下列何项属于行政裁决（)。A．行政机关对行政纠纷的裁决B．人民法院对行政纠纷的裁决C．行政机关对特

A．Application

B．Internet

C．Transport

D．Network

E．Data Link

A. Application Layer

B. Transport Layer

C. Internet Layer

D. Network Access Layer

A. The application layer

B. The session layer

C. The data link layer

D. The transport layer

E. The network interface layer

F. The physical layer

A.Synchronizes password exchanges for call setup

B.Eliminates the need for physical cabling in a TCP/IP network

C.Enables two-way voice transmission over a packet-switched TCP/IP network

D.Creates an encrypted tunnel for voice through a Transmission Control Protocol (TCP)/IP network

This kind of mowing machine differs from the other ______ it is more powerful.

A．in that

B．now that

C．so that

D．on condition that

A．利用SSL SMTP将所有TCP/IP传输封装起来

B．利用SSL POP将所有TCP/IP传输封装起来

C． 利用SSL SMTP和利用SSL POP

D． 利用VPN将所有TCP/IP传输封装起来

A．Session

B．Network

C．Data link

D．Transport

A．IP

B．ICMP

C．TCP

D．UDP