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H3C Large-Scale Routing Network Technologies V2.0 Sample Questions:
1. In the IS-IS network as shown in the figure, in the case of stable routing, the link between RTB and RTD increases from the address network segment 192.168.224.0/24, then IS-IS topology ______, IP routing information ______.
A) no change, change
B) change, change
C) change, no change
D) no change, no change
2. In the network shown in the figure, the default next hop of PTA is RTC, and the configuration of PBR is as follows:
policy-based-route pbr_a permit node 10
if-match acl 3000
appldefault output-interface serial 2/0
policy-based-route pbr_a dennode 20
According to the above configuration, what is wrong about the data stream matching Acl 3000 on the RTA?
A) When all links in the network are normal, the packet will be sent to PTB
B) When the PTA and PTC link fails at the same time, the packet will be discarded
C) When the PTA and PTC link fails at the same time, the message will be sent to the PTB
D) When all links in the network are normal, the message will be sent to PTC
3. In the network shown in the figure, OSPF 100 runs on RTA, RTB and RTC, and RTA and RTB establish EBGP neighbor relationship with RTD respectively.
AS 200 advertises the route 10.10.10.0/24 to AS 100, and sets the MED value of the route advertised to RTA to 100, and the MED value of the route advertised to RTB to 200.
The main configurations of RTA and RTB are as follows:
RTA]
bgp 100
peerRTD as-number 200
peerRTB as-number 100
ospf 100
import-route bgp cost 10
RTB]
bgp 100
peerRTD as-number 200
peerRTA as-number 100
ospf 100
import-route bgp cost 20
Users expect RTC to choose RTA when accessing 10.10.10.0/24, but it turns out that RTC chooses RTB for data forwarding.
How should appeals be resolved?
A) This problem can be solved by configuring BGP synchronization in RTA and RTB.
B) MED setting problem, the MED values of RTA-RTD and RTB-RTD should be exchanged.
C) Set the OSPF internal routing priority to 110 on RTA and RTB, and set the OSPF external routing priority to 190
D) Set the BGP priority to 170 on RTA and RTB, and set the OSPF external route priority to 190
4. In the IS-IS network shown in the figure, each router is configured as follows.
RTA-isis-1] cost-ste wide
RTB-isis-1] cost-ste wide-compatible
RTC-isis-1]cost-ste narrow-compatible
Then it is ________ that can correctly calculate the link cost between each other.
A) RTA and RTB
B) RTB and RTC
C) RTA and RTC
D) None
5. A local area network has been running for 1 year (8,760 hours) and has been shut down for 8 hours due to equipment failure. Later, after the network was expanded and new equipment was added, it ran for another year, and was stopped for another 3 hours due to software failure.
Which of the following statements is true about the availability of this network (Avalabilit)?
A) Before expansion, network availability was 99.91%
B) Availability after network expansion is better than before expansion
C) Availability after network expansion is worse than before expansion
D) The availability of the network is 99.96% since its inception
Solutions:
Question # 1 Answer: A | Question # 2 Answer: A,B | Question # 3 Answer: D | Question # 4 Answer: A,B | Question # 5 Answer: A,B |