devops interview questions and answers

operate a microwave oven, what kind of software will you develop to accomplish this?Tasks? 56. How do you design a coffee machine for a car? 56. What content will you add to Microsoft's word system? 57. What kind of keyboard will you design for a user with only one hand? 58. What kind of alarm clock will you design for deaf people? Reference answer: 1. day1 to 1 segment,Day2 asked the worker to return segment 1 to segment 2,Day3 to 1 segment,In day4, return segment 1 and segment 4.Da

115 Java Interview Questions and answers-ultimate list (I), 115 java This article will discuss various types of interview questions in Java interviews, which allow employers to test candidate's Java and general Object-Oriented Programming capabilities. The following section

Php interview questions and answers $ Img = file_get_contents ('http: // www.baidu.com/img/baidu_logo.gif '); File_put_contents('1.gif ', $ img ); Echo ''; ?> 3, Function is_gfriend ($ na, $ nb) { $ Random1 = rand (1/5); // calculate their fate $ Random2 = rand (1, 5

function, and CURL can all achieve this. If PHP and Java are integrated, PHP has built-in this mechanism (If PHP and. NET integration. For example, $ foo = new Java ('java. lang. system ');5. CVS and SVN. SVN is known as the next generation of CVS and has powerful functions. However, CVS is a veteran with a high market share. I have been using SVN for a long time. The question is what tools are used. Well, this may require the following answers: CVS

1. Tell me about your understanding of doctype.2.web Product Development process3. Tell me about your understanding of the box model4. What are the three layers of the front page? What is the role?5. What are the inline elements? What are block-level elements? How do they transform each other?What are the introduction methods of 7.CSS?8. Please use CSS to define 9. Talk about CSS Sprites technology10. In which browsers did you test the page? What are the cores of these browsers? What are the com

choose an array instead of a ArrayList. If we want to traverse a map in order of insertion, we need to use TreeMap. If we don't want to repeat, we should use set.(2) Some collection classes allow you to specify the initial capacity, so if we can estimate the number of stored elements, we could use it to avoid re-hashing or resizing.(3) programming based on interfaces, rather than implementation-based programming, allows us to easily change the implementation later.(4) Always use type-safe gener

type as needed. For example, if you specify a size, we will choose an array instead of a ArrayList. If we want to traverse a map in order of insertion, we need to use TreeMap. If we don't want to repeat, we should use set.(2) Some collection classes allow you to specify the initial capacity, so if we can estimate the number of stored elements, we could use it to avoid re-hashing or resizing.(3) programming based on interfaces, rather than implementation-based programming, allows us to easily ch

article to learn more about the callable,future example.6. What is Futuretask?Futuretask is a fundamental implementation of the future, and we can use it with executors to handle asynchronous tasks. Usually we do not need to use the Futuretask class, it becomes very useful when we intend to rewrite some methods of the future interface and keep the original base implementation. We can just inherit from it and rewrite the methods we need. Read the Java futuretask example to learn how to use it.7.

10 practical interview questions and answers on the Squid Proxy Server in Linux Not only do system administrators and network administrators often hear the word "Proxy Server", but we also often hear it. Proxy servers have become the norm of enterprises and are often exposed to them. It also appears in the cafeteria of small schools or large multinational compani

English interview questions and answers [] For job hopping, the interview is usually asked why I should leave my current job. How can we make a perfect answer? After reading the following conversation, you will be enlightened! Q -- Interviewer A -- Interviewee Q: Why do you want to leave your current j

= "Aaaabbbccccddfgh"; var obj = {};for (var i=0;i10, write a function, clear the string before and after the space. (compatible with all browsers)function Trim (str) {if (str typeof str = = = = = = "string") {return str.replace (/(^\s*) | ( \s*) $/g, ""); Remove front and back blank characters}}other1. What is the process of a complete HTTP transaction? Basic Flow:A. Domain Name resolutionB. 3-time handshake to initiate TCPC. Initiating an HTTP request after establishing a TCP connectionD. ser

Interview Questions and answers for 40 Java sets and 40 Java Sets Provided by Beijing shangxuetang 1. JavaWhat is a collection framework? What are the advantages of a collection framework? Each programming language has a set. The original Java version contains several collection classes: Vector, Stack, HashTable, and Array. With the widespread use of collections,

Php programmer interview questions and answers Class my_class { Function my_funct ($ my_param) { User_error ("please define me", E_ERROR ); } Function B () { Return 10; } } ?> A. Multiple inheritance B. Interface C. abstract method D. private method E. function overload)7. suppo

Uiimageview in ASIHTTPRequest or sdwebimage? (Put the Uiimageview in the UITableViewCell inside to ask more praise)13. Trouble you to design a simple picture memory buffer (removal strategy is a must say)14. Tell me about your experience using instrument to optimize your animation performance (don't ask me what instrument is)What's Loadview for?Viewwilllayoutsubview you always know.What kinds of queue are there in GCD? Have you built the serial queue yourself? What is the threading model behind

Web Service Interview Questions and answers What is a Web service? Define people and companies have debated the exact definition of Web Services. at a minimum, however, a Web Service is any piece of software that makes itself available over the Internet and uses a standardized XML messaging system.XML is used to encode all communications to a web service. for e

The following is an interview question set from Google to see if you can answer it. Many of these questions are open-ended and there are many correct answers, so use your creativity and imagination. 1. How many golf balls can be mounted on a school shuttle? 2. You are reduced to only a coin with a very high thickness (not squashed, but scaled down proportiona