EC-COUNCIL EC-COUNCIL Certifications 312-50V8 Questions & Answers

• Question 421:

  What type of OS fingerprinting technique sends specially crafted packets to the remote OS and analyzes the received response?

  A. Passive

  B. Reflective

  C. Active

  D. Distributive

  Correct Answer: C

• Question 422:

  A security policy will be more accepted by employees if it is consistent and has the support of

  A. coworkers.

  B. executive management.

  C. the security officer.

  D. a supervisor.

  Correct Answer: B

• Question 423:

  There is a WEP encrypted wireless access point (AP) with no clients connected. In order to crack the WEP key, a fake authentication needs to be performed.

  What information is needed when performing fake authentication to an AP? (Choose two.)

  A. The IP address of the AP

  B. The MAC address of the AP

  C. The SSID of the wireless network

  D. A failed authentication packet

  Correct Answer: BC

• Question 424:

  A security consultant decides to use multiple layers of anti-virus defense, such as end user desktop anti-virus and E-mail gateway. This approach can be used to mitigate which kind of attack?

  A. Forensic attack

  B. ARP spoofing attack

  C. Social engineering attack

  D. Scanning attack

  Correct Answer: C

• Question 425:

  Which command line switch would be used in NMAP to perform operating system detection?

  A. -OS

  B. -sO

  C. -sP

  D. -O

  Correct Answer: D

• Question 426:

  Bluetooth uses which digital modulation technique to exchange information between paired devices?

  A. PSK (phase-shift keying)

  B. FSK (frequency-shift keying)

  C. ASK (amplitude-shift keying)

  D. QAM (quadrature amplitude modulation)

  Correct Answer: A

• Question 427:

  Which of the following lists are valid data-gathering activities associated with a risk assessment?

  A. Threat identification,vulnerability identification,control analysis

  B. Threat identification,response identification,mitigation identification

  C. Attack profile,defense profile,loss profile

  D. System profile,vulnerability identification,security determination

  Correct Answer: A

• Question 428:

  A network security administrator is worried about potential man-in-the-middle attacks when users access a corporate web site from their workstations.

  Which of the following is the best remediation against this type of attack?

  A. Implementing server-side PKI certificates for all connections

  B. Mandating only client-side PKI certificates for all connections

  C. Requiring client and server PKI certificates for all connections

  D. Requiring strong authentication for all DNS queries

  Correct Answer: C

• Question 429:

  A circuit level gateway works at which of the following layers of the OSI Model?

  A. Layer 5 - Application

  B. Layer 4 - TCP

  C. Layer 3 - Internet protocol

  D. Layer 2 - Data link

  Correct Answer: B

• Question 430:

  A penetration tester is attempting to scan an internal corporate network from the internet without alerting the border sensor. Which is the most efficient technique should the tester consider using?

  A. Spoofing an IP address

  B. Tunneling scan over SSH

  C. Tunneling over high port numbers

  D. Scanning using fragmented IP packets

  Correct Answer: B