MQTT represents Message Queuing Telemetry Transport. It is a highly lightweight and publish-subscribe messaging transport protocol. This protocol is helpful for the connection with the remote location where the bandwidth is a premium. These features make it useful in multiple situations, including a stable environment such as communication machine to ... Read More

I2C stands for the inter-integrated controller. This is a serial communication protocol that can connect low-speed devices. It is a master-slave communication in which we can connect and control multiple slaves from a single master. In this, each slave device has a specific address.The I2C is developed to overcome the ... Read More

Windows NT was produced by Microsoft in July 1993. Its 1st version was Windows NT 31 and windows 31 advanced server. It is processor independent multiprocessing, multiuser and component based on 2000.FeaturesThere are various features of Windows NT, which are as follows −It implements pre-emptive multitasking and multithreading operations.It supports ... Read More

A firewall is a network security device that monitors incoming and outgoing network traffic and permits or blocks data packets based on a set of security rules. Its purpose is to establish a barrier between your internal network and incoming traffic from external sources (such as the internet) to block ... Read More

A firewall is a network security tool that monitors incoming and outgoing network traffic and determines whether to allow or block definite traffic based on a defined collection of security rules.The primary purpose is to enable non-threatening traffic and avoid malicious or unwanted data traffic for protecting the system from ... Read More

VLAN stands for Virtual LAN. It is a logical grouping of network devices. When we create VLAN, we break the large broadcast domain into smaller broadcast domains. Consider VLAN as a subnet. The same as two different subnets cannot communicate without a router, and different VLANs also require the router ... Read More

MIB stands for Management Information Base. It is a hierarchical virtual database of network (or other entity) objects describing a device being monitored by a network management system (NMS). A MIB can be used by Simple Network Management Protocol (SNMP) and remote monitoring 1 (RMON1).The MIB database of objects is ... Read More

SMI stands for Structure of Management Information. It defines the rules for describing managed objects. In the SNMP framework, managed objects reside in a virtual database called the management information base (MIB). Collection of related objects are defined in MIB modules. The modules are written using a subset of abstract ... Read More

The manager sends a request to an agent, and the agent responds to the request, known as Request/Response interaction. The request is usually used to retrieve or modify management information associated with the network device.Requests which are generated by the manager can be as follows −Get request-PDU − In this ... Read More

SNMP stands for Simple Network Management Protocol. It is an Internet-standard protocol for handling devices on IP networks. Devices that typically provide SNMP include routers, switches, servers, workstations, printers, modem racks, and more. It is used mainly in the network management framework to monitor network-attached computers for conditions requiring regulatory ... Read More