Hello, C ++ (20). 4.2.2 represents the switch statement selected by the parallel condition: if ...... If ...... If ......,. 4.2.24.2.2 expression of the switch statement selected by the parallel condition: if ...... If ...... If ......
In the real world, there are also such special conditions:
If tomorrow is Sunny, I will wear a T-shirt;
If tomorrow is cloudy, I will wear a shirt;
If it is rainy tomorrow, I
Lan exchange technology can also be called layer-2 Switch Exchange Technology, the content mainly includes the working principle of Layer 2 switching, network loops, and how to use the Spanning-Tree Protocol to solve Network loops, VLANs, and VTP technologies, this article mainly introduces the working principle of L2 switches and the dangers of network loops. Other content will be introduced later. We all know that the traditional shared Ethernet use
4.2.2 The switch statement that expresses the side-by-side condition selection: If ... If...... If......
In the real world, there is a special kind of conditional choice:
If it is sunny tomorrow, I will wear a T-shirt;
If it is cloudy tomorrow, I will wear a shirt;
If it is rainy tomorrow, I will wear a coat.
This is a conditional choice because it performs different actions according to different circ
4.2.2 The switch statement that expresses the side-by-side condition selection: If ... If...... If......In the real world, there is a special kind of conditional choice:If it is sunny tomorrow, I will wear a T-shirt;If it is cloudy tomorrow, I will wear a shirt;If it is rainy tomorrow, I will wear a coat.This is a conditional choice because it performs different actions according to different circumstances, and it is special because these different co
With the further construction of China's information network, the further improvement of network quality, high-speed, high-performance Ethernet switch will become the mainstream of network product development. switch is an essential equipment for the network of large and medium sized enterprises, it plays a very important role in network construction, it can increase network capacity and improve network s
This digest is from http://www.pconline.com.cn/pcjob/ittest/network/0312/258919.htmlOther literature http://www.jztop.com/s/jiaohjjs/
Comparison of three-layer switch and router
In order to meet the challenge of deepening the network application, the network has been developing rapidly in both scale and speed, the speed of LAN has been improved from the initial 10mbit/s to the 100mbit/s, and the Gigabit Ethernet technology has been widely used at pres
1. Enter the global configuration mode.
Select Switch-3548> enablePassword :********Change-3548 # config tChange-3548 (config )#
2. Enable the HTTP Server of the vswitch
Switch-3548 (config) # ip http server
3. Configure the Host Name
Switch-3548 (config) # hostname Switch-PHY-3548
4. Configure the superuser p
There are many things worth learning about security switches. Here we mainly introduce the meanings and new functions of the layer-3 security switch. Security Switch-the new darling of the network industry, the gatekeeper of the network entry, is aiming to raise a large knife to all insecure factors. With the advent of the Internet era, security issues have become an urgent issue. The existence of viruses,
CISCO 3750 Dual Switch stack operation, cisco3750 dual
Double switch stack operation
I. Basic Requirements:
The ios version must be consistent with the dedicated stack module and stack cable, and the maximum number of stacks is 9.
Ii. Stack advantages:
High-density ports, easy to manage, and stacked switches can be regarded as a unified configuration of a switch
After the switch system is restarted successfully and the VRP platform software has been updated, it is necessary to carefully and carefully maintain the updated software, next, let's give some comments and opinions on the switch system.
As a core network terminal in a LAN, maintaining the switch system becomes very important. In order to make the LAN work more s
Tab tab switch effect JavaScript Summary
It is very common to switch tabs on current web pages. HoweverTab SwitchBut there are a lot of things to be aware of, how to use the least code, the most flexible implementation. JavaScript code implemented by 37 tabs is collected here.
Non-Original Source Network: original address: http://paranimage.com/37/
1) EasyTabs 1.2 With autochange-you can set the tab menu in
Cocos2d-x trip _ 39] simulate a switch in LUA
This is actually not difficult, but a friend told me that he encountered the question "Please use lua to simulate Switch" during the interview ...... I think of sharing my previous articles ......
The code is simple:
_ G. switch = _ G. switch or {} _ G.
Slow network speed is a common type of switch failure. We need to carefully analyze the error records of the faulty switch so that we can fundamentally solve the problem and avoid repeated errors later. When the network scale is relatively large, the "load" of switches that shoulder network data forwarding, content filtering, and management control tasks will be very heavy. In addition, like a person's heal
As a network operations engineer, if the management of the routing, switching equipment more, then you will also encounter the same problem with me: The device configuration is often adjusted, especially the access layer switch, in case you forget to save the configuration, and the next day a switch power-down restart, you have forgotten the previous configuration, Causes the network restore configuration t
View C # (2) through IL)
Switch Statement (lower)
Address: http://www.cnblogs.com/AndersLiu/archive/2008/11/06/csharp-via-il-switch-2.html
Original: Anders Liu
Abstract: The switch statement is a common jump statement in C #. Different codes can be executed based on different values of a parameter. This article introduces the IL code generated by the compiler whe
Many new client/server applications and the advent of multimedia technology, resulting in traditional shared network is far from satisfying the requirements, which also promote the emergence of LAN switches.
1, the definition of the switch
The LAN switch has many ports, each with its own dedicated bandwidth, and can connect to different network segments. The communication between each port of the
In the early 90, with the improvement of computer performance and the increase of traffic, traditional LAN has more and more exceeded its own load, switching Ethernet technology came into being, which greatly improved the performance of LAN. The two-tier switch plays a key role in the development of the switch technology, but with the maturity of the two-layer switch
With the development of China's exchange industry and the promotion of updates and upgrades of the soft switch technology, we mainly analyze the development relationship between the soft switch technology and the Next Generation Network. Over the past few years, with the rapid popularization and maturity of domestic IP phone technology and successful market operation practices, people have been paying more
Of the six Ethernet switches we tested, the Edimax es-5800r and LeaPComm6004 switches are not managed switches, Accton ES4508, and the Thinker3800 switches of the creators are all network-management switches, 3Com 4900 is to support the three-layer and four-layer switch, Shenzhou digital D-link DGS3308TG is a three-tier switch.
Performance is the brunt
The 6 products include all copper ports, all fiber po
The LAN contains a large number of computers and relies solely on anti-virus software to scan and kill one by one. The workload is huge, and it is not conducive to solving network faults efficiently, therefore, I plan to test whether the communication speed between computers in the LAN is normal.
The following describes what is a switch fault, which causes many kinds of switch faults. For example, if the mo
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