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Token Ring Segment
You need to connect a Token Ring segment to an Ethernet segment. Would you use a router, a brouter , or a bridge ?
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Network Negotiation
What does negotiation mean when discussing network protocols?
vijaykwt
- Apr 20th, 2010
The Difference Between Half and Full Duplex."Duplex" simply means you're able to send and receive data (most often the human voice) from the same device whether that be with your phone, 2-wa...
zeeshanexpert
- Mar 30th, 2010
Negotiation has to do with getting both sides to agree on some parameters or values to be used during the communication. Maximum packet size is one example, but there are many others.
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Missing NTLDR File
Windows crashed because NTLDR File is missing. How will you restore this file (Without using Safe Mode Option)?
kamalakar2000
- Jul 23rd, 2010
Step 1Locate your windows xp/2000 install disk and place it in your CD/DVD ROM drive. If you do not have this disk then you cannot proceed any further.Step 2Restart your computer or turn it off then b...
kumadine
- Dec 18th, 2009
Insert CD in CD-Drive then boot system from CDCopy ntldr file from CD and paste this file to C: drive corresponding folder and then restart this system
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Read a Switch
You are given only the IP address of the switch but not the port number. How will you read that switch?
sonet
- Aug 4th, 2010
If the switch has an Ip address, you telnet to the switch and provided that there is no password set either at virtual terminals or to enter the privileged mode, you can enter privileged mode and write sh run and read the running config.
sonet
- Aug 4th, 2010
A switch can have an Ip address for telnetting purpose.So, if you telnet to the switch, and if you have no password on Telnet you can access the switch (provided that there is no privileged mode password set) and then 'Show Run' , you can read the running configuration.
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Which protocol is used for retrieving mails?
artesantosh
- Oct 11th, 2008
POP protocol (port number 110) used for retriving mail in micosoft outlook.
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Connect and Configure
There are four routhers and 4 swiches and 40 computers in an office. How will you connect each devices and configure those devices?
haisudha123
- Oct 13th, 2010
This is using different network build purpose, so connect first router to first switch and connect 10 nodes with first switch, this is one network ex:192.168.1.0 networkand connect second router...
nawin_54
- May 12th, 2010
Ahmed, based on requirement we connect the networks, you didn't mention the series of switches and routers.
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How Gateway is different from Routers?
A gateway operates at the upper levels of the OSI model and translates information between two completely different network architectures or data formats.
Piyush Verma
- Nov 3rd, 2010
Router is only used to transfer a packet from one network to another but if protocols of both side networks are diffrent then Getway is used to translating protocols.Ex: WAN to LAN
nandanmehta
- Jan 4th, 2010
Gateway is nothing but the final point that the data crosses finally in a network,it is mostly used for user authentication which router cannot provide.Gateways can provide authentication to ano...
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VPN Network Protocols
Benefits of VPN ? Difference between L2TP and PPTP Protocols
vishnurajr
- Dec 15th, 2010
A Virtual Private network (VPN) allows the creation of private networks
across the internet, enabling privacy and tunneling of non-TCP/IP protocols.
Three different categories of VPNs:
They are Remote access VPNs, Site -to-site VPNs, Extranet VPNs.
VISHNU RAJ.R
prasanna168
- Dec 13th, 2007
A Virtual Private Network ( VPN) delivers private network services over a public infrastructure. An IP VPN is a partitioned private network constructed over a shared IP-based backbone that utili...
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how do you use VPN to connect branch office to the other office ?
bangers
- Dec 21st, 2010
There is no one answer for this very broad question. You can use Microsoft IAS, Cisco, Juniper, etc. Basically you need to use a routing protocol of some sort to connect the two offices. This would ty...
ah.alqahtani
- May 24th, 2010
You have to download "Cisco Systems VPN Client" program, and also to get the .pcf file, which must contains the host IP and your username.... I hope that I gave you the key for your answer.
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Configure two DHCP Servers
How to configure two DHCP Servers using 2 swithces with 1 DSL. Keep in mind we cannot use any other additional equipment.
naveenbhatiya2007
- Jan 27th, 2011
You configure what is known as Network Address Translation (NAT) on the router. This then translates the IP address of the server, which is likely to be a 10.x.x.x or 192.168.x.x address, to be the IP...
