CCOA Practice Test 4 — 10 Questions

Question 1

Which technique is most effective for an adversary to perform 'T1078 Valid Accounts'?

Accepted Answer

Using stolen credentials obtained via phishing. Adversaries often use stolen credentials or social engineering to obtain legitimate user credentials to access systems as authorized users.

Answer

Exploiting a software vulnerability

Answer

Brute forcing a firewall

Answer

Installing a rootkit

Question 2

You suspect an adversary is performing 'T1005 Data from Local System'. Which of these actions is relevant?

Accepted Answer

Searching for files with specific extensions like .docx or .xlsx. Data from Local System involves searching for and copying files from a user's machine.

Answer

Modifying a service

Answer

Creating a new user

Answer

Scanning the network

Question 3

Which type of risk assessment approach uses descriptive scales like 'High', 'Medium', and 'Low'?

Accepted Answer

Qualitative. Qualitative risk assessment uses subjective, descriptive ratings rather than numerical financial values.

Answer

Probabilistic

Answer

Deterministic

Answer

Quantitative

Question 4

In a Palo Alto Networks environment, you need to identify if a specific internal host is beaconing to a command-and-control server. Which log type provides the necessary data?

Accepted Answer

Traffic logs. Traffic logs in Palo Alto Networks provide the session-level details required to perform frequency analysis and detect beaconing patterns.

Answer

Data filtering logs

Answer

Threat logs

Answer

URL filtering logs

Question 5

What is the purpose of 'T1027 Obfuscated Files or Information'?

Accepted Answer

To evade detection by signature-based tools. Obfuscation is used to hide code or scripts from static analysis and security tools, aiding Defense Evasion.

Answer

To escalate privileges

Answer

To increase execution speed

Answer

To facilitate lateral movement

Question 6

Which TWO of the following behaviors are typical of 'Lateral Movement'?

Accepted Answer

SMB/Admin shares. Remote services like RDP and SMB/Admin shares are primary mechanisms for moving laterally.

Answer

DNS query analysis

Answer

Registry key editing

Answer

Keystroke logging

Question 7

Which THREE actions are essential to the 'Identify' function of the NIST CSF?

Accepted Answer

Risk management strategy. Identify covers inventory, risk management, and governance.

Answer

Malware scanning

Answer

Incident recovery time analysis

Question 8

You are investigating a breach where the attacker used 'T1555 Credentials from Password Stores'. Where would they look?

Accepted Answer

Browser 'Login Data' SQLite databases. Password stores include browser data, local vaults, and credential managers.

Answer

Active Directory logs

Answer

Network packets

Answer

System logs

Question 9

Which THREE items are typically included in a formal Risk Register?

Accepted Answer

Mitigation status. A risk register tracks risks, including their probability, impact, and mitigation status.

Answer

Vendor contact list

Answer

Hardware serial number

Question 10

Which THREE controls are considered effective 'Administrative' controls according to the NIST framework?

Accepted Answer

Access control policy. Administrative controls are policies, procedures, and management tasks rather than technical or physical hardware.

Answer

Biometric locks

Answer

Encryption