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312-50 PDF DEMO:
QUESTION NO: 1
A very useful resource for passively gathering information about a target company is:
A. Host scanning
B. Whois search
C. Traceroute
D. Ping sweep
Answer: B
QUESTION NO: 2
Your Certkiller trainee Sandra asks you which are the four existing Regional
Internet Registry (RIR's)?
A. APNIC, PICNIC, ARIN, LACNIC
B. RIPE NCC, LACNIC, ARIN, APNIC
C. RIPE NCC, NANIC, ARIN, APNIC
D. RIPE NCC, ARIN, APNIC, LATNIC
Answer: B
QUESTION NO: 3
You receive an email with the following message:
Hello Steve,
We are having technical difficulty in restoring user database record after the recent blackout. Your account data is corrupted. Please logon to the SuperEmailServices.com and change your password.
http://www.supermailservices.com@0xde.0xad.0xbe.0xef/support/logon.htm
If you do not reset your password within 7 days, your account will be permanently disabled locking you out from our e-mail services.
Sincerely,
Technical Support
SuperEmailServices
From this e-mail you suspect that this message was sent by some hacker since you have been using their e-mail services for the last 2 years and they have never sent out an e-mail such as this. You also observe the URL in the message and confirm your suspicion about 0xde.0xad.0xbde.0xef which looks like hexadecimal numbers.
You immediately enter the following at Windows 2000 command prompt:
Ping0xde.0xad.0xbe.0xef
You get a response with a valid IP address.
What is the obstructed IP address in the e-mail URL?
A. 222.173.190.239
B. 233.34.45.64
C. 54.23.56.55
D. 199.223.23.45
Answer: A
QUESTION NO: 4
Snort has been used to capture packets on the network. On studying the packets, the penetration tester finds it to be abnormal. If you were the penetration tester, why would you find this abnormal?
(Note: The student is being tested on concept learnt during passive OS fingerprinting, basic TCP/IP connection concepts and the ability to read packet signatures from a sniff dumo.)
05/20-17:06:45.061034 192.160.13.4:31337 -> 172.16.1.101:1
TCP TTL:44 TOS:0x10 ID:242
***FRP** Seq: 0XA1D95 Ack: 0x53 Win: 0x400
...
05/20-17:06:58.685879 192.160.13.4:31337 ->
172.16.1.101:1024
TCP TTL:44 TOS:0x10 ID:242
***FRP** Seg: 0XA1D95 Ack: 0x53 Win: 0x400
What is odd about this attack? (Choose the most appropriate statement)
A. This is not a spoofed packet as the IP stack has increasing numbers for the three flags.
B. This is back orifice activity as the scan comes from port 31337.
C. The attacker wants to avoid creating a sub-carrier connection that is not normally valid.
D. There packets were created by a tool; they were not created by a standard IP stack.
Answer: B
QUESTION NO: 5
How does Traceroute map the route that a packet travels from point A to point B?
A. It uses a TCP Timestamp packet that will elicit a time exceed in transit message.
B. It uses a protocol that will be rejected at the gateways on its way to its destination.
C. It manipulates the value of time to live (TTL) parameter packet to elicit a time exceeded in transit message.
D. It manipulated flags within packets to force gateways into generating error messages.
Answer: C
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Updated: May 27, 2022