Question: What is TCP/IP?
TCP/IP are two separate protocols, independent of each other.
TCP is Transmission Control Protocol, defines the protocol for one host (host application) to talk to another.
Layer four of the OSI/ISO model. TCP is connection orientedand treats data as a stream.
Ip is Internet Protocol, defines the protocol that gateways use to identify networks, and paths to networks and
hosts. Handles the routing of data between networks. IP is a
connectionless protocol and treats all data as datagrams.
TCP/IP has been in use for more than 20 years, and time has proven it to be a
tested and stable protocol suite.
Question: What is Network?
A network is a collection of computers or computer-like devices that
can communicate across a common transmission medium
Question: What is Network Protocols?
A network protocol is a system of common rules that helps define
the complex process of transferring data.
The data travels from an application on one computer,
through the computer's network hardware, across the transmission medium to
the correct destination, and up through the destination computer's network hardware
to a receiving application
Question: What is Address Resolution Protocol (ARP)?
The computers on a local network use an Internet layer protocol
called Address Resolution Protocol (ARP) to map IP addresses to physical addresses.
A host must know the physical address of the destination network adapter in order
to send any data to it. For this reason, ARP is a very important protocol.
Question: What is RARP?
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RARP stands for Reverse ARP.
RARP is the opposite of ARP. ARP is used when the IP address is known but the
physical address is not known. RARP is used when the physical address is known
but the IP address is not known. RARP is often used in conjunction with the BOOTP
protocol to boot diskless workstations.
Question: What is BOOTP?
Many network adapters contain an empty socket for insertion of an
integrated circuit known as a boot PROM.
The boot PROM firmware starts as soon as the computer is powered on.
It loads an operating system into the computer by reading it from a network server
instead of a local disk drive. The operating system downloaded to the BOOTP device is
pre-configured for a specific IP address.
Question: What is Routing?
Routing is the process by which a packet is directed through the internet between its source and
destination.
Question: What are Packets?
Routing is the process by which a packet is directed through the internet between its source and
destination.
Question: What is TELNET?
Telnet, short for TELecommunications NETwork, refers to both the application and the
protocol itself, granting the name a dual role. Telnet provides users a way to log in and
directly access their terminal across a network. This means actual, direct access to the
remotely located computer. Telnet is provided on port 23.
Question: What is SMTP?
SMTP, Simple Mail Transfer Protocol, is the de facto standard for transferring email over networks, primarily the
Internet. All operating systems have email clients that can use SMTP and most, if not all,
Internet service providers use SMTP as their outgoing mail service. There are also SMTP
servers for all operating systems including, but not limited to, Windows 9x/NT/2K/XP/Vista,
MacOS, Unix and variants, Linux, BeOS, and even AmigaOS.
Question: What is IPv4?
In IP protocol version 4, an IP address has 4 bytes.
An IP address uniquely addresses a network interface.
Such a unique address is called a unicast IP address. If a system
uses several network cards (several network interfaces) and all of
them use IP protocol, then every network interface has its own IP
address. It is similar to the address of a house; every house has
only one address.
Question: What is Network Mask?
Network masks are used to help define the network address, which is part of the IP address, namely to specify which bits of the IP address represent the network address. A network mask is a four-byte number. The bits specifying the network address are ones while all the rest are zeros. How the network mask works can be illustrated with an the example using binary notation.
