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ECCouncil Computer Hacking Forensic Investigator (V9) Questions 151–155 (page: 32)

Updated On: 10-Feb-2026

Operating System logs are most beneficial for Identifying or Investigating suspicious activities involving a particular host. Which of the following Operating System logs contains information about operational actions performed by OS components?

  1. Event logs
  2. Audit logs
  3. Firewall logs
  4. IDS logs

Answer(s): A



WPA2 provides enterprise and Wi-Fi users with stronger data protection and network access control which of the following encryption algorithm is used DVWPA2?

  1. RC4-CCMP
  2. RC4-TKIP
  3. AES-CCMP
  4. AES-TKIP

Answer(s): C



SIM is a removable component that contains essential information about the subscriber. It has both volatile and non-volatile memory. The file system of a SIM resides in _____________ memory.

  1. Volatile
  2. Non-volatile

Answer(s): B



Smith, as a part his forensic investigation assignment, has seized a mobile device. He was asked to recover the Subscriber Identity Module (SIM card) data the mobile device. Smith found that the SIM was protected by a Personal identification Number (PIN) code but he was also aware that people generally leave the PIN numbers to the defaults or use easily guessable numbers such as 1234. He unsuccessfully tried three PIN numbers that blocked the SIM card. What Jason can do in this scenario to reset the PIN and access SIM data?

  1. He should contact the device manufacturer for a Temporary Unlock Code (TUK) to gain access to the SIM
  2. He cannot access the SIM data in this scenario as the network operators or device manufacturers have no idea about a device PIN
  3. He should again attempt PIN guesses after a time of 24 hours
  4. He should ask the network operator for Personal Unlock Number (PUK) to gain access to the SIM

Answer(s): D



Volatile information can be easily modified or lost when the system is shut down or rebooted. It helps to determine a logical timeline of the security incident and the users who would be responsible.

  1. True
  2. False

Answer(s): A



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