software

Little about Windows Registry

February 1, 2011

Description of the registry Registry is a central hierarchical database used in Microsoft Windows 98, Windows CE, Windows NT, Windows 2000 and WindowsXP used to store information that is necessary to configure the system for one or more users, applications and hardware devices. The Registry contains information that Windows continually references during operation, such as [...]

Read the full article →

Little about Organizational Units

January 26, 2011

An Overview of Organizational Units (OUs) An organizational unit (OU) is a container that is used to logically organize and group Active Directory objects within domains. OUs are not part of the DNS namespace. They are used to organize Active Directory objects into logical administrative groups. OUs therefore serve as containers in which you can [...]

Read the full article →

Basic things about Data Encryption

January 26, 2011

Please click on this link-  Little about Data Encryption

Read the full article →

How to determine serial numbers for cisco router and Catalyst switch

January 25, 2011

For Cisco Routers If you want to know the chassis serial number for your router use the following command Router> sh inventory Output NAME: “2821 chassis”, DESCR: “2821 chassis”PID: CISCO2821  , VID: V04 , SN: FCZ10231VG NAME: “WAN Interface Card – Serial 2T”, DESCR: “WAN Interface Card – Serial 2T”PID: WIC-2T   , VID: V01, SN: [...]

Read the full article →

NetBEUI

January 24, 2011

NetBIOS, NetBEUI, and SMB are Microsoft Protocols used to support Microsoft Networking. The NetBIOS stack includes SMB, NetBIOS, and NetBEUI which are described in the table below. The following are parts of the Microsoft networking stack: Name Network Layer Description Redirector Application Directs requests for network resources to the appropriate server and makes network resources [...]

Read the full article →

Address Resolution Protocol

January 24, 2011

ARP and RARP Address Translation Address Resolution Protocol (ARP) provides a completely different function to the network than Reverse Address Resolution Protocol (RARP). ARP is used to resolve the ethernet address of a NIC from an IP address in order to construct an ethernet packet around an IP data packet. This must happen in order [...]

Read the full article →

Virtual Private Networking (VPN)

January 24, 2011

The most confusing part of VPN is that many acronyms show up. This is partly because VPN requires data encryption to be “private” and there are many encryption techniques and terms. Also there are many complicated security issues relating to VPN concerning encryption and user authentication. This section will first explain the concept and methodology [...]

Read the full article →

Broadcasting and Multicasting

January 24, 2011

Network interface cards are usually programmed to listen for three types of messages. They are messages sent to their specific address, messages broadcast to all NICs, and messages that qualify as a multicast for the specific card. There are three types of addressing: 1. Unicast – A transmission to a single interface card. 2. Multicast [...]

Read the full article →

Communication Devices in Computer Network

January 21, 2011

An electronic device that can send and receive data on the network is called the communication device. The communication devices are used on both ends of the connections. Most of the communication devices have the ability to convert the digital signal of computer into analog signal so that the signals can be transmitted on the [...]

Read the full article →

What is VOIP Network

January 18, 2011

VOIP is simply a transmission of the voice traffic over IP networks. VOIP is a family of technologies, in which IP networks are used for the voice applications and traffic e.g IP telephony, voice chat and teleconferencing. VOIP gives solution at almost every layer of the IP network. The Internet Protocol was developed and designed [...]

Read the full article →

Little about Ethernet

January 18, 2011

The IEEE standards have been developed by the International Standards Organization (ISO). The Institute of Electrical and Electronic Engineers (IEEE) in 1985 produced a series of standards for the Local Area Networks, which are called IEEE 802 standards. These standards have been accepted widely throughout the IT world. One of the IEEE 802 standards, the [...]

Read the full article →

Little about TCP/IP

January 18, 2011

TCP/IP short for Transmission Control Protocol is a suite of the communication protocols used to connect the hosts on the internet. TCP and IP were developed by a department of defense (DOD) in a research project to connect the number of networks by different vendors to form a big network of networks (the Internet). It [...]

Related Posts Plugin for WordPress, Blogger...
Read the full article →

← Previous Entries