cissp test questions

Internal test pen questions for the use of Hibernate to develop rental systemsFirst, the choice of questions (a total of 25 questions, 2.5 points per question, select one or more, the selection of the wrong choice is not divided)1. In Hibernate, the following statement about the primary key generator is wrong (C).A Inc

Summary of js pitfalls written test questions (continuously updated) Ask your interviewer down. You are a qualified interviewer. The following are some mistakes-prone js test questions which will be continuously updated. 1. Evaluate the knowledge of this Var length = 10 function fn () {alert (this. length)} var ob

. LOG4J uses the log-level mechanism to write out the log output level in order of output levels from low to high.Answer: log4j is divided into off, FATAL, ERROR, WARN, INFO, DEBUG, all or the level you define. LOG4J recommends using only four levels, with the priority from high to low being ERROR, WARN, INFO, DEBUG. By defining the level here, you can control the switch to the appropriate level of log information in your application. For example, if the info level is defined here, the log infor

Common Android test questions and Answers (detailed collation)1. Please describe the activity life cycle.Answer: as shown in. There are seven periodic functions, in order: OnCreate (), OnStart (), Onrestart (), Onresume (), OnPause (), OnStop (), OnDestroy ().OnCreate (): Called when an activity is created, set in the method, and provides access to any previously stored state in the form of bundles.OnStart

These questions are seen in the German question, it is very interesting, bring to share the trap, see you will not fall into it. First question. Copy Code code as follows: $arr = Array (0=>1, "AA" =>2, 3, 4); foreach ($arr as $key => $val) { Print ($key = = "AA"? 5: $val); } How much is the output result? If the answer is 1534, it falls into the trap. Let's take a look at the structure that the array eventually forms:

The following two small test questions are collected from the Internet. If you are interested, try them, Do not compile the test results first. Answer the following according to your feelings: 1. There is such a class:Class t{Protected string AAA; Public T (string Val){AAA = val ;} Public String getstring (T){Return T. AAA ;}} And the following usage:1

On MSDN, I saw three test questions. I feel very good. I will post them to see them:There are three subjects in this test. The requirements are as follows: 1. Use C # to complete 2. You can search for documents by reading books or surfing the Internet. If any dishonest behavior is discovered, the company will not be admitted and the consequences will be borne by

1. in div contains a elements , through has selector get in elements The syntax of the element is hint using has () Answer: $ (Div:has (span)) gets the span label under div , not span text content under the label !$ ("div span");2. in the element , multiple elements have been added , jquery selector gets the last element is a method of ?Answer: $ ("Li:last");3. There are three elements in the page , using the chained notation in jQuery to hide the second element , c

PrefaceWhether you are a newbie or an expert in programming, you will be amazed by the Infinite Charm of Sun's Java. Java brings you more than just the advantages of object-oriented, open, platform-independent, easy-to-use, secure, and "Write once, run anywhere" software development. More importantly, it provides a novel way of expressing ideas and a brand new way of thinking. As the scale of the problem to be solved expands, the flexibility of Java's thorough Object-oriented thinking will emerg

several interfaces, a Java program can inherit only one class at a time, but several interfaces may be implemented, interfaces cannot have any specific methods, and interfaces can be used to define a set of constants that can be used by a class. Its implementation is interface to achieve. Copyright notice: I feel like I'm doing a good job. I hope you can move your mouse and keyboard for me to order a praise or give me a comment, under the Grateful!_______________________________________________

of the following number, * than its small placed in an array, larger than its size in an array * 2 arrays are called recursively until the final array element is less than or equal to 1 o'clock, there is no comparable element * by Array_ The merge function merges the array of comparisons in order of size and then a layer of return, resulting in a sort from small to large * @param array $array * @return Array $array*/functionQuickSort ($array){ if(Count($array) return $array; $key=$array[

