Frame. Relay is simplified form. of(71), similar in principle to(72), in which synchronous

第1题

OSPF协议适用于4种网络。属于广播多址网络和非广播多址网络的是（)。

A.Ethernct和Frame. Relay

B. PPP和Frame. Relay

C. Frame. Relay和RARP

D. RARP和PPP

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第2题

Frame. Relay is simplified form. of（71),similar in principle to（72), in which synchronous,

Frame. Relay is simplified form. of(71),similar in principle to(72), in which synchronous, frames of data are routed to different destinations depending on header information. Packets are routed throught one or more Virtual Circuits known as(73). Most Virtual Circuits are(74),which means that the network provider sets up all DLCI connections at subscription time.(75)are also part of the Frame. Relay specification. They privide a link that only lasts only as long as the session.

A．Datagram Switching

B．Datagram Routing

C．Packet Switching

D．Packet Routing

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第3题

Frame. Relay is simplified form. of（51), similar in principle to（52), in which synchronous

Frame. Relay is simplified form. of(51), similar in principle to(52), in which synchronous, frames of data are routed to different destinations depending on header information.Packets are routed throught one or more Virtual Circuits known as(53). Most Virtual Circuits are(54), which means that the network provider sets up all DLCI connections at subscription time.(55)are also part of the Frame. Relay specification. They privide a link that only lasts only as long as the session.

A．Datagram Switching

B．Datagram Routing

C．Packet Switching

D．packet Routing

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第4题

● OSPF 协议适用于 4 种网络。下面的选项中，属于广播多址网络（Broadcast Multi-Access）的是（25）

，属于非广播多址网络（None Broadcast Multi-Access）的是（26）。

（25）

A. Ethernet

B. PPP

C. Frame. Relay

D. RARP

（26）

A. Ethernet

B. PPP

C. Frame. Relay

D. RARP

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第5题

用户数据在ATM或Frame. Relay网络（稳定的网络)中总是按照相同的路径从一端到另一端，并且保持了用户数据传递的有序性。（)

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第6题

●Frame. Relay is simplified form. of （71) ，similar in principle to （72) ，in which synchron

●Frame. Relay is simplified form. of (71) ，similar in principle to (72) ，in which synchronous，frames of data are routed to different destinations depending on header information．

Packets are routed throught one or more Virtual Circuits known as (73) .Most Virtual Circuits are (74) ，which means that the network provider sets up all DLCI connections at subscription time． (75) are also part of the Frame. Relay specification．They privide a link that only lasts only as long as the session．

(71) A．Datagram Switching

B．Datagram Routing

C．Packet Switching

D．packet Routing

(72) A．X．21

B．X．25

C．X．28

D．X．29

(73) A．DLCIs

B．HDLCs

C．SDLCs

D．DLs

(74) A．Permanent Circuits

B．Permanent Virtual Circuits

C．Switched Virtual Circuits

D．Switching Circuits

(75) A．Permanent Circuits

B．Permanent Virtual Circuits

C．Switched Virtual Circuits

D．Switched Circuits

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第7题

●Frame. Relay is simplified form. of （71) ,similar in principle to （72) , in which synchro

●Frame. Relay is simplified form. of (71) ,similar in principle to (72) , in which synchronous, frames of data are routed to different destinations depending on header information ．Packets are routed throught one or more Virtual Circuits known as (73) ．Most Virtual Circuits are (74) ,which means that the network provider sets up all DLCI connections at subscription time． (75) are also part of the Frame. Relay specification ．They privide a link that only lasts only as long as the session．

(71) A． Datagram Switching

B．Datagram Routing

C． Packet Switching

D．packet Routing

(72) A． X ．21

B．X ．25

C．X ．28

D．X ．29

(73) A． DLCIs

B．HDLCs

C．SDLCs

D．DLs

(74) A．Permanent Circuits

B．Permanent Virtual Circuits

C．Switched Virtual Circuits

D．Switching Circuits

(75) A．Permanent Circuits

B．Permanent Virtual Circuits

C．Switched Virtual Circuits

D．Switched Circuits

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第8题

●SDLC was invented by IBM to replace the older Bisynchronous protocol for wide area connec

tions between IBM equipment ．A varietion of the (71) protocol called NRM is essentially the same as SDLC．SDLC is (72) protocol like HDLC , Frame. Relay or X．25．An SDLC network is made up of (73) that controls all communications , and (74) ．It is capable of (75) operation, but almost all practical applications are strictly half duplex．

(71) A．HDLC

B．Frame. Relay

C．X．25

D．X．21

(72) A．a peer to peer

B．a point-to-point

C．not a peer to peer

D．a peer to peers

(73) A．a primary station

B．one or more primary stations

C．a secondary station

D．one or more secondary stations

(74) A．a primary station

B．one or more primary stations

C．a secondary station

D．one or more secondary stations

(75) A．half duplex

B．full duplex

C．half or full duplex

D．half and full duplex

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第9题

下面代码中为横向排列多个窗口的是（)。A．＜frameset cols=20%,*＞＜frame. src="Ａ.html"＞＜frameset

下面代码中为横向排列多个窗口的是()。

A．＜frameset cols=20%,*＞＜frame. src="Ａ.html"＞＜framesetrows=30%,50%*＞＜frame. src="Ｂ.html"＞＜frame. src="Ｃ.html"＞＜/frameset＞＜/frameset＞

B．＜frameset cols=30%,70%＞＜frame. src="Ａ.html"＞＜frame. src="Ｂ.html"＞＜/frameset＞

C．＜frameset rows=25%,75%＞＜frame. src="Ａ.html"＞＜frame. src="Ｂ.html"＞＜/frameset＞

D．＜frameset rows=20%,*＞＜frame. src="Ａ.html"＞＜frameset cols=30%,50%*＞＜frame. src="Ｂ.html"＞＜frame. src="Ｃ.html"＞＜/frameset＞＜/frameset＞

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第10题

基于TCP/IP的数据流解封装过程为（)。

A.bits → frame. → segment → packet → data

B.bits → frame. → packet → segment → data

C.bits → packet → segment → frame. → data

D.bits → segment → frame. → packet → data

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Frame. Relay is simplified form. of（71), similar in principle to（72), in which synchronous