Symmetric key encryption is also known as: A: public key encryption. B: secret key encryption. C: PGP. D: PKI.

在语音交互设计实训中，App Inventor不需要用到的是【】 A: 应用名称 B: Secret Key C: 包名 D: API Key

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

调用百度语音API分别传递（）参数？ A: app_id B: api_key C: secret_key D: token

What are the three secrets to trade show success? Secret 1________________________________ Secret 2________________________________ Secret 3________________________________

—It’s a top secret .—Yes，I see. I will keep the secret ▲ you and me.

According to the main area of pixels in the histogram, the tone can be divided into A: Low key, high key, middle key B: Hard tone, soft tone C: Long key, short key D: Long key, middle key, short key

He _______ the secret _______ his wife.

商业秘密(trade secret)可能是（）。

Nobody but Jane and Lily ______ the secret