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PKI（Public Key Infrastructure）体系定义了完整的身份认证、数字签名、权限管理标准。
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考题
In a public-key cryptosystem,(71)encrypted with the public key can only be deciphered with the private key from the same(72). Conversely,(71)encrypted with the private key can be decrypted only with the public key. Users can make their public keys(73)available or place them at a key distribution center or others to access. However, the private key must be(74)safe. In public-key systems there's no(75)to find a safe channel for communicating a shared secret key.A．binarytextB．hypertextC．plaintextD．supertext
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Public Key Infrastructure(PKI) service providers offer organizations fully integrated PKI-managed services designed to secure Intranet, Extranet, Virtual Private Network(VPN), and e-commerce applications. PKI solutions can enable a number of security services, including strong authentication and non-repudiation of transactions.eToken enables the users of PKI systems to generate and store(101)and digital certificates inside the token, creating a secure environment and allowing full portability and maximum ease of use. eToken Pro can also perform. sensitive on-chip(102)operations, ensuring that users' keys axe never exposed to the PC environment, eToken eliminates the need to store(103)and keys on a hard disk or browser file, or to transmit them across the Internet/Extranet; assuring peace-of-mind and confidence during online communications.A digital signature is created using the private key of an individual to ensure the Validity of his request. This technology can be used to guarantee(104)of various transactions. The strength of either the authentication level or the digital signature relies on the level of protection offered to the private key. eToken Pro offers the maximum level of security, since it enables the use of the private key for signing and authenticating inside the eToken.The most secure use of authentication involves enclosing at least one certificate with every signed message. The message(105)verifies the certificate using the CA's public key. If the sender's public key is legitimate, the recipient verifies the message's signature. Digital signatures created with a private key are verified with the digital certificate containing the public key.A．private keysB．public keysC．authentication codesD．message digests
考题
Which of the following authenticates a web server to the remote client in PKI?()
A.FQDNB.DNS nameC.Public keyD.Private key
考题
Symmetric, or private-key, encryption is based on a secret key that is shared by both communcating parties. The （ ） party uses the secret key as part of the mathematical operation to encrypt （ ） text to cipher text. The receiving party uses the same secret key to decrypt the cipher text to plain text. Asymmetric, or public-key, encryption uses two different keys for each user: one is a （ ） key known only to this one user; the other is a corresponding public key, which is accessible to anyone. The private and public keys are mathematically related by the encryption algorithm. One key ia used for encyption and the other for decryption, depending on the nature of the communication service being implemented. In addition, public key encryption technoligies allow digital （ ） to be placed on messages. A digital signature uses the senders private key to encrypt some portion of the message. When the message is received, the receiver uses the senders （ ） key tp decipher the digital signature to verify the senders identity.A.host B.terminal C.sending D.receiving A.plain B.cipher C.public D.private A.plain B.cipher C.public D.private A.interpretation B.signatures C.encryption D.decryption A.plain B.cipher C.public D.private
考题
Symmetric, or private-key, encryption is based on a secret key that is shared by both communcating parties. The （ ） party uses the secret key as part of the mathematical operation to encrypt （ ） text to cipher text. The receiving party uses the same secret key to decrypt the cipher text to plain text. Asymmetric, or public-key, encryption uses two different keys for each user: one is a （ ） key known only to this one user; the other is a corresponding public key, which is accessible to anyone. The private and public keys are mathematically related by the encryption algorithm. One key ia used for encyption and the other for decryption, depending on the nature of the communication service being implemented. In addition, public key encryption technoligies allow digital （_______） to be placed on messages. A digital signature uses the sender's private key to encrypt some portion of the message. When the message is received, the receiver uses the sender's （） key tp decipher the digital signature to verify the sender's identity.横线处应选（ ）。
A. interpretation
B.signatures
C. encryption
D.decryption
考题
Which of the following is NOT related to a Public key infrastructure (PKI)?以下哪个概念与公钥基础设施（PKI）无关？（）A、A X.509 certificate（X.509证书）B、A Ticket Granting Service（票据授予服务）C、A Registration authority（注册机构）D、A Certificate authority（证书机构）
考题
