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NEW QUESTION 151
In the topology shown in the figure, by executing the import-route direct command on RTA, inject 192.168.0.0/24, 192.168.1.0/24, 192.168.2.0/24, 192.168.3.0/24 and 192.168.4.0/ 24 These five routes, and perform the following configuration on RTA, RTB and RTC respectively:
RTA]ospf 1
RTA-ospf-1]area 1
RTA-ospf-1-area-0.0.0.1]network 10.0.0.0 0.0.0.255
RTA-ospf-1-area-0.0.0.1]network 1.1.1.1 0.0.0.0
RTA-ospf-1-area-0.0.0.1]nssa
RTA-ospf-1]asbr-summar192.168.0.0 255.255.224.0 not -advertise
RTB]ospf 1
RTB-ospf-1]area 1
RTB-ospf-1-area-0.0.0.1]network 10.0.0.0 0.0.0.255
RTB-ospf-1-area-0.0.0.1]nssa default-route-advertise
RTB-ospf-1-area-0.0.0.1]area 0
RTB-ospf-1-area-0.0.0.0]network 2.2.2.2 0.0.0.0
RTB-ospf-1-area-0.0.0.0]network 20.0.0.0 0.0.0.255
RTC]ospf 1
RTC-ospf-1]area 0
RTC-ospf-1-area-0.0.0.0]network 3.3.3.3 0.0.0.0
RTC-ospf-1-area-0.0.0.0]network 20.0.0.0 0.0.0.255
Then the impossible routes in the RTC routing table are _____
- A. 2.2.2.3/32
- B. 1.1.1.1/32
- C. 192.168.3.0/24
- D. 192.168.0.0/20
Answer: C,D
NEW QUESTION 152
Among the following statements about BGP load sharing, the correct one is ______.
- A. It is possible to form equal-cost routes by learning the same route from EBGP and IBGP neighbors at the same time
- B. BGP does not support load sharing, only IGP supports responsible sharing
- C. BGP only performs load balancing on routes with the same AS_PATH, ORIGIN, local preference, and MED
- D. IBGP supports equal-cost routing, EBGP does not support equal-cost routing
Answer: C
NEW QUESTION 153
After executing the displaospf interface command on the MSR router RTA, the router output is as follows:
It can be judged from the above output that ________.
- A. The IP address of the current interface is 192.168.1.1
- B. The Router ID of RTA's OSPF process 1 is 2.2.2.2
- C. RTA is elected as DR in the network segment where the interface is located
- D. The OSPF network type of the current interface is Broadcast
Answer: A,B,D
NEW QUESTION 154
Among the following statements about PBR (polic-based-route) load sharing applications, the correct one is ______________.
- A. PBR can implement load sharing on the outbound interface according to the next hop of the route
- B. PBR can realize load sharing on the outgoing interface according to different packet lengths
- C. PBR can implement load sharing on the outgoing interface according to the different bearer services of the data stream
- D. PBR can implement load sharing on the outbound interface according to the source address of the message
Answer: B,C,D
NEW QUESTION 155
Regarding filter-polic filtering OSPF routes, which of the following statements are correct?
- A. OSPF routes can be filtered by configuring ACL
- B. It is not possible to filter OSPF routes through the IP address prefix list
- C. It is not possible to filter routing information through interfaces
- D. OSPF routing information can be filtered by the next hop based on the routing information to be added to the routing table
Answer: A,C,D
NEW QUESTION 156
In the IS-IS network as shown in the figure, RTA, RTC, RTD, and RTE establish a Level-2 neighbor relationship with each other; RTB, RTA, and RTC establish a Level-1 neighbor relationship. After the reasons for each router are stable, when RTB accesses 192.168.14.1, the next hop is ______.
If RTC adds the following configuration at this time:
RTC-isis-1]import-route isis level-2 into level-1
Then when RTB accesses 192.168.4.1, the next hop is ______.
- A. RTC; RTC
- B. RTA; RTC
- C. RTC; RTA
- D. RTA; RTA
Answer: A
NEW QUESTION 157
PBR configuration on a router is as follows.
polic-based-route pbr_a permit node 10
if-match acl 3000
apploutput-interface serial 2/0
polic-based-route pbr_a dennode 20
if-match acl 3000
Assuming that the strategy has been successfully applied, how will the data stream configured with Acl3000 on the router be forwarded?
