最新なEC-COUNCIL 312-38問題集（348題）、真実試験の問題を全部にカバー！

質問 1：
John is a network administrator and is monitoring his network traffic with the help of Wireshark. He suspects that someone from outside is making a TCP OS fingerprinting attempt on his organization's network. Which of the following Wireshark filter(s) will he use to locate the TCP OS fingerprinting attempt?
A. Tcp.options.mss_val<1460
B. Tcp.flags=0x00
C. Tcp.options.wscale_val==20
D. Tcp.flags==0x2b
正解：A
解説: (Pass4Test メンバーにのみ表示されます)

質問 2：
As a network administrator, you have implemented WPA2 encryption in your corporate wireless network. The WPA2's_________integrity check mechanism provides security against a replay attack
A. CRC-MAC
B. CBC-MAC
C. CBC-32
D. CRC-32
正解：B
解説: (Pass4Test メンバーにのみ表示されます)

質問 3：
Which command is used to change the permissions of a file or directory?
A. kill
B. systemctl
C. rmdir
D. chmod
正解：D
解説: (Pass4Test メンバーにのみ表示されます)

質問 4：
The IR team and the network administrator have successfully handled a malware incident on the network. The team is now preparing countermeasure guideline to avoid a future occurrence of the malware incident.
Which of the following countermeasure(s) should be added to deal with future malware incidents? (Select all that apply)
A. Implementing a strong password policy
B. Implementing strong authentication schemes
C. Install antivirus software
D. Complying with the company's security policies
正解：A,B,C,D
解説: (Pass4Test メンバーにのみ表示されます)

質問 5：
Larry is responsible for the company's network consisting of 300 workstations and 25 servers. After using a hosted email service for a year, the company wants to control the email internally. Larry likes this idea because it will give him more control over the email. Larry wants to purchase a server for email but does not want the server to be on the internal network due to the potential to cause security risks. He decides to place the server outside of the company's internal firewall. There is another firewall connected directly to the Internet that will protect traffic from accessing the email server. The server will be placed between the two firewalls. What logical area is Larry putting the new email server into?
A. For security reasons, Larry is going to place the email server in the company's Logical Buffer Zone (LBZ).
B. He will put the email server in an IPsec zone.
C. He is going to place the server in a Demilitarized Zone (DMZ)
D. Larry is going to put the email server in a hot-server zone.
正解：C
解説: (Pass4Test メンバーにのみ表示されます)

質問 6：
Which type of wireless network attack is characterized by an attacker using a high gain amplifier from a nearby location to drown out the legitimate access point signal?
A. Jamming signal attack
B. Ad Hoc Connection attack
C. Rogue access point attack
D. Unauthorized association
正解：A
解説: (Pass4Test メンバーにのみ表示されます)