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Question 1: Prevention of attacks Denial of service attacks (DDOS)
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Only a firewall can be used
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Can be limited by programming
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Currently there is a way to effectively prevent
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The only effective way is to store and restore (backup and restore)
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Question 2: Buffer once
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Lock is only used once
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May not be safe due to distribution
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Generate random lock
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All right
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Question 3: In DAC, which model uses static and dynamic graph structure
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Multi-level database access model
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Take-grant model
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Access matrix model
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Acten Model (Action. Entity)
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Question 4: RSA is an algorithm
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Public code
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Is the name of an international organization for encryption
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Private key code
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All is wrong
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Question 5: One of two approaches to symmetric code attack
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Attack find key
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Full browser attack
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Attack find the clear version
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All is wrong
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Question 6: Which of the following security structures is used with WAP wireless standard?
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WTLS
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SSL
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HTTPS
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WEP encryption
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Question 7: The most effective and safe access control method for wireless networks is
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WEP encryption 40 bits
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VPN
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Identify network security
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WEP 128 bit encryption
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Question 8: MAC address filter is defined as
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Personal firewall
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Prevent access from a certain MAC address
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Permitted access to a certain MAC address
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All right
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Question 9: Which of the following wireless security structures is the least secure?
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VPN
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WEP encryption 40 bits
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Secure network identity
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WEP 128 bit encryption
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Question 10: Which WEP encryption level should be set on an 802.11b network?
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128 bit
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40 bits
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28 bit
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16 bit
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Network safety
good questions
information security
network administration
how to ensure network safety
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