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What is VPN? Is RAS and VPN one and the same?How do I determine that My computer is part of correct network and is getting a Valid IP?
aarsh
- Jun 24th, 2009
SD RAM:SDRAM is Single Data Rate meaning that SDRAM can accept one command and transfer one word of data per clock cycle. Typical speeds of SDRAM are 100 and 133 MHz.DDR SDRAM:DDR SDRAM transfers data...
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Access a File on Another Computer
A person would like to access a file on another computer (connected via LAN) while working with safe mode. What should he do?
jethin
- Jun 22nd, 2009
In safemode itself he can use telnet to access file on the other system in the same LAN
sashok_001
- Aug 23rd, 2008
The User has to restart the PC and Getting into the Safe mode with networking
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TCP IP Integration
TCP is reliable in communication whereas IP is Non-reliable. Why it is integrated into one and given as TCP/IP protocol?
sudhavijay
- Jun 17th, 2009
Reliability not achieved at lower layers shall be implemented at the higher layers and more importantly each Layer in TCP/IP protocol suite is responsible for some network operations. IP though unrel...
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Cable Length
Why do we have a minimum and maximum cable length requirement
badariprasad
- Jun 5th, 2009
The min and max cable length is required because the signals can travel effectively without loosing their strength to that extent you can increase the cable length apart from preferred by using the repeaters after the length so that the signals will be boosted again.
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What are the important topologies for networks?
BUS topology:In this each computer is directly connected to primary network cable in a single line.Advantages:Inexpensive, easy to install, simple to understand, easy to extend.STAR topology:In this all computers are connected using a central hub.Advantages:Can be inexpensive, easy to install and reconfigure and easy to trouble shoot physical problems.RING topology:In this all computers are connected...
Crsna Suneel
- May 19th, 2009
There are five topologies for networks 1. Ring Topology 2. Star Topology. 3. Bus Topology. 4. Mess Topology. 5. Hybrid Topology.Now a days we are using EXTENDED STAR topology. It is fast & reliable topology.
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What is passive topology?
When the computers on the network simply listen and receive the signal, they are referred to as passive because they don’t amplify the signal in any way. Example for passive topology - linear bus.
Crsna Suneel
- May 19th, 2009
When the computers on the network simply listen and receive the signal, they are referred to as passive because they don't amplify the signal in any way. Example for passive topology - linear bus.
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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
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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 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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IP V6 PING
How do you ping from one host to another in IPv6 without ARP?
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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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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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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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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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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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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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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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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 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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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...
Computer Networks Interview Questions
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