A. MD5 produces a 160-bit result.
B. SHA-256 is an extension to SHA-1 with a longer output.
C. MD5 takes more CPU cycles to compute than SHA-1.
D. Changing1 bit of the input to SHA-1 changes 1 bit of the output.
E. SHA-1 is stronger than MD5 because it can be used with a key to prevent modification.
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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
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
最新試題
When implementing internet standards you are required to follow RFC’s processes and procedures based onwhat RFC？（）
When implementing best practices for IP Source Address Spoofing and Defeating Denial of Service Attacks with IP SourceAddress Spoofing， what RFC is commonly usedto protect your network？（）
Which access methods can CS-MARS use toget configuration information from an Adaptive SecurityAppliance （ASA）？ （）
Which statements are true concerning NAT？ （）
Which Cisco security software product mitigates Day Zero attacks on desktops and servers - stopping known and unknown attacks without requiring reconfigurations or updates on the endpoints？（）
When configuring a multipoint GRE （mGRE） tunnel interface， which one of the following is NOT a valid configuration option：（）
What is true about SYN cookies？（）
In an L2TP voluntary tunneling scenario， the VPDN tunnel is terminated between：（）
What technologies are included inAnti-X？ （）
Which one of the following is NOT a valid RADIUS packet type？（）