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Computer Networking

Computer networks are collections of computers which are connected together in order to communicate and transfer information. Questions about computer networks, networking protocols, and how to set them up belong here.

18,810 Questions

Does ip address has exactly three periods?

Yes. Not less, no more. Just like in the Quest of the Holy Grail;

And the Lord spake, saying, 'First shalt thou take out the Holy Pin. Then, shalt thou count to three. No more. No less. Three shalt be the number thou shalt count, and the number of the counting shall be three. Four shalt thou not count, nor either count thou two, excepting that thou then proceed to three. Five is right out. Once the number three, being the third number, be reached, then, lobbest thou thy Holy Hand Grenade of Antioch towards thy foe, who, being naughty in My sight, shall snuff it.'

Can you Extend an apple Airport Extreme wireless on to a Airport express then run a Ethernet cord from the Airport express to a X-box 360?

A wireless network can be extended with a Airport express unit. Apple has a support page explaining the set up (See links below). An Xbox 360 can simply connect to this wireless network or you can probably arrange the set up to use an Ethernet connection.

Why does electricity take the shortest path?

because resistance is proportional to the wire's length's .

electricity moves from a higher potential to a lower one.

Potential = current intensity x resistance, thus potential increases when resistance does.

eventually electricity will not choose the longer path because it has a higher potential.

What is the 224.0.1.24 address used for?

WINS server group address. Used to support autodiscovery and dynamic configuration of replication for WINS servers. For more information, see WINS replication overview WINS server group address. Used to support autodiscovery and dynamic configuration of replication for WINS servers. For more information, see WINS replication overview

by following the below link

http://technet2.microsoft.com/WindowsServer/en/library/c0addcc8-27ba-4250-8b6b-7b3465ab29731033.mspx

The default gateway is not on the same network segment subnet that is defined by the IP address and subnet mask?

Yes, it must be on the same network segment or you won't be able to route a packet outside of your network segment.

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In simple home networks, the default gateway will be within the scope of the subnet mask. Some devices will enforce this (artificial) requirement.

But it's entirely possible to engineer a network with a gateway that is not within the scope of the subnet mask (if the device will allow it). Image two logical networks that run on the same physical network. It's just not a common configuration.

What is Subnet mask for ip address 64.100.19.94?

There isn't just a single subnet mask that could be used for that address. The default subnet mask would be 255.0.0.0, but there could be others if the network is subnetted.

What describes wireless LAN?

If you mean, "What is a wireless LAN?" The answer is simple. A wireless LAN is a network that connects multiple computers, gaming consoles, and gaming devices and allows them to connect to the internet, but only if they are capable of using wireless. Wireless LAN is achieved by using a wireless router. LAN stands for Local Area Network.

Can you take 2 wireless routers and make one of them into a bridge or repeater to pick up signals from the other router far away?

I have a wireless router and a wireless network adapter. I have the wireless network adapter (CAT5 not USB) connected to the WAN port on my router. I set the network adapter to connect to the other wireless network, then I can get internet rebroadcast through my router. I use Airlink 101 router and D-link wireless network adapter DD-WRT provides firmware for many types of routers that allows you to setup a wifi router as a bridge or a repeater. Repeater mode will work better as you do not have to assign a static IP address. By flashing your router with this firmware, your basically multiplying the value of your router by 5. Routers that work best for this: older models of linksys, usually a wrt54gs or a wrt54gl, and also buffalo routers, but good luck finding buffalo routers. For more info, visit http://www.dd-wrt.com.They have their own wiki section and will provide you with PLENTY of information to get this done.

What are the advantages of using Activity on arrow diagrams Gantt chart and network diagrams for project planning?

Advantages of a network diagram The network diagram display logical relationships among the various activities that take place within a project. It also allows the project manager to see how the various activities flow towards to completion of the project in a sequential manner. It provides an overview as to how resources are utilized in a project for a given time period which could help the manager to perform resource leveling if necessary. Advantage of a AoA diagram An activity on arrow diagram uses Finish-to-Start relationship between tasks. It can be utilized when scheduling and monitoring tasks within a complex project or process of inter-related tasks and resources. It can also be utilized to determine the Critical path of a project for a given scope. It also provides an overview of tasks and inter-related activities. Advantage of a Gantt Chart Gantt charts illustrate the start and finish dates of the terminal elements and summary elements of a project. Gantt charts have become a very common technique for representing phases and activities of a certain project, thus they are understood by a wide audience. Gantt charts also provide an excellent presentation tool for illustrating groups of milestones and demonstrating individual resources scheduled to time. Gantt charts can also be used in status reporting to show how much of the plan has been completed by displaying the progress of an activity by representing it in bars (These bars can be linked or unlinked as preferred to by a user)

Why Can't you delete Network Bridge Icons?

