默认题库 - CCNP(642-902)

单选题

Router R1 uses S0/0 to connect via a T/1 to the Frame Relay servicE. Five PVCs terminate on the serial link. Three PVCs (101, 102, and 103) are configured on subinterface S0/0.1, and one each (104 and 105) are on S0/0 .2 and S0/0.3. The configuration shows no configuration related to EIGRP WAN bandwidth control, and the bandwidth command is not configured at all. Which of the following is true about how IOS tries to limit EIGRP's use of bandwidth on S0/0?（）

A. R1 limi ts EIGRP to around 250Kbps on DLCI 102
B. R1 limits EIGRP to around 250Kbps on DLCI 104
C. R1 limits EIGRP to around 150Kbps on every DLCI
D. R1 does not limit EIGRP because noWAN bandwidth control has been configured

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单选题

An engineer has added the following configuration snippet to an implementation planning document. The configuration will be added to Router R1, whose Fa0/0 interface connects to a LAN to which Routers R2 and R3 also connect. R2 and R3 are already EIGRP neighbors with each of her. Assuming the snippet shows all commands on R1 related to EIGRP authentication, which answer lists an appropriate comment to be made during the implementation plan peer review?（） key chain fred key 3 key - string whehew interface fa0/0 ip authenticat ion key - chain eigrp 9 fred

A. The configuration is missing one authentication - related configuration command
B. The configuration is missing two authentication - related configuration commands
C. Authentication type 9 is not supported; type 5 should be u sed insteaD
D. The key numbers must begin with key 1, so change the key 3 command to key 1

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单选题

Router R1 has been configured with the commands rout er eigrp 9 and network 172.16.2.0 0.0.0.255, with no other current EIGRP configuration. R1's (working) Fa0/0 interface has been configured with IP address 172.16.2.2/26. R1 has found three EIGRP neighbors reachable via interface Fa0/0, including the rou ter with IP address 172.16.2.20. When the engineer attempts to add the neighbor 172.16.2.20 fa0/0 command in EIGRP configuration mode. Which of the following occurs？（）

A. Fa0/0 fails
B. The command is rejecteD
C. The existing three neighbors fail
D. The neighborship with 172.16.2.20 fails and then reestablishes
E. None of the other answers is correct

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单选题

Routers R1 and R2, currently EIGRP neighbors over their Fa0/0 interfaces (respectively),both use EIGRP authentication. Tuesday at 8 p.m. the neighborship fails. Which of the following wo uld not be useful when investigating whether authenticationhad anything to do with the failure？（）

A. debug eigrp packet
B. show key chain
C. show ip eigrp neighbor failure
D. show clock

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单选题

The output of s how ip eigrp topology on Router R1 shows the following output, which is all the output related to subnet 10.11.1.0/24. How many feasible successor routes does R1 have for 10.11.1.0/24?（） P 10.11.1.0/24, 2 successors, FD is 2172419 via 10.1.1.2 (2172423/2 8167), Serial0/0/0.1 via 10.1.1.6 (2172423/28167), Serial0/0/0.2

A. 0
B. 1
C. 2
D. 3

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多选题

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

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多选题

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 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.

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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 RT
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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单选题

R1 is internal to area 1, and R2 is internal to area 2. Subnet 10.1.1.0/24 exists in area 2 as a connected subnet off R2. ABR ABR1 connects area 1 to backbone area 0, and ABR2 c onnects area 0 to area 2. Which of the following LSAs must R1 use when calculating R1's best route for 10.1.1.0/24?（）

A. R2's Type 1 LSA
B. Subnet 10.1.1.0/24's Type 2 LSA
C. ABR1's Type 1 LSA in area 0
D. Subnet 10.1.1.0/24's Type 3 LSA in Area 0
E. Subnet 10.1.1.0/24's Type 3 LSA in Area 1

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单选题

A company has a Frame Relay WAN with one central - site router and 100 branch office routers. A partial mesh of PVCs exists: one PVC between the central site and each of t he 100 branch routers. All routers use point - to - point subinterfaces and one subnet per PVC. Which of the following is true about OSPF in this design?（）

A. The central site router has 100 fully adjacent neighborships with the 100 branches
B. The central site router has neighborships with all branch routers, but fully adjacent neighbors with only two branches
C. The central site router has a neighborship with the Frame Relay switcH
D. None of the other answers is correct

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