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QUESTION 28
An intrusion detection system begins receiving an abnormally high volume of scanning from numerous sources. Which evasion technique does this attempt indicate?
A. traffic fragmentation
B. resource exhaustion
C. timing attack
D. tunneling
Answer: B
QUESTION 29
Which type of attack occurs when an attacker utilizes a botnet to reflect requests off an NTP server to overwhelm their target?
A. man in the middle
B. denial of service
C. distributed denial of service
D. replay
Answer: C
QUESTION 30
In NetFlow records, which flags indicate that an HTTP connection was stopped by a security appliance, like a firewall, before it could be built fully?
A. ACK
B. SYN ACK
C. RST
D. PSH, ACK
Answer: C
Explanation:
When a connection is stopped by a security appliance it will send an RST flag.
QUESTION 31
Which definition of a fork in Linux is true?
A. daemon to execute scheduled commands
B. parent directory name of a file pathname
C. macros for manipulating CPU sets
D. new process created by a parent process
Answer: D
QUESTION 32
Which two actions are valid uses of public key infrastructure? (Choose two )
A. ensuring the privacy of a certificate
B. revoking the validation of a certificate
C. validating the authenticity of a certificate
D. creating duplicate copies of a certificate
E. changing ownership of a certificate
Answer: AC
QUESTION 33
Which two terms are types of cross site scripting attacks? (Choose two )
A. directed
B. encoded
C. stored
D. reflected
E. cascaded
Answer: CD
QUESTION 34
Which network device is used to separate broadcast domains?
A. router
B. repeater
C. switch
D. bridge
Answer: A
QUESTION 35
Based on which statement does the discretionary access control security model grant or restrict access ?
A. discretion of the system administrator
B. security policy defined by the owner of an object
C. security policy defined by the system administrator
D. role of a user within an organization
Answer: B
QUESTION 36
Which cryptographic key is contained in an X.509 certificate?
A. symmetric
B. public
C. private
D. asymmetric
Answer: B
QUESTION 37
Which two activities are examples of social engineering? (Choose two)
A. receiving call from the IT department asking you to verify your username/password to maintain the account
B. receiving an invite to your department’s weekly WebEx meeting
C. sending a verbal request to an administrator to change the password to the account of a user the administrator does know
D. receiving an email from MR requesting that you visit the secure HR website and update your contract information
E. receiving an unexpected email from an unknown person with an uncharacteristic attachment from someone in the same company
Answer: AD
QUESTION 38
Which hash algorithm is the weakest?
A. SHA-512
B. RSA 4096
C. SHA-1
D. SHA-256
Answer: C
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