what is difference between layer2 and layer 3 switch
what is difference between layer2 and layer 3 switch
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other places to transfer goods, there may not be agents you want to buy goods.3. Finally, the pros and consFor the client:NAT is easy to set up without client softwareProxy for each application, or to install a client software, the settings are relatively complex. And does not necessarily support all applications, such as VPN client login many proxies will not be able to proxy the application.For the serve
memory of the system. Of course, this is difficult for developers, 3DS Packaging technology is the key technology to amplify DDR4 capacity.
Capacity surge up to 128GB
3DS (3-dimensional stack, three-dimensional stacking) technology is one of the most critical technologies in DDR4 memory, which
) selector content is the ID name that returns the object reference that has the first ID. For example, there is a#No1 ') or getElementById (' No1 '). The selector of the getElementsByTagName selector is the Name property value of the tag, and the selector of the Getelementsbyclassname is the class name, which
What is the difference between M and C in MVC mode? What is the difference between M and C in MVC mode? For example, to create a student information management system, M can add, delete, modify, and query student information and o
programs.
2. C/S first
Client: Client, Server: Server. The biggest problem lies in the word "Server". Most C/S applications use C/DatabaseServer instead of C/ApplicationServer.
2.1 C/DatabaseServer: each client directly accesses the database. If the BLL and DAL layers of each client are the same at this time, there is no problem; if the BLL and DAL layers are inconsistent, problems may occur.2.2 C/ApplicationServer: each client accesses the applicati
method, you need to call base. WndProc method to process messagesHttp://stackoverflow.com/questions/19529878/where-to-call-base-wndproc-or-base-defwndproc
What exactly is the difference between WndProc and Defaultwndproc?
There is no method named "Defaultwndproc", I'll assume you be talking about Defwndp
three comparisons were as follows:Three different parts of the platform combination:ASP.NET:Windows Server+iis+sql server+aspjavaee:unix+tomcat+oracle+jsplamp:linux+apache+mysql+phpFive or three pictures tell you how the Web works1, the server does not have the application and the database, requests the HTML file directly2. Server with application (e.g. PHP)3. Server with Application and databaseFor the development of web technology, you can also loo
defined for the DIV element, the display effect will be displayed on the P element.
Because of the particularity of DIV and SPAN elements, it is generally used to apply style sheets. For example, CSS is used as a layer. What needs to be distinguished is the
What is HTTPS?HTTPS ( HTTP over SSL, which represents a hypertext Transfer protocol based on Secure Sockets Layer ) is a Netscape developed by Web encrypt the transport protocol. You can also say: HTTPS = HTTP + SSLHTTPS in the HTTP the application layer
What is the difference between Apple iPad and ipad2 in 3G and WiFi? I believe this is a concern of many friends! You will understand the following 20 questions!
1. What is the difference
Do I need to enable DHCP for the community or village network? The following is a technical analysis on personal opinions.
My personal suggestion is to enable DHCP, but some people ask why China Telecom and China Unicom do not enable DHCP?
When DHCP is enabled, you can see that the boot speed is faster. I think there a
What is the difference between stack and stack?
The main differences are as follows:
1. Different management methods;
2. Different space sizes;
3. Whether fragments can be generated is different;
4. Different Growth directions;
5. Different allocation methods;
6. Different A
Today, when I was working on a job interview, David asked me to add a title: The difference between ID and name in HTML. A listen to Ah, the HTML ID and name what is the difference, but usually in use, not how to think, just so use it, oh, in fact, when doing the Web page there is
target text, link, vlink, and content model differences with alink vspace width (supported by img, object, table, col, and colgroup)
The Content Model of the element type describes what type of element instance can be included. At this point, the biggest difference between the two types of document declarations is that blockquote, body, and form elements can onl
) from the above analysis, we can see that after a local variable is changed to a static variable, its storage mode is changed, that is, its survival time is changed. After changing a global variable to a static variable, it changes its scope and limits its scope of use.3) s
output has nothing to do with any clock signal, the glitch generated by decoding output is usually monitored. A synchronous circuit consists of a timing circuit (register and various triggers) and a logic circuit. All its operations are completed under strict clock control. These time series circuits share the same time clock CLK, and all state changes are completed at the rising (or descending) side of the clock.
2.
?
It would be a shame if you went into the graphical interface as soon as you opened it. It should be a good time for you to learn about the X server START process. You open a xterm input:
Init 3
You can safely return to the character interface.
Well, when you're done with the following experiments, you fully understand what the relationship is between X and the
the administrator with convenient and reasonable allocation of storage resources to the users, so as to avoid the system crash caused by the uncontrolled use of disk space, and improve the security of the system.
7. NTFS uses a "change" log to track changes that occur in a record file.
On the security side of the system, the NTFS file system has features that are not available in many FAT32 file systems, and Win 2000 on NTFS runs faster than FAT32 Win 2000, while FAT32
What is the difference between an object in a Free state and an object in a transient state. Answer one:
There are 3 types of Hibernate objects: Transient (Transient), persistent (persistent), and off-state (Detached). Objects that are in persistent state are also known as PO (Persistence object), and instantaneous and
web application as a student is like a Martian, what should you say best: water hanging occurs only when a patient is ill !!?? Normal people eat !!!
What is commendable is that the following points are also recommended in the fi
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