200CYCLENOCACHE;The generated value of the sequence seq1 has reached the maximum value of 200, and then executes the following statement:SELECT Seq1.nextval from dual;The options for the following explicit correct values are (D).A 1B 10C 100D Error24. A_oe and A_HR are 2 users in the database, and there is a table orders under A_oe that executes the following statements:CREATE ROLE R1; --system underGrnat Select,insert on a_oe.orders to R1; --a_oe modeGRANT R1 to A_hr; --system modeGRANT SELECT

(1) The questions are as follows: class A{ intA ShortbintCCharD;}; class B{ DoubleA ShortbintCCharD;}; In +On the bit machine, compile the above code with GCC and ask for sizeof (A), and the number of sizeof (B) respectively. A - A A - - - -Answer: CCalculations are based on the following criteria: (Core Knowledge point: Structure alignment)1. The size of the struct is equal to the integer multiple of the maximum member size of the s

3,10,45,6,7,8,9,9,6,5,42,54,6,5,76,7,54,45,45,67,67,4,100,7,32,20,42,84,81,22, each randomly deleting one of the elements, asking after 5 deletions, ask questions The 16th element in the new array, in the same position as the original array.AnswerJust create a bolean array of the same size as the original input array, initialize all 0, delete an element in the original array, corresponding to the same indexed elements of the Boolean array 1, so after

that satisfy the requirement. Sample Input 13 31 22 31 3 Example Output 16 sample input 24 41 22 33 11 4 Sample Output 2101#include 2#include 3#include 4#include 5#include 6 using namespacestd;7 #defineSize 100008 structedge{9 intTo,next,val;Ten }; OneEdge e[size*Ten+5]; A intH[size+5]; - intsum; - voidDfsintBintAintf) { the if(f==3){ -sum++; - return; - } + inti; - for(i=h[a];i+1; i=E[i].next) { + if(e[i].to!=b) { ADFS (a,e[i].to,f+1); at } - }

I have been recruiting Android Developers for the project team recently. In the interview process, it is also a process of self-improvement to understand the subject's project and ask questions. As people have already been recruited, I have sorted out some of my favorite questions and made them into this test or interview question. I hope it will help you find a

　　As the first Dark Horse technical blog It is necessary to explain the background. The personal understanding of the blog is to be used in communication, in his study, in the exchange of learning to grow together. Let's get down to the chase. This article is mainly to introduce the black horse in the introduction of testing some of the problems (this should not leak the question bank).First analysis of 10 sets of questions, mostly is the basic knowle

On this website (http://stevenkobes.com/ctest.html) found a very interesting set of C language test questions, if you recruit C language related developers, or are learning C language, it is worth doing. If not, do not read the following content for the time being. You 'd better finish it first. OK. If the answer you provided is not completely correct, you can continue reading it. Otherwise, the following

, no classmates can give up not answer." Answer:Simulation Environment:Mkdir-p/oldboy/testTouch A.txt/oldboyTouch B.txt/oldboy/testecho "Oldboy" >a.shecho "Oldgirl" >b.shFrench one: SEDSed-i "S#oldboy#oldgirl#g"/oldboy/*.txtSed-i "S#oldboy#oldgirl#g" ' find/oldboy/-type f-name ' *.sh 'Sed-i "S#oldboy#oldgirl#g" $ (fing/oldboy/-type f-name "*.sh")Law II: Find+|xargsfind/oldboy/-type f-name "*.sh" |xargs sed-i "S#oldboy#oldgirl#g"find/oldboy/-type f-name "*.sh"-exec sed-i "s#oldboy#oldgirl#g {} \;

type variables? Volatile has two main functions: 1. Avoid command rearrangement 2. Visibility guarantees. For example, the JVM or JIT will reorder the statements for better performance, but the volatile type variable will not be reordered with other statements even if there are no synchronized blocks. Volatile provides happens-before guarantees that a thread's modifications can be visible to other threads. In some cases, volatile can also provide atomicity, such as reading 64-bit data type