以下哪一种身分认证方法使用「something you have」的要素？
A: Smart cards
B: RFID
C: Onetime password token
D: 以上皆是
A: Smart cards
B: RFID
C: Onetime password token
D: 以上皆是
举一反三
- Using money as a medium of exchange means that ______. A: you have to sell something in order to buy something B: you have to buy something in order to sell something C: you don't have to buy something in order to sell something D: the seller and the purchaser are the same person
- 44. With the Smart Plug, you don’t have to worry about __________. A: whether your kids are at home or not B: whether you have forgot to bring your key or not C: whether you left something on after leaving home D: whether you have left your windows open
- You can arrange to have your new checkbook delivered to you personally. A: arrange for something to be done, or for someone to do something for you B: have something unfortunate happen to you by someone you don't know
- This means you have something common. A: on B: for C: in D: with
- 比特币使用的共识机制是以下哪一种（） A: POW B: Token C: POS D: PBFT