessing the WAN – Chapter 1 ppt

... 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 ... as Frame Relay. –However, there are times when the benefits outweigh the cost of the leased line. The dedicated capacity removes latency or jitter between the endpoints....

Ngày tải lên: 05/07/2014, 03:20

... 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 ... 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 import dis...

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 Nano...

Ngày tải lên: 18/06/2014, 22:20

... ITE 1 Chapter 6 5 Serial Communication Standards  In a serial communication process. –Data is encapsulated by the sending router. The frame is sent on a physical medium to the WAN. –There ... Cisco Public ITE 1 Chapter 6 17 WAN Encapsulation Protocols  On WAN connection, data is encapsulated into frames before crossing the WAN link. The protocol depends on...

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 ... LANs –A router 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 ne...

Ngày tải lên: 05/07/2014, 03:20

... information –Bots within the organization –Theft of customer or employee data –Abuse of wireless network –System penetration –Financial fraud –Password sniffing –Key logging –Website defacement ... –Insider abuse of network access –Virus –Mobile device theft –Phishing where an organization is fraudulently represented as the sender –Instant messaging misuse –Denial of...

Ngày tải lên: 05/07/2014, 03:20

... 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)# access-list 10 permit 19 2 .16 8 .18 .0 0.0.0.255 ... 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...

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...

Ngày tải lên: 05/07/2014, 03:20

... ITE 1 Chapter 6 12 General Troubleshooting Procedures  The stages of the general troubleshooting process are: –Stage 1 Gather symptoms - Troubleshooting begins with the process of gathering ... 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...

Ngày tải lên: 05/07/2014, 03:20

... 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 th...

Ngày tải lên: 03/07/2014, 09:20