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CCNP - CH.2

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Routing.
Ali Sahar
Quiz by Ali Sahar, updated more than 1 year ago
Ali Sahar
Created by Ali Sahar about 9 years ago
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Resource summary

Question 1

Question
Which EIGRP algorithm tracks all the routes that are advertised by neighbors and uses the composite metric of each route to compare the routes?
Answer
  • STP
  • Dijkstra
  • DUAL
  • SPF

Question 2

Question
Which two statements are true of EIGRP topology depth? (Choose two.)
Answer
  • Topology depth should be limited to 15 routers.
  • Redundant links and alternative paths can be used to reduce topology depth.
  • Topology depth is the maximum hop count between any two EIGRP routers in the topology.
  • Route summarization can reduce the convergence time in networks with large depth.
  • Topology depth is the number of router hops necessary for traffic to reach from access layer to core layer.
  • Topology depth refers to the total number of hops that information must travel to reach all EIGRP routers in the network.

Question 3

Question
Which event must take place to transition an EIGRP route that is in the active state back to the passive state?
Answer
  • expiration of the RTO timer
  • an update packet that is received from every EIGRP neighbor
  • an acknowledgment that is received from every EIGRP neighbor
  • a reply that is received from each neighbor for every generated query
  • a feasible successor route that is moved from the topology table to the routing table

Question 4

Question
Which statement is a requirement for the EIGRP AS number?
Answer
  • It is the EIGRP router ID and must be the same on each router in the EIGRP domain.
  • It is only locally significant, and as a result it can be different on each router in the EIGRP domain.
  • It is selected by the network administrator and must be the same on each router in the EIGRP domain.
  • It is assigned by IANA and must be the same on each router in the EIGRP domain.

Question 5

Question
Which design plan or diagram would govern how well EIGRP will scale?
Answer
  • IP addressing plan
  • STP topology diagram
  • Layer 2 addressing plan
  • detailed cabling plan
  • EIGRP traffic engineering plan

Question 6

Question
The network administrator wants RTA to send only the summarized route of 10.10.0.0/16 to RTB. Which configuration will accomplish this?
Image:
b5ecdeea-806b-4492-bc15-4c7ee0fc1d70 (image/png)
Answer
  • RTA(config)# interface s0/0 RTA(config-if)# ip summary-address eigrp 101 10.10.0.0 255.255.0.0 RTA(config-if)# exit RTA(config)# router eigrp 101 RTA(config-router)# no auto-summary
  • RTA(config)# interface s0/1 RTA(config-if)# ip summary-address eigrp 101 10.10.0.0 255.255.0.0 RTA(config-if)# exit RTA(config)# router eigrp 101 RTA(config-router)# no auto-summary
  • RTA(config)# interface s0/0 RTA(config-if)# ip summary-address eigrp 101 10.10.0.0 255.255.0.0
  • RTA(config)# interface s0/1 RTA(config-if)# ip summary-address eigrp 101 10.10.0.0 255.255.0.0

Question 7

Question
Refer to the exhibit. Which statement is true about the EIGRP hello packets that are received by router R2?
Image:
eac5e532-1f54-48df-9d46-8594a7a9954a (image/png)
Answer
  • They are encrypted.
  • They are authenticated.
  • They are sent confidentially.
  • They must be acknowledged.

Question 8

Question
Which two solutions are used in an EIGRP network to reduce DUAL computations? (Choose two.)
Answer
  • authentication
  • load balancing
  • partial updates
  • summarization
  • EIGRP stub routing

Question 9

Question
Which three technologies are used in EIGRP? (Choose three.)
Answer
  • Dijkstra algorithm
  • DUAL finite-state machine
  • reliable transport protocol
  • link-state advertisements
  • protocol-specific modules
  • Bellman-Ford algorithm

Question 10

Question
When does an EIGRP router place a route in the active state?
Answer
  • when there is no successor route in the routing table
  • when the feasible distance is greater than the reported distance of the route
  • when an update packet containing information about the route is not acknowledged
  • when the current successor is no longer valid and there is no feasible successor in the topology table

Question 11

Question
What are two advantages to deploying a hierarchical IP addressing scheme in an EIGRP network? (Choose two.)
Answer
  • greater redundancy
  • improved scalability
  • ability to use network route summarization
  • better route optimization creating shorter paths
  • fewer network addresses that need to be allocated for the network

Question 12

Question
Refer to the exhibit. Based on the output of show ip eigrp neighbors, what are two possible problems with adjacencies between Router1 and Router2? (Choose two.)
Image:
b1d54a5c-3660-4663-9b09-34011a135cdd (image/png)
Answer
  • The routers are configured with different EIGRP AS numbers.
  • Automatic summarization was disabled.
  • The hello timer for R1 was altered.
  • The serial interfaces for both routers are in different networks.
  • No feasible successors were found.

Question 13

Question
Which action is effective in preventing EIGRP routes from becoming SIA?
Answer
  • Use multiple EIGRP autonomous systems to bound the query range.
  • Modify keepalive timers on point-to-point connections.
  • Maintain a hierarchical network design.
  • Keep K-values at default settings.

Question 14

Question
Which EIGRP packet type can quickly propagate through a network and result in excessive DUAL computations and high CPU loads?
Answer
  • acknowledgment
  • hello
  • reply
  • update
  • query

Question 15

Question
A router in a fully converged EIGRP network detects that a remote route is unreachable. Which two events may occur next? (Choose two.)
Answer
  • EIGRP will look for a feasible successor in the routing table.
  • DUAL will calculate the highest cost routes to each network.
  • EIGRP will send a bounded update to alert neighbors about the failure.
  • The router will forward the complete routing table to the neighboring routers.
  • DUAL will look for a feasible successor route in the topology table and, if one is found, it will add this route to the routing table.

Question 16

Question
What are two advantages of modifying the interface metrics when deploying EIGRP in a network? (Choose two.)
Answer
  • improved bandwidth utilization
  • less likely to have routing loops
  • faster convergence
  • better control over traffic patterns
  • more efficient troubleshooting

Question 17

Question
Refer to the exhibit. All three routers are exchanging EIGRP routes. What value represents the advertised distance of the feasible successor for the 10.1.2.0/24 network?
Image:
15069532-56fa-4700-b2d8-15bfd80b2e1d (image/png)
Answer
  • 256
  • 532
  • 768
  • 1280
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