conversely（）

A.itelligent

B.different

C.conversely

D.learner

A.obviously

B. basically

C. already

D. conversely

A.distinction

B.in contrast

C.onsistent

D.iverse

A.intelligent

B.different

C.conversely

D.learner

A.lags

B.exceeds

C.overtakes

D.surpass

A perversely

B inversely

C diversely

D conversely

A、However

B、Conversely

C、But then

D、Nevertheless

In the strength of the carrier signal is varied to represent binary 1 or 0.

(72) is a system that can map a name to an address and conversely an address to an name.

(73) is a three-way handshaking authentication protocol that it's packets are encapsulated in the point-to-point protocol

(74) is an approach that enables an ATM Switch to behave like a LAN switch.

(75) is an guided media which is made of glass or plastic and transmits signals in the form. of light.

A．ASK

B．PSK

C．FSK

D．FDM

In(66)the strength of the carder signal is varied to represent binary 1 or 0.(67)is a system that can map a name to an address and conversely an address to an name.(68)is a three-way handshaking authentication protocol that it's packets are encapsulated in the point-to-point protocol.(69)is an approach that enables an ATM Switch to behave like a LAN switch.(70)is an guided media which is made of glass or plastic and transmits signals in the form. of light.

A．ASK

B．PSK

C．FSK

D．FDM

In a public-key cryptosystem,(71)encrypted with the public key can only be deciphered with the private key from the same(72). Conversely,(71)encrypted with the private key can be decrypted only with the public key. Users can make their public keys(73)available or place them at a key distribution center or others to access. However, the private key must be(74)safe. In public-key systems there's no(75)to find a safe channel for communicating a shared secret key.

A．binarytext

B．hypertext

C．plaintext

D．supertext