Which command will display all the EIGRP feasible successor routes known to a router?()A. Router# show ip eigrp routes *B. Router# show ip eigrp summaryC. Router# show ip eigrp topologyD. Router# show ip eigrp adjacenciesE. Router# show ip eigrp neighbors

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第2题：

After DUAL calculations, a router has identified a successor route, but no routes have qualified as a feasible successor. In the event that the current successor goes down, what process will EIGRP use in the selection of a new successor?（）

• A、EIGRP will automatically use the route with the lowest advertised distance (AD) .
• B、The route will transition to the active state.
• C、The route will transition to the passive state.
• D、EIGRP will find the interface with the lowest MAC address.
• E、EIGRP will automatically use the route with the lowest feasible distance (FD).

第3题：

What is the meaning of the default value of the EIGRP variance command of 1? （）

• A、Only the path that is the feasible successor should be used.
• B、Load balancing is disabled on t his router.
• C、The router only performs equal - cost load balancing on all paths that have a metric greater than 1
• D、The router performs equal - cost load balancing.

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：

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：

What does a router do if it has no EIGRP feasible successor route to a destination network and the successor route to that destination network is inactive status?（）

• A、It routes all traffic that is addresses to the destination network to the interface indicates in the routing table.
• B、It sends a copy of its neighbor table to all adjacent routers.
• C、It sends a multicast query packet to all adjacent neighbors requesting available routing paths to the destination network.
• D、It broadcasts Hello packets to all routers in the network to re-establish neighbor adjacencies.

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第13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14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.
• F、Successors are not used in EIGRP.

第15题：

Which command will display all the EIGRP feasible successor routes known to a router?（）

• A、Router# show ip eigrp routes *
• B、Router# show ip eigrp summary
• C、Router# show ip eigrp topology
• D、Router# show ip eigrp adjacencies
• E、Router# show ip eigrp neighbors detail

第16题：

Router R1 lists 4 routes for subnet 10.1.1.0/24 in the output of the show ip eigrp topology all - links command. The variance 200 command is configured, but no other related commands are configured. Which of the following rules are true regarding R1's decision of what r outes to add to the IP routing table? Note that RD refers to reported distance and FD to feasible distanc E.（）

• A、Adds all routes for which the metric is <= 200 * the best metric among all routes
• B、Adds all routes because of the ridiculously high variance setting
• C、Adds all successor and feasible successor routes
• D、Adds all successor and feasible successor routes for which the metric is<=200 * the best metric among all routes

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：

For a router to successfully redistribute routes between OSPF and EIGRP, which of the following are true?（）

• A、The router must have one routing protocol configured, but configuration for both routing protocols is not necessary
• B、The router must hav e at least one working link connected to each routing domain
• C、The redistribute command must be configured under EIGRP to send the routes to OSPF
• D、The redistribute command should be configured under OSPF to take routes from EIGRP into OSPF

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