For a router to obtain a certificate from a CA， what is the first stepof the certificate enrollment process？（）A、 the router generates a certificate request and forwards it tothe CAB、 the router generates an RSA key pairC、 the router sends its public key to the CAD、 the CA sends its public key to the routerE、 the CA verifies the identity of the routerF、 the CA generates a certificate request and forwards it to the router
考题
For the following statements， which one is perceived as a drawback of implementing Fibre ChannelAuthentication Protocol （FCAP）？（）A、It is restricted in size to only three segmentsB、It requires the use of netBT as the network protocolC、It requires the implementation of IKED、It relies on an underlying Public Key Infrastructure
考题
Which of the following authenticates a web server to the remote client in PKI?（）A、FQDNB、DNS nameC、Public keyD、Private key
考题
PKI是（）。A、Private Key InfrastructureB、Public Key InstituteC、Public Key Infrastructure公钥基础设施D、Private Key Institute
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public class Key { private long id1； private long 1d2； // class Key methods } A programmer is developing a class Key， that will be used as a key in a standard java.util.HashMap. Which two methods should be overridden to assure that Key works correctly as a key？（）A、 public int hashCode（）B、 public boolean equals（Key k）C、 public int compareTo（Object o）D、 public boolean equals（Object o）E、 public boolean compareTo（Key k）
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Which two statements about the Diffie-Hellman （DH） key exchange process are correct？（）A、In the DH key exchange process， the session key is never passed across the network.B、In the DH key exchange process， the public and private keys are mathematically related using the DH algorithm.C、In the DH key exchange process， the session key is passed across the network to the peer for confirmation.D、In the DH key exchange process， the public and private keys are not mathematically related， ensuring higher security
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Which of the following provides the underlying trust infrastructure to enable easy and secure sharing of information organizations and in cross-premises organizations？（）A、Public Key InfrastructureB、Role-based access controlC、FederationD、Digital certificate
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PKI的全称是（）。A、Private Key IntrusionB、Public Key IntrusionC、Private Key InfrastructureD、Public Key Infrastructure
考题
PKI是（）。A、Private Key lnfrastructureB、Public Key lnstituteC、Public Key lnfrastructureD、Private Key lnstitute
考题
单选题Which of the following is NOT related to a Public key infrastructure (PKI)?以下哪个概念与公钥基础设施（PKI）无关？（）A
A X.509 certificate（X.509证书）B
A Ticket Granting Service（票据授予服务）C
A Registration authority（注册机构）D
A Certificate authority（证书机构）
考题
单选题PKI是（）。A
Private Key lnfrastructureB
Public Key lnstituteC
Public Key lnfrastructureD
Private Key lnstitute
考题
单选题PKI是（）。A
Private Key InfrastructureB
Public Key InstituteC
Public Key Infrastructure公钥基础设施D
Private Key Institute
考题
单选题What is the objective of Diffie-Hellman？（）A
used to verify the identity of the peerB
used between the initiator and the responder to establish a basic security policyC
used to establish a symmetric shared key via a public key exchange processD
used for asymmetric public key encryption
考题
单选题Which of the following authenticates a web server to the remote client in PKI?（）A
FQDNB
DNS nameC
Public keyD
Private key
考题
单选题For a router to obtain a certificate from a CA， what is the first stepof the certificate enrollment process？（）A
the router generates a certificate request and forwards it tothe CAB
the router generates an RSA key pairC
the router sends its public key to the CAD
the CA sends its public key to the routerE
the CA verifies the identity of the routerF
the CA generates a certificate request and forwards it to the router
考题
多选题Which two statements about the Diffie-Hellman （DH） key exchange process are correct？（）AIn the DH key exchange process， the session key is never passed across the network.BIn the DH key exchange process， the public and private keys are mathematically related using the DH algorithm.CIn the DH key exchange process， the session key is passed across the network to the peer for confirmation.DIn the DH key exchange process， the public and private keys are not mathematically related， ensuring higher security
考题
多选题Which two statements about the Diffie-Hellman (DH) key exchange process are correct? （）(Choose two.)AIn the DH key exchange process, the session key is never passed across the network.BIn the DH key exchange process, the public and private keys are mathematically related using the DH algorithm.CIn the DH key exchange process, the session key is passed across the network to the peer for confirmation.DIn the DH key exchange process, the public and private keys are not mathematically related, ensuring higher security
考题
单选题For the following statements， which one is perceived as a drawback of implementing Fibre ChannelAuthentication Protocol （FCAP）？（）A
It is restricted in size to only three segmentsB
It requires the use of netBT as the network protocolC
It requires the implementation of IKED
It relies on an underlying Public Key Infrastructure
考题
判断题PKI（Public Key Infrastructure）体系定义了完整的身份认证、数字签名、权限管理标准。A
对B
错
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