cisco ccna security book

Cisco CCNA Chapter 2 answers for the third semester, Cisco ccna for the third semester 1. Which command line interface (CLI) mode allows users to configure switch parameters such as host name and password? User Execution Mode Privileged Execution Mode Global Configuratio

Because the study of the major is computer network technology, but in school, and did not learn how much network knowledge, so in order to be worthy of the professional, in 06, when working in the Galaxy education in hit a CCNA class, two weeks of the course, a few hours a day.The result is still not learned, because there is too much theory, too little real exercise.So I bought a book, repeatedly see, the

Tags: Cisco CCNA router Password managementfor device security, the device administrator typically sets the user name and password for the device. Here's how to configure 3 passwords, with emphasis in the middle.Username Test password Cisco//This is to set up a layer of accounts and passwordsEnable password 123// This

control. 2, the message carries the mask information, supports the route aggregation and the CIDR(classless inter-domain Routing, the non-class inter-domain route). 3, support to specify the next hop, on the broadcast network can choose to the best next-hop address. 4, support multicast routing to send update messages, reduce resource consumption. 5,support the verification of protocol messages, and provide clear-text verification and MD5 verification of two ways to enhance

future command input. If you do not know the complete command, you can use the tab key to complete the query after each abbreviation. 5. Configure the host name to easily identify the console when controlling multiple devices. Router (config) # h Slyar-Router1 (hostname XXX, set host name)Slyar-Router1 (config )# 5. Configure the privileged mode password. Only the encrypted mode is recommended. Security is the first. Slyar-Router1> en (enable, in pri

Tags: cisco CCNA VLANVLANthe Chinese name is"Virtual local Area network". is a set of logical devices and users, these devices and users are not subject to physical location constraints, can be based on functions, departments and applications and other factors to organize them, communication with each other as if they are in the same network segment, hence the name of the virtual local area network. VLANwor

Tags: Cisco CCNA device Basic Configuration1. Define a host name for the routerrouter>enable \ \ Enter Privileged modeRouter#configure terminal \ \ Enter global configuration modeRouter (config) #hostname R1 \ \ Change the router nameR1 (config) #The default router name is "Router", which can be used to differentiate the device from the network for easy management.2. Turn off Domain name resolutionR1 (confi

Cisco CCNA Chapter 3 answers Recently I have prepared cisco's semester exam and sorted out the exam answers. 1 2 What are the two forms of application layer software? (Select two items) Applications Dialog Request Service Syntax 3 The Network Administrator is designing a network for a new bran

: On the emulator, you cannot use the show port-security command on a layer 3 switchPC Settings 192.168.1.2//pc0192.168.1.3//pc1192.168.1.4//pc2192.168.1.5//pc3//Subnet mask and gateway 255.255.255.0 192.168.1.1PC (Command prompt cmd) ipconfig//view MAC address of 4 PCs separatelySwitch0 configuration switch>enswitch#conf tswitch (config) #inter rang f0/1-22switch (config-if-range) #switchport mode access/ /configuration port for access type switch (c

uniform set of rules that are determined by the needs of the project and the organization, rather than simply using the familiar approach of the programmer. Once determined, these criteria can be used as indicators for evaluating source code (using manual or automated processes). cert Coding rules are widely adopted in the industry. At the Cisco annual SECCON meeting in October 2011, Cisco Systems announce