QUESTION: 89

Attacker Rony installed a rogue access point within an organization’s perimeter and attempted to intrude into its internal network. Johnson, a security auditor, identified some unusual traffic in the internal network that is aimed at cracking the authentication mechanism. He immediately turned off the targeted network and tested for any weak and outdated security mechanisms that are open to attack.

What is the type of vulnerability assessment performed by Johnson in the above scenario?

Wireless network assessment
Application assessment
Host-based assessment
Distributed assessment

Answer(s): A

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QUESTION: 90

In this attack, an adversary tricks a victim into reinstalling an already-in-use key. This is achieved by manipulating and replaying cryptographic handshake messages. When the victim reinstalls the key, associated parameters such as the incremental transmit packet number and receive packet number are reset to their initial values.

What is this attack called?

Evil twin
Chop chop attack
Wardriving
KRACK

Answer(s): D

Reference:

https://www.krackattacks.com/

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QUESTION: 91

After an audit, the auditors inform you that there is a critical finding that you must tackle immediately. You read the audit report, and the problem is the service running on port 389.

Which service is this and how can you tackle the problem?

The service is NTP, and you have to change it from UDP to TCP in order to encrypt it.
The service is LDAP, and you must change it to 636, which is LDAPS.
The findings do not require immediate actions and are only suggestions.
The service is SMTP, and you must change it to SMIME, which is an encrypted way to send emails.

Answer(s): B

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QUESTION: 92

Mike, a security engineer, was recently hired by BigFox Ltd. The company recently experienced disastrous DoS attacks. The management had instructed Mike to build defensive strategies for the company's IT infrastructure to thwart DoS/DDoS attacks. Mike deployed some countermeasures to handle jamming and scrambling attacks.

What is the countermeasure Mike applied to defend against jamming and scrambling attacks?

Allow the transmission of all types of addressed packets at the ISP level
Disable TCP SYN cookie protection
Allow the usage of functions such as gets and strcpy
Implement cognitive radios in the physical layer

Answer(s): D

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