Which of the following statements are true about firewalking?
Each correct answer represents a complete solution. Choose all that apply.

You work as a Network Administrator for Marioxnet Inc. You have the responsibility of handling two routers with BGP protocol for the enterprise's network. One of the two routers gets flooded with an unexpected number of data packets, while the other router starves with no packets reaching it. Which of the following attacks can be a potential cause of this?

Which of the following steps can be taken as countermeasures against sniffer attacks?
Each correct answer represents a complete solution. Choose all that apply.

John used to work as a Network Administrator for We-are-secure Inc. Now he has resigned from the company for
personal reasons. He wants to send out some secret information of the company. To do so, he takes an image file and
simply uses a tool image hide and embeds the secret file within an image file of the famous actress, Jennifer Lopez,
and sends it to his Yahoo mail id. Since he is using the image file to send the data, the mail server of his company is
unable to filter this mail. Which of the following techniques is he performing to accomplish his task?

Which of the following statements are true about worms?
Each correct answer represents a complete solution. Choose all that apply.