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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
RJ-11 Port-Modem cards in desktop computers provide two phone jacks called RJ-11 jacks so that one can be used for dial up networking and the other jack can be used to plug in an extension telephone.
Daniel Allen
What are the different types of dialogs in Session layer?
There are three forms of dialog.
Simplex Dialogs - One way transfers, similar to an old computer/printer. Data could be sent to the printer but the printer could not communicate back.
Half-Duplex Dialogs - Two-way transfers. Each device must take their turn. Both cannot transfer at the same time.
Full-Duplex Dialogs - Two-way simultaneous data transfers. Each device has it's own channel. Telephones are full duplex, as are most modems. Full duplex is the most expensive to implement.
What facts are true when a device is moved from one network or subnet to another?
• The device will still operate at the same Layer 2 address.
• The Layer 3 address must be reassigned to allow communications to the new network.
What are the steps to making a peer to peer network?
The steps are:
- Put a NIC device in every system that will connect to the network
- Create a cable that goes from the NIC to a connectivity device, such as a hub or switch.
- Install a networking protocol on each system
- Configure the networking protocol to name each device and put an appropriate network address on each NIC card.
That's it! You're done.
If you have to reset your router often does it need to be replaced?
Most likely, it's known that some routers have software as well as hardware problems and the only way to fix it is to replace it.
Before replacing it try to update firmware, if it did not help, replace the router.
Discuss the function of the NIC in data transfer on a LAN?
prepare data from the computer for the network cable.
Does eMachines E627 have a built in Bluetooth adapter?
Does emachines E627 have an in built Bluetooth card?
Did the change result in a 30% reduction in the time that it takes for data to travel from the router in building A to the router in building B
dear all,
hardware address is unique so their is no chance of same Ethernet share.
thanks
Raj
What would happen if you needed more than six public IP addresses that pool allows?
After the sixth, any user could not access anything after R2.
What are the steps to cancel a Remote Assistance invitation before it expires?
1
Open the Windows Remote Assistance window that is waiting for an incoming connection.
2Click the "X" on the upper right corner of the window.
3Click "Yes" when asked if you want to close the session
What Microsoft service that provides Net BIOS name-to-address resolution?
Windows Internet Name Service (WINS)
Where is the images of a Coaxial Cable Splitter online?
If one wishes to find an image of a Coaxial Cable Splitter these images can be seen on sights that offer this product such as Amazon or eBay. One can also find a larger number of images on the Google Images website.
Which command display the IP address of the host?
It depends on the Operating System -
For Win. 9x you can use winipcfg
Other windows versions use ipconfig
Unix and Linux use ifconfig
Does subnetting separate a network into multiple logical defined segments or subnets?
Yes. Subnetting separates a network into multiple logically defined segments, or subnets.
Does limiting your signal range increase network security?
Yes, it would, because if you limit (reduce) the signal range it won't be visible to a possible attacker.
Yes
What command will clear a connection to a remote router?
which command will clear a connection to aemote sarver
Who of the following provides guidance on network and web access content and privileges?
DOD 8530 series
How many octets are in a Class C IP address?
24 bits (8 bits per octet, so 3) are used for the network portion of a class C IP address
What is an optical splitter used for?
An optical splitter as its name suggests splits light. This is commonly used for splitting fiber optic communications for either business communications or for those who have fiber optic television and phone services at home.
What is difference btwn a workstation and workgroup?
Workstation is a computer, workgroup is usually at least 2 computers connected to each other.
What is the abbreviation of CISCO?
CISCO is Computer Information System Company. The name "CISCO" for #1 networking company actually is taken from the city name San FranCISCO, CA. Cisco system inc., was founded by computers scientist from Stanford which is located 20 miles from San Francisco. The Cisco logo is based on the Golden Gate Bridge in San Francisco, CA. CISCO is Computer Information System Company. The name "CISCO" for #1 networking company actually is taken from the city name San FranCISCO, CA. Cisco system inc., was founded by computers scientist from Stanford which is located 20 miles from San Francisco. The Cisco logo is based on the Golden Gate Bridge in San Francisco, CA.
