tài liệu router cisco

... command enables AAA globally in the NAS? A. Router( config)# aaa enable B. Router( config)# aaa new model C. Router( config)# aaa default enable D. Router( config)# aaa authentication login default ... hostname routerB A. The router s hostname and secret key. B. The RSA public key to be used by routerB. C. The symmetric key for IPSec manual mode. D. A pre-shared authentication key for routerB. ... crypto map is implemented on the serial interface of the remote router. Which access list (ACL) line configured on the remote router enables encryption of traffic between workstation B to workstation...

Ngày tải lên: 10/12/2013, 14:16

... Reference: Building Cisco Remote Access Networks (Ciscopress) page 470 Q56. Exhibit: 642-821 http://www.fravo.com 18 Reference: Building Cisco Remote Access Networks (Ciscopress) page ... terminal equipment (DTE) unless it sees the correct LMI (use Cisco& apos;s default to " ;cisco& quot; LMI). Check to make sure the Cisco router is transmitting data. You will most likely need to ... Relay switch is working, but the remote router s connection to the Frame Relay switch is not working. Reference: Building Cisco Remote Access Networks (Ciscopress) page 345 Q53. Which...

Ngày tải lên: 10/12/2013, 16:15

... Cisco s InterSwitch Link (ISL) and 802.1Q VLAN Trunking • Cisco Spanning Tree Enhancements, including UplinkFast and PortFast • Cisco Hot Standby Router Protocol (HSRP) and HSRP Track • Cisco ... group of routers to form a single virtual router. The LAN clients can then be configured with the virtual router as their default gateway. The virtual router, representing a group of routers, ... virtual routers are configured on a router interface, the interface can act as a master for one virtual router and as a backup for one or more virtual routers. Reference: http://www .cisco. com/en/US/products/sw/iosswrel/ps1612/products_feature_guide09186a008008 0a60.html...

Ngày tải lên: 10/12/2013, 16:15

... of a 400+ site LAN/WAN implementing TCP/IP, Frame Relay, 3COM hubs, Cisco Catalyst 1900 series switches, and Cisco 2500 series routers. He has also worked on proof of concept and certification of ... loopback interface on your router with an assigned IP address and a /32 mask.The router will accept this address and mask because it knows that the loopback is a logical interface and only the router can "connect" ... Behavior (PHB) 163 Best Practice Network Design 165 Expanding QoS: Cisco Content Networking 168 Application Aware Classification: Cisco NBAR 169 HTTP Classification 169 Citrix Classification 170 Supported...

Ngày tải lên: 10/12/2013, 16:15

Ngày tải lên: 11/12/2013, 03:15

Ngày tải lên: 11/12/2013, 03:15

... hops away through Router 2. Router 1 is notified that Router 2 knows how to get to the 10.10.0.0 net- work and thus begins routing packets destined for the 10.10.0.0 network to Router 2. Router 3 continues ... unreachable. To enable RIPv1 on a Cisco router, you use the following command at the global configuration prompt. Router1 (config) #router rip Once you have enabled the router for RIP configuration, the ... 10.10.0.0 network is through Router 2, with a hop count of two. Router 1 receives the update from Router 2 and recalculates its distance from the network as a hop count of two. Routers 1, 2, and 3 all...

Ngày tải lên: 12/12/2013, 09:16

... transmission on a noisy circuit Physical Topologies and Cisco Routers So what role does the physical topology play in deploying your Cisco routers? You need to determine up front what kind of physical ... example, let’s say you decide to use fiber optic cables to connect your Cisco router in order to support long cable runs. Cisco routers support two types of fiber optic connectors: SMA and FDDI. An ... the router on Fritz’s machine so that it would no longer have to transmit an ARP request when looking for this device. The only problem would occur if the router s MAC address changed. If the router...

Ngày tải lên: 12/12/2013, 11:16

... network security has to be balanced with the need for connectivity. Printer Switch Switch Router Voice Router Unified Communications Manager IP Phone Print Server Network Storage IP PC PC Exploring ... include both input devices, such as cameras, and output devices, such as printers. SSH SwitchX RouterX Main Router ISP Remote Class Fa0/1 Con 0 Con 0 Fa0/12 Fa0/0 Fa0/1 Fa0/11 S0/0/0 192.168.1.0/24 172.31.241.254 VPN TFTP Fa0/2 6 ... attachment to the end systems and intelligent switching of the data within the local network. ■ Routers: Routers interconnect networks and choose the best paths between networks. Interpreting a Network...

