單項(xiàng)選擇題

What is true about SYN cookies？（）

A. All TCPoptions are supported， such as largewindows.
B. The server can have more than8 unique MSS values.
C. SYN cookies are not implemented as a method of defending against SYN floods.
D. SYN cookies are implemented as a method of defending against SYN floods.

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單項(xiàng)選擇題

Of the threats discussed below， what is the main advantage of using Cisco Secure Desktop which is part of the Cisco ASA VPN solution？（）

A. Secure desktop will create a completely separate computing environment thatwill be deleted when you are done.This ensures that no confidential data has been left on the shared/public computer.
B. Secure desktop is used to protect access to your registry and systemfiles when browsing to SSL/VPN protectedpages.
C. Secure Desktop ensures that an SSLprotected password cannotbe exploitedby a man in the middle attackusing a spoofed certificate.
D. Secure desktop hardens the operating system of the machines you are using at the time secure desktop islaunched.

多項(xiàng)選擇題

Which statements are true concerning NAT？（）

A. NAT provides 1 to manyaddress mapping.
B. NAT provides 1 to 1 address mapping.
C. NAT is only useful forTCP/UDP and ICMP traffic.
D. NAT can be used for all IP traffic.

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What is true about SYN cookies？（）

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Of the threats discussed below， what is the main advantage of using Cisco Secure Desktop which is part of the Cisco ASA VPN solution？（）

Which statements are true concerning NAT？ （）

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What is true about SYN cookies？（）

Of the threats discussed below， what is the main advantage of using Cisco Secure Desktop which is part of the Cisco ASA VPN solution？（）

Which statements are true concerning NAT？（）