Good programming practice
Validate input before processing All inputs to a program should be validated for correctness before they are used in further processing to prevent runtime or […]
Articles by antony
Characteristics of array and dictionary data structures
An array is a collection of elements, each identified by at least one array index or key. An array is a data structure that stores […]
Different types of operators
Arithmetic operators +, -, *, /, % Arithmetic operators perform common mathematical operations on values. ‘%’ is for modulo (remainder after division). Example: 5 % […]
Tools for network performance management and troubleshooting
Ping Ping is a diagnostic utility used to test the reachability of a host on an IP network, measuring the round-trip time for messages sent […]
Network design topology for security and performance
Network design topology refers to the arrangement of the various elements of a computer network, including its devices and transmission media. Star Topology centralizes a […]
Role of components at different network layers
Transmission Media (OSI Layer 1 Physical) The transmission media refers to the physical pathways that connect computers, other devices, and people on a network. It […]
Packet architecture
Data Represents the application layer payload; this is the actual content or message generated by the application. Segment (Transport Layer) At the transport layer, data […]
Default gateway
A default gateway in a computer network is the device that serves as the routing node that a computer uses to send information to a […]