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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
Continuing review of an approved and ongoing protocol should happen?
Must occur within 12 months of the approval date
What are the advantages and disadvantages of a digital signal over an analog signal?
A digital signal is just a sequence of numbers, so a digital signal can be stored, transmitted, and reproduced exactly - every copy is the same as the original. Mathematics can be used to detect and correct errors. However, with noise or weak reception, a digital signal degrades much less gracefully than analog.
A digital transmission is in the form of a sequence of "true" / "false" settings - commonly described as "zeroes" and "ones" - at a steady signal amplitude (meaning "volume" or "strength") whereby a machine be programmed to make decisions on its contents.
On the other hand, an analog signal can be transmitted either at variable amplitude levels to convey the information (as in AM, meaning Amplitude Modulation) or at a steady amplitude but with varying frequencies to convey the information (as in FM, meaning Frequency Modulation). If the overall signal amplitude varies a lot - especially if it gets either very weak or overwhelmingly much too strong - many ambiguities of interpretation can come into play which will greatly affect the type of automatic machine decision-making that can be done.
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The question of digital technology is rather broader than that on just tv models because several other devices use this mode of technology too.
Digital technology has several advantages among which are;
- enables transmission of signals over a long distance.
- transmission is at a higher rate and with a wider broadband width.
- it is more secure.
- it is also easier to translate human audio and video signals and other messages into machine language.
- there is minimal electromagnetic interference in digital technology.
- it enables multi-directional transmission simultaneously.
On the other hand it also has some setbacks and disadvantages.
Basically, the previous answer that was based on tv models helps to guide one in understanding the general picture of digital technologies but is not applicable to all the other devices that use digital technology.
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Mathematics tells me that there no digital infinity while analog can almost approach it.
How I Can configure telenet tndsl 2120 Adsl2 Router modem to connect bsnl broadband service?
http://wiki.answers.com/Q/How_I_Can_configure_telenet_tndsl_2120_Adsl2_Router_modem_to_connect_bsnl_broadband_service"
A good amount of RAM could be any amount of RAM depending on what the user thinks is a good amount, depending on what they use their computer for. The normal RAM size that is used for a computer is 1 GB which is used to run basic applications on a computer. 2GB-4Gb is the normal size for a computer if you are planning on doing any gaming. In my opinion a good amount of RAM would be about 4 GB of RAM, because with that amount of RAM you can run every program on your computer very efficiently. Anymore more than that will not help you much, unless you do a lot of gaming.
1) Lack of monitoring during upgrades.
2) System's errors due to lack of NOS to communicate during upgrade
3) Heavy load on Support websites due to questions on the upgrade
4) Depending on where the NOS is located if the systems being upgraded are in the same physical location as live servers there is always the possibility of someone unplugging a wrong cord or overloading a UPS during the upgrade.
5) Employee's misinforming
found it!!
ok, for anyone who needs the answer..
"you configure CFP by a two-step process. Go to Security/Tasks/Add a Zone; give it a name and define the IP range (or go with the default, which is the entire subnet). Then go to Security/Tasks/Define a New Trusted Network; use the Zone you just created. This will put two rules at the top of Network Monitor; the first will Allow IP Out from Any to Zone, and the 2nd will Allow IP In from Zone to Any - this allows unencumbered communication across your LAN."
You have 2 computers you want connected to the modem and one wireless what do you use?
a wireless modem means it has a wireless router built in. A wireless router means just a wireless router. if your modem is not wireless, you will need just a wireless router
An active tap refers to a device or system that actively collects data or interacts with a network or system. Unlike passive taps, which merely monitor and capture data without altering it, active taps can send signals, manage data flow, or integrate with other systems. They are often used in networking and cybersecurity to ensure real-time monitoring and analysis of data traffic.
The Formula is C=B log_2 (1+SNR) = 4000 log_2 (1+1000) = 4000 x 9.9672 = 39868.8.
What do you understand by broadcast network?
When a packet arrives at the network layer on the sender's device, it is encapsulated into a frame whose destination MAC address is all fs (FF-FF-FF...). The switch connected to the sender's device recognizes the all fs MAC address as a broadcast message and hence forwards it to all its ports.
How do you turn off windows zero configuration?
To disable Wireless Zero Configuration service, browse to the Control Panel, then Administrative Tools and finally double-click on Services. Alternatively, you can select Run from the Windows Start Menu, type services.msc and hit OK. From the Services Window you will want to scroll all the way down to Wireless Zero Configuration and right-click on the name, then click Properties.
From the Service Status area choose Stop to halt the service and if you wish to keep Wireless Zero Configuration off, then choose Disabled so that the service doesn't startup the next time you start Windows XP.
What is the definition of network setup and configuration?
Network setup and configuration refers to installing a network. When you setup the network you configure the settings. Setting up a network is when you install hardware and connect computers so they are using the same network.
Identify the command used to display information on routing-table updates and route-cache updates?
route#debug ip routing
What are the difference between local loop back testing and remote loop back testing?
The only difference is the relative location of the device that is in loopback mode. Local loopback testing is when your device is set to send back everything it receives to the sender, aka loopback mode. Remote loopback testing is when your device orders a foreign device to enter loopback mode.
How can you find ip or hostname of another PC?
There are a few ways.
- Look through any emails you received from the PC you are trying to trace. If they used an email client such as Outlook, you will see their PCs IP address in the header.
This will not work if they use a webmail client such as Gmail, YahooMail or others. - You can use a legal hacking method, such as sending them an email with a link or iframe in it which will then log their IP address.
- A more advance method would be to have your own webserver which can record the IP addresses of visitors to your site down to the image level. Then include an image in your email. Your server statistics can record the server which downloaded the image. If this image was ONLY sent to the person you are attempting to trace, you will have their IP address.
The easiest way?
Ask them!
If they do not know, simply tell them to visit a site which displays their IP Address - there are a lot of them, like: www.howtofindipaddress.com/