- A. The data stream matching Acl 3000 will be forwarded according to the normal route
- B. Data streams matching Acl 3000 will be forwarded according to the default route
- C. Data streams matching Acl 3000 will be discarded
- D. Data flows matching Acl 3000 will be forwarded according to policy routing
Answer: D
NEW QUESTION 158
As shown in the figure, the MSR router in the headquarters is connected to the branch through the Ethernet interface E1/0, and the connection is backed up through the ISDN network. Which of the following options is the most reasonable and feasible at this time?
- A. OSPF protocol runs on the Ethernet link between the headquarters and the branch. Set a static route, the outgoing interface is Bri2/0, and the priority value is 0
- B. The RIP protocol runs on the Ethernet link between the headquarters and the branch. Set a static route, the outgoing interface is Bri2/0, take the default priority value
- C. OSPF protocol runs on the Ethernet link between the headquarters and the branch. Set a static route, the outgoing interface is Bri2/0, and the priority value is 5
- D. The RIP protocol runs on the Ethernet link between the headquarters and the branch. Set up a dynamic routing backup group on the outbound interface Bri2/0
Answer: D
NEW QUESTION 159
The administrator wants to configure the RIP routing priority value on the MSR router to be 60. Which of the following commands is correct?
- A. Router-rip-1]preference 60
- B. Router]rip preference 60
- C. Router-rip-1]rip preference 60
- D. Router]preference 60
Answer: A
NEW QUESTION 160
If the BGP neighbor is successfully established, the neighbor status viewed by the displabgp peer command is ______.
- A. Connect
- B. Established
- C. Full
- D. Active
Answer: B
NEW QUESTION 161
The DD (Database Description) message in the OSPF protocol has the function of ______.
- A. Describe the summary information of LSA
- B. Maintain the neighbor relationship when the router is in the ExStart state
- C. The master-slave relationship of negotiation interaction
- D. Respond to the LSA message and send the complete LSA requested by the neighboring router
Answer: A,C
NEW QUESTION 162
As shown in the figure, the MSR router in the headquarters is connected to the branch through the Ethernet interface E1/0, and the connection is backed up through the ISDN network. Which of the following options is the most reasonable and feasible at this time?
- A. The RIP protocol runs on the Ethernet link between the headquarters and the branch. Set a static route, the outgoing interface is Bri2/0, and the priority value is 200
- B. OSPF protocol runs on the Ethernet link between the headquarters and the branch. Set a static route, the outgoing interface is Bri2/0, and the priority value is 0
- C. The RIP protocol runs on the Ethernet link between the headquarters and the branch. Set a static route, the outgoing interface is Bri2/0, take the default priority value
- D. OSPF protocol runs on the Ethernet link between the headquarters and the branch. Set a static route, the outgoing interface is Bri2/0, and the priority value is 5
Answer: A
NEW QUESTION 163
Perform the following configurations on RTA, RTB, and RTC in the topology shown in the figure:
RTA-GigabitEthernet0/0] ip address 192.168.2.1 255.255.255.0
RTA] ospf 1 router-id 1.1.1.1
RTA-ospf-1] area 1
RTA-ospf-1-area-0.0.0.1] network 192.168.2.0 0.0.0.255
RTB-GigabitEthernet0/0] ip address 192.168.2.2 255.255.255.0
RTB-GigabitEthernet0/1] ip address 192.168.3.1 255.255.255.0
RTB] ospf 1 router-id 2.2.2.2
RTB-ospf-1] area 1
RTB-ospf-1-area-0.0.0.1] network 192.168.2.0 0.0.0.255
RTB-ospf-1] area 0
RTB-ospf-1-area-0.0.0.0] network 192.168.3.0 0.0.0.255
RTB-ospf-1]import-route direct
RTC-GigabitEthernet0/0] ip address 192.168.3.2 255.255.255.0
RTC] ospf 1 router-id 3.3.3.3
RTC-ospf-1] area 0
RTC-ospf-1-area-0.0.0.0] network 192.168.3.0 0.0.0.255
Then the types of LSAs generated by RTB in the OSPF area are _______
- A. Tpe1 LSA
- B. Tpe3 LSA
- C. Tpe2 LSA
- D. Tpe4 LSA
- E. Tpe5 LSA
Answer: A,B,C,D,E
NEW QUESTION 164
h In the IS-IS network shown in the figure, the adjacency relationship between routers is established normally, and routes can be learned from each other.
Which routers in the figure must be IS-IS Level-1-2 routers?
