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.


您可能感興趣的試卷

你可能感興趣的試題

1.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.

2.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.

3.多項(xiàng)選擇題What technologies are included inAnti-X? ()

A. Content and URL filtering
B. Intrusion Prevention
C. VPN
D. Virus and Phishing protection
E. Content Caching

4.單項(xiàng)選擇題CSA protects your host by: ()

A. Preventing browsers from opening network sockets inlistening state.
B. Preventingbuffer overflows.
C. Preventingusers from entering unencrypted passwords
D. Preventing browsers from acting as client to webservers.

5.多項(xiàng)選擇題Choose the most correct statements about SMTP/ESMTP. ()

A. Open mail relays are often used for spamming.
B. ESMTP does NOT provide more security features than SMTP
C. SMTPdoes provide authenticated email sending."
D. Worms often spread via SMTP.

最新試題

Which of the following statements that describe Diffie Hellman Key exchange are correct? ()

題型:多項(xiàng)選擇題

CS-MARS works with which IOS feature to accomplish anomaly detection?()

題型:單項(xiàng)選擇題

For a router to obtain a certificate from a CA, what is the first stepof the certificate enrollment process?()

題型: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?()

題型:單項(xiàng)選擇題

Which should be the key driver for a company security policy’s creation, implementation and enforcement?()

題型:單項(xiàng)選擇題

CSA protects your host by: ()

題型:單項(xiàng)選擇題

Which two statements are correct about the aaa authentication login default grouptacacs+ localglobal configuration command? ()

題型:多項(xiàng)選擇題

ASDM on the ASA platform is executed as:()

題型:單項(xiàng)選擇題

Since HTTP is one of the most common protocols used in the internet, what should be done at a firewall level to ensure thatthe protocol is being used correctly? ()

題型:單項(xiàng)選擇題

In an L2TP voluntary tunneling scenario, the VPDN tunnel is terminated between:()

題型:單項(xiàng)選擇題