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在STP中,Max Age与网络的传播延时有关。()
此题为判断题(对，错)。
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更多 “ 在STP中,Max Age与网络的传播延时有关。() 此题为判断题(对，错)。 ” 相关考题
考题
下列关于STP的说法错误的是()。
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
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根据SQL标准，下面哪句语句能够找出年龄最小的同学?其中age为学生表student中的年龄字段，sno为学生的学号。()A select max(age) from studentB select sno from student where age = max(age)C select sno from student having age = max(age)D select sno from student a where a.age
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设员工关系Emp（E_no，E_name，E_sex，D_name，E_age，E_Add），关系Emp中的属性分别表示员工的员工号、姓名、性别、所在部门、年龄和通信地址；其中D_name是部门关系Dept的主键。查询各个部门员工的最大年龄、最小年龄，以及最大年龄与最小年龄之间年龄差的SQL语句如下：SELECT D_name, MAX（E_age）,MIN（E_age）, （61） FROM Emp （62），（61）A. MAX（E_age）-MIN（E_age）IN 年龄差B. 年龄差IN MAX（E_age）-MIN（E_age）C. MAX（E_age）-MIN（E_age）AS 年龄差D. 年龄差AS MAX（E_age）-MIN（E_age）（62）A. GROUPBYE_nameB. GROUP BYD_nameC. ORDER BY E_nameD. ORDER BYD_name
考题
在STP中,在配置Max Age应注意的是()。
A.过长的Max Age会导致链路故障不能被及时发现B.过短的Max Age会导致链路故障不能被及时发现C.过长的Max Age会导致频繁的生成树计算D.过短的Max Age会导致频繁的生成树计算
考题
交换机发送的BPDU数据包中有不同的计时器,对BPDU中的计时器说法正确的是:()
A.Max Age默认为200秒，如果Message Age达到Max Age，则此配置BPDU被认为已经过期B.Hello Time默认为30秒，也即在指定端口上，配置BPDU每隔30秒发送一次C.Forward Delay默认为15秒D.Message Age是配置BPDU在网络中传播的生存期，随时间增长而变大
考题
下列SQL语句中，能够完成求某列最大值的是（）。ASELECT AVG（Age） FROM StudentBSELECT MAX（Age） FROM StudentCSELECT MIN（Age） FROM StudentDSELECT COUNT（*） FROM Student
考题
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
考题
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.
考题
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？ （）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.
考题
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
考题
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.
考题
Which two statements concerning STP state changes are true？ （）A、Upon bootup，a port transitions from blocking to forwarding because it assumes itself as root.B、Upon bootup，a port transitions from blocking to listening because it assumes itself as root.C、Upon bootup，a port transitions from listening to forwarding because it assumes itself as root.D、If a forwarding port receives no BPDUs by the max_age time limit， it will transition to listening.E、If a forwarding port receives an inferior BPDU， it will transition to listening.F、If a blocked port receives no BPDUs by the max_age time limit， it will transition to listening.
考题
单选题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.
考题
多选题交换机发送的BPDU数据包中有不同的计时器，对BPDU中的计时器说法正确的是：（）AMax Age默认为200秒，如果Message Age达到Max Age，则此配置BPDU被认为已经过期BHello Time默认为30秒，也即在指定端口上，配置BPDU每隔30秒发送一次CForward Delay默认为15秒DMessage Age是配置BPDU在网络中传播的生存期，随时间增长而变大
考题
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.
考题
单选题下列关于STP的说法错误的是（）。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
考题
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.
考题
单选题双频GPS卫星导航仪能测定与校正（）。A
电离层传播延时B
电离层传播延时与对流层传播延时C
对流层传播延时D
A与C均不对
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