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 au

第1题：

Router R1 has been configured with the redistribute ospf 1 route - map fred command under router eigrp 1. The route map named fred needs to be configured to match routes to d etermine which routes are redistributed into EIGRP. Which of the following answers lists an item that cannot be matched by route map fred?（）

• A、Subnet number
• B、Next - hop router IP address of the route
• C、Whether the route is an E1 or E2 route
• D、The ro ute's tag
• E、The number of router hops between the router and the subnet

第2题：

A router has learned three possible routes that could be used to reach a destination network. One route is from EIGRP and has a composite metric of 20514560. Another route is from OSPF with a metric of 782.The last is from RIPv2 and has a metric of 4. Which route or routes will the router install in the routing table?（）

• A、Router R2 will not form a neighbor relationship with R1.
• B、Router R2 will obtain a full routing table, including a default route, from R1.
• C、R2 will obtain OSPF updates from R1, but will not obtain a default route from R1.
• D、R2 will not have a route for the directly connected serial network, but all other directly connected

第3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4题：

A router has EIGRP configured as the only routing protocol. How does EIGRP respond if there is no feasible successor route to a destination network and the successor route fails?（）

• A、It immediately sends its entire routing table to its neighbors.
• B、EIGRP sends a Hello packet to the DR to inform it of the route failure.
• C、It automatically forwards traffic to a fallback default route until a successor route is found.
• D、It sends queries out to neighbors until a new successor route is found.
• E、It places the route in holddown until LSA updates inform it of a new route to the network.

第5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6题：

Router R1 learns two routes with BGP for prefix 200.1.0.0/16. Comparing the two routes, route 1 has a longer AS_Path Length, bigger MED, bigger Weight, and smaller Loca l PreferencE. Which of the following is true about Router R1's choice of best path for this prefix?（）

• A、Route 1 is the best route.
• B、Route 2 is the best route.
• C、The routes tie as best, but one will be picked to be placed in the routing table based on tiebreakers.
• D、Neither route is considered best.

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第12题：

A router has two paths to reach another network in a different autonomous system. Neither route was generated by the local router and both routes have the same default weight an d local preference values. Which statement is true about how BGP would select the best path?（）

• A、To influence one route to be preferred, its default local preference value will be changed via the use of the command bgp default local - preference 50
• B、Th e router will prefer the shortest autonomous system path
• C、If the command bgp always - compare - med has been given, then the router will prefer the route with the highest MED
• D、The router will prefer the route with the lower MED

第13题：

A routing policy has three terms and the first term of the policy does not contain a terminating action. What will become of the routes after they have been evaluated by the first term?（）

• A、In the absence of a terminating action, all routes are accepted.
• B、The route will be evaluated by the second term in the policy.
• C、The default action will be applied.
• D、In the absence of a termination action, all routes are rejected.

第14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15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16题：

A router has learned three possible routes that could be used to reach a destination network. One route is from EIGRP and has a composite metric of 20514560. Another route is from OSPF with a metric of 782. The last is from RIPv2 and has a metric of 4. Which route or routes will the router install in the routing table?（）

• A、the OSPF route
• B、the EIGRP route
• C、the RIPv2 route
• D、all three routes
• E、the OSPF and RIPv2 routes

第17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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