单项选择题

Which Public Key Cryptographic Standards （PKCS） defines the syntax for encrypted messages andmessages with digital signatures？（）

A.PKCS #7
B.PKCS #8
C.PKCS #10
D.PKCS #12

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相关考题

单项选择题

Examine the following options，which Spanning Tree Protocol （STP） protection mechanism disables aswitch port if the port receives a Bridge Protocol Data Unit （BPDU）？（）

A.Uplink Fast
B.Port Fast
C.BPDU Guard
D.Root Guard

多项选择题

Observe the following options carefully， which two attacks focus on RSA？（）

A.BPA attack
B.Adaptive chosen ciphertext attack
C.DDoS attack
D.Man-in-the-middle attack

单项选择题

What is the purpose of the secure boot-config global configuration ？（）

A.takes a snapshot of the router running configuration and securely archives it in persistent storage
B.stores a secured copy of the Cisco IOS image in its persistent storage
C.backs up the Cisco IOS image from flash to a TFTP server
D.enables Cisco IOS image resilience