In the key layering hierarchy, which of the following keys may be classified based on longer-term keys considerations? ___.
A: key-encrypting keys
B: session keys for single communications session
C: keys established by key agreement
D: keys established by key transport
A: key-encrypting keys
B: session keys for single communications session
C: keys established by key agreement
D: keys established by key transport
A
举一反三
- Which one of the following is not true about dictionary keys? ( ) A: Keys must be immutable B: Keys must be integers C: When duplicate keys encountered, the last assignment wins D: More than one key is not allowed
- Which of the following keys should be stored in an archive even after expiration? A: Private authentication keys B: Public encryption keys C: Private signature keys D: Public verification keys
- What are the advantages of the mutual authentication procedure A: The secret keys are transmitted over the airwaves B: Encrypted random numbers are transmitted instead of secret keys C: The token can be encrypted using any algorithm D: A random key (session key) can be calculated from the random numbers generated for the security of the subsequent data transmission
- Four keys to getting hired are begun in different ways stylistically. Key 1 starts with a ____.Key 2 starts with a ___. Key 3 starts with a ____. Key4 starts with a ____.
- 字典的()方法返回字典的"键"列表 A: keys() B: key() C: values() D: items()
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The mark of a common flat key is: KEY 12x80 GB 1096-2003, the type of this key is ( ) A: Round head common flat key B: Square head common key C: Half round head common flat key D: Other flat keys
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字典的 方法可以获取字典中所有的键， 方法可以获取字典中所有的值， 方法可以获取字典中所有的键值对。 A: keys();values();items() B: items();values();keys() C: key();value();list() D: key();list();item()
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字典对象的( )方法返回字典的“键”列表。 A: items() B: values() C: key() D: keys()
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字典对象的（）方法返回字典的“值”列表 A: keys B: values C: items D: key
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CREATE TABLE语句用于创建索引的子句是( ) 。 A: 只能用index B: 只能用key C: index或key D: keys