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NEW QUESTION # 51
Refer to the exhibit.
Which statement about this command is true?
- A. It is used to set the designated router on a link using PIM-SM.
- B. It is used to set the router that will server as the root bridge for STP.
- C. It must be configured on each PE router to enable the PE routers to receive multicast traffic for this particular MVRF.
- D. It must be configured on the PE and CE router to enable MP-BGP to send labels for CSC.
Answer: C
Explanation:
Reference: https://www.cisco.com/c/en/us/td/docs/routers/asr1000/configuration/guide/chassis/asrswcfg/ lsmmldp.html
NEW QUESTION # 52
Refer to the exhibit.
Which statement about this output is true?
- A. The adjacent router is the egress LSR and has mpls ldp explicit-null configured.
- B. The zero in the second column is the normal behavior of an egress router LSR.
- C. The router IP 192.168.1.2 sent an implicit null, and the output is from the penultimate LSR.
- D. The adjacent LSR router configured mpls label range 0.
Answer: A
NEW QUESTION # 53
Refer to the exhibit. A network operator is implementing EVPN IRB on PE1. Which two command placements enable the advertisement of Type 2 routes and what information do Type 2 routes contain? (Choose two.)
- A. Type 2 routes contain inclusive source-specific multicast route information.
- B. Type 2 routes contain Ethernet Auto-Discovery information.
- C. Type 2 routes contain MAC/IP information.
- D. The operator adds in "host-routing" under the VRF EVPN.
- E. The operator adds in "host-routing" under the BVI651 interface.
Answer: C,E
NEW QUESTION # 54
Refer to the exhibit. A technician is troubleshooting a connectivity issue and notices that there is no IS-IS adjacency between R1 and R2. What can the technician change to bring the IS-IS adjacency up?
- A. Change R1's net address to be in the same area as R2.
- B. Change R2's net address to be in the same area as R1.
- C. Change R1's is-type to level-2-only
- D. Change R2's configuration to no longer set the overload bit.
Answer: C
NEW QUESTION # 55
Refer to the exhibit.
Which statement describes the result of this BGP configuration?
- A. R1 operates using IPv4 and VPNv4 address families.
- B. R1 establishes a VPNv4 eBGP relationship with neighbor 192.168.1.1.
- C. R1 operates on IPv6 only because the bgp default ipv4-unicast command is missing.
- D. R1 establishes an iBGP relationship with peer 192.168.1.1.
Answer: D
NEW QUESTION # 56
Refer to the exhibit. An engineer is trying to configure an EVPN VWPS. What is the issue with this configuration?
- A. The service instance and the EVPN instance are different.
- B. The 12vpn evpn command should be instance 101.
- C. Interface GigabitEthernet0/1/0 should not have any IP address.
- D. The member in the VPWS context should be the PE-facing interface.
Answer: C
NEW QUESTION # 57
How do Ethernet virtual circuits provide a way for service providers to maximize the use of VLAN tags?
- A. They redefine the VLAN tag to include classification, forwarding, and QoS using MPLS labels and EXP bits
- B. They separate the classification and forwarding concepts for VLAN tagging which allows multiple switch ports to use the same VLAN ID without it being configured globally.
- C. They assign VLAN IDs to VTP domains so that the same VLAN ID are used more than once globally.
- D. They add an additional tag to VLANs that allows up to two switch ports to use the same globally configured VLAN ID.
Answer: B
NEW QUESTION # 58
Which option is used as a loop prevention mechanism to support MPLS VPN customers with multihomed sites?
- A. sham links
- B. allowas-in
- C. AS override
- D. SOO extended BGP community
- E. BGP down bit
Answer: D
NEW QUESTION # 59
Refer to the exhibit. Which result occurs when PE1 learns a new MAC address and all three PEs are enabled with EVPN native?
- A. The new MAC address is sent by BGP to PE2 and PE3 as a Type 2 BGP route.
- B. The MAC address is entered into the CAM table and is classified for use on the native VLAN
- C. The MAC address is entered into the CAM table only if it is learned on the native VLAN.
- D. A system notification is sent to the network administrator that triggers the manual configuration of the new MAC address on PE2 and PE3.
Answer: A
NEW QUESTION # 60
In Layer 3 MPLS VPN implementations, if some of the VPNv4 routes on one PE router do not appear on another PE router, what could be the problem?
- A. RD mismatch between the PE routers
- B. RD export and import configuration errors
- C. VRF name mismatch between the PE routers
- D. RT export and import configuration errors
Answer: D
NEW QUESTION # 61
An engineer needs to improve MPLS network management by implementing a set of tools to support the NOC engineers in troubleshooting network failures. Which feature should the engineer implement to check the connectivity of the MPLS LSP between the ingress and egress PE routers?
- A. extended ping
- B. MPLS OAM
- C. LDP autodiscovery
- D. MPLS-TP
Answer: B
NEW QUESTION # 62
How do Ethernet virtual circuits provide a way for service providers to maximize the use of VLAN tags'-1
- A. They redefine the VLAN tag to include classification, forwarding, and QoS using MPLS labels and EXP bits
- B. They separate the classification and forwarding concepts for VLAN tagging which allows multiple switch ports to use the same VLAN ID without it being configured globally.
- C. They assign VLAN IDs to VTP domains so that the same VLAN ID are used more than once globally.
- D. They add an additional tag to VLANs that allows up to two switch ports to use the same globally configured VLAN ID.
Answer: B
NEW QUESTION # 63
Refer to the exhibit.
If the two devices are operating normally, which two conclusions can you draw from this configuration?
(Choose two.)
- A. CE1 is supporting CSC.
- B. The PE-CE routes between the devices are being exchanged by OSPF
- C. PE1 labels the routes it learns from CE1 with the route-target 111:1 and shares them with its VPNv4 peers.
- D. PE1 labels the routes it learns from CE1 with the route-target 222:2 and shares them with its VPNv4 peers.
- E. CE1 must use OSPF to establish a neighbor relationship with PE1.
Answer: B,E
NEW QUESTION # 64
Which two BGP attributes prevent loops in a route reflector environment? (Choose two.)
- A. AS_PATH
- B. cluster ID
- C. local preference
- D. origin
- E. originator ID
Answer: B,E
Explanation:
Reference:
https://www.ciscopress.com/articles/article.asp?p=2756480&seqNum=10
NEW QUESTION # 65
Refer to the exhibit.
An engineer is implementing an MPLS P2MP TE solution. Which type of router can serve as the midpoint router and the tailend router in this P2MP TE network implementation?
- A. source
- B. transit
- C. bud
- D. headend
Answer: C
Explanation:
Reference:
https://www.cisco.com/c/en/us/td/docs/routers/asr920/configuration/guide/mpls/mp-te-path-setup-xe-3s-asr920-book/mp-te-path-setup-xe-3s-asr920-book_chapter_01.html
NEW QUESTION # 66
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