Article Categories
- All Categories
-
Data Structure
-
Networking
-
RDBMS
-
Operating System
-
Java
-
MS Excel
-
iOS
-
HTML
-
CSS
-
Android
-
Python
-
C Programming
-
C++
-
C#
-
MongoDB
-
MySQL
-
Javascript
-
PHP
-
Economics & Finance
Articles by Bhanu Priya
Page 15 of 107
What is network services terminology?
The real function of every layer in the OSI model is to provide services to the layer above it. Understanding the terminology used in network services is essential for comprehending how different layers interact and communicate with each other. Key Network Service Entities Entities are active elements within each layer that can be either software-based (like processes) or hardware-based (like intelligent I/O chips). Peer entities are corresponding entities that exist in the same layer on different machines and communicate using the same protocol. Service Provider and Service User Relationship ...
Read MoreWhat are security threats? Differentiate between wired and wireless threats
Security threats are potential risks and vulnerabilities that can compromise the confidentiality, integrity, and availability of computer systems and networks. These threats can originate from various sources and target different aspects of digital infrastructure. Common Security Threats Hardware threats − Physical damage, theft, or unauthorized access to computing equipment that can lead to data breaches or system failures. Software threats − Malicious programs, viruses, and vulnerabilities in applications that can corrupt or steal critical organizational data. Hacking − Unauthorized access to systems through exploitation of security vulnerabilities, often involving malicious programs to ...
Read MoreWhat are the general techniques to improve the quality of service?
Quality of Service (QoS) in networking refers to the ability of a network to provide reliable, predictable service to traffic across various technologies including Ethernet, wireless, IP, and ATM. QoS ensures that critical applications receive the bandwidth, latency, and reliability they require. Network congestion significantly impacts QoS and can result from insufficient bandwidth, high traffic on specific routes, or inefficient routing protocols. The routing algorithm's ability to detect traffic patterns and select optimal paths directly affects overall network performance and service quality. QoS Traffic Management Flow Incoming Traffic ...
Read MoreWhat is big data?
Big Data refers to extremely large, complex datasets that grow exponentially over time and cannot be efficiently processed, stored, or analyzed using traditional data management tools and techniques. These datasets are characterized by their volume, variety, velocity, and complexity, requiring specialized technologies and methodologies for effective handling. Big data encompasses structured data (databases, spreadsheets), semi-structured data (JSON, XML files), and unstructured data (social media posts, videos, images, sensor readings). The challenge lies not just in the size, but in extracting meaningful insights from this diverse information landscape. The 4 V's of Big Data ...
Read MoreWhat are VLAN, NAT and private IP's in computer networks?
In modern computer networking, three fundamental concepts work together to create efficient and secure networks: Virtual LANs (VLANs), Network Address Translation (NAT), and private IP addresses. These technologies enable network segmentation, address conservation, and enhanced security in both enterprise and home networks. Virtual LAN (VLAN) A VLAN is a logical grouping of network devices that belong to the same broadcast domain, regardless of their physical location. VLANs allow network administrators to segment a physical network into multiple isolated broadcast domains using switches. Instead of having all devices on a single flat network where every device can see ...
Read MoreWhat are security features of the 4G cellular network?
4G cellular network is the fourth generation of cellular communications technology, offering significant improvements in speed, cost efficiency, and security over previous generations. Understanding its security features is crucial as 4G networks handle massive amounts of sensitive data daily. Key Features of 4G 4G technology introduces several enhancements over 3G networks: 10x faster speeds − Data rates up to 150 Mbps compared to 3G's maximum of 21 Mbps Lower cost per bit − More efficient data transmission reduces operational costs Enhanced security − Multiple layers of protection safeguard user data and ...
Read MoreWhat are network troubleshooting tools?
Network troubleshooting tools are essential utilities used to identify, diagnose, and resolve network connectivity issues, performance problems, and security vulnerabilities. These tools help network administrators maintain optimal network performance and quickly resolve issues when they arise. Network troubleshooting tools are classified into two main categories: hardware tools and software tools, each serving specific diagnostic purposes. Hardware Tools Hardware tools provide physical testing capabilities for network infrastructure components and are essential for diagnosing cable and connectivity issues. Cable Tester A cable tester, also known as a media tester, verifies the integrity of network cables. It checks ...
Read MoreWhat are the basic building blocks of IPSec VPN tunnelling?
The basic building blocks of IPSec VPN tunneling work together to create secure network connections over the internet. IPSec (Internet Protocol Security) provides authentication, integrity, and confidentiality for data transmission through several key components. IPSec VPN Building Blocks Authentication Header (AH) Encapsulating Security Payload (ESP) Internet Key Exchange (IKE) Diffie-Hellman Key ...
Read MoreDifferentiate between Arp and BGP
ARP (Address Resolution Protocol) and BGP (Border Gateway Protocol) are two fundamentally different networking protocols that operate at different layers and serve distinct purposes in computer networks. ARP is a protocol used to map IP addresses to MAC addresses within a local network segment. When a device needs to communicate with another device on the same network, it uses ARP to discover the physical MAC address corresponding to the known IP address. BGP is an exterior gateway protocol used to exchange routing information between different autonomous systems on the internet. It determines the best paths for data to ...
Read MoreWhat are ultra-dense networks and new services and applications in 5G networks?
Ultra-Dense Networks (UDN) and 5G's new services represent transformative technologies that enable unprecedented connectivity and performance in wireless communications. Let us understand these key 5G innovations. Ultra-Dense Network An Ultra-Dense Network (UDN) is a critical 5G deployment scenario that dramatically increases the density of base stations and small cells to enhance network capacity and user experience. UDN achieves this through strategic densification of network infrastructure. Ultra-Dense Network Architecture Macro Cell ...
Read More