A. RC4 is a stream cipher
B. Stream ciphers require padding
C. AES is a block cipher
D. DES and 3DES are stream ciphers
E. AES is a stream cipher
F. AES, DES, and 3DES can be used as HMAC algorithms
您可能感興趣的試卷
你可能感興趣的試題
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.
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
最新試題
What Cisco Switch feature best protects against CAM table overflow attacks?()
CSA protects your host by: ()
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? ()
What group in Cisco IOS does 1536-bit Diffie-Hellman prime modulus equivalent too?()
CS-MARS works with which IOS feature to accomplish anomaly detection?()
What technologies are included inAnti-X? ()
Which of these is the best way to provide sender non-repudiation?()
When implementing internet standards you are required to follow RFC’s processes and procedures based onwhat RFC?()
Choose the most correct statements about SMTP/ESMTP. ()
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?()