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

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Total 572 questions

What piece of hardware on a computer's motherboard generates encryption keys and only releases a part of the key so that decrypting a disk on a new piece of hardware is not possible?

A.

CPU

B.

GPU

C.

UEFI

D.

TPM

John, a disgruntled ex-employee of an organization, contacted a professional hacker to exploit the organization. In the attack process, the professional hacker Installed a scanner on a machine belonging to one of the vktims and scanned several machines on the same network to Identify vulnerabilities to perform further exploitation. What is the type of vulnerability assessment tool employed by John in the above scenario?

A.

Proxy scanner

B.

Agent-based scanner

C.

Network-based scanner

D.

Cluster scanner

Which of the following is the primary objective of a rootkit?

A.

It opens a port to provide an unauthorized service

B.

It creates a buffer overflow

C.

It replaces legitimate programs

D.

It provides an undocumented opening in a program

Garry is a network administrator in an organization. He uses SNMP to manage networked devices from a remote location. To manage nodes in the network, he uses MIB. which contains formal descriptions of all network objects managed by SNMP. He accesses the contents of MIB by using a web browser either by entering the IP address and Lseries.mlb or by entering the DNS library name and Lseries.mlb. He is currently retrieving information from an MIB that contains object types for workstations and server services. Which of the following types of MIB is accessed by Garry in the above scenario?

A.

LNMIB2.MIB

B.

WINS.MIB

C.

DHCP.MIS

D.

MIB_II.MIB

Larry, a security professional in an organization, has noticed some abnormalities In the user accounts on a web server. To thwart evolving attacks, he decided to harden the security of the web server by adopting a countermeasures to secure the accounts on the web server.

Which of the following countermeasures must Larry implement to secure the user accounts on the web server?

A.

Enable unused default user accounts created during the installation of an OS

B.

Enable all non-interactive accounts that should exist but do not require interactive login

C.

Limit the administrator or toot-level access to the minimum number of users

D.

Retain all unused modules and application extensions

Switches maintain a CAM Table that maps individual MAC addresses on the network to physical ports on the switch.

In MAC flooding attack, a switch is fed with many Ethernet frames, each containing different source MAC addresses, by the attacker. Switches have a limited memory for mapping various MAC addresses to physical ports. What happens when the CAM table becomes full?

A.

Switch then acts as hub by broadcasting packets to all machines on the network

B.

The CAM overflow table will cause the switch to crash causing Denial of Service

C.

The switch replaces outgoing frame switch factory default MAC address of FF:FF:FF:FF:FF:FF

D.

Every packet is dropped and the switch sends out SNMP alerts to the IDS port