- A. RTC
- B. RTD
- C. RTE
- D. RTA
- E. RTB
Answer: B,D,E
NEW QUESTION 165
In the topology shown in the figure, execute the following commands on the RTA router:
RTA-ospf-1] default-route-advertise alwa
RTA] ip route-static 0.0.0.0 0.0.0.0 192.168.0.2
The default route cannot be observed in the routing table of the RTC router. The possible reason is ______
- A. The default route of RTA does not enter the OSPF area through the import command
- B. RTA's default route next hop address 192.168.0.2 is unreachable
- C. Area1 is configured as an NSSA area
- D. A routing policy is configured on RTB to filter the default route
Answer: C
NEW QUESTION 166
RTA and RTB run OSPF routing protocol, and both belong to the backbone area.
Which of the following methods can be used to advertise the RTA direct route 192.168.1.0/24 to the OSPF routing domain?
- A. RTA-ospf-1-area-0.0.0.0]network 192.168.1.0 0.0.0.255
- B. RTA]ip route-static 192.168.1.0 24 null0 RTA-ospf-1]import-route static
- C. RTA-ospf-1]import-route static
- D. RTA-ospf-1]import-route direct
Answer: A,D
NEW QUESTION 167
Which of the following statements about the AS_PATH attribute is correct:
- A. All BGP routes must contain AS_PATH, even if AS_PATH is empty
- B. When advertising routes to EBGP neighbors, if the AS_PATH of a route contains the AS number of the opposite end, the route will not be sent to the opposite end
- C. AS_PATH is an optional pass attribute
- D. When advertising routes to EBGP neighbors, if the AS_PATH of a route contains the AS number of the opposite end, the route is ignored
Answer: A,D
NEW QUESTION 168
In the network as shown in the figure, OSPF 100 runs on RTA, RTB, and RTC, and RTA and RTB establish EBGP neighbor relationships with RTD respectively.
AS 200 advertises 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 is 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
The user wants RTC to prefer RTA when accessing 10.10.10.0/24, but it turns out that RTC chooses RTB for data forwarding.
How should the appeal issue be resolved?
- A. On RTA and RTB, set the BGP priority to 170, and the OSPF external route priority to 190
- B. MED setting problem, the MED value of RTA-RTD and RTB-RTD should be exchanged.
- C. On RTA and RTB, set the OSPF internal route priority to 110, and the OSPF external route priority to 190
- D. Configure BGP synchronization in RTA and RTB to solve this problem.
Answer: A
NEW QUESTION 169
In the topology shown in the figure, the following configurations are performed on RTA, RTB, RTC and RTD respectively:
RTA-LoopBack0] ip address 1.1.1.1 255.255.255.255
RTA]ospf 1
RTA-ospf-1]area 1
RTA-ospf-1-area-0.0.0.1]network 10.0.0.0 0.0.0.255
RTA-ospf-1]import-route direct
RTB-LoopBack0] ip address 2.2.2.2 255.255.255.255
RTB]ospf 1
RTB-ospf-1]area 1
RTB-ospf-1-area-0.0.0.1]network 10.0.0.0 0.0.0.255
RTB-ospf-1-area-0.0.0.1]area 0
RTB-ospf-1-area-0.0.0.0]network 2.2.2.2 0.0.0.0
RTB-ospf-1-area-0.0.0.0]network 20.0.0.0 0.0.0.255
RTC-LoopBack0] ip address 3.3.3.3 255.255.255.255
RTC]ospf 1
RTC-ospf-1]area 0
RTC-ospf-1-area-0.0.0.0]network 20.0.0.0 0.0.0.255
RTC-ospf-1-area-0.0.0.0]area 2
RTC-ospf-1-area-0.0.0.2]nssa default-route-advertise
RTC-ospf-1-area-0.0.0.2]network 30.0.0.0 0.0.0.255
RTC-ospf-1-area-0.0.0.2]network 3.3.3.3 0.0.0.0
RTD-LoopBack0] ip address 4.4.4.4 255.255.255.25
RTD]ospf 1
RTD-ospf-1]area 2
RTD-ospf-1-area-0.0.0.2]network 30.0.0.0 0.0.0.255
RTD-ospf-1-area-0.0.0.2]nssa
RTD-ospf-1]import-route direct
Which of the following routes may exist in the RTD routing table _______.
- A. 0.0.0.0/0
- B. 3.3.3.3/32
- C. 1.1.1.1/32
- D. 2.2.2.2/32
Answer: A,B,D
NEW QUESTION 170
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