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
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
相关考题：
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
Which statement is true regarding a session key in the Diffie－Hellman key－exchange process?() A. A session key value is exchanged across the network.B. A session key never passes across the network.C. A session key is used as the key for asymmetric data encryption.D. A session key is used as the key for symmetric data encryption.
Which two statements about the Diffie－Hellman (DH) key exchange process are correct? ()(Choose two.) 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
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
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. interpretationB.signaturesC. encryptionD.decryption
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. plainB. cipherC.publicD.private
Which three are distinctions between asymmetric and symmetric algorithms？ （）A、Only symmetric algorithms have a key exchange technology built inB、Asymmetric algorithms are used quite often as key exchange protocols for symmetricalgorithmsC、Only asymmetric algorithms have a key exchange technology built inD、Asymmetric algorithms are based on more complex mathematical computations
Which statement is true about a certificate authority？（）A、An entity responsible for registering the private key encryption used in a PKIB、An agency responsible for granting and revoking public-private key pairsC、A trusted third party responsible for signing the public keys of entities in a PKIbased systemD、A trusted third party responsible for signing the private keys of entities in a PKIbased system
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
Which of the following statements that describe Diffie Hellman Key exchange are correct？ （）A、 A DH key exchange is an algorithm that utilizes asymmetric cryptographic keys.B、 The DH key exchange is used to establish a shared secret over an insecure medium during an IPSec phase 1 exchange.C、 The DH exchange is susceptible to man-in-the-middle attacks.D、 The DH exchange is used to authenticate the peer device duringan IPSec phase 1 exchange.E、A DH exchange provides Perfect Forward Secrecy （PFS）.
Which statement is true regarding a session key in the Diffie-Hellman key-exchange process?（）A、A session key value is exchanged across the network.B、A session key never passes across the network.C、A session key is used as the key for asymmetric data encryption.D、A session key is used as the key for symmetric data encryption.
Which description about asymmetric encryption algorithms is correct？（）A、They use the same key for encryption and decryption of data.B、They use different keys for decryption but the same key for encryption of data.C、They use different keys for encryption and decryption of data.D、They use the same key for decryption but different keys for encryption of data.
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）
Which two statements about the Diffie-Hellman (DH) key exchange process are correct? （）(Choose two.)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
Which two statements regarding symmetric key encryption are true?（） (Choose two.)A、The same key is used for encryption and decryption.B、It is commonly used to create digital certificate signatures.C、It uses two keys: one for encryption and a different key for decryption.D、An attacker can decrypt data if the attacker captures the key used for encryption.
Which two statements regarding asymmetric key encryption are true？（）A、The same key is used for encryption and decryption.B、It is commonly used to create digital certificate signatures.C、It uses two keys： one for encryption and a different key for decryption.D、An attacker can decrypt data if the attacker captures the key used for encryption
PKI的全称是（）。A、Private Key IntrusionB、Public Key IntrusionC、Private Key InfrastructureD、Public Key Infrastructure
PKI是（）。A、Private Key lnfrastructureB、Public Key lnstituteC、Public Key lnfrastructureD、Private Key lnstitute
多选题Which two statements regarding asymmetric key encryption are true？（）AThe same key is used for encryption and decryption.BIt is commonly used to create digital certificate signatures.CIt uses two keys： one for encryption and a different key for decryption.DAn attacker can decrypt data if the attacker captures the key used for encryption
多选题Which of the following statements that describe Diffie Hellman Key exchange are correct？ （）AA DH key exchange is an algorithm that utilizes asymmetric cryptographic keys.BThe DH key exchange is used to establish a shared secret over an insecure medium during an IPSec phase 1 exchange.CThe DH exchange is susceptible to man-in-the-middle attacks.DThe DH exchange is used to authenticate the peer device duringan IPSec phase 1 exchange.EA DH exchange provides Perfect Forward Secrecy （PFS）.
单选题Which statement is true about a certificate authority？（）AAn entity responsible for registering the private key encryption used in a PKIBAn agency responsible for granting and revoking public-private key pairsCA trusted third party responsible for signing the public keys of entities in a PKIbased systemDA trusted third party responsible for signing the private keys of entities in a PKIbased system
单选题Which statement is true regarding a session key in the Diffie-Hellman key-exchange process?（）AA session key value is exchanged across the network.BA session key never passes across the network.CA session key is used as the key for asymmetric data encryption.DA session key is used as the key for symmetric data encryption.
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
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
单选题Which description about asymmetric encryption algorithms is correct？（）AThey use the same key for encryption and decryption of data.BThey use different keys for decryption but the same key for encryption of data.CThey use different keys for encryption and decryption of data.DThey use the same key for decryption but different keys for encryption of data.
多选题Which two statements regarding symmetric key encryption are true?（） (Choose two.)AThe same key is used for encryption and decryption.BIt is commonly used to create digital certificate signatures.CIt uses two keys: one for encryption and a different key for decryption.DAn attacker can decrypt data if the attacker captures the key used for encryption.