Article Introduction：Differences: 1. Core switches are switches deployed at the core layer, while aggregation switches are switches deployed at the aggregation layer; 2. Core switches are used for routing and high-speed forwarding, while aggregation layer switches are used for the egress of unified access nodes; 3. The core layer switch uses a network managed switch, and the aggregation switch uses a switch that supports three-layer switching technology and VLAN.

2022-02-22 comment 0  38994

Article Introduction：The difference between Layer 3 switches and Layer 2 switches: 1. Layer 2 switches work at the data link layer, while Layer 3 switches work at the network layer; 2. Layer 2 switches are based on MAC address access, only forwarding data, and cannot configure IP addresses. , and Layer 3 switches combine Layer 2 switching technology and Layer 3 forwarding functions.

2020-12-25 comment 0  86669

Article Introduction：Guide to Swapping in C#. Here we discuss the Introduction, Swapping 2 Number, Swapping 3 numbers with examples, codes, and outputs

2024-09-03 comment 0  892

Article Introduction：In the Pinduoduo software, everyone enters the product they want to buy, then selects the price they can accept, and clicks Pay to place the order. If after receiving the goods, you find that the items are not as good as the merchant said, you can find the exchange button on the after-sales page. After the merchant agrees, you can send the items back to the merchant, and wait for the merchant to exchange the new items and send them over. That's it. So how to exchange the goods? Next, let us take a look at the exchange methods. "Pinduoduo" exchange method Exchange method: My order - the product you want to exchange - apply for a refund - exchange - reason for application - submit 1. Open Pinduoduo, click [Personal Center] in the lower right corner, and go to the personal center page Click My Orders. 2. On the All Orders page, select the low-cost item you want to exchange, and then click below to apply for a refund. 3.

2024-07-16 comment 0  573

Article Introduction：Unexpected Duck is a popular casual puzzle game on Douyin. The latest level, Swap Life, prompts to exchange their fates. How to pass the level? Today, the editor of this website brings you a guide to clearing the level of "Unexpected Duck" by exchanging lives and exchanging their fates. Friends who have not cleared the level can come and see the specific ways to pass it. Let's take a look together! "Unexpected Duck" Swap Lives and Swap Their Destinies Level Clearance Strategy Swap Life Goals: Swap Their Fates: 1. Swap Lives and Swap Their Destinies In this level, drag the knowledge to the two children, neither of them is studying, and then choose Swap 2. On the left , drag the stove, cabbage, hoe, click on the door, drag the chicken to the boy 3. On the right, drag the color palette, computer, basketball, and books on the bookshelf to the boy 4. Exchange two people

2024-04-18 comment 0  1198

Article Introduction：There are two sides in the picture. We need to exchange their destinies. How do we pass the level? Today, the editor of this website will share with you the strategy for clearing the level of "I Have Good Eyes" by exchanging lives and exchanging their fates. Please refer to it if you need it. I hope it can be helpful to everyone. "Only My Eyes Are Good" Swap Lives and Swap Their Destinies Clearance Guide Swap Lives and Swap Their Destinies: 1. Drag the knowledge to the two children, neither of whom study, then choose Swap 2. On the left, drag the stove, cabbage, and hoe , click on the door, drag the chick to the boy 3. On the right, drag the color palette, computer, basketball, and books on the bookshelf to the boy 4. Swap the two

2024-04-09 comment 0  767

Article Introduction：Methods for numerical exchange in JavaScript: 1. Use intermediate variables to exchange numerical values, the syntax "c=a;a=b;b=c;"; 2. Use array exchange to exchange numerical values, the syntax "a=[b,b =a]".

2021-06-30 comment 0  2426

Article Introduction：Guide to Swapping in PHP. Here we discuss the concept and how to swap two or three numbers with or without temporary variables with examples.

