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15 Cards in this Set
- Front
- Back
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A rabbit is what type of attack?
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Denial of service.
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What can you do to absolutely protect yourself from someone compromising your security?
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There's nothing you can do.
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The weakest link in security is which of the following?
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The human being.
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The network address for a machine whose IP address is 10.4.21.105 and net mask is 255.255.0.0 is which of the following?
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10.4.0.0
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What is the decimal equivalent of the hexadecimal value bd?
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189.
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What is the binary equivalent of the decimal value 204?
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11001100.
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What does a packet sniffer do?
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Allows a user to view all the packets transmitted on the local subnet.
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Which of the following can view a packet's data when it is sent over the internet?
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Any machine on a subnet the packet must travel through to get from the sending machine to the receiving machine.
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IP spoofing is the act of which of the following?
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Transmitting packets with a forged source IP address.
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What happens when a server's TCP backlog fills up with half-open connections?
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The server stops accepting new connections.
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The main task of a firewall is to do which of the following?
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Filter packets based on source IP address, filter packets based on destination IP address, filter packets based on source parts, filter packets based on destination port.
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When can a firewall protect against IP spoofing attacks?
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When there is a small finite number of subnets behind it.
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True or False.
A machine with no important or sensitive information stored on it has no need for security. |
False.
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What are acts that a hacker can commit after compromising the security of a computer system?
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Delete the contents of the hard disk, modify data, use this machine to gain access to other machines.
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A buffer overflow is what type of attack?
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Bug.
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