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名词解释题
HMAC的原理
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Which IS－IS authentication method is supported on the ERX Edge Router?()
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Refertotheexhibit.TheLinksysrouterinthediagramisperformingpNAT(portnetworkaddresstranslation).Whathashalgorithmshouldyouchooseandwhy?()
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What authentication type is used by SNMPv2?()
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Which two data intergrity algorithms are commonly used in VPN solutions?()
A.HMAC-MD5B.RSAC.HMAC-SHA-1D.DH1E.DH2
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What authentication type is used by SNMPv2?（）A、HMAC-MD5B、HMAC-SHAC、CBC-DESD、community strings
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Which IS-IS authentication method is supported on the ERX Edge Router?（）A、simple passwordB、HMAC message digest 5C、Password Authentication ProtocolD、Challenge Handshake Authentication Protocol
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SNMPv3 authorizes management operations only by configured users and encrypts SNMP messages. Which authentication protocols does Cisco NX-OS Software use for SNMPv3？（）A、 NMAC-SHA-96 authentication protocolB、 HMAC-MD5-96 authentication protocolC、 Community String Match protocolD、 NMAC-MD5-96 authentication protocolE、 HMAC-SHA-96 authentication protocol
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Which two data intergrity algorithms are commonly used in VPN solutions?（）A、HMAC-MD5B、RSAC、HMAC-SHA-1D、DH1E、DH2
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Which of the following statements are true？ （）A、 RC4 is a stream cipherB、 Stream ciphers require paddingC、 AES is a block cipherD、 DES and 3DES are stream ciphersE、 AES is a stream cipherF、 AES， DES， and 3DES can be used as HMAC algorithms
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多选题Which of the following statements are true？ （）ARC4 is a stream cipherBStream ciphers require paddingCAES is a block cipherDDES and 3DES are stream ciphersEAES is a stream cipherFAES， DES， and 3DES can be used as HMAC algorithms
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判断题基于Hash函数的HMAC方法可以用于数据完整性校验A
对B
错
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