多选题Which three statements are true about EIGRP route summarization?（）AWhen manual summarization is configured, the router immediately creates a route that points to null0 interfaceBManual route summarization is configured in router configuration mode whe

第1题：

Which three statements about the EIGRP routing protocol are true?（）

• A、EIGRP supports five generic packet types, including hello, database description (DBD), link state request (LSR), link - state update (LSU), and LSAck.
• B、EIGRP sends periodic hello packets to the multicast IP address 224.0.0.10.
• C、EIGRP will not form a neighbor relationship with another peer when their K values are mismatched.
• D、EIGRP sends periodic hello packets to the multicast IP address 224.0.0.9.
• E、E IGRP will form a neighbor relationship with another peer even when their K values are mismatched.
• F、EIGRP supports five generic packet types, including hello, update, query, reply, and ACK packets.

第2题：

A router learns about a remote network from EIGRP, OSPF, and a static route. Assuming all routing protocols are using their default administrative distance, which route will the router use to forward data to the remote network（）。

• A、The router will use the static route.
• B、The router will use the OSPF route.
• C、The router will use the EIGRP route.
• D、The router will load balance and use all three routes.

第3题：

Which three statements about the secure domain router are true？（）

• A、The logical router can span across chassis.
• B、The fabric and system controller module are shared by all logical routers.
• C、Each logical router has a distinct fabric and system controller module
• D、The logical router can share a route processor
• E、The logical router cannot share a route processor

第4题：

Which statements are true about EIGRP successor routes? （）

• A、A successor route is used by EIGRP to forward traffic to a destination.
• B、Successor routes are saved in the topology table to be used if the primary route fails.
• C、Successor routes are flagged as "active" in the routing table.
• D、A successor route may be backed up by a feasible successor route.
• E、Successor routes are stored in the neighbor table following the discovery process.

第5题：

Which three statements are true about EIGRP route summarization?（）

• A、When manual summarization is configured, the router immediately creates a route that points to null0 interface
• B、Manual route summarization  is configured in router configuration mode when the router is configured for EIGRP routing
• C、Manual route summarization is configured on the interface
• D、The ip summary - address eigrp command generates a default route with an administrative distance  of 5
• E、When manual summarization is configured, the summary route will use the metric of the largest specific metric of the summary routes
• F、The ip summary - address eigrp command generates a default route with an administrative distance of 90

第6题：

Which statements are true about EIGRP successor routes (Choose two.)（）。

• A、A successor route is used by EIGRP to forward traffic to a destination.
• B、Successor routes are saved in the topology table to be used if the primary route fails.
• C、Successor routes are flagged as "active" in the routing table.
• D、A successor route may be backed up by a feasible successor route.
• E、Successor routes are stored in the neighbor table following the discovery process.

第7题：

Which three statements about EIGRP are true?（）

• A、EIGRP converges fast RIP because of DUAL and backup routes that are stored in the topology table.
• B、EIGRP uses a hello protocol to establish neighbor relationships
• C、EIGRP uses split horizon and reverse poisoning to avoid routing loops.
• D、EIGRP uses periodic updates to exchange routing information
• E、EIGRP allows routers of different manufacturers to interoperate
• F、EIGRP supports VLSM and authentication for routing updates.
• G、EIGRP use a broadcast address to send routing information.

第8题：

Which three statements about subqueries are true? （）

• A、Asinglerowsubquerycanretrieveonlyonecolumnandonerow.
• B、Asinglerowsubquerycanretrieveonlyonerowbutmanycolumns.
• C、Amultiplerowsubquerycanretrievemultiplerowsandmultiplecolumns.
• D、Amultiplerowsubquerycanbecomparedusingthe"；>；"；operator.
• E、AsinglerowsubquerycanusetheINoperator.
• F、Amultiplerowsubquerycanusethe"；="；operator.

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第13题：

Which two statements about EIGRP are true？（）

• A、EIGRP supports VLSM， route summarization， and routing update authentication.
• B、If the feasible successor has a higher advertised distance than the successor route， it becomes the primary route.
• C、Passive routes are in the process of being calculated by DUAL.
• D、EIGRP exchanges full routing table information with neighboring routers with every update.
• E、A query process is used to discover a replacement for a failed route if a feasible successor is not identified from the current routing information.

第14题：

Which two statements about the EIGRP DUAL process are correct?（）

• A、An EIGRP route will go active if there are no successors or feasible successors in the EIGRP topology table.
• B、An EIGRP route will go passive  if there are no successors in the EIGRP topology table.
• C、DUAL will trigger an EIGRP query process while placing the flapping routes in the holddown state.
• D、A feasible successor in the EIGRP topology table can become the successor only after all the query requests have been replied to.
• E、The stuck in active state is caused when the wait for the query replies have timed out.
• F、EIGRP queries are sent during the loading state in the EIGRP neighbor establishment process.

第15题：

A router leams about a remote network from EIGRP.OSPF. and a static route. Assuming all routing protocols are using their default administrative distance, which route will the router use to forward data to the remote network?（）

• A、The router will use the static route.
• B、The router will use the OSPF route.
• C、The route will use the EIGRP route.
• D、The router will load balance and use all three routes.

第16题：

A router has been configured with an EIGRP variance of 3. Which of the following statements istrue？（）

• A、An error will result because a router cannot be configured with an EIGRP variance of 3 becausethe maximum variance number is 2
• B、The successor route will end up in the routing table， and so will any route with a metric at mostthree times greater than the value of the successor’s metric
• C、EIGRP will only advertise routes that are within three hops of the current router
• D、The successor route will end up in the routing table， and so will any route with a metric at leastone third the value of the successor’s metric
• E、The best three routes with equal cost paths will end up in the routing table
• F、The successor route will be any route with three times the value of the advertised distance

第17题：

Which two statements are true regarding EIGRP？（）

• A、Passive routes are in the process of being calculated by DUAL.
• B、EIGRP supports VLSM，route summarization，and routing update authentication.
• C、EIGRP exchanges full routing table information with neighboring routers with every update.
• D、If the feasible successor has a higher advertised distance than the successor route，it becomes theprimary route.
• E、A query process is used to discover a replacement for a failed route if a feasible successor is not identified from the current routing information.

第18题：

Which three statements are true about EIGRP operation?（）

• A、When summarization is configured, the router will also create a route to null 0.
• B、The summary route remains in the route table, even if there are no more specific routes to the network.
• C、Summarization is configured on a per- interface level.
• D、The maximum metric for the specific routes is used as the metric for the summary route.
• E、Automatic summarization across major network boundaries  is enabled by default.

第19题：

Which three statements about BGP confederation and route reflectors are true？ （）

• A、Clusters are used in confederation schemes to avoid loops.
• B、BGP network can have a confederation within a route reflector area.
• C、An internal BGP network cannot have a route reflector within a confederation.
• D、An internal BGP network can have a route reflector within a confederation.
• E、Clusters are used in route reflector schemes to avoid loops.
• F、BGP network cannot have a confederation within a route reflector area.

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