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Q221. What port scanning method is the most reliable but also the most detectable?
A. Null Scanning
B. Connect Scanning
C. ICMP Scanning
D. Idlescan Scanning
E. Half Scanning
F. Verbose Scanning
Answer: B
Q222. Steve scans the network for SNMP enabled devices. Which port number Steve should scan?
A. 150
B. 161
C. 169
D. 69
Answer: B
Q223. You find the following entries in your web log. Each shows attempted access to either root.exe or cmd.exe.
What caused this?
A. The Morris worm
B. The PIF virus
C. Trinoo
D. Nimda
E. Code Red
F. Ping of Death
Answer: D
Q224. What two things will happen if a router receives an ICMP packet, which has a TTL value of 1, and the destination host is several hops away? (Select 2 answers)
A. The router will discard the packet
B. The router will decrement the TTL value and forward the packet to the next router on the path to the destination host
C. The router will send a time exceeded message to the source host
D. The router will increment the TTL value and forward the packet to the next router on the path to the destination host.
E. The router will send an ICMP Redirect Message to the source host
Answer: AC
Q225. Which.type of.antenna is used in wireless communication?
A. Omnidirectional
B. Parabolic
C. Uni-directional
D. Bi-directional
Answer: A
Up to the immediate present bittorrent 312-50v8 vce:
Q226. Exhibit
(Note: the student is being tested on concepts learnt during passive OS fingerprinting, basic TCP/IP connection concepts and the ability to read packet signatures from a sniff dump.)
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?
What is odd about this attack? Choose the best answer.
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 form port 31337.
C. The attacker wants to avoid creating a sub-carries connection that is not normally valid.
D. These packets were crafted by a tool,they were not created by a standard IP stack.
Answer: B
Q227. A company has publicly hosted web applications and an internal Intranet protected by a firewall..Which technique will help protect against enumeration?
A. Reject all invalid email received via SMTP.
B. Allow full DNS zone transfers.
C. Remove A records for internal hosts.
D. Enable null session pipes.
Answer: C
Q228. Which tool can be used to silently copy files from USB devices?
A. USB Grabber
B. USB Dumper
C. USB Sniffer
D. USB Snoopy
Answer: B
Q229. What is the proper response for a X-MAS scan if the port is closed?
A. SYN
B. ACK
C. FIN
D. PSH
E. RST
F. No response
Answer: E
Q230. Which.type of access control is used on a router or firewall to limit network activity?
A. Mandatory
B. Discretionary
C. Rule-based
D. Role-based
Answer: C
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