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CCNA Study Notes 2 --- Ethernet

CCNA Study Notes 2 --- EthernetEthernet ◆ type: 1, EthernetII; 2, 100 standard Ethernet (10 Mbps) Fast Ethernet (1000 Mbps 10 Gbps 40 Gbps, using CSMA/CD access control, all are in line with 802.3 ◆ L2 network Classification 1, point-to-point: WAN network serial port 2, multi-point} ---- Ethernet broadcast} ---- Frame Relay does not support broadcast ◆ collision over Ethernet, when the two nodes transmit da

CCNA Study Notes 4 --- vro Startup Process and register value

CCNA Study Notes 4 --- vro Startup Process and register value◆ Role of the vro register value (after understanding, used to adjust the optimization of the vro switch work) power-on self-check (post) load and run boot guide microcode to search for IOS image) file loading IOS image file search configuration file loading configuration file normal operation hex 2102

Embedded System Linux kernel Development Practice Guide (ARM platform) book reviews

each processor. For example, assume that the system has nr_cpus processors, then each processor dedicated variable has nr_cpus + 1 (. data. percpu stores the original variable of all the dedicated variables of the multi-processor. It is independent of the variable zone of each processor and stores the initial data of all dedicated variables of the multi-processor, they have the same name but different storage locations." (Excerpt from Section 31.1)Without a deep understanding of the technology

"MongoDB" discusses some errors in the book of the "MongoDB authoritative guide"

Tags: MongoDB book errorToday further study MongoDB, learning materials is the "MongoDB authoritative guide", detailed see the following cover:The following errors were found during the reading process:First: P29 page BULK INSERT, in the book that can be used to implement BULK insert Batchinsert function, I run the tim

Java self-study books recommend programmers to the architects must read the book _java

As a Java programmer, the most painful thing is to choose a range too wide, can read too many books, often easily confused. I'd like to pick out some of the technical books I've read and recommend them to you in the order of study, especially to the Java programmers who want to keep improving their skills. First, Java programming into categoriesfor programmers who do not have Java programming experience to get started, to read any introductory books

CSS design guide, Study Notes 1, css design guide

front-end. Although the front-end involves a lot of knowledge, this does not hinder my enthusiasm for it. The first thing after the decision is to consolidate the system's knowledge system, and then take the study notes in the CSS design guide, this book is also a CSS entry-level book that many people have recommended

Recommended book-high-quality C ++/C Programming Guide

whether the divisor is 0; Int IA, IB, IC; .... Ic = IA/IB ;(When IB = 0, it may crash!) (2) The floating point number is equal to 0; Float fval; ... If (fval = 0 )(Floating point numbers are not necessarily saved as 0 in the computer.) { ... } (3) invalid variable names Int temp, T, S, ou ;(Which fairy can understand the meaning of these variables?) (4) the return value of the function is not judged. Iplimage * psrcimg = cvloadimage ("test.jpg ");(Is psrcimg l

Software Test Self-Study Guide-from entry to entry

best to have an independent trial qtp plane ticket booking example. This is the best practice. The basic use of qtp is okay. 2. proficient in qtp-Develop your own trial technology and lead Yu Jie Zhao xubin The first video is about recording and playback, and it is also an example of plane ticket booking. However, in actual work, there are very few recorded items, basically all of which require Script Development. This book will help you a lot. 3. qt

Software Test Self-Study Guide-from entry to entry

best to have an independent trial qtp plane ticket booking example. This is the best practice. The basic use of qtp is okay. 2. proficient in qtp-Develop your own trial technology and lead Yu Jie Zhao xubin The first video is about recording and playback, and it is also an example of plane ticket booking. However, in actual work, there are very few recorded items, basically all of which require Script Development. This book will help you a lot. 3. qt

"DirectShow Development Guide" study notes

This book should be studied eight years ago, this is a wasting time tragedy. I hope you study well and take notes . The first chapter of the DirectShow Development Guide covers the following key points:(1) DirectShow compositionI would like to point out two points: one is the filter manager, that is, the filter Graph Manager, which is a filter container, respons

SPRINGMVC Study Guide

Today finally put SPRINGMVC study guide This book finished, write down this blog record.Paired with SPRINGMVC environmentStep one: Add Dispatcherservlet to the Web. xml file, which I understand is to dispatch the action allocator with @controller annotationsStep Two: Initialize the springmvc.xml pathStep three: Map all URLs to the servlet by configuring the Url-p

Differences between data mining and Statistics (Guide to intelligent data analysis study notes)

When it comes to data mining, we tend to focus on algorithms during modeling while ignoring other steps. In real world data mining projects, other steps are the key to determining project success or failure. Guide to intelligent data analysis is the book recommended by the knime official website (http://tech.knime.org/guide-to-intelligent-data-analysis), accordin

Lua Game Development Practice Guide Study Notes 2

Tags: Lua Learn more about Lua I take notes from the Lua game development practice guide, which mainly records some knowledge points in the book. 1. Functions A function is the main tool used to divide the game script function. It is a Lua code block called by an identifier (actually a variable) and can execute some processing, return values, or both. Simple functions are defined as follows: Fun

Advanced Bash-shell Guide (Version 10) study notes three

${file#*.} : Take out the first one. And the string to the left: file.txt${file##*.} : Take out the last one. And the string to the left: txt${file%/*}: Take off the last bar/its right string:/dir1/dir2/dir3${file%%/*}: Remove the first/its right string: (null value)${FILE%.*}: Take off the last one. And the string to the right:/dir1/dir2/dir3/my.file${FILE%%.*}: Take out the first one. And the string to the right:/dir1/dir2/dir3/myThis article is from the "Linux is belong to You" blog, make sur

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