Free CEH-001 Exam Braindumps (page: 39)

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Charlie is the network administrator for his company. Charlie just received a new Cisco router and wants to test its capabilities out and to see if it might be susceptible to a DoS attack resulting in its locking up. The IP address of the Cisco switch is 172.16.0.45. What command can Charlie use to attempt this task?

  1. Charlie can use the command. ping -l 56550 172.16.0.45 -t.
  2. Charlie can try using the command. ping 56550 172.16.0.45.
  3. By using the command ping 172.16.0.45 Charlie would be able to lockup the router
  4. He could use the command. ping -4 56550 172.16.0.45.

Answer(s): A



What type of encryption does WPA2 use?

  1. DES 64 bit
  2. AES-CCMP 128 bit
  3. MD5 48 bit
  4. SHA 160 bit

Answer(s): B



Attackers send an ACK probe packet with random sequence number, no response means port is filtered (Stateful firewall is present) and RST response means the port is not filtered.
What type of Port Scanning is this?

  1. RST flag scanning
  2. FIN flag scanning
  3. SYN flag scanning
  4. ACK flag scanning

Answer(s): D



What is the command used to create a binary log file using tcpdump?

  1. tcpdump -w ./log
  2. tcpdump -r log
  3. tcpdump -vde logtcpdump -vde ? log
  4. tcpdump -l /var/log/

Answer(s): A






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