Which of the following commands would you use to stop or disable the ‘httpd’ service when the system boots? # systemctl disable httpd.service # system disable httpd.service # system disable httpd # systemctl disable httpd.service The correct answer is A) # systemctl disable httpd.service What is Test Kitchen in Chef? Test Kitchen is a command-line tool …
What is the default port of MySQL Server? The default port of MySQL Server is 3306. How is the MyISAM table stored? MyISAM table is stored on disk in three formats. ‘.frm’ file : storing the table definition ‘.MYD’ (MYData): data file ‘.MYI’ (MYIndex): index file What is the usage of ENUMs in MySQL? ENUMs …
What is Agile? Agile is a software framework of behaviors and approaches encouraging in-time production, which enables customers to receive quality software sooner. Discuss the differences between Agile and traditional Project Management (Waterfall)? Agile involves iterative project implementation approaches, whereas traditional methods include various project life cycle phases. What are Agile frameworks? There are several …
What are different types of instances? Following are the different types of instances: General Purpose Instance typeGeneral purpose instances are the instances mainly used by the companies. There are two types of General Purpose instances: Fixed performance (eg. M3 and M4) and Burstable performance (eg. T2). Some of the sectors use this instance such as …
How are reserved instances different from on-demand DB instances? Reserved instances and on-demand instances are the same when it comes to function. They only differ in how they are billed. Reserved instances are purchased as one-year or three-year reservations, and in return, you get very low hourly based pricing when compared to the on-demand cases …
What is AWS? AWS stands for Amazon Web Services. It is a service which is provided by the Amazon that uses distributed IT infrastructure to provide different IT resources on demand. It provides different services such as an infrastructure as a service, platform as a service, and software as a service. Define and explain the …
What is the difference between list and tuples in Python? LIST TUPLES Lists are mutable i.e they can be edited. Tuples are immutable (tuples are lists which can’t be edited). Lists are slower than tuples. Tuples are faster than list. Syntax: list_1 = [10, ‘Chelsea’, 20] Syntax: tup_1 = (10, ‘Chelsea’ , 20) Python an interpreted …
What are the built-in types does python provide? Python has following built-in data types: Numbers: Python identifies three types of numbers: Integer: All positive and negative numbers without a fractional part Float: Any real number with floating-point representation Complex numbers: A number with a real and imaginary component represented as x+yj. x and y are …
What are the key features of Python? Python is one of the most popular programming languages used by data scientists and AIML professionals. This popularity is due to the following key features of Python: Python is easy to learn due to its clear syntax and readability Python is easy to interpret, making debugging easy Python …
What are the common uses of PHP? It performs system functions, i.e. from files on a system it can create, open, read, write, and close them. It can handle forms, i.e. gather data from files, save data to a file, through email you can send data, return data to the user. You can add, delete, …
