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1. Which of the following is known as a prebuilt directional gateway that is unidirectional?

Firewall

Data Diode

None of these

Unigate

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2. When monitoring a network, you receive an ICMP type 8 packet.

What does this represent?

Echo request

Echo start

Echo recall

Echo reply

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3. How many IPsec rules are there in Microsoft Firewall configuration?

2

5

3

4

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4. Which of the monitor alerts is considered most dangerous?

True Positive

False Positive

False Negative

True Negative

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5. Who developed the ModBus protocol?

Siemens

BAG

Modicon

Motorola

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6. What is the size of the AH in bits with respect to width?

24

43

16

32

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7. Which component of the IT Security Model is the highest priority in ICS/SCADA Security?

Integrity

Authentication

Availability

Confidentiality

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8. Which of the following names represents inbound filtering?

Funnel

Sanity

Egress

Ingress

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9. Which of the following are NOT components of an ICS/SCADA network device?

Low processing threshold

Legacy systems

High bandwidth networks

Weak network stack

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10. What is the size in bytes of the TCP sequence number in the header?

2

1

3

4

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11. Which of the following is considered the best way to counter packet monitoring for a switch?

Tap

Duplication

SPAN

Port mirror

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12. Which of the following can be used to view entire copies of web sites?

Wayback machine

Google Cache

Netcraft

Bing offline

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13. Which component of the IT Security Model is attacked with eavesdropping and interception?

Confidentiality

Availability

Integrity

Authentication

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14. The NIST SP 800-53 defines how many management controls?

6

9

5

7

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15. Which of the following is NOT ICS specific malware?

Flame

Ha vex

Code Red

Stuxnet

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16. Which of the registrars contains the information for the domain owners in Europe?

RIPENCC

AFRINIC

LACNIC

ARIN

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17. The vulnerability that led to the WannaCry ransomware infections affected which protocol?

Samba

None of these

RPC

SMB

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18. Which of the ICS/SCADA generations is considered distributed?

Fourth

Second

Third

First

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19. Which of the following steps is used to reveal the IP addressing?

Footprinting

Surveillance

Cover your tracks

Enumeration

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20. Which of the ICS/SCADA generations is considered networked?

Fourth

Third

Second

First

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21. How many firewalls are there in the most common ICS/SCADA architecture?

3

1

None of these

2

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22. Which of the following was attacked using the Stuxnet malware?

PLCS

PLC3

All of these

PLC7

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23. Which of the hacking methodology steps can be used to identify the applications and vendors used?

Enumeration

OSINT

Scanning

Surveillance

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