giac gcfa practice test

Question 1

Adam, a malicious hacker has successfully gained unauthorized access to the Linux system of
Umbrella Inc. Web server of the company runs on Apache. He has downloaded sensitive documents
and database files from the computer. After performing these malicious tasks, Adam finally runs the
following command on the Linux command box before disconnecting.
for (( i = 0;i<11;i++ )); do
dd if=/dev/random of=/dev/hda && dd if=/dev/zero of=/dev/hda done
Which of the following actions does Adam want to perform by the above command?

• A. Making a bit stream copy of the entire hard disk for later download.
• B. Deleting all log files present on the system.
• C. Wiping the contents of the hard disk with zeros.
• D. Infecting the hard disk with polymorphic virus strings.

Question 2

Adam works as a Computer Hacking Forensic Investigator for a garment company in the United
States. A project has been assigned to him to investigate a case of a disloyal employee who is
suspected of stealing design of the garments, which belongs to the company and selling those
garments of the same design under different brand name. Adam investigated that the company does
not have any policy related to the copy of design of the garments. He also investigated that the
trademark under which the employee is selling the garments is almost identical to the original
trademark of the company. On the grounds of which of the following laws can the employee be
prosecuted?

• A. Trademark law
• B. Cyber law
• C. Copyright law
• D. Espionage law

Question 3

You work as a Network Administrator for Perfect Solutions Inc. You install Windows 98 on a
computer. By default, which of the following folders does Windows 98 setup use to keep the registry
tools?

• A. $SYSTEMROOT$REGISTRY
• B. $SYSTEMROOT$WINDOWS
• C. $SYSTEMROOT$WINDOWSREGISTRY
• D. $SYSTEMROOT$WINDOWSSYSTEM32

Question 4

Which of the following tools can be used to perform tasks such as Windows password cracking,
Windows enumeration, and VoIP session sniffing?

• A. John the Ripper
• B. L0phtcrack
• C. Obiwan
• D. Cain

Question 5

Which of the following type of file systems is not supported by Linux kernel?

• A. vFAT
• B. NTFS
• C. HFS
• D. FAT32

Question 6

Which of the following modules of OS X kernel (XNU) provides the primary system program
interface?

• A. BSD
• B. LIBKERN
• C. I/O Toolkit
• D. Mach

Question 7

You work as a Network Administrator for Blue Bell Inc. You want to install Windows XP Professional
on your computer, which already has Windows Me installed. You want to configure your computer to
dual boot between Windows Me and Windows XP Professional. You have a single 40GB hard disk.
Which of the following file systems will you choose to dual-boot between the two operating
systems?

• A. NTFS
• B. FAT32
• C. CDFS
• D. FAT

Question 8

John works as a professional Ethical Hacker. He has been assigned the project of testing the security
of www.we-are-secure.com. He receives the following e-mail:

The e-mail that John has received is an example of __________.

• A. Virus hoaxes
• B. Spambots
• C. Social engineering attacks
• D. Chain letters

Question 9

Which of the following Acts enacted in United States allows the FBI to issue National Security Letters
(NSLs) to Internet service providers (ISPs) ordering them to disclose records about their customers?

• A. Wiretap Act
• B. Computer Fraud and Abuse Act
• C. Economic Espionage Act of 1996
• D. Electronic Communications Privacy Act of 1986

Question 10

Choose the appropriate source of electronic evidences.

A.

Question 11

TCP FIN scanning is a type of stealth scanning through which the attacker sends a FIN packet to the
target port. If the port is closed, the victim assumes that this packet was sent mistakenly by the
attacker and sends the RST packet to the attacker. If the port is open, the FIN packet will be ignored
and the port will drop the packet. Which of the following operating systems can be easily identified
with the help of TCP FIN scanning?

• A. Solaris
• B. Red Hat
• C. Knoppix
• D. Windows

Question 12

Which of the following encryption methods uses AES technology?

• A. Dynamic WEP
• B. Static WEP
• C. TKIP
• D. CCMP

Question 13

Mark works as a security manager for SofTech Inc. He is using a technique for monitoring what the
employees are doing with corporate resources. Which of the following techniques is being used by
Mark to gather evidence of an ongoing computer crime if a member of the staff is e-mailing
company's secrets to an opponent?

• A. Electronic surveillance
• B. Civil investigation
• C. Physical surveillance
• D. Criminal investigation

Question 14

Which of the following is the first computer virus that was used to infect the boot sector of storage
media formatted with the DOS File Allocation Table (FAT) file system?

• A. Melissa
• B. Tequila
• C. Brain
• D. I love you

Question 15

Which of the following attacks saturates network resources and disrupts services to a specific
computer?

• A. Teardrop attack
• B. Polymorphic shell code attack
• C. Denial-of-Service (DoS) attack
• D. Replay attack