A.Only UplinkFast and BackboneFast are specified in 802.1w；PortFast must be manually configured.
B.Only PortFast is specified in 802.1w；UplinkFast and BackboneFast must be manually configured.
C.None of the proprietary Cisco enhancements are specified in 802.1w.
D.PortFast，UplinkFast，and BackboneFast are specified in 802.1w.
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A.IP ToS of 0xEF
B.IP experimental ECN
C.DSCP decimal 5
D.Binary value of 101110
A.DHCP requests will be switched in the software， which may result in lengthy response times.
B.The switch will run out of ACL hardware resources.
C.All DHCP requests will pass through the switch untested.
D.The DHCP server reply will be dropped and the client will not be able to obtain an IP address.
A.Is best suited for applications that are in the one-to-many category.
B.SSM uses shortest path trees only.
C.The use of SSM is recommended when there are many sources and it is desirable to keep the amount of mroute state in the routers in the network to a.
D.There are no RPs to worry about.
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A network administrator is troubleshooting the OSPF configuration of routers R1 and R2.The routers cannot establish an adjacency relationship on their common Ethernet link.The graphic shows the output of the show ip ospf interface e0 command for routers R1 and R2.Based on the information in the graphic,what is the cause of this problem?（）
hsrp speak狀態(tài)是什么意思？
一堆交換機(jī)一個server、一個transpare，問配置prune在哪里配置？
Which of the following describes the roles of devices in a WAN?（）
The Frame Relay network in the diagram is not functioning properly.What is the cause of the problem?（）
DHCP SERVER在給一個網(wǎng)段設(shè)置POOL時，該網(wǎng)段路由器接口地址能不能放入POOL，能why，不能why。
As a CCNA candidate,you must have a firm understanding of the IPv6 address structure.Refer to IPv6 address,could you tell me how many bits are included in each filed?（）
Refer to the exhibit.Which statement describes DLCI 17?（）
What is method list for configure aaa？
What field in IP packet is used for classification by QOS？