312-50v12 Exam Dumps - Certified Ethical Hacker Exam (CEHv12)

Which method of password cracking takes the most time and effort?

A network admin contacts you. He is concerned that ARP spoofing or poisoning might occur on his network. What are some things he can do to prevent it? Select the best answers.

env x=’(){ :;};echo exploit’ bash –c ‘cat/etc/passwd’

What is the Shellshock bash vulnerability attempting to do on a vulnerable Linux host?

PGP, SSL, and IKE are all examples of which type of cryptography?

Which of the following Linux commands will resolve a domain name into IP address?

A network administrator discovers several unknown files in the root directory of his Linux FTP server. One of the files is a tarball, two are shell script files, and the third is a binary file is named "nc." The FTP server's access logs show that the anonymous user account logged in to the server, uploaded the files, and extracted the contents of the tarball and ran the script using a function provided by the FTP server's software. The “ps” command shows that the “nc” file is running as process, and the netstat command shows the “nc” process is listening on a network port.

What kind of vulnerability must be present to make this remote attack possible?

If a token and 4-digit personal identification number (PIN) are used to access a computer system and the token performs off-line checking for the correct PIN, what type of attack is possible?

During a recent security assessment, you discover the organization has one Domain Name Server (DNS) in a Demilitarized Zone (DMZ) and a second DNS server on the internal network.

What is this type of DNS configuration commonly called?