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Ans: Start Button+Press L

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3.How to make beautiful online wallpaper?

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Tech and Tips

Some Basic Meaningful Answer

1.What is the meaning of 32k & 64k SIM ?

Ans: It Means your SIM is Operating in the frequency of 32khz or 64khz & your sim is a GSM SIM Card.


2.What is Auxiliary Memory ?

Ans:Devices that provide backup storage are called Auxiliary memory. They holds information that are not presently used by devices (computer).

3.Forgot Computer Password?

Ans: 1. Restart PC
         2. Press F5 key
         3. Select-Safe Mode
         4. Select Control Panel
         5. Select Administrator
         6. Goto User Account
         7. Remove Password
         8. Restart..Enjoy...!

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Address: http://office.microsoft.com/en-in/web-apps/

How To Download Free IEEE, Springer and Any Scholarly Paper

Follow This Step to download free IEEE, Springer and any Scholarly Paper

1.Find a Paper which is want to download.

2.Find DOI Number which is given in paper. write down this number or copy this(Ctrl+C).

3.Start new Tab in Browser and enter the website (https://sci-hub.tw/) and (https://libgen.is/)in address bar and Press Enter.

4.Find Search Box and Paste DOI number and open it, sometimes website will ask to write captcha      code before opening the article or paper.

5.Click on Download...!Enjoy..!

Black Hole Attack Survey Paper

Prevention and Detection of Black Hole Attack in MANET: A Survey
-Mitul Bhatt, Hinaxi Patel, Swati Kariya


Abstract

         Mobile Ad-hoc Networks (MANETS) are the networks which are temporary, dynamic, self-configurable and self-maintainable. MANET’s nodes are communicated with each other as being in dynamic topology and without any fix infrastructure. In MANET each and every node acts as a client and server. Any node in the MANET can join and leave the network without any permission. In MANETS have different types of security active attacks like Black Hole, Worm Hole, Grey Hole and Sink Hole Attack which disrupts the network or gaining the data by attacker. Black Hole Attacks are serious security risk to the routing protocol in MANETS. Black Hole Attacks are a kind of attacks where a malicious node advertise itself a shortest path during routing discovery and redirect the data towards malicious node. Malicious node dropped the data or its desired destination instead of original destination. In This Paper focuses of various prevention and detection methods for Black Hole Attack described.

Download Link

http://www.imperialjournals.com/index.php/IJIR/article/viewFile/292/285