A. decrypts the received MAC using a secret key
B. compares the computed MAC vs. the MAC received
C. authenticate the receivedmessage using the sender’s public key
D. look up the sender’s public key
E. extracts the MAC from the receivedmessage thenencrypts the received message with a secret keyto producethe MAC
F. Computes the MAC using the receivedmessage and a secret key as inputs to the hash function
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A.An irreversible fast encryption method
B.A reversible fast encryption method
C.A reversible value computed from a piece of data and used to detect modifications
D.An irreversible value computed froma piece of data and used to detect modifications
E.A table inwhich values are stored for efficient retrieval.
A. enables IOS to copy the ToS field from the inner （original） IPheader to theouter tunnel IP header
B. enables IOS to make a copy of the inner （original） IP header and to run a QoS classification before encryption， based on fields in the inner IP header.
C. enables IOS to classify packets based on the ToS field in the inner （original） IP header
D. enables IOS to classify packets based on the ToS field in the outer tunnel IP header
E. enables the IOS classification engine to only see a single encrypted and tunneledflow to reduce classification complexity
A.Asymmetric ciphers use pre-shared keys
B.Symmetric ciphers are faster to compute
C.Asymmetric ciphers are faster to compute
D.Asymmetric ciphers use public and private
A. policy based routing （PBR）
B. unicast reverse path forwarding （uRPF）
C. lock and keyACL
D. RFC 1918filtering
E. IP source routing
A. Man-in-themiddle attack
B. Spoof attack
C. Land.C attack
D. Buffer Overflow
E. Day zero attack
F. Trojan Horse
最新試題
Choose the most correct statements about SMTP/ESMTP. （）
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 access methods can CS-MARS use toget configuration information from an Adaptive SecurityAppliance （ASA）？ （）
What are the header sizes for point-to-point and multi-point GRE（also known asmGRE） with tunnel key？（）
Which should be the key driver for a company security policy’s creation， implementation and enforcement？（）
Select the two correctstatements from the list below that describe DES and 3DES： （）
ASDM on the ASA platform is executed as：（）
Which one of the following is NOT a supported IKE attribute？（）
For a router to obtain a certificate from a CA， what is the first stepof the certificate enrollment process？（）
CSA protects your host by： （）