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Ccie lab dumps From 1 to 5, how to face 5G and its challenges (2) Second, 5G has four important features 5G has four important features: high speed, ubiquitous network, low power consumption, low latency. I will talk about these four characteristics today.ccie lab dumps 1. high speed We can clearly feel that when I 3G, I took a mobile phone to download a picture, and the 2M picture could not be downloaded for a long time.ccie lab dumps.When it comes to 4G, not only can it be second, but there is also a big change:For example, if you open a video with WeChat, it will start playing automatically when you open it, and 3G will not play automatically.4G doesn't matter, just play it, what changes will happen in the 5G era? VR used to be particularly hot, but why can't VR do it? Because with VR, the experience is very slow, the effect is very poor, and it will be dizzy after a while. Because VR requires at least 157M speed, and now 4G speed can not reach. 2,ubiquitous network Ubi...

Ccie lab dumps From 1 to 5, how to face 5G and its challenges First, the evolutionary history from 1G to 5G The first generation network (1G) introduced analog mobile voice services, by granting spectrum (installing base stations, providing mobile network access to users through dedicated radio spectrum) and frequency reuse(real-time connection of multiple base stations allows users to make voice calls without interference while they are on the move) then a seamless wireless connection is established.ccie lab dumps.Despite the revolutionary 1G, the capacity of analog transmissions is limited in terms of spectral efficiency, and the scalability of using analog devices (large, expensive, low performance) is limited.ccie lab dumps The first generation of networks 2G, the GSM standard (2G), evolved from analog transmission to digital transmission, and implemented more capacity using the TDMA method, as well as supporting roaming between different networks.GSM provides a web platform...

Cisco certification group  Does your Cloud Access Security Agent support IPv6? Whether you know it or not, companies use IPv6 for many of their Internet connections, which means that CASB should also support the protocol to enforce policies for all customer traffic.The following is the way the main CASB is stacked. Cisco certification cost The Cloud Access Security Agent (CASB) inserts security between the enterprise and its cloud services by providing visibility and access control, but IPv6 can lead to dangerous blind spots. This is because CASB may not support IPv6, and it may be widely used in enterprises even in enterprises that choose IPv4 as the preferred protocol. For example, end-users working remotely have a much greater chance of connecting over IPv6 than they are in the office.Mobile providers share a high percentage of IPv6 connected users, and broadband residential Internet users often have IPv6 connectivity without realizing it.Cisco certification cost. B...

Ccie lab exam  SNMP protocol basic configuration With the increasing scale of the network, the number of devices in the existing networks is increasing.When these devices fail, the device cannot report faults and the network administrator cannot locate and rectify the faults in time. As a result, the network maintenance efficiency is reduced and the maintenance workload is greatly increased.In order to solve this problem, the device manufacturer has already provided network management functions in some devices, so that the network management can remotely check the statu...

CCIE EXAM DUMPS Three minutes to learn the practical application of ICMP protocol ICMP is the Internet Control Message Protocol . It is a sub-protocol of the TCP/IP protocol suite for passing control messages between IP hosts and routers.Control message refers to the network itself, such as the network is unreachable, the host is reachable, and the route is available.Although these control messages do not transmit user data, they play an important role in the transmission of user data. ICMP protocol format: From a technical point of view, ICMP is a "error detection and reward mechanism".ccie exam dumps.Its purpose is to enable us to detect the connection status of the network and ensure the accuracy of the connection. Its functions are mainly:  Detect if the remote host exists. Establish and maintain routing data. Redirect the data transfer path (ICMP redirection). One application of ICMP is Ping. Ping is a common tool for detecting network connectivity and is a...

Ccie lab dumps SD-WAN and SDN differences Software Defined Network (SDN) is a new type of network architecture that implements separate network control and forwarding to form a logically centralized unified controller.In turn, the software programmable interface is opened on the controller for service call, and the purpose of flexible configuration of the network is achieved.In the cloud computing data center, ccie lab dumps.providing virtual resource services is its most important technical realization, and the network is also provided as a service to customers.The network needs to provide dynamic, on-demand, isolated network environment and custom network service chain connection services for different users and applications. These are the traditional network architectures that cannot be met, and SDN was born because of this.ccie lab dumps Although SDN was not born for a long time, it has been greatly developed. SDN-related startups have sprung up, and traditional network equipment ...

Ccie exam dumps GLBP gateway load balancing protocol principle GLBP( the Gateway Load Balancing Protocol), is Cisco's proprietary protocol.LBP not only provides redundant gateways, but also provides load balancing between gateways.He compensates for the limitations of existing redundant router protocols. Ccie exam dumps.The goal of designing GLBP is to automatically select and use multiple available gateways simultaneously.Unlike HSRP and VRRP, G LBP can make full use of resources without having to configure multiple groups and manage multiple default gateway configurations. Up to 4 routers in the GLBP group can be used as the IP default gateway. These gateways are called AVF (Active Virtual Forwarder).ccie exam dumps.GLBP automatically manages the allocation of virtual MAC addresses and decides who is responsible for handling the forwarding work (this is the key to distinguishing between HSRP and VRRP, which has a virtual IP in GLBP but correspo...