Accessing the WAN, CCNA Exploration Companion Guide in Java Draw barcode 39 in Java Accessing the WAN, CCNA Exploration Companion Guide

Accessing the WAN, CCNA Exploration Companion Guide generate, create barcode 3 of 9 none on java projects RFID Figure 3-34 Network Topology for Question 17 interface s0/0/1 ip address 10.1.1.

1 255.255.255.

252 encapsulation frame-relay bandwidth 64 Lo0 209.165.200.

225/27 R2 R1 S0/0/1 10.1.1.

2/30 ISP. DL CI 10 2. DL CI 20 1 S0/0/1 R1 DCE S0/0/0 DCE S0/0/1. FR Switch The following configuration is for router R1:. interface s0/0/1 ip address encapsulation frame-relay bandwidth 64 What command on R1 is requir ed to statically configure a Frame Relay connection to R2 Traffic between sites must also support OSPF.. 18. Compare and contrast the Code-39 for Java following terms: access rate, CIR, CBIR, and BE. 19.

Refer to Figure 3-35 and the following configuration. R1 cannot establish connectivity. with the routers over the Frame Relay cloud. What are the problems with this configuration 3: Frame Relay Figure 3-35 Network Topology for Question 19 R2 R1 S0/0/0.201 10.1.

1.2/30 S0/0/ 0.203 10.


2 CI DL CI 2 Frame Relay 3 CI DL S0/0/0.102 10.1.

1.1/30 S0/0/ Code 39 for Java 0.103 10.


DLCI 103 DLCI 301 S0/0/0.302 10.2.

2.2/30 S0/0/ jdk Code39 0.302 10.


hostname R1 interface s/0/0/ 1 encapsulation frame-relay ! interface s/0/0/1.201 point-to-point ip address 10.1.

1.1 255.255.

255.0 frame-relay interface-dlci 201 ! interface s/0/0/1.301 point-to-point ip address 10.

3.3.31 255.

255.255.0 frame-relay interface-dlci 301.

hostname R1 interface s0/0/1 awt Code 39 Extended encapsulation frame-relay ! interface s0/0/1.201 point-to-point ip address 10.1.

1.1 255.255.

255.0 frame-relay interface-dlci 201 ! interface s0/0/1.301 point-to-point ip address 10.

3.3.1 255.

255.255.0 frame-relay interface-dlci 301 !.

Accessing the WAN, CCNA Exploration Companion Guide Challenge Questions and Activities 1. Refer to Figure 3-36. Routers R2 and R3 both have Frame Relay connections to the R1 router. R1 is acting as the barcode 39 for Java hub router in this hub-and-spoke topology. R2 is using Inverse ARP to map its DLCI with R1 s network address.

. Figure 3-36 Network Topology for Challenge Question 1 R1 R1 172.16.1.

1/24. Frame Relay DLCI 102 R2 R3 To reach R3, the network adm inistrator configured the following static map on R2:. frame-relay map ip 102 This seems to work, giving R 2 reachability to both R1 and R3 (assuming that R3 has also been appropriately configured). However, when the router is reloaded (the running-config was saved to the startup config), R2 can no longer reach R1. The show frame-relay map command on R2 shows only the static map to R3; it no longer shows the dynamic Inverse ARP map to R1.

What happened What would be the solution . To Learn More Here are some suggested book s for further reading on Frame Relay:. Cisco Frame Relay Solutions USS Code 39 for Java Guide by Jonathan Chin (Cisco Press, 2004) Frame Relay: Technology and Practice by Jeff T. Buckwalter (Addison-Wesley Professional, 1999). Network Security Objectives After completing this chapte r, you should be able to answer the following questions:. What are common security thr j2ee barcode 3/9 eats to enterprise networks What are some methods to mitigate security threats to enterprise networks How do you configure basic router security . How do you disable unused ro uter services and interfaces How do you use the Cisco SDM one-step lockdown feature How do you manage files and software images with the Cisco IOS Integrated File System (IFS) . Key Terms This chapter uses the follow ing key terms. You can find the definitions in the glossary at the end of the book. security policy page 190 white hat page 191 hacker page 192 black hat page 192 cracker page 192 spammer page 192 denial-of-service (DoS) attacks Distributed DoS (DDoS) attacks worm page 217 virus page 218 page 219 page 223 page 212 page 214.

Trojan horse intrusion prevention systems (IPS) Network Security Wheel TFTP server page 207 passphrases page 234 page 236 page 226. phisher page 192 bots page 194 community strings protocol analyzer encryption decryption page 207 password recovery page 239 Secure Shell (SSH) page 242 page 207 page 208 AutoSecure page 263 Cisco Ro uter and Security Device Manager (SDM) page 264 one-step lockdown wizard configuration register page 272. demilitarized zone (DMZ) pag barcode code39 for Java e 210 intrusion detection system (IDS) page 210 man-in-the-middle (MITM) page 211. page 298 Accessing the WAN, CCNA Exploration Companion Guide Security has moved to the fo refront of network management and implementation. The overall security challenge is to find a balance between two important requirements: the need to open networks to support evolving business opportunities, and the need to protect private, personal, and strategic business information. Applying an effective security policy is the most important step that an organization can take to protect its network.

This policy provides guidelines about the activities to be carried out and the resources to be used to secure an organization s network. Layer 2 security is not discussed in this chapter. For information about Layer 2 LAN security measures, refer to the Exploration: LAN Switching and Wireless course.

. Introduction to Network Security Computer networks have grown in both size and importance in a very short time. This growth has pushed the requirement to secure networks..

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