Two Level 1 routers are exchanging Hello packets with differ

第1题

单选题IS - IS creates and maintains adjacencies and neighbor relations by using the Hello protocol. For the following options, which are Hello packets used in IS - IS?（）A A generic HelloB Point - to - point Level 1, point - to -point Level 2, LAN Level 1, LAN Level 2C Point - to - point Level 1, point - to - point Level 2, LAND Point - to - point, LAN Level 1, LAN Level 2

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第2题

多选题What are two benefits of control plane policing？（）Aprotection against denial of service （DoS） attacks at infrastructure routers and switchesBprotection against known worm attacks in routers and switchesCquality of service （QoS） control for packets that are sourced from the data plane of Cisco routers and switchesDquality of service control （QoS） for packets that are destined to the control plane of Cisco routers and switchesEquality of service （QoS） control for packets that are destined to the data plane of Cisco routers and switches

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第3题

单选题Two Level 2 routers are exchanging Hello packets with different Area IDs.What occurs between these routers?（）A An Adjacency is formed.B No IS-IS PDUs are sent.C An Adjacency does not form.D An Adjacency forms but traffic is not forwarded.

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第4题

单选题Which EIGRP packet statement is true?（）A Update packets route reliable change information only to the affected routers.B Reply packets are multicast to IP address 224.0.0.10 using RTP.C On high - speed links, hello packets are broadcast every 5 seconds for neighbor discovery.D Reply packets are used to send routing updates.E On low - speed links, hello packets are broa dcast every 15 seconds for neighbor discovery.

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第5题

单选题Two Level 1 routers are exchanging Hello packets with different Area IDs.What occurs between these routers?（）A An Adjacency is formed.B No IS-IS PDUs are sentC An Adjacency does not form.D An Adjacency forms but traffic is not forwarded.

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第6题

单选题Routers A and B are connected with a point-to-point OC-3 interface. Each router’s OC-3 interface is configured for both Level 1 and Level 2. The routers are configured in different areas.How many IS-IS adjacencies exist between the two routers？（）A 0B 1C 2D 3

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第7题

多选题When HSRP is configured on a network, which two of these items are provided, which are sharedbetween the routers that run HSRP? （）(Choose two.)ATCP-based hello packetsBthe impact of flapping links if timers are too lowCa shared single interfaceDthe ability to track serial interfacesEUDP-based hello packets

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