你可能感興趣的試題

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）.

多項選擇題

Select the two correctstatements from the list below that describe DES and 3DES：（）

A. 3DES is muchmore secure than DES.
B. Both DES and 3DES are stream ciphers.
C. DES uses 64 bitkeys， although the effective key lengthis only 56bits.
D. The decryption operation for both DES and 3DES is the same as the encryption operation.
E. DES can only be used for encryption， whereas 3DES can also be used for authentication.

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When configuring a multipoint GRE （mGRE） tunnel interface， which one of the following is NOT a valid configuration option：（）

你可能感興趣的試題

Which of the following statements that describe Diffie Hellman Key exchange are correct？ （）

Select the two correctstatements from the list below that describe DES and 3DES： （）

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Which of the following statements that describe Diffie Hellman Key exchange are correct？（）

Select the two correctstatements from the list below that describe DES and 3DES：（）