Senior System Engineer 1 Interview Questions and Answers

Active Directory is a directory service that stores information about network resources. DHCP assigns IP addresses. DNS resolves domain names. FTP is a file transfer protocol.

• Active Directory is used to manage users, computers, and other network resources in a domain environment.

• DHCP automatically assigns IP addresses to devices on a network.

• DNS translates domain names into IP addresses.

• FTP is a protocol used to transfer files between computers on a network.

• Active Directory, ...read more

Java 8 introduced several new features including lambda expressions, functional interfaces, and streams.

• Lambda expressions for functional programming

• Functional interfaces for defining functions

• Streams for processing collections

• Default methods for backward compatibility

• Date and time API improvements

• Nashorn JavaScript engine

• Parallel array sorting

• Type annotations

• Repeatable annotations

Code to add two numbers in Python

• Declare two variables to store the numbers

• Use the '+' operator to add the numbers

• Return the sum

Strings are immutable in Java to ensure data integrity and security.

• Immutable strings prevent accidental changes to data

• String pool optimization is possible due to immutability

• Security is enhanced as strings cannot be modified after creation

Active Directory is a directory service developed by Microsoft for Windows domain networks.

• Centralized database for managing network resources

• Stores information about users, computers, and other network objects

• Allows for authentication, authorization, and policy enforcement

• Supports single sign-on for users across multiple applications

• Example: Used in corporate environments to manage user accounts and permissions

Inheritance is a concept in object-oriented programming where a class inherits attributes and methods from another class.

• Types of inheritance include single inheritance, where a class inherits from only one parent class, and multiple inheritance, where a class inherits from multiple parent classes.

• Other types include hierarchical inheritance, where one class serves as a parent for multiple child classes, and hybrid inheritance, which is a combination of multiple and hierarchi...read more

Group Policy is a feature in Windows that allows administrators to manage settings and configurations for users and computers in a network.

• Group Policy is used to enforce security policies, software installation policies, and other settings across a network.

• It allows administrators to centrally manage and configure settings for multiple users and computers.

• Group Policy settings can be applied to specific users, groups, or computers.

• Examples of Group Policy settings include pa...read more

DHCP and DNS are essential networking protocols used to assign IP addresses and translate domain names to IP addresses, respectively.

• DHCP stands for Dynamic Host Configuration Protocol and is used to automatically assign IP addresses to devices on a network.

• DNS stands for Domain Name System and is used to translate domain names (e.g. www.google.com) to IP addresses (e.g. 172.217.3.206).

• DHCP helps in simplifying network administration by dynamically assigning IP addresses to d...read more