Security Plus Flashcards

1
Q
  1. Which of the following will most likely adversely impact the operations of unpatched traditional programmable-logic controllers, running a back-end LAMP server and OT systems with human-management interfaces that are accessible over the internet via a web interface?
A
  • Weak encryption
  • Server-side request forgery
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2
Q
  1. A company recently transitioned to a strictly BYOD culture due to the cost of replacing lost or damaged corporate-owned mobile devices. Which of the following techniques would be BEST to balance the BYOD culture while also protecting the company’s data?
A

Full-disk encryption

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3
Q
  1. A Chief’s Security Office’s (CSO’s) key priorities are to improve preparation, response, and recovery practices to minimize system downtime and enhance organizational resilience to ransomware attacks. Which of the following would BEST meet the CSO’s objectives?
A

Implement application whitelisting and centralized event-log management, and perform regular testing and validation of full backups.

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4
Q
  1. A network engineer has been asked to investigate why several wireless barcode scanners and wireless computers in a warehouse have intermittent connectivity to the shipping server. The barcode scanners and computers are all on forklift trucks and move around the warehouse during their regular use. Which of the following should the engineer do to determine the issue?
A
  • Perform a site survey
  • Create a heat map
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5
Q
  1. A security administrator suspects an employee has been emailing proprietary information to a competitor. Company policy requires the administrator to capture an exact copy of the employee’s hard disk. Which of the following should the administrator use?
A

dd

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6
Q
  1. Which of the following would a security specialist be able to determine upon examination of a server’s certificate?
A

OID

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7
Q
  1. A security analyst is diagnosing an incident in which a system was compromised from an external IP address. The socket identified on the firewall was traced to 207.46.130.0:6666. Which of the following should the security analyst do to determine if the compromised system still has an active connection?
A

Netstat

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8
Q
  1. Multiple organizations operating in the same vertical want to provide seamless wireless access for their employees as they visit the other organizations. Which of the following should be implemented if all the organizations use the native 802.1x client on their mobile devices?
A

RADIUS federation

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9
Q
  1. Which of the following BEST describes an important security advantage yielded by implementing vendor diversity?
A

Resiliency

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10
Q
  1. In a corporation where compute utilization spikes several times a year, the Chief Information Officer (CIO) has requested a cost-effective architecture to handle the variable capacity demand. Which of the following characteristics BEST describes what the CIO has requested?
A

Elasticity

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11
Q
  1. A security engineer is configuring a system that requires the X.509 certificate information to be pasted in to a form field in Base64 encoded format to import into the system. Which of the following certificate formats should the engineer use to obtain the information in the required format?
A

PEM (Privacy Enhanced Mail)

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12
Q
  1. Which of the following attacks specifically impact data availability?
A

DDoS (Distributed Denial of Service)

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13
Q
  1. A security analyst is hardening a server with the directory services role installed. The analyst must ensure LDAP traffic cannot be monitored or sniffed and maintains compatibility with LDAP clients. Which of the following should the analyst implement to meet these requirements?
A
  • Generate an X.509-complaint certificate that is signed by a trusted C.
  • Ensure port 636 is open between the clients and the servers using the communication.
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14
Q

Which of the following threat actors is MOST likely to steal a company’s proprietary information to gain a market edge and reduce time to market?

A

Competitor

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15
Q

A penetration tester is crawling a target website that is available to the public. Which of the following represents the actions the penetration tester is performing?

A

Reconnaissance

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16
Q

Which of the following characteristics differentiate a rainbow table attack from a brute force attack? (Choose two.)

A

*Rainbow tables must include precomputed hashes.
*Rainbow table attacks bypass maximum failed login restrictions.

17
Q

Which of the following best describes routine in which semicolons, dashes, quotes, and commas are removed from a string?

A

Input validation to protect against SQL injection.

18
Q

A security analyst wishes to increase the security of an FTP server.
Currently, all traffic to the FTP server is unencrypted.
Users connecting to the FTP server use a variety of modern FTP client software.
The security analyst wants to keep the same port and protocol, while also still allowing unencrypted connections.
Which of the following would BEST accomplish these goals?

A

Use explicit FTPS for connections.

19
Q

Which of the following explains why vendors publish MD5 values when they provide software patches for their customers to download over the Internet?

A

The recipient can verify integrity of the software patch.

20
Q

Public class rainbow {
public static void main (String [] args) {
object blue = null ;
blue.hashcode () ; }
}
Which of the following vulnerabilities would occur if this is executed?

A

Missing null check.

21
Q

Multiple employees receive an email with a malicious attachment that begins to encrypt their hard drives and mapped shares on their devices when it is opened.
The network and security teams perform the following actions: -> Shut down all network shares.
-> Run an email search identifying all employees who received the malicious message.
-> Reimage all devices belonging to users who opened the attachment.
Next, the teams want to re-enable the network shares.
Which of the following BEST describes this phase of the incident response process?

A

Recovery

22
Q

An organization has determined it can tolerate a maximum of three hours of downtime.
Which of the following has been specified?

A

RTO (Recovery Time Objective)

23
Q

Which of the following types of keys is found in a key escrow?

A

Private

24
Q

[] [1:2467:7] EXPLOIT IGMP IGAP message overflow attempt []
[Classification: Attempted Administrator Privilege Gain] [Priority: 1]
07/30-19:45:02.238185 250-19.18.71 -> 250.19.18.22
IGMP TTL:255 TOS: 0x0 ID: 9742 IpLen:20 DgmLen: 502 MF
Frag offset: 0x1FFF Frag Size: 0x01E2

A

*The source IP of the attack is coming from 250.19.18.71.
*The attacker sent a malformed IGAP packet, triggering the alert.

25
Q

Despite having implemented password policies, users continue to set the same weak passwords and reuse old passwords.
Which of the following technical controls would help prevent these policy violations? (Choose two.)

A

*Password complexity
*Password history