Software Test Engineer Interview interface test FAQ

The software test engineer was asked during the interview :“ What tests have you done ”. But you will answer “ Have done interface test ”.

1, What is interface testing ？
Simple answer ： Interface testing is to test the interfaces between system components . Test data exchange between interfaces , Transfer and control the management process , Test the logical relationship between systems .

2, Why do interface tests ？
Simple answer ： The connection between the server and the user is realized through the interface , The connection between systems is also realized by interfaces . Only the interface functions normally , Users can use the network normally , The system will operate normally , Therefore, interface testing must be tested .

3,HTTP and HTTPS Agreement difference ？
HTTP（Hypertext Transfer Protocol） Hypertext transfer protocol , A transmission protocol used by browser server to transmit hypertext to client .
HTTPS（Secure Hypertext Transfer Protocol） Secure hypertext transfer protocol ,HTTPS It is a kind of transmission protocol for secure communication through computer network , Through HTTP communicate , utilize SSL/TLS Establish full channel , Encrypted packets .HTTPS The main purpose of using is to provide authentication to the website server , At the same time, protect the privacy and integrity of the exchange data .
（1）HTTPS The agreement needs to reach CA Apply for a certificate , It usually costs a certain amount of money , The high cost .
（2）HTTP It's the hypertext transfer protocol , The message is transmitted in clear text ,HTTPS Agreement is made SSL+HTTP The protocol is built for encrypted transmission 、 Network protocol for identity authentication , Than http Security agreement .
（3）HTTP Use 80 port ,HTTPS Use 443 port .

4,GET and POST The difference between ？（ Parameters Security length Number ）
（1）get Method writes parameters in URL in ,POST Pass parameters by request body .
（2）get No, post Security , because get Parameters are displayed directly in URL in
（3）get Request in URL The parameters transmitted in are limited by length .
（4）get Generate a data ,post Generate two packets