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NEW QUESTION # 103
Refer to the exhibit
Which router does R1 install as an alternate next hop when trying to reach R3 if LFA is enabled?
- A. R5
- B. R2
- C. R3
- D. R4
Answer: B
NEW QUESTION # 104
Refer to the exhibit.
Refer to the exhibit. Routers CE1 and CE2 are in AS 65530. which is multihomed for Internet access. An engineer expects inbound traffic to AS 65530 to arrive from PE1. but it is coming from PE2 instead PE1 and PE2 routers are connected with CE routers through the same bandwidth Which action must be taken to correct the problem?
- A. On router CE2, configure inbound routes from PE2 to CE2 with a local-preference value of 50 or greater.
- B. On router PEI , change the origin for routes that are redistributed from CEI to CE2.
- C. Set the local-preference value on router CEI to 100 or greater
- D. Configure router CEI to prepend the AS path to routes it receives from PE 1.
Answer: C
NEW QUESTION # 105
Refer to the exhibit.
The UserA device fails to recede IPTV streaming traffic from the source While debugging the issue a network engineer finds that routers RB and RC receive the multicast traffic normally RC receives subscription messages from UserA to join the IPTV stream Which action must the engineer lake on router RA to correct this problem?
- A. Remove the ip pim ssm default configuration and replace it with ip pim rp-address 10.10.1.3
- B. Change ip igmp version 2 to ip igmp version 3 on interface GigabitEthernet 1/0.
- C. Configure ip pim ssm with ip igmp version 2 on interface GigabitEthernet 1/0.
- D. Configure ip pim bidir-enable in global mode and add ip pim rp-address 10.10.10.3
Answer: B
NEW QUESTION # 106
Which difference must an engineer consider when Implementing Inter-domain and Intra-domain multicast routing on the network?
- A. Intra-domain routing uses the PIM and MBGP protocols for multicast routing, but inter-domain routing must use PIM.SSM or MSDP.
- B. Intra-domain routing is dependent on the RP router within the same SP network, but inter-domain routing reduces the dependency on the other SP network.
- C. Inter-domain routing supports policy routing to connect different multicast domains using PIM.SM, but intra-domain routing supports policy routing using PIM-SM only within a single domain.
- D. Intra-domain routing allows the service provider to control incoming and outgoing multicast data streams on its network, but inter-domain routing limits the service provider's control.
Answer: B
NEW QUESTION # 107
Refer to the exhibit.
Refer to the exhibit Networks 172.16.31.0/24 and 172 16 30.0/24 are advertised in area 34. and network 172.22 10.0/24 is advertised in area 0. A recent security review discovered that users connected to routers R1 and R2 have been making unauthorized access to an application running on network 172 16 31 0/24 An engineer determined that routers R1 and R2 are receiving updates for network 17 16 31 0/24 Which action resolves the issue?
- A. Apply route filtering on routers R3 and R4.
- B. Apply route filtering on router R4 only.
- C. Apply route filtering on routers RI and R2
- D. Apply route filtering on router R3 only.
Answer: B
NEW QUESTION # 108
Refer to the exhibit. A network operator must inject a Level 1 route from XR2 (10.16.16.0/24) into the ISIS topology.
Which configuration allows the injection in a way that XR3 and XR1 have a valid and working route for 10.16.16.0/24?
- A.
- B.
- C.
- D.
Answer: D
Explanation:
L1 route injected by XR2 won't be advertised to XR1, since L2 routes are NOT leaked to L1 by default. An [L2-L1] route leak policy should be configured on L1/L2 router (XR3).
NEW QUESTION # 109
Compare different features between OSPFv2 and OSPFv3. Drag and drop the descriptions of OSPF from the left onto the correct OSPF versions on the right.
Answer:
Explanation:
NEW QUESTION # 110
Refer to the exhibit.
A network engineer applied configuration on R5 to summarize all OSPF routes, but R4 is still receiving specific routes from R5. The engineer has confirmed that both R5 and R4 routers are configured with correct summarization configuration but R5 Is not sending the summary routes What action must the engineer take to fix the problem?
- A. Clear link-state database on both R4 and R5 routers for summarization to work
- B. Move R4 and R5 in separate areas as now they maintain the same link-state database
- C. Remove summarization configuration on R5 and configure it on R4
- D. Configure a sham link between R4 and R5 to support summarization within Area 2
Answer: B
NEW QUESTION # 111
Refer to the exhibit.
While configuring router 2 with all the default values, a network engineer cannot see any route received in router 1. How should the engineer solve the issue?
- A. Set the network type in S1/0 to point-to-point.
- B. Set up a priority different than 0 in the interface.
- C. Modify the IP address or mask of the interface to a valid one.
- D. Modify the router ID to be the interface IP on the serial.
