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Category: Networking

What are Network support layers and user support layer in OSI model?

Category: Networking

What is the definitions for unicast address, multicast address and broadcast address?

Category: Networking

What are the network protocols used at the data link layer of the OSI model? These terms used in the CCNA exam and I am following a CCNA course and if you can give me the answers it really helpful for me.

Category: Networking

What are the key functionalities of the Cisco hierarchical model?

Category: Networking

Hello all,

Even after recharging my internet connection I get this error on opening some websites.

Does anyone know if it is the internet problem or something else?

Thanks for the help.

Network Error (tcp_error)

A communication error occurred;””

The web server may be down, too busy, or experiencing other problems preventing it from responding to requests.

You may wish to try again at a later time.

Category: Networking


I am really interesting in networking and currently following a diploma in networking in local university.

I heard about a Blu Modem from my friend.

What is this and why it calls as Blu modem?

Thank you

Category: Networking

Hello Guys,

The problem is with my HTTP local host server. Have a look at the error message below. What does it mean? I tried several ways to solve the problem but no result. If you have any idea for this error message, please help me to solve this problem.


The page at http://localhost says:

Please enter the minutes.

Category: Networking

Hi Experts,

I use Linux-based OS on my Android. And I faced a problem with file transfer through Bluetooth.

Have a look at the error message below. Have you any idea to get a remedy on this issue?

Please help.


My Bluetooth

Unable to get Bluetooth FTP Remote Folder content.

Please check that your device is turned on and working properly..

Category: Networking


I recently tried for the first time, to connect my PC via Bluetooth to Android but failed. How can I know whether my PC has Bluetooth drivers installed and if not, what should I do?


Category: Networking

Is Yahoo dial up download actually not feasible? I only managed to download about 5mb and it has taken 4 hours. Is there a cd I can buy to be able to actually install yahoo instead of wasting hours in trying to download via dial up but really does not push through?