I have seen this issue, and I will try to help you. First off, a "network bridge" serves to connect your computer to multiple networks. However, a network bridge is not your "internet connection." You can remove this and still use the internet. If you use your computer on two networks simultaneously (rare) then a network bridge will let you share files over, or use the internet connection of two networks. Most home users only need to be part of one home network MSHOME or WORKGROUP. (to see which domain or network you are part of go to Control Panel -> System -> Computer Name)

Sometimes, if you right click on the Network Bridge Icon, and you get an error message when trying to delete or disable the network. First, make sure you have administrator privileges. (You are the "administrator" if you can go to the Start -> Control Panel and edit Windows firewall.)

A quick and dirty way to remove the bridge is to go to Start -> Control Panel -> System -> Device Manager delete the Mac Miniport Bridge.

Then, the "network bridge" icon in "connections" should disapear.

If you encounter anymore problems, please use one of the many FREE spyware/virus scanners such as AVG, adaware, or spybot S&D to make sure you don't have a backdoor Trojan installed.

Goodluck

In a Cisco Router What is the ip domain lookup command used for?

Enables DNS-based host name-to-address translation. This feature is enabled by default. So if you type something that appears to be a hostname the router will try to resolve it. This will happen three times, waiting for the dns request to time out. This can take a lot of time and when your trying to get things done could become annoying...

Translating "router123"...domain server (255.255.255.255)

Translating "router123"...domain server (255.255.255.255)

Translating "router123"...domain server (255.255.255.255)

To disable:

Router(config)#no ip domain lookup

In older versions of IOS the command was actaully no ip domain-lookup

What port does utorrent use?

You set the port that uTorrent uses at Options>Preferences>Connection

How do you find your ip address code?

windows: type ipconfig in cmd shell linux: type ifconfig in cmd shell

Linksys WRT54G Wireless-G Broadband Router driver keeps trying to open up in with my vlc player its a bi file and i know not what to do.?

You are not supposed to open that file on your desktop. VLC player opens it because it uses the same extension for different file. Anyway, if you want to use the driver (firmware) you need to log in your router and use "Update firmware" field. It will ask you to show destination of the new firmware then just follow instructions.

The wired or wireless means of connecting a computer to the internet is called?

The wired or wireless means of connecting a computer to the internet is called networking. The wired network uses cables while the wireless one relies on signal transmissions without cables.

What is a good anmie website?

it you are looking for a good one I do not have an answer,

if you are looking for a perfect website I have a answer, it is . . . tinerme.com

My computer always connects to someone else's network instead of mine and I have to manually switch it back. How do you make your wireless network the default network that your computer connects to?

Go to the wireless network properties and choose "Connect to this network first". You might have to edit setting for your wireless adapter and make sure that you do not have chosen "Connect to any available network".

What is server based network?

the sever works like the management of the Network's and for the security reasons

How DHCP it sets up and how client request an IP address?

DHCP stands for dynamic host configuration protocol. It is oftenly used to dynamically assign ip addresses to the hosts connected within a lan.Dhcp works by taking a pool of IPs that is specified by an administrator and assigns each ip to a host that is up.whenever the host gets down the dhcp takes back the ip assigned and stores it back in that pool.

EX: if there are 100 PCs and we need to give ip addresses to all of them then, instead of manually assigning static ip addresses to all the PCs, we can use the DHCP to assign dynamic ips to hosts.The hosts connected will only need to obtain the ip by going to Network Places-->Properties-->Lan-->Properties-->TCP/IP-->Properties-->obtain ip dynamically-->OK-->Apply.

What is the purpose of a virtual server?

A virtual server mimics the functionality of a physical dedicated server. A virtual server shares software and hardware resources with other operating systems (OS). Virtual servers are common because they can provide more efficient resource control and are cost-effective through server virtualization.

Reduced IT costs

The pay-as-you-go system also works in the data space needed to serve your participants and customers, which means you'll get exactly the space you need, and you won't be charged for any space you don't offer.

Security

As per the study 94% of businesses saw an improvement in security after switching to the cloud, and 91% said the cloud makes it easier to meet government compliance requirements.

Mobility

Cloud computing allows mobile access to company information via Smartphones and devices. Employees with busy plans, or who live far away from the company's office, can use this feature to keep up to date with customers and co-workers.

Quality control

With everyone accessing the same information, you can maintain consistency in data, avoid human error, and have a clear record of any revisions or updates.

Loss Prevention

With a cloud-based server, however, all the information you upload to the cloud remains secure and easily accessible from any computer with an Internet connection, even if your regular computer doesn't work.

Business continuity

Being able to access your information quickly also allows you to run a business as usual, reducing any downtime and product loss.

Which of the hosts DNS are the most reliable?

The most reliable DNS would be any DNS system that built as a distributed or has a large, worldwide fail-over system built in. OpenDNS provides such service, free of charge.