下列关于公司特性的表述中，属于监理有限责任公司特征的是（)。A．公司可以公开向社会发行股票B．公司

Packet switching is a method of slicing __(71)__ messages into parcels called “packets,” sending the packets along different communication __(72)__ as they become available, and then reassembling the packets __(73)__they arrive at their destination. Prior to the development of packet switching, early computer networks used leased, dedicated telephone circuits to __(74)__ with terminals and other computers. In circuit-switched networks such as the telephone system, a complete point-to-point __(75)__ is put together, and then communication can procee

A. binary

B.useful

C.digital

D.analog

emory until the data portion of the respected packet reaches the switch.Which method should you employ on your Catalyst switch？（）

A. Fast Forward

B. Store and forward

C. Frag-free

D. None of the above

, (97)parcels out digital data into small chunks, or packets, and sends them over a network shared bycountless users.

A.so

B.which

C.and

D.who

A.Frame Relay

B.POTS

C.PSTN

D.ISDN

A. Packet switching

B. Collision prevention on a LAN segment.

C. Packet filtering

D. Broadcast domain enlargement

E. Broadcast forwarding

F. Internetwork communication

A. Packet switching

B. Collision prevention on a LAN segment

C. Packet filtering

D. Broadcast domain enlargement

E. Broadcast forwarding

F. Internetwork communication

A、Less wasteful in case of bursty traffic.

B、Less wasteful in case of steady traffic.

C、Easier to implement on network devices.

D、Allows for lower delays.

A. Packet switching

B. Collision prevention on a LAN segment.

C. Packet filtering

D. Broadcast domain enlargement

E. Broadcast forwarding

F. Internetwork communication