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Question 51
An engineer is implementing MPLS OAM to monitor traffic within the MPLS domain. Which action must the engineer perform to prevent packets from being forwarded beyond the service provider domain when the LSP is down?
- A: Configure a private IP address as the destination address of the headend router of Cisco MPLS TE.
- B: Disable IP redirects only on outbound interfaces.
- C: Disable IP redirects on all ingress interfaces.
- D: Implement the destination address for the LSP echo request packet in the 127.x.y.z/8 network.
Question 52
A network engineer has configured TE tunnels in the MPLS provider core. Which two steps ensure traffic traverse? (Choose two.)
- A: ECMP between tunnels allows RSVP to function correctly.
- B: The IGP metric of a tunnel is configured to prefer a certain path.
- C: A tunnel weight is configured in SPF database the same way as a native link.
- D: Static route is the only option for directing traffic into a tunnel.
- E: Forwarding adjacency feature allows a tunnel to be installed in the IGP table as a link.
Question 53
An engineer is implementing a Cisco MPLS TE tunnel to improve the streaming experience for the clients of a video-on-demand server. Which action must the engineer perform to configure extended discovery to support the MPLS LDP session between the headend and tailend routers?
- A: Configure a targeted neighbor session.
- B: Configure an access list on the interface to permit TCP and UDP traffic.
- C: Configure a Cisco MPLS TE tunnel on both ends of the session.
- D: Configure the interface bandwidth to handle TCP and UDP traffic between the LDP peers.
Question 54
What is a characteristic of prefix segment identifier?
- A: It contains the interface address of the device per each link.
- B: It contains a router to a neighbor.
- C: It is locally unique.
- D: It is globally unique.
Question 55
Which configuration modifies Local Packet Transport Services hardware policies?
A.
B.
C.
D.
Question 56
Refer to the exhibit. Router 1 and router 2 are running OSPF Area 0. The router logs on both routers show that the LDP link has flapped. Which configuration must the engineer apply to the two routers to implement session protection on the link?
- A: Router 1(config)# ip cef distributed Router 1(config)# mpls ldp session protection global Router 2(config)# ip cef distributed Router 2(config)# mpls ldp session protection global
- B: Router 1(config)# ip cef distributed Router 1(config)# interface gigabitethernet 0/0 Router 1(config-if)# ip address 192.168.1.1 255.255.255.0 Router 1(config)# mpls ldp session protection Router 2(config)# interface gigabitethernet 0/0 Router 2(config-if)# ip address 192.168.1.2 255.255.255.0 Router 2(config)# mpls ldp session protection
- C: Router 1(config)# ip cef distributed Router 1(config)# interface gigabitethernet 0/0 Router 1(config-if)# ip address 192.168.1.1 255.255.255.255 Router 1(config-if)# exit Router 1(config)# mpls ldp session protection Router 2(config)# ip cef distributed Router 2(config)# interface gigabitethernet 0/0 Router 2(config-if)# ip address 192.168.1.2 255.255.255.255 Router 2(config-if)# exit Router 2(config)# mpls ldp session protection
- D: Router 1(config)# ip cef distributed Router 1(config)# interface gigabitethernet 0/0 Router 1(config-if)# ip address 192.168.1.1 255.255.255.0 Router 1(config-if)# mpls label protocol ldp Router 1(config-if)# mpls ip Router 1(config-if)# exit Router 1(config)# mpls ldp session protection Router 2(config)# ip cef distributed Router 2(config)# interface gigabitethernet 0/0 Router 2(config-if)# ip address 192.168.1.2 255.255.255.0 Router 2(config-if)# mpls label protocol ldp Router 2(config-if)# mpls ip Router 2(config-if)# exit Router 2(config)# mpls ldp session protection
Question 57
Refer to the exhibit. A network operator working for a telecommunication company with an employee id: 1234:56:789 is implementing a Cisco Unified MPLS solution. What is the effect of this implementation?
- A: BGP is deployed between the PEs and ABRs with RFC 9107.
- B: EIGRP is deployed between the PEs and ABRs with RFC 9107.
- C: OSPF is deployed between the PEs and ABRs with RFC 3107.
- D: IS-IS is deployed between the PEs and ABRs with RFC 3107.
Question 58
A network engineer is configuring a newly installed PE router at the regional gateway location. The new PE router must use MPLS core routing protocols with the existing P router, and LDP sessions between the two routers must be protected to provide faster MPLS convergence. Which configuration must the engineer perform on the network so that LDP sessions are established?
- A: Enable RSVP-TE FRR on the LDP interface to protect the LDP session between routers.
- B: Enable communication over TCP port 646 T-LDP hello messages.
- C: Set the LDP session protection timer on each router to the same value.
- D: Enable LDP session protection on either one of the routers, which allows them to autonegotiate.
Question 59
Refer to the exhibit. If router RA is configured as shown, which IPv4 multicast address space does it use?
- A: 224.0.0.0/8
- B: 225.0.0.0/8
- C: 232.0.0.0/8
- D: 239.0.0.0/8
Question 60
DRAG DROP -
Drag and drop the functions from the left onto the correct Path Computation Element Protocol roles on the right.