Ngày tải lên: 13/12/2013, 05:15

... Addressing Scheme 270 Starting a Cisco Router 271 Initial Startup of a Cisco Router 271 Initial Setup of a Cisco Router 272 Logging In to the Cisco Router 279 Showing the Router Initial Startup Status ... a Cisco Router from the CLI 285 Configuring Cisco Router Interfaces 287 Configuring the Cisco Router IP Address 288 Verifying the Interface Configuration 289 Summary of Configuring a Cisco Router ... Understanding Cisco Router Security 308 Using the Cisco SDM 309 Cisco SDM Overview 309 Configuring Your Router to Support Cisco SDM 311 Start Cisco SDM 312 More Link 314 Configuration Overview 314 Cisco...

Ngày tải lên: 13/12/2013, 05:15

... Applications Through Cisco Products 27 Cisco VPN Routers Cisco VPN routers are the best choice for constructing intranet or extranet site-to-site VPNs. These routers use Cisco IOS Software and ... switching packets, which is the routers’ primary function. These VPN routers offer the full range of VPN protocols and services. Table 2-3 shows some of the Cisco routers that are available for ... would most likely be applied. Table 2-3 Cisco VPN Routers Site Model VPN Performance Features SOHO Remote access VPN Extranet VPN Cisco 827H ADSL Router 384 kbps Up to 50 tunnels Fixed configuration Integrated...

Ngày tải lên: 13/12/2013, 05:15

... Processor Hub NetRanger Intrusion Detection System Cisco 7500 Series Router Access Server CiscoSecure Scanner Cisco Directory Server Cisco CallManager Local Director IP/TV Broadcast Server Switch Router PIX Firewall Multilayer ... 99 Cisco Secure VPN Concentrators: Comparison and Features 100 Cisco VPN 3005 Concentrator 101 Cisco VPN 3015 Concentrator 102 Cisco VPN 3030 Concentrator 103 Cisco VPN 3060 Concentrator 104 Cisco ... Concentrator 104 Cisco VPN 3000 Concentrator Series LED Indicators 105 Cisco Secure VPN Client Features 108 Cisco VPN 3002 Hardware Client 108 Cisco VPN Client 109 Table of Cisco VPN 3000 Concentrators...

Ngày tải lên: 13/12/2013, 05:15

... configuration prompt on the router that you want to configure. Router1 (config) #router igrp autonomous-system-number Here is an example. Router1 (config) #router igrp 1 This command enables IGRP on the router and advances ... unreachable. To enable RIPv1 on a Cisco router, you use the following command at the global configuration prompt. Router1 (config) #router rip Once you have enabled the router for RIP configuration, the ... this. Router1 (config -router) #network network-number Here is an example. Router1 (config -router) #network 10.0.0.0 Router1 (config -router) #network 20.0.0.0 After you have enabled RIP on all the networks...

Ngày tải lên: 17/12/2013, 10:15

... interfaces. Router A is able to see routers from both Router B and Router C, but Router B and Router C cannot see routers from each other. Which could be causing this problem? A. Router A ... ping from a Cisco router to a Novell server there is no response. What is a possible cause? A. Novell Servers never responds to IPX pings. This only works between Cisco Routers. B. Cisco IPX ... Given the OSPF network shown above, packets from Router 2 to Router 4 will: A. Always go through Router 1. B. Alternate between Router 1 and Router 3 if the costs are equal. C. Choose a path...

Ngày tải lên: 21/12/2013, 05:17

... resources access by configuring SAP filters A. On all routers. B. On access-layer routers. C. On distribution-layer routers. D. On core-layer routers. Answer: C QUESTION 2 What does NetBIOS ... - The Power of Knowing QUESTION 85 What are the various classes of OSPF routers? A. Internal router B. Backbone router C. ASBR D. ABR Answer: A, B, C, D QUESTION 86 In Novell IPX networks, ... interfaces on a Cisco router. B. Can be done by using Enhanced IGRP instead of IPX RIP. C. Cannot be done. D. Has no effect on network performance. Answer: A Explanation: Per the Cisco Internet...

Ngày tải lên: 21/12/2013, 05:17

Ngày tải lên: 21/12/2013, 05:18

Ngày tải lên: 21/12/2013, 05:18

Ngày tải lên: 21/12/2013, 06:16

Ngày tải lên: 21/12/2013, 06:16

Ngày tải lên: 21/12/2013, 06:19