GAQM CPEH-001 問題集

質問 1：
The Slammer Worm exploits a stack-based overflow that occurs in a DLL implementing the Resolution Service. Which of the following Database Server was targeted by the slammer worm?
A. Sybase
B. DB2
C. Oracle
D. MSSQL
E. MySQL
正解：D
解説: (Topexam メンバーにのみ表示されます)

質問 2：
You perform the above traceroute and notice that hops 19 and 20 both show the same IP address.

This probably indicates what?
A. A host based IDS
B. A Honeypot
C. An application proxying firewall
D. A stateful inspection firewall
正解：D

質問 3：
What port scanning method involves sending spoofed packets to a target system and then looking for adjustments to the IPID on a zombie system?
A. Blind Port Scanning
B. Idle Scanning
C. Bounce Scanning
D. UDP Scanning
E. Stealth Scanning
正解：B
解説: (Topexam メンバーにのみ表示されます)

質問 4：
When analyzing the IDS logs, the system administrator noticed an alert was logged when the external router was accessed from the administrator's computer to update the router configuration. What type of an alert is this?
A. False negative
B. True positve
C. True negative
D. False positive
正解：D

質問 5：
A Trojan horse is a destructive program that masquerades as a benign application. The software initially appears to perform a desirable function for the user prior to installation and/or execution, but in addition to the expected function steals information or harms the system.

The challenge for an attacker is to send a convincing file attachment to the victim, which gets easily executed on the victim machine without raising any suspicion. Today's end users are quite knowledgeable about malwares and viruses. Instead of sending games and fun executables, Hackers today are quite successful in spreading the Trojans using Rogue security software. What is Rogue security software?
A. A flash file extension to Firefox that gets automatically installed when a victim visits rogue software disabling websites
B. Rogue security software is based on social engineering technique in which the attackers lures victim to visit spear phishing websites
C. A Fake AV program that claims to rid a computer of malware, but instead installs spyware or other malware onto the computer. This kind of software is known as rogue security software.
D. This software disables firewalls and establishes reverse connecting tunnel between the victim's machine and that of the attacker
正解：C

質問 6：
Which Type of scan sends a packets with no flags set? Select the Answer
A. Half-Open Scan
B. Null Scan
C. Xmas Scan
D. Open Scan
正解：B
解説: (Topexam メンバーにのみ表示されます)

質問 7：
Which of the following can the administrator do to verify that a tape backup can be recovered in its entirety?
A. Read the first 512 bytes of the tape.
B. Restore a random file.
C. Read the last 512 bytes of the tape.
D. Perform a full restore.
正解：D

質問 8：
Matthew re-injects a captured wireless packet back onto the network. He does this hundreds of times within a second. The packet is correctly encrypted and Matthew assumes it is an ARP request packet. The wireless host responds with a stream of responses, all individually encrypted with different IVs. What is this attack most appropriately called?
A. Spoof attack
B. Injection attack
C. Rebound attack
D. Replay attack
正解：D
解説: (Topexam メンバーにのみ表示されます)

質問 9：
An employee wants to defeat detection by a network-based IDS application. He does not want to attack the system containing the IDS application. Which of the following strategies can be used to defeat detection by a network-based IDS application? (Choose the best answer)
A. Create a ping flood.
B. Create a multiple false positives.
C. Create a network tunnel.
D. Create a SYN flood.
正解：C
解説: (Topexam メンバーにのみ表示されます)