最新なEC-COUNCIL 312-50問題集（765題）、真実試験の問題を全部にカバー！

質問 1：
When working with Windows systems, what is the RID of the true administrator account?
A. 500
B. 1024
C. 1000
D. 1001
E. 501
F. 512
正解：A
解説: (Pass4Test メンバーにのみ表示されます)

質問 2：
What is the following command used for?
net use \targetipc$ "" /u:""
A. Connecting to a Linux computer through Samba.
B. Grabbing the etc/passwd file
C. Grabbing the SAM
D. Enumeration of Cisco routers
E. This command is used to connect as a null session
正解：E
解説: (Pass4Test メンバーにのみ表示されます)

質問 3：
What are the default passwords used by SNMP?(Choose two.)
A. Administrator
B. Public
C. Password
D. Blank
E. SA
F. Private
正解：B,F
解説: (Pass4Test メンバーにのみ表示されます)

質問 4：
What are two things that are possible when scanning UDP ports? (Choose two.
A. An ICMP message will be returned
B. A reset will be returned
C. Nothing
D. The four-way handshake will not be completed
E. An RFC 1294 message will be returned
正解：A,C
解説: (Pass4Test メンバーにのみ表示されます)

質問 5：
Which of the following statements best describes the term Vulnerability?
A. An action or event that might prejudice security
B. An agent that has the potential to take advantage of a weakness
C. A weakness or error that can lead to a compromise
D. The loss potential of a threat.
正解：C
解説: (Pass4Test メンバーにのみ表示されます)

質問 6：
You ping a target IP to check if the host is up. You do not get a response. You suspect ICMP is blocked at the firewall. Next you use hping2 tool to ping the target host and you get a response. Why does the host respond to hping2 and not ping packet?
[ceh]# ping 10.2.3.4
PING 10.2.3.4 (10.2.3.4) from 10.2.3.80 : 56(84) bytes of data.
--- 10.2.3.4 ping statistics ---
3 packets transmitted, 0 packets received, 100% packet loss
[ceh]# ./hping2 -c 4 -n -i 2 10.2.3.4
HPING 10.2.3.4 (eth0 10.2.3.4): NO FLAGS are set, 40 headers +
0 data bytes
len=46 ip=10.2.3.4 flags=RA seq=0 ttl=128 id=54167 win=0 rtt=0.8 ms
len=46 ip=10.2.3.4 flags=RA seq=1 ttl=128 id=54935 win=0 rtt=0.7 ms
len=46 ip=10.2.3.4 flags=RA seq=2 ttl=128 id=55447 win=0 rtt=0.7 ms
len=46 ip=10.2.3.4 flags=RA seq=3 ttl=128 id=55959 win=0 rtt=0.7 ms
--- 10.2.3.4 hping statistic ---
4 packets tramitted, 4 packets received, 0% packet loss
round-trip min/avg/max = 0.7/0.8/0.8 ms
A. hping2 uses stealth TCP packets to connect
B. hping2 uses TCP instead of ICMP by default
C. ping packets cannot bypass firewalls
D. you must use ping 10.2.3.4 switch
正解：B
解説: (Pass4Test メンバーにのみ表示されます)

質問 7：
Why would you consider sending an email to an address that you know does not exist within the company you are performing a Penetration Test for?
A. To perform a DoS
B. To test for virus protection
C. To create needless SPAM
D. To determine who is the holder of the root account
E. To illicit a response back that will reveal information about email servers and how they treat undeliverable mail
正解：E
解説: (Pass4Test メンバーにのみ表示されます)

質問 8：
How does a denial-of-service attack work?
A. A hacker prevents a legitimate user (or group of users) from accessing a service
B. A hacker uses every character, word, or letter he or she can think of to defeat authentication
C. A hacker attempts to imitate a legitimate user by confusing a computer or even another person
D. A hacker tries to decipher a password by using a system, which subsequently crashes the network
正解：A
解説: (Pass4Test メンバーにのみ表示されます)