Answer: C
NEW QUESTION # 112
Which two statements about mapping multicast IP addresses to MAC addresses are true? (Choose two.)
- A. All multicast MAC addresses end with 0x0100.5E
- B. The mapping process may generate overlapping addresses, which can cause receivers to receive unwanted packets
- C. The router performs the mapping before it hands the packet off to a switch
- D. All mapped multicast MAC addresses begin with 0x0100.5E
- E. All destination MAC addresses begin with an octet of binary 1s
Answer: B,D
NEW QUESTION # 113
Refer to the exhibit
Which router does R1 install as an alternate next hop when trying to reach R3 if LFA is enabled?
- A. R5
- B. R2
- C. R3
- D. R4
Answer: B
NEW QUESTION # 114
A CRS router that runs Cisco IOS XR has dual routing processors installed.
Which solution should be implemented to prevent OSPF adjacency flapping if the primary routing processor fails?
- A. NSR
- B. OSPF RE Sync
- C. OSPF Fast Timers
- D. NSF
- E. router msdp
Answer: A
NEW QUESTION # 115
Refer to the exhibit. HostB receives an IPTV traffic stream from the multicast source at
192.168.10.1. When router RB is powered down, it impacts multicast traffic forwarding to downstream peers. The RA and RB routers reside in the same physical location.
Which two configurations must be implemented so that HostB receives the multicast stream even when RB is powered down? (Choose two.)
- A. Set the backup RP address to 10.10.10.3 on routers RY and RZ.
- B. Enable bi-directional PIM on all routers.
- C. Set the RP address to 10.10.10.4 on all routers.
- D. Enable PIM sparse mode on routers RC and RZ with a static RP address of 10.10.10.1.
- E. Enable PIM SSM mode on routers RA and RY.
Answer: D,E
NEW QUESTION # 116
Refer to the exhibit.
Refer to the exhibit. Network connectivity between bank A and bank B has been lost Users at bank A and bank B are able to successfully reach their directly connected PE routers. All routers in OSPF area 0 are correctly advertising and learning routing updates. Which action resolves the issue?
- A. Configure the P routers to redtstnbute BGP routes within OSPF area 0.
- B. Configure router PI to advertise the IP prefix of PEI.
- C. Enable next-hop-self under the iBGP peering configuration on routers PEI and PE2
- D. Configure MPLS with an end-to-end label-switched path on each router.
Answer: D
NEW QUESTION # 117
A network engineer is troubleshooting OSPF multiarea. Which Cisco IOS XR feature should the engineer use in order to streamline OSPF issue?
- A. routing process enabled by default on all interfaces
- B. DR support for topology management
- C. hierarchical CLI
- D. show ip ospf topology command
Answer: C
Explanation:
https://www.cisco.com/c/en/us/td/docs/routers/xr12000/software/xr12k_r4-
0/routing/configuration/guide/rc40xr12k_chapter4.html#con_1059437
NEW QUESTION # 118 
Refer to the exhibit A network engineer configured the redistribute connected subnets route-map filtering command on R1 to redistribute connected interfaces to the OSPF process The engineer also wants to filter out IP address 10 0 1 0/24. but the prefix still appears in the routing tables of the other routers on the network.
Which action corrects the problem?
- A. Remove route-map sequence 30.
- B. Add a set statement to route-map sequence 20.
- C. Change the deny statement in access list 2 to permit
- D. Remove the subnets keyword from the redistribute connected subnets route-map filtering command.
Answer: C
NEW QUESTION # 119
Refer to the exhibit.
CE1 is the gateway router into the provider network via PE1. A network operator must inject a default route into OSPF area 0. All devices inside area 0 must be able to reach PE1. Which configuration achieves this goal?
- A. Option B
- B. Option A
- C. Option D
- D. Option C
Answer: D
NEW QUESTION # 120
Refer to the exhibit.
Refer to the exhibit. Excessive routes are flooding from network 150.0.0.0 into AS100. Internet traffic between AS400 and AS300 is working normally. No route controlling mechanism is applied on incoming and outgoing traffic Which configuration resolves the issue?
- A. Option B
- B. Option D
- C. Option A
- D. Option C
Answer: C
NEW QUESTION # 121
Refer to the exhibit. Why is neighbor 10.1.5.5 stuck in "2WAY" state?
- A. Router ID 10.1.5.5 is not reachable from R2
- B. OSPF parameters (Area ID or hello interval) are mismatched between R2 and 10.1.5.5
- C. OSPF authentication has failed between R2 and 10.1.5.5
- D. It is an expected behavior when OSPF network type is broadcast
Answer: D
Explanation:
https://www.cisco.com/c/en/us/support/docs/ip/open-shortest-path-first-ospf/13683-11.html
NEW QUESTION # 122
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