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RAS is truly a local AREA connection between TWO connections whereas, VPN is a local connection spread over LARGE area.

RAS is truly a local area connection between two connections whereas, VPN is a local connection spread over large area.

VPN means Virtual Private NETWORK. It is a private COMMUNICATIONS network often used by companies or ORGANIZATIONS to COMMUNICATE confidentially over a public network. This is used by the mobile users in the network.

VPN means Virtual Private Network. It is a private communications network often used by companies or organizations to communicate confidentially over a public network. This is used by the mobile users in the network.

RAS means Remote ACCESS Server. It allows operating the tool or information that typically resides on a network or IT devices through COMBINATION of hardware and software, for example connecting to PRINTER or file.

It is usually used for mobile users who are in the network. It uses telephone LINE to provide connectivity to its users. It can also connect two or more than two offices in the network.

RAS means Remote Access Server. It allows operating the tool or information that typically resides on a network or IT devices through combination of hardware and software, for example connecting to printer or file.

It is usually used for mobile users who are in the network. It uses telephone line to provide connectivity to its users. It can also connect two or more than two offices in the network.

The two TYPES of operating SYSTEMS are:

NOS : NETWORK Operating System. Examples of NOS- Windows NT, 2000,2003

SOS : SIMPLE Operating System. Examples of SOS – Windows 95,98, ME

The two types of operating systems are:

NOS : Network Operating System. Examples of NOS- Windows NT, 2000,2003

SOS : Simple Operating System. Examples of SOS – Windows 95,98, ME

Operating SYSTEM ACTS as an interpreter between computer application and hardware. It works as an USER INTERFACE.

Operating system acts as an interpreter between computer application and hardware. It works as an user interface.

You need to re-install ANOTHER system, latest anti-virus software and an O.S with latest patches. Before you start your system, CONNECT the infected HDD as a secondary drive then scan and clean the infected hard drive. Once done, you can copy the files into the system.

You need to re-install another system, latest anti-virus software and an O.S with latest patches. Before you start your system, connect the infected HDD as a secondary drive then scan and clean the infected hard drive. Once done, you can copy the files into the system.

Domain is a set of computers which network recognized by the internet. It can be USED by centrally administer computers. It is CREATED when you install ACTIVE DIRECTORY.

Domain is a set of computers which network recognized by the internet. It can be used by centrally administer computers. It is created when you install active directory.

Cross cables are used to CONNECT TWO computers without using SWITCHES.

Cross cables are used to connect two computers without using switches.

IPCONFIG COMMAND is used to display the IP information of the computer assigned LIKE DNS IP address and gateway IP address.

IPCONFIG command is used to display the IP information of the computer assigned like DNS IP address and gateway IP address.

‘A’ record is also known as host record, and it has ABILITY to map the IP ADDRESS by name. It is with this record that DNS can find out the IP address of a name. While, ‘MX record’ also known as mail exchanger record, by the HELP of ‘MX’ record, location of the mail server is identified. The record is also found in DNS.

‘A’ record is also known as host record, and it has ability to map the IP address by name. It is with this record that DNS can find out the IP address of a name. While, ‘MX record’ also known as mail exchanger record, by the help of ‘MX’ record, location of the mail server is identified. The record is also found in DNS.

When we CONVERT IP address into names is CALLED REVERSE lookup, while converting names into IP address is called Forward lookup.

When we convert IP address into names is called Reverse lookup, while converting names into IP address is called Forward lookup.

DNS MEAN Domain NAMING Service and it is USED for RESOLVING IP addresses to NAME and names to IP address. DNS is like a translator for computers, computers understand the number and not the alphabet. For example, if we type like hotmail.com, the computer don’t understand this so they use DNS which converts (hotmail.com) into (numbers) and then executes the command.

DNS mean Domain Naming Service and it is used for resolving IP addresses to name and names to IP address. DNS is like a translator for computers, computers understand the number and not the alphabet. For example, if we type like hotmail.com, the computer don’t understand this so they use DNS which converts (hotmail.com) into (numbers) and then executes the command.

Scope consists of an IP address LIKE gateway IP, SUBNET mask, DNS server IP. It can be used to COMMUNICATE with the other PCS in the network. The superscope becomes when you combine TWO or more scopes together.

Scope consists of an IP address like gateway IP, subnet mask, DNS server IP. It can be used to communicate with the other PCs in the network. The superscope becomes when you combine two or more scopes together.

DHCP stands for dynamic host configuration protocol. It is used to ALLOCATE IP ADDRESSES to a large number of the computer SYSTEM in a network. It helps in MANAGING the large number of IP’s very easily.

DHCP stands for dynamic host configuration protocol. It is used to allocate IP addresses to a large number of the computer system in a network. It helps in managing the large number of IP’s very easily.