A.These attacks send multiple FIN segments forcing TCP connection release.
B.These attacks fill up a hosts’ listen queue by failing to ACK partially openedTCPconnections.
C.These attacks take advantage of the hosts transmit backoff algorithm by sending jam signals to the host.
D.These attacks increment the ISN of each segment by a random number causing constant TCP retransmissions.
E.These attacks send TCP RST segments in response toconnection SYN+ACK segments forcing SYN retransmissions.
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A. PFS group.
B. Encryption algorithm.
C. Hashing Algorithm.
D. Authenticationmethod.
E. Lifetime duration.
A. 3DES is muchmore secure than DES.
B. Both DES and 3DES are stream ciphers.
C. DES uses 64 bitkeys， although the effective key lengthis only 56bits.
D. The decryption operation for both DES and 3DES is the same as the encryption operation.
E. DES can only be used for encryption， whereas 3DES can also be used for authentication.
A. tunnel source
B. tunnel destination
C. tunnel key
D. ip address
E. tunnelvrf
A. group 3
B. group 1
C. group 5
D. group 7
A. Access-reject
B. Access-response
C. Access-challenge
D. Access-reply
E. Access-accept
A. Class-Based Policing
B. Control Plane Policing
C. Dual-Rate Policier
D. Single-Rate Policier
E. Class-BasedTraffic Shaper
A. The RADIUSVendor Specific Attribute type is decimal 26.
B. A radius server that does not understandthevendor-specific information sent by a clientmust reject the authentication request.
C. A vendor can freely choose theVendor-ID it wants to use when implementing Vendor Specific Attributes as long as the same Vendor-ID is used on all of its products.
D. Vendor Specific AttributeMUST include the Length field.
E. In Cisco’s Vendor Specific Attribute implementation， vendor-ID of 1 is commonly referred to as Cisco AV（Attribute Value） pairs.
F. Vendor Specific Attributes use a RADIUS attribute type between 127 and 255.
A. ACCESS REQUEST
B. ACCESS ACCEPT
C. CONTINUE
D. CHALLENGE
E. REPLY
F. START
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.
A. SSL Handshake Protocol
B. SSLAlert Protocol
C. SSL Record Protocol
D. SSL Change CipherSpec Protocol
最新試題
Which statements are true concerning NAT？ （）
Which two statements are correct about the aaa authentication login default grouptacacs+ localglobal configuration command？ （）
Which IOS QoS mechanism is used strictly to rate limit traffic destinedto the router itself？（）
Which one of the following is NOT a valid RADIUS packet type？（）
CS-MARS works with which IOS feature to accomplish anomaly detection？（）
Which ones are the two type of ciphers？（）
What is true about SYN cookies？（）
Which SSL protocol takes anapplication message tobe transmitted， fragments the datainto manageable blocks， optionally compresses the data， applies a MAC， encrypts， adds a header， and transmits the resulting unit ina TCPsegment？（）
In an L2TP voluntary tunneling scenario， the VPDN tunnel is terminated between：（）
Of the threats discussed below， what is the main advantage of using Cisco Secure Desktop which is part of the Cisco ASA VPN solution？（）