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What is difference between ARP and RARP?
The address resolution protocol (ARP) is used to associate the 32 bit IP address with the 48 bit physical address, used by a host or a router to find the physical address of another host on its network by sending a ARP query packet that includes the IP address of the receiver.The reverse address resolution protocol (RARP) allows a host to discover its Internet address when it knows only its physical...
rinumca
- Jun 27th, 2008
The adress resolution protocol (ARP) associates an IP address with the physical adress. On a typical physical network (eg: LAN) each device on a link is identified by a physical or station adress usua...
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SATA hard disk
full form of SATA hard disk
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Bharara88- Member Since Jun-2008 | Jun 25th, 2008
Serial Advanced Technology Attachment ( is a computer bus primarily designed for transfer of data between a computer and mass storage devices such as hard disk drives and optical drives.The main advantages over the older parallel ATA interface are faster data transfer, ability to remove or add devices while operating (hot swapping), thinner cables that let air cooling work more efficiently, and more reliable operation with tighter data integrity checks.
Bharara88
- Jun 25th, 2008
Serial Advanced Technology Attachment ( is a computer bus primarily designed for transfer of data between a computer and mass storage devices such as hard disk drives and optical drives.The main advan...
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Set up a network
What do you need to know to set up a network?
netsolver
- Jul 5th, 2008
First u need to specify your network size. Since the network eqiuipments depend upon your sixeeg: Small network u could use as a l2 switch large network a l3/managed switch.Same goes for routers...
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How do you share a printer
MotoRooter
- Jul 27th, 2008
This is how I share a printer on a the LAN You can print from every PC on your network to one printer. To share a printer with the other PCs in your home you need to configure the PC to which the prin...
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Encoding and Modulation
What is difference between encoding and modulation?..? please give me detail of encoding and modulation ?
rrsain
- Jul 29th, 2008
Encoding is assigning binary codes according to algorithm, but modulation is changing the properties of one signal(value) according to properties of another signal.
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What is the routed protocols & routing protocols?
xuyuan
- Aug 4th, 2008
A routing protocol is used by router to dynamically find all the networks in the? internetwork and to ensure that all routers have the same routing table. Basically routing protocol determines the pa...
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Black Screen
What you will do, if you computer boots to the black screen?
erock
- Aug 28th, 2008
1) Check cable between computer and monitor, as well as power to monitor.
2) Boot into safemode - Check status of driver, and run diagnostic on video card. - if no video try putting in a new video card and restart with step 2
3) Restore to previous bootable configuration
4) Re-install OSalimrash
- Jun 24th, 2008
1) Check if the system completes POST and the boot sector is read.2) If boot sector is read and OS files are loaded, try using LKGC in advanced boot menu, if it fails try to boot int...
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What is a SEGMENTED NETWORK?
arpit747
- Aug 28th, 2008
Seagment is a PDU (Packet Data Unit) of layer 4 transport layer.seagmant is made of
destination port no
senders port no
data
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What is the difference between simplex and duplex.
arpit747
- Aug 28th, 2008
Duplex1 half duplex-channel can either sending or receiving at a time.
2.full duplex-channel can both send and receive at a time. Examples
duplex-cable service, can receive only.half duplex-walky talkyfull duplex-internet, mobile phone.meefriend4ever
- Nov 29th, 2007
basically there 4 modes of data transmission1)simplex2)half duplex3)full duplex4)full full duplexsimplex - one way?communication that is either reception or transmissionhalf duplex - two way ?communication that is receiving or transmitting data "but not at SAME TIME "
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What is Active Directory
manishtripathi
- Sep 20th, 2008
Active directory is directory service introduced with MS Windows 2000 Server that acts as a central repository for all the objects in a network, includes share files, applications, devices and compute...
MotoRooter
- Jul 27th, 2008
Active directory (sometimes referred to as an AD) does a variety of functions including the ability to provide information on objects, helps organize these objects for easy retrieval and access, allow...
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Ping Death Packet
What is ping to death packet?What is the size of ping to death packet?/
manishtripathi
- Sep 20th, 2008
POD (Ping of Death) is a type of attack at computer in a network that involves sending of a larger size malicious ping to a computer. A ping is normally 64 bytes in size.Many computers can not handle ...
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Default Subnet Mask for IPV6
What is the default subnet mask for IPV6?
ramzpriya
- Oct 29th, 2008
There are 3 address types in v6 - Unicast, anycast, and multicast. Unicast addresses identify a single network device, anycast and multicast addresses identify a group of network devices. IPv6 address...
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Explain in detail about the working of SWITCH in Networking
mohammed tarique
- Dec 1st, 2008
Switch is a data link layer device that connect multiple LAN segments to form a single network segment. In switch when we transmit the data first it examine the data packets for source and destina...
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Explain about Scan Disk ? How scan disk fixes errors ?
viraj.tillu
- Dec 9th, 2008
It is a tool used to check and repair disk related errors like,1. Bad Sector2. Partition Table3. Cross Link File4. Currup File etc.
manoes
- Sep 25th, 2008
Scandisk is Windows' general-purpose hard drive diagnostic utility. It will find and fix any data errors present on the drive. A "standard" scan checks for any data errors on the drive. ...
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What is attenuation?
The degeneration of a signal over distance on a network cable is called attenuation.
rrsain
- Jan 12th, 2009
When we transmit any signal, the signal strength is degraded because of losses, interference, this is called attenuation of the signal. To reduce attenaution, repeaters are used to boost the signal strength.cheersrupesh
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ISP Protocol
Which protocol is used to communicate between client and ISP?
tituxjec
- Mar 12th, 2009
OSPF is used. Because it is considered to be the most efficient IGP(interior gateway protocol). BGP is more widely used as exterior gateway protocol(EGP).
prabhub
- Jan 13th, 2009
I would assume BGP to communicate with the ISP and IGP to communicate with the hosts internal to the network
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IP V6 PING
How do you ping from one host to another in IPv6 without ARP?
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What is the difference between .pst and .ost files used in outlook.
ezjensen
- Apr 13th, 2009
.pst files are all the emails (and files attatched to those emails), calendar, contacts, tasks, etc. stored locallyon your machine..pst are created when using Outlook to manage your email (Gmail...
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Install Printer in Network Environment
You have been given 1 printer and 1 IP Address for installing it in a Networking EnvironmentHow will you do it?
coolkmn
- Apr 20th, 2009
Go to the start menu - setting - printers and fax - add a printer - local printer attached to this pc - create the new port - select the standard tcp/ip protocol - and enter the ip address and inser...
vinothkr
- Feb 23rd, 2009
Just you go to the start menu -> setting -> printers and fax -> add a printer -> local printer attached to this pc -> create the new port -> select the standard tcp/ip protocol -> and ...
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What is cladding?
A layer of a glass surrounding the center fiber of glass inside a fiber-optic cable.
Crsna Suneel
- May 19th, 2009
Material placed on the exterior of wood frame and sash components to provide ease of maintenance. Common cladding materials include vinyl and extruded or roll-formed aluminum
Computer Networks Interview Questions
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