在STP中,Forward Delay与网络的传播延时有关。() 此题为判断题(对，错)。
在STP中,Forward Delay与网络的传播延时有关。()
此题为判断题(对，错)。
相关考题：
为了避免临时路由回环,假设STP配置消息传播到整个网络的最大时延为Forward Delay,则端口由阻塞状态进入转发状态时,要经过的时延至少为()。 A.0.5倍Forward DelayB.1倍Forward DelayC.2倍Forward DelayD.3倍Forward Delay
关于STP协议,下列说法正确的是()。 A.STP通过形成一棵无环路的树，解决了环路故障并实现了冗余备份B.STP中端口从阻塞状态转入转发状态要至少经历Forward Delay时间C.STP中端口从阻塞状态转入转发状态要至少经历两倍Forward Delay时间D.如果网络拓扑结构频繁变化，网络将频繁失去连通性
在STP中,在配置Forward Delay应注意的是()。 A.过长Forward Delay的会导致生成树收敛太慢B.过短的Forward Delay会导致生成树收敛太慢C.过长的Forward Delay会导致暂时环路引入D.过短的Forward Delay会导致暂时环路引入
网络的延迟（delay）定义了网络把数据从一个网络节点传送到另一个网络节点所需要的时间。网络延迟包括（）。A、传播延迟（propagation delay）B、交换延迟（switching delay）C、介质访问延迟（access delay）D、队列延迟（queuing delay）
在STR12-280机器人例程中，执行程序指令（）后可实现延时2.5s。A、delay_ms（25）；B、delay_ms（250）；C、delay_ms（2500）；D、delay_ms（25000）；
If the root bridge fails， configuration BPDUs will no longer be sent. Which STP timer will have toexpire before the other switches can actively restore connectivity with topology change procedureof STP？（）A、hello timerB、BPDU timerC、Forward_delay timerD、Max_age timerE、Dead timerF、Wait timer
How are STP timers and state transitions affected when a topology change occurs in an STP environment？（）A、All ports will temporarily transition to the learning state for a period equal to the max age timer plus the forward delay interval.B、All ports will transition temporarily to the learning state for a period equal to the forward delay interval.C、The default aging time for MAC address entries will be reduced for a period of the max age timer plus the forward delay interval.D、The default hello time for configuration BDPUs will be reduced for the period of the max age timer.
You work as a network technician at. Your boss， Mrs. ， is interested in the Spanning Tree Protocol timers. What can you tell her regarding the default STP timers？ （）A、The hello time is 5 seconds.B、The forward delay is 10 seconds.C、The hello time is 2 seconds.D、The forward delay is 15 secondsE、The max_age timer is 15 seconds.F、The hello time is 10 seconds.G、The max_age timer is 20 seconds.H、The forward delay is 20 seconds.I、The max_age timer is 30 seconds.
关于RSTP和STP的计算收敛的对比，说法正确的有（）。A、如果STP想缩短收敛时间，只能配置较小的Forward Delay时间，但是可能会影响到网络的稳定性B、相对于STP，RSTP定义了边缘端口，这样可以使得连接PC主机的端口快速进入转发状态C、相对于STP，RSTP定义了根端口快速切换机制，这样可以使得Alternate快速成为新的根端口D、相对于STP，RSTP定义了指定端口快速切换机制，这样可以使得指定端口快速进入转发状态而不需要等待两倍的Forward Delay时间
下列关于STP的说法正确的是（）。A、在结构复杂的网络中，STP会消耗大量的处理资源，从而导致网络无法正常工作。B、STP通过阻断网络中存在的冗余链路来消除网络可能存在的路径环路C、运行STP的网桥间通过传递BPDU来实现STP的信息传递D、STP可以在当前活动路径发生故障时激活被阻断的冗余备份链路来恢复网络的连通性
关于STP协议，下列说法错误的是（）A、STP通过形成一棵无环路的树，解决了环路故障并实现了冗余备份B、STP中端口从阻塞状态转入转发状态要至少经历Forward Delay时间C、STP中端口从阻塞状态转入转发状态要至少经历两倍Forward Delay时间D、如果网络拓扑结构频繁变化，网络将频繁失去连通性
为了避免临时路由回环，假设STP配置消息传播到整个网络的最大时延为Forward Delay，则端口由阻塞状态进入转发状态时，要经过的时延至少为（）A、0.5倍Forward DelayB、1倍Forward DelayC、2倍Forward DelayD、3倍Forward Delay
Which three statements about STP timers are true？（）A、STP timers values （hello， forward delay， max age） are included in each BPDU.B、A switch is not concerned about its local configuration of the STP timers values. It will only consider the value of the STP timers contained in the BPDU it is receiving.C、To successfully exchange BPDUs between two switches， their STP timers value （hello， forward delay， max age） must be the same.D、If any STP timer value （hello， forward delay， max age） needs to be changed， it should at least be changed on the root bridge and backup root bridge.E、On a switched network with a small network diameter， the STP hello timer can be tuned to a lower value to decrease the load on the switch CPU.F、The root bridge passes the timer information in BPDUs to all routers in the Layer 3 configuration.
单选题How are STP timers and state transitions affected when a topology change occurs in an STP environment？（）AAll ports will temporarily transition to the learning state for a period equal to the max age timer plus the forward delay interval.BAll ports will transition temporarily to the learning state for a period equal to the forward delay interval.CThe default aging time for MAC address entries will be reduced for a period of the max age timer plus the forward delay interval.DThe default hello time for configuration BDPUs will be reduced for the period of the max age timer.
多选题You work as a network technician at. Your boss， Mrs. ， is interested in the Spanning Tree Protocol timers. What can you tell her regarding the default STP timers？ （）AThe hello time is 5 seconds.BThe forward delay is 10 seconds.CThe hello time is 2 seconds.DThe forward delay is 15 secondsEThe max_age timer is 15 seconds.FThe hello time is 10 seconds.GThe max_age timer is 20 seconds.HThe forward delay is 20 seconds.IThe max_age timer is 30 seconds.
多选题Which three statements about STP timers are true？（）ASTP timers values （hello， forward delay， max age） are included in each BPDU.BA switch is not concerned about its local configuration of the STP timers values. It will only consider the value of the STP timers contained in the BPDU it is receiving.CTo successfully exchange BPDUs between two switches， their STP timers value （hello， forward delay， max age） must be the same.DIf any STP timer value （hello， forward delay， max age） needs to be changed， it should at least be changed on the root bridge and backup root bridge.EOn a switched network with a small network diameter， the STP hello timer can be tuned to a lower value to decrease the load on the switch CPU.FThe root bridge passes the timer information in BPDUs to all routers in the Layer 3 configuration.
问答题what is forward-delay？