Select and Place:
Question 61
Refer to the exhibit. You are configuring an administrative domain in the given multi-vendor environment with PIM-SM.
Which feature can you implement so that devices can dynamically learn the RP?
- A: BSR
- B: BIDIR-PIM
- C: Auto-RP
- D: SSM
Question 62
DRAG DROP -
Drag and drop the multicast concepts from the left onto the correct descriptions on the right.
Select and Place:
Question 63
Refer to the exhibit. Which command is used to complete this configuration for QoS class-based marking?
- A: PE-A(config-pmap-c)#set dscp ef
- B: PE-A(config-pmap-c)#priority
- C: PE-A(config-pmap-c)#random-detect
- D: PE-A(config-pmap-c)#fair-queue
Question 64
What causes multicast traffic to permanently stay on the shared tree and not switch to the source tree?
- A: SSM range is being used
- B: The RP announcements are being filtered
- C: The SPT threshold is set to infinity
- D: The RP IP address is configured incorrectly
Question 65
Which additional feature does MPLS DiffServ tunneling support?
- A: matching EXP and DSCP values
- B: PHB layer management
- C: using GRE tunnels to hide markings
- D: interaction between MPLS and IGP
Question 66
Refer to the exhibit. An engineer configured multicast routing on client's network. What is the effect of this multicast implementation?
- A: R2 is unable to share information because the ip pim autorp listener command is missing
- B: R1 floods information about R2 throughout the multicast domain
- C: R2 floods information about R1 throughout the multicast domain
- D: R2 is elected as the RP for this domain
Question 67
A network engineer is configuring a router to send multicast traffic for the 239.10.10.10 group. Which configuration must an engineer apply to the router to implement IGMP and forward the traffic?
A.
B.
C.
D.
Question 68
Refer to the exhibit. An engineer is implementing Auto-RP and reviewing the configuration of the PE-A. Which configuration permits Auto-RP messages to be forwarded over this interface?
- A: PE-A(config-if)#no ip pim bsr-border
- B: PE-A(config-if)#ip igmp version 3
- C: PE-A(config-if)#ip pim sparse-mode
- D: PE-A(config-if)#ip pim sparse-dense-mode
Question 69
Refer to the exhibit. A network operator must configure CSR1 interfaces GigabitEthernet2 and GigabitEthernet3 to rewrite VLAN tags 12 and 21 for traffic between
R1 and R2, respectively. Which configuration accomplishes this task?
A.
B.
C.
D.
Question 70
An engineer needs to implement QOS mechanism on customer's network as some applications going over the Internet are slower than others. Which two actions must the engineer perform when implementing traffic shaping on the network in order to accomplish this task? (Choose two.)
- A: Implement packet remarking for excess traffic
- B: Configure a queue with sufficient memory to buffer excess packets
- C: Implement a scheduling function to handle delayed packets
- D: Configure the token values in bytes
- E: Configure a threshold over which excess packets are discarded
Question 71
Refer to the exhibit. R101 is peering with R102 and R103, and R201 is peering with R202 and R203 using iBGP Labeled Unicast address families. The OSPF area 0 border routers are in a full iBGP Labeled Unicast mesh, and VPNv4 routes are exchanged directly between PE routers R101 and R201 through iBGP.
Which address family-level configuration must be applied on ABR R102 on ABR R102 to support a Unified MPLS routing architecture with partitioned IGP domains?
A.
B.
C.
D.
Question 72
BGP has been implemented on an IOS XR router. Which configuration sends BGP IPv4 labels to build inter-domain LSPs?
A.
B.
C.
D.
Question 73
Refer to the exhibit. Which statement describes the effect of this configuration?
- A: It matches HTTP traffic for use in a policy map.
- B: It applies a service policy to all interfaces remarking HTTP traffic.
- C: It creates an ACL named WEB that filters HTTP traffic.
- D: It modifies the default policy map to allow all HTTP traffic through the router.
Question 74
A regional MPLS VPN provider operates in two regions and wants to provide MPLS L3VPN service for a customer with two sites in these separate locations. The
VPN provider approaches another organization to provide backbone carrier services so that the provider can connect to these two locations.
Which statement about this scenario is true?
- A: When edge routers at different regional sites are connected over the global carrier backbone, MP-eBGP must run between the routers to exchange the customer VPNv4 routes.
- B: When eBGP is used for label exchange using the send-label option, MPLS-BGP forwarding is configured under the global ABC CSC PE-to-CE interface.
- C: When BGP is used for both route and label exchange, the neighbor a.b.c.d send-label command is used under the address-family VPNv4 command mode.
- D: When IGP is used for route exchange and LDP for label exchange, MPLS is enabled only on the VRF interface on the backbone-carrier PE side.
Question 75
Refer to the exhibit. A network engineer is implementing a BGP routing policy. Which effect of this configuration is true?
- A: All traffic that matches acl10 is allowed without any change to its local-preference.
- B: All traffic that matches acl10 is dropped without any change to its local-preference.
- C: If traffic matches acl10, it is allowed and its local-preference is set to 300.
- D: All traffic is assigned a local-preference of 300 regardless of its destination.
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