2024-08-29 comment 0  892

Article Introduction：Soul is a social application popular among young people. It uses a unique algorithm and interest matching mechanism to help users find like-minded people and establish real and in-depth social relationships. Soul has a function for exchanging pictures, which can give users a very special social experience. Friends who don’t know how to operate it, come and find out! How to exchange pictures in Soul The steps to exchange pictures in Soul are as follows: 1. First open the Soul application and click to enter the personal homepage. 2. Then find and click the picture option on your personal homepage. 3. Finally enter the picture option and select the photo exchange function. Warm reminder: Will Soul exchange pictures be automatically destroyed? Yes, Soul exchange pictures are automatically destroyed. After the user sends the picture,

2024-07-04 comment 0  949

Article Introduction：A switch is a network device used for forwarding electrical (optical) signals. It can provide an exclusive electrical signal path for any two network nodes connected to the switch. The switch is only used to distribute network data. It can connect many hosts, each of which has its own external IP. The switch works at the relay layer, addressing based on MAC address, and cannot provide this function.

2023-01-31 comment 0  23171

Article Introduction：Bank of Communications Credit Card Points Redemption: Bank of Communications Credit Card Points Redemption Script to establish file exchange function (1): Because of work reasons, it is necessary to install a file exchange tool on the LAN, or it can be made into a function block for file downloading. I am using php, mysql, and apache. Now I will post the program writing process, because it is a reference to some oso articles, and it is also a supplement, and it also expresses my respect for my predecessors. Preparation work: Create a table upfile in your database of mysql /*Upload file table CREATE TABLE upfile (id TINYINT (8) not

2016-07-29 comment 0  1204

Article Introduction：If users of Apple mobile phone 7plus want to replace the battery, the operation is actually very simple. Users can make an appointment to replace the battery on the mobile phone, or they can go directly to the directly operated store to replace it. It is not recommended to replace it with a third party or to replace it by yourself. How to replace the battery of iPhone 7plus? Answer: Official replacement or replacement at an authorized repair center 1. If users feel that the battery of their iPhone 7p is not durable, they can make an appointment for replacement. 2. Click Technical Support on the phone, then click Apple Repair, and select after-sales issues to replace the battery. 3. Users can go to local direct stores or authorized service centers for replacement. 4. The official after-sales service for battery replacement is more guaranteed, but the price is still relatively expensive. 5. If there is no maintenance point in the user’s local area, you can also try

2024-03-14 comment 0  987

Article Introduction：The working principle is: multiple concurrent connections are established between its multiple ports. The Layer 2 switching of the LAN switch performs the bridging function and forwards data according to the MAC address. The switching speed is fast, but the control function is weak and there is no routing function. Layer 3 switching forwards data based on IP addresses and has routing functions.

2021-06-30 comment 0  8275

Article Introduction：A JavaScript program that swaps nodes in a linked list without exchanging data is a common problem in web development that involves rearranging the order of nodes in a linked list. A linked list is a data structure composed of nodes, each node containing a piece of data and a reference to the next node in the list. In this article, we will learn a complete tutorial on exchanging nodes in a linked list without exchanging data using JavaScript. So let's first define the exchange node and then continue with the tutorial. So, keep learning! Swapping nodes Swapping nodes in a linked list means we swap the positions of two nodes. There are several ways to swap nodes in a linked list. One way is to swap the data in the nodes, but when dealing with large amounts of data this may

2023-08-24 comment 0  811

Article Introduction：Python美味第一顿，来个方便快捷的变量交换！为什么是Python？！因为Python中交换变量不需要临时变量！

2016-06-16 comment 0  1320

Article Introduction：This article introduces how to replace the system disk (non-public image) by replacing the system disk, and focuses on the specific operation steps.

2018-09-18 comment 0  3354

Article Introduction：A linux swap partition is not necessary; a linux system can run perfectly without a swap partition, and in some cases, like an embedded solution, linux can run without swap, as long as the swap partition has as much physical memory as possible Best solution to avoid swapping.

2022-07-27 comment 0  3109