... Cisco Public ITE 1Chapter 6 12 Cisco Thai Nguyen Networking Academy WAN Physical Layer Standards TheWAN physical layer also describes the interface between the DTE and the DCE. –EIA/TIA-232 ... rights reserved. Cisco Public ITE 1Chapter 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...
... –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 theWAN – Chapter 2 Cisco Thai Nguyen Networking Academy â 2006 Cisco Systems, Inc. All rights reserved. Cisco Public ITE 1Chapter ... 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...
... 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 1Chapter 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...
... reserved. Cisco Public ITE 1Chapter 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 1Chapter 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...
... correlation with time and space. 17 The processesaffecting aerosol behavior are summarized in the Table 1.1 and Figure 1. 2. The entire process canthen be expressed by the General Dynamics Equation ... The correlations increased as particle size decreased; moreover, the finer the particles, the greater the mutagenicity (Figure 1. 7). Therefore, the PM -10 concentrations do not appear to be representativeof ... 30, 319 7, 19 96.84. Sabbioni, C., Contribution of atmospheric deposition to the formation of damage layers, Sci. TotalEnviron., 16 7, 49, 19 95.L829/frame/ch 01 Page 21 Monday, January 31, 2000...