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What is difference between layer 2 and layer 3 switch ?how much bandwidth support by V.35 and RS 232 cable What is difference between V.35 and RS 232 Cable
xuyuan
- Aug 4th, 2008
Layer 2 switch forward or filter frames, layer 3 switch (router)?use logical addressing and provide packet switching. Router also provide packet filtering by using acess list and when connect two or ...
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What is the subnet mask of class a,b,c,d,e.and what is the minimum and maximum number of connections in class a,b,c,d,e
netsolver
- Jul 5th, 2008
N - networkH - HostClass A - 0nnnnnnn hhhhhhhh hhhhhhhh hhhhhhhh 126 Class As exist (0 and 127 are reserved) 16,777,214 hosts on each Class A Class B - 10nnnnnn nnnnnnnn hhhhhhhh hhhhhhhh First two bi...
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Layer2 software design
Hi Board members, I have good knowledge with unix internals and programming. But suddenly I wanted to become a datacom developer.. lol. I have read a good amount about networking and various layer 2 protocols and some routing protocols. However, I could not find any material discussing about the layer2 software design itself. Though I learnt protocols I am not able to face Layer 2 interviews from a...
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What is the difference between collision domain and broadcast domain?
radhesham
- Jun 21st, 2011
Collision is intersection of two or more data at a particular point which results in Loss of data.
Broadcasting is sending data or information to every node, ports in a network
kapil
- Feb 16th, 2007
Broadcast domain is the logical address scheme in which a user can acess any other networking address without any routing devicebut in collision domain that is the combination of the single segment and multiple segments through repeter
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What is ipv6 ? how many octects is it ?
Thomas Whitten
- Jun 27th, 2011
IPv6 is basically the response to the fact that the world is/was running out of public ip addresses.? The best example of stupidity leading to the problem is universities handing out public IP addres...
addagalla
- Aug 5th, 2008
Ipv6 means Internet Protocol Version 6. It is the latest version. It has 16 octates.It is in Hexadecimal format.
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What is Private IP? Give an example?
Thomas Whitten
- Jun 27th, 2011
In the WAN topology, a network is divided usually by the firewall into the 'outside' or public IP addresses and the 'inside' or private IP addresses.? The is done because public IP addresses (provide...
kirankumar.ray
- Jul 16th, 2008
The address which can't be routed through public (internet) are private ip addressesand it is scheam of saving public addressex:in class A range is10.0.0.0 to 10.255.255.255
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What is layer-3 switch?
Thomas Whitten
- Jun 27th, 2011
A layer 2 switch provides connectivity but doesn't act upon the packets at all.? These switches are often found in small offices, your home or on the very edge of a LAN to provide Internet or client/...
sony
- Sep 15th, 2006
A layer 2 switch provides switchingA Layer 3 switch provides Switching as well as Routing
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What is Active Directory? How does it work?
tosine
- Oct 18th, 2009
Active directory is a directory that enables organisation to create a scalable, secured and manageable infrastructure for user and resource management and to support directory-enabled application. It...
giri_adepu
- Jun 2nd, 2008
In windows 2000 and 2003 environment ads is a power full sercice ,active directory mainly used for maintaing and promotion of entire company into centralized network administration .it means domine evironmnet
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Difference between the communication and transmission.Transmission is a physical movement of information and concern issues like bit polarity, synchronisation, clock etc.Communication means the meaning full exchange of information between two communication media.
siyanat
- May 4th, 2008
Transmission means sending some information or data from 1place to another but only transmit where as at receiving end we can not b sure whether it is received or not.communication means two way communication for eg if u send any info or data that must be received at the receiving end
reehan10
- Mar 29th, 2008
Communication device is the terminal or the endpoint wishing to communicate....eg:computer...communication media is the medium used for the communication eg:cable.hope the answer to your question
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What is point-to-point protocol?
A communications protocol used to connect computers to remote networking services including Internet service providers.
Piyush Verma
- Nov 3rd, 2010
It is a data link layer protocol that is used to provide direct link between nodes. It can provide connection authentication, transmission encryption or privacy and compression.
adityawalia9
- Jun 15th, 2010
Point-to-Point Protocol is a data link protocol. It is a byte oriented protocol (data will be treated a byte).It does not have any flow control (and error control is also limited). It is used wh...
Computer Networks Interview Questions
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