best way to study for security exam

20145311 "Information Security system Design Fundamentals" The 14th Week study summary textbook Learning content Summary1. Physical AddressingThe main memory of a computer system is organized into an array of cells consisting of m contiguous byte sizes. Each byte has a unique physical address of Pa. The address of the first byte is 0, the next byte has an address of 1, the next is 2, and so on. Given this s

practice (Douban) If you encounter a concept that you don't understand, you can actively use search engines, join groups and discuss with others, and even ask questions (as long as you think about the problem yourself, someone else will answer it if you don't answer it) The knowledge that may need to be supplemented is: 1. basic web knowledge (HTTP, HTML, etc) 2. basic database knowledge Then, step 2, read the flask source code (reason, method to be supplemented) In this

Case study-System Security Table of Contents 1 case study-System Security 1.1 Access Control and PMI permission management 1.2 Network Security 1.2.1 Information System Security Threats 1.2.2 network-leve

a job to cast a resume. Later interviewed one or two companies, the treatment is not particularly satisfactory, the client development of the work is really difficult to find!!! So I had the idea of turning the direction. In fact, I am still very interested in web development, just the left side of the station is a big guy, left side is the front-end big guy, usually eat chat also gradually began to contact a little web development knowledge. Last weekend at home spent two days to read some Jav

lines of code (new/cumulative) Blog Volume ( new/cumulative) Learning time (new /cumulative) Goal 5000 rows 30 Articles 400 hours First week 100/100 1/2 10/10 Second week 150/200 2/4 8/18 Third week 200/250 1/5 5/23 Week Five 50/300 1/6 9/32 Week Six 20/320 1/7 8/40 Seventh Week

ArticleDirectory Authentication Authorization Secure Communication I feel very lacking in website security, so I want to study it well, so I ran to the MS website to find information ~ Http://www.microsoft.com/china/technet/security/guidance/secmod01.mspx I learned to keep some text ~ Article 1 Construct a secure distributed Web Applica

In-depth study of the thread security model of PHP and ZendEngine. When I read the PHP source code and learned PHP extension development, I was exposed to a large number of macros containing TSRM words. By checking the information, we know that these macros are related to the Zend thread security mechanism. most of them are reading the PHP source code and learnin

week's exam error summary 1.The following jump commands are related to ZF ()A. jmpB. JeC. jsD. JaE. JBF. JbeAnalytical:2.Assuming that the function of the C-expression T=a+b is completed with the add instruction, the correct statement about the condition Code Register is ()A. If t==0, then zf=1B. If tC. If tD. if (aE. if (aF. LEAQ directive does not affect the condition code registerG. CMP directives do not affect the condition code registerAnalysis:

command address?4.p148 Exercises 3.29 int switcher (int a,int b,int c) {int answer; Switch (a) {case 5:c = b ^ 15; Case 0:answer = c+112; Case 2:case 7:answer = c+6; Break Case 4:answer = A; Break Default:answer = b; } return answer;} case 4 : answer = a; break;The answer is interpreted as: GCC optimizes the program to optimize answer = 4 to answer = a. Why?5. call nextnext:popl %eax

The purpose of this article is to summarize some things, solve the problem in the process of trying to construct a vulnerability database, that is how to classify the computer network vulnerabilities. Some of the ideas in this article are not mature, some even themselves are not satisfied with the right to make a point, in order to have in-depth research in this respect tongren exchanges, and improve the common. A computer network security vulnerabili

20165214 2018-2017-1 "Information Security system Design Fundamentals" The third week study summary of learning Contents1. In fact, the GCC command invokes a series of programs that convert the source code into executable code.2, the actual realization of the memory system is to combine multiple hardware memory and operating system software.3. ISA: Instruction set architecture, which defines the state of th

2018-2019-1 20165228 "The foundation of Information security system design" The second week study summary textbook learning content Summary information = bit + context Unsigned encoding: Represents a number greater than or equal to zero based on the traditional binary notation Complement coding: represents the most common way to sign a certificate, a number

20145311 "Information Security system Design Fundamentals" The sixth Week study summary textbook Learning content SummaryThe tables in the book are still very important. A program is compiled to run on one machine and cannot be run on another machineRegister%ESP are stack pointers, stack, call, and return instructionsProgram Counter PC holds the address of the currently executing instructionThe three-bi

20145216 Shi Yao "Information Security system Design Fundamentals" Seventh week Study summary teaching Contents summary Sixth chapter memory hierarchyA memory system is a hierarchical structure of storage devices with different capacities, costs, and access times.CPU registers, cache memory, primary storage, disk.The first section of storage technologyOne, random access memory (RAM)1.RAM classification:

particular trajectory through the execution state space, forgetting a guideline that the threaded program must work correctly for any viable trajectory.2. Elimination Method:Dynamically assigns a separate block to each integer ID, and passes to the thread routine a pointer to the block4. Deadlock1. A set of threads is blocked, waiting for a condition that will never be true. Programmers use P and V to operate improperly so that the forbidden areas of two semaphores overlap. Overlap