IT Professionals

Q1. What is public IP address? Ans. A public IP address is an address leased from an ISP that allows or enables direct Internet communication. Q2. What's the benefit of subnetting? Ans. Reduce the size of the routing tables. Reduce network traffic. Broadcast traffic can be isolated within a single logical network.Provide a way to secure network traffic by isolating it from the rest of the network. Q3. What are the differences between static IP addressing and dynamic IP addressing? Ans. With static IP addressing, a computer (or other device) is configured to always use the same IP address. With dynamic addressing, the IP address can change periodically and is managed by a centralized network service Q4. What is APIPA? Ans. Automatic private IP addressing (APIPA) is a feature mainly found in Microsoft operating systems. APIPA enables clients to still communicate with other computers on the same network segment until an IP address can be obtained from a DHCP server, allowing t...

Management Ports Routers have physical connectors that are used to manage the router. These connectors are known as management ports. Unlike Ethernet and serial interfaces, management ports are not used for packet forwarding. The most common management port is the console port. The console port is used to connect a terminal, or most often a PC running terminal emulator software, to configure the router without the need for network access to that router. The console port must be used during initial configuration of the router. Another management port is the auxiliary port. Not all routers have auxiliary ports. At times the auxiliary port can be used in ways similar to a console port. It can also be used to attach a modem. Auxiliary ports will not be used in this curriculum. The figure shows the console and AUX ports on the router. Router Interfaces The term interface on Cisco routers refers to a physical connector on the router whose main purpose is to receive and forward packets. Rout...

After exchange server installation how to access ecp   Open the browser and type https://" your server name "/ecp/ After enter you will see this login  Finally we are here ...

CPU consists of the following features: CPU is considered as the brain of the computer. CPU performs all types of data processing operations. It stores data, intermediate results and instructions(program). It controls the operation of all parts of computer. CPU itself has following three components. Memory or Storage Unit Control Unit ALU(Arithmetic Logic Unit) Memory or Storage Unit This unit can store instructions, data and intermediate results. This unit supplies information to the other units of the computer when needed. It is also known as internal storage unit or main memory or primary storage or Random access memory(RAM). Its size affects speed, power and capability. Primary memory and secondary memory are two types of memories in the computer. Functions of memory unit are: It stores all the data and the instructions required for processing. It stores intermediate results of processing. It stores final results of processing before these re...

Computers can be broadly classified by their speed and computing power. Sr.No. Type Specifications 1 PC (Personal Computer) It is a single user computer system having moderately powerful microprocessor 2 WorkStation It is also a single user computer system which is similar to personal computer but have more powerful microprocessor. 3 Mini Computer It is a multi-user computer system which is capable of supporting hundreds of users simultaneously. 4 Main Frame It is a multi-user computer system which is capable of supporting hundreds of users simultaneously. Software technology is different from minicomputer. 5 Supercomputer It is an extremely fast computer which can execute hundreds of millions of instructions per second. PC (Personal Computer) A PC can be defined as a small, relatively inexpensive computer designed for an individual user. PCs are based on the microprocessor technology that enables manufacturers to put an entire CPU on one chip. Businesses use personal com...

Exchange Server 2013 delivers a number of new features as well as improvements on existing features that are already familiar to those who have worked with Exchange Server 2010. Here are a few of the highlights: Reduction in  server roles  from five to three; Client Access server, Mailbox server, and Edge Transport server. New streamlined Outlook 2013 and Outlook Web App user interfaces, and offline access for OWA. No more Exchange Management Console, all administration is now performed using the new web-based  Exchange Administration Center  and the Exchange Management Shell (using PowerShell 3.0). Improvements to high availability features and manageability. Public folders are now stored in mailbox databases and can take advantage of Database Availability Groups for replication and high availability. Data loss prevention capabilities that can be integrated into  Transport Rules