mcse vs ccna

ICMP Echos to 192.168.20.1, timeout is 2 seconds: .!!!! Success rate is 80 percent (4/5), round-trip min/avg/max = 24/48/84 MS From the above, we can see that through the deployment of layer-3 switching technology, the host between VLANs can communicate with each other. This experiment is complete. [PL1]Disable layer-3 routing to simulate hosts. [PL2]Define the default gateway. [PL3]Enable the layer-3 routing function. By default, the layer-3 Switch disables the routing function. To enable int

This section lets us learn the next Frame RelayFrame Relay in CCNA's exams and daily work are seldom useful, but we still want to know, it is after all a CCNA in the focus.Frame Relay (Frames relay)Also referred to as FRFrame Relay is an important WAN technology, its main function is to connect two or more long-distance LAN. Frame Relay is mainly a packet switching technology, usually we just want to know how to connect LAN through Frame Relay and lon

CCNA Study Notes (ii)--Initial knowledge of Cisco devicesIn the previous chapter we recognized the fundamentals of networking, and now we are formally exposed to Cisco devices.1, first we first understand the main components of a Cisco device:ROM (read-only memory): mainly save the post software, save the router boot boot program.RAM (random memory): loss of data, can store configuration files. >>> equivalent to PC memoryNVRAM (non-volatile memory): p

Application Control Policy AppLockerFirst, what is AppLocker?AppLocker is a new feature in Windows Server R2 and Windows 7, and is a new system management tool for overriding software restriction policy features. The features and functionality of

Storage space (Storage Spaces)First, storage space OverviewYou can use storage space technology to virtualize storage by grouping them into storage pools using SATA, USB, and SAS drives, and then create virtual disks called storage spaces from

Configure the Windows Server R2 working folder for BYOD synchronizationThe working folder is a new feature in Windows Server R2 that allows users to synchronize work data across multiple devices. Working folders enable IT administrators to provide

Routing protocols are used for router selection paths and for managing routing tables, which support routable protocols by sharing routing information between routers. Routing information is passed between neighboring routers to ensure that all

Enter "? The Show all HelpEnter the command? The show full command wordEnter the command? "Show command-available parameter informationPress "TABLE" to complete the command all wordsPress "up or down" to show used commandsPress "CTRL + Z" to leave

CDP protocol: Cisco Discovery ProtocolShow CDPShow CPD Neighbors: see which Cisco devices are connected to the current deviceCDP timer: Modify send interval timeCDP Holdtime: Modify retention timeCDP advertise-2: Modify version numberDebug CDP

Network devices (routers, switches, firewalls, and so on) require an operating system as well as computers. Network devices use a dedicated operating system, collectively known as iOS (Internetwork Operating system, network operating system).(1)

Seven-layer protocol and related instructionsPhysical layer Device: hub, Repeater, encoder-decoder, transmission media connectorHubs connect devices that share the same bandwidth in the same conflict domain, the same broadcast domain.Data Link Layer:

VswitchThe following figure shows the instance topology configuration: Basic vswitch Configuration Switch> enable  Switch# config ter   Switch(config)# hostname Switch  Switch(config)# interface vlan 1   Switch(config-if)# ip address 192.16

Clock Configuration 650) this. width = 650; "src =" http://www.bkjia.com/uploads/allimg/131227/0454301F6-0.png "title =" 1.png"/> 1. Configure vroa A (assuming vroa A is the DCE end of the serial line) Router> en Router # conf t Router (config) #

Dynamic Route RIP RIP broadcasts UDP packets to exchange route information and sends route information updates every 30 seconds. The maximum number of hops supported by RIP is 15. The experiment has been verified, but the topology is

[Lab environment] Cisco Packet Tracer 5.3.2 [PURPOSE] Do not describe the basic commands of Cisco IOS too much. Focus on learning Common Cisco IOS skills to improve the efficiency of subsequent experiments. [Experiment topology] Lab procedure] 1.

[Lab environment] Cisco Packet Tracer 5.3.2 [PURPOSE] Exercise configuring vswitch remote telnet Management [Experiment topology] Lab procedure] 1. Connect the device by topology. The router only configures the interface IP address, without

[Lab environment] GNS3 (Because Packet Tracer does not support DHCP-related commands, the GNS3 Simulator Based on the cisco ios image file can also be used on a real machine) [PURPOSE] Exercise configuring the DHCP service on a Cisco router to

[Lab environment] Cisco Packet Tracer 5.3.2 [PURPOSE] I will not describe the basic commands of Cisco IOS too much. I will focus on some common Cisco IOS skills to improve the efficiency of subsequent experiments. [Experiment topology] Lab

[Lab environment] Cisco Packet Tracer 5.3.2 [PURPOSE] Exercise the use of the ip default-network command to declare the default route in the network routing protocol. [Experiment topology] [Lab description] Vrogw GW and ISP refer to the default

1, backup configuration to TFTP2, from TFTP COPY to run3. Back up iOS4. Upgrade iOS5, if the upgrade fails the workaroundOne, backup restore configuration1, to ensure that the router and computer (TFTP server) network IP (direct connection, same