Refer to the exhibit. Voice traffic is marked "precedence 5." How much bandwidth is allocated for voice traffic during periods of congestion？（）
A.a minimum of 48 kb/s
B.a maximum of 48 kb/s
C.a minimum of 48% of the available bandwidth
D.a maximum of 48% of the available bandwidth
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As 2 產(chǎn)生A的BGP路由，R1上分別設(shè)置了weight， local-precedence如圖所示：?jiǎn)朢1要到A，把數(shù)據(jù)包給誰(shuí)？
A.loop guard
B.storm control
C.storm suppression
D.broadcast suppression
E.BPDU guard
Refer to the exhibit. In the diagram, the switches are running IEEE 802.1w RSPT. On which ports should root guard be enabled in order to facilitate deterministic root bridge election under normal and failure scenarios? （）
A.GE-3/1，GE-3/2
B.FE-2/1，F(xiàn)E-3/2
C.GE-1/1，GE-1/2
D.GE-4/1，GE-4/2
E.GE-2/1，GE-2/2
F.GE-3/1，GE-3/2，GE-4/1，GE-4/2，F(xiàn)E-2/1，F(xiàn)E-3/2
Refer to the exhibit. In the diagram, the switches are running IEEE 802.1s MST. Which ports are in the MST blocking state?（）
A.GE-1/2 and GE 2/1
B.GE-1/1 and GE-2/2
C.GE-3/2 and GE 4/1
D.no ports are in the blocking state
E.There is not enough information to determine which ports are in the blocking state
A.UniDirectional Link Detection
B.Hot Standby Router Protocol
C.Virtual Router Redundancy Protocol
D.PortFast
E.root guard
F.loop guard
最新試題
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?（）
what is the disadvantage of policing？
Refer to the exhibit.What is the meaning of the term dynamic as displayed in the output of the show frame-relay map command shown？（）
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?（）
QoS機(jī)制中的分類，采用ip數(shù)據(jù)包中的哪個(gè)字段？
兩ebgp鄰居發(fā)路由過(guò)來(lái) ，哪些屬性重置？
what is the advantage of policing opposite to shaping？
Refer to the exhibit.The network administrator is in acampus building distant from Building B.WANRouter is hosting a newly installed WAN link on interface S0/0.The new link is not functioning and the administrator needs to determine if the correct cable has been attached to the S0/0 interface.How can the administrator accurately verify the correct cable type on S0/0 in the most efficient manner?（）
Refer to the exhibit.How many broadcast domains exist in theexhibited topology？（）
QoS Mechanisms：?jiǎn)栐诓渴餛oS中要用的3個(gè)mechanisms是什么？