Cisco CCNP Service Provider 350-501 Questions & Answers

• Question 221:

  A layer 2 aggregation deployed via IEEE 802.1D has many nodes on a single link A DHCP version 6 server cannot recognize how the clients are attached to a network, Which solution provides a client identification to the DHCPv6 in this scenario?

  A. LDRA

  B. DHCPv6 relay agent

  C. DHCP snooping

  D. Broadband Forum Trunk N:1

  Correct Answer: A

• Question 222:

  Which open source cloud computing platform uses the neutron project as a networking as a service between devices like cisco nexus, cisco APIC cisco CSR 1000v and cisco UCS?

  A. Ansible

  B. Openstack

  C. Cisco UCS director

  D. Opendaylight

  Correct Answer: B

• Question 223:

  A network engineer has a requirement to configure IP flow exporting using standard protocols on a cisco IOS XE device. Which configuration achieves this goal?

  A. flow exporter EXPORTER destination 10.1.1.1 export-protocol version 9 transport udp 90

  B. flow exporter EXPORTER destination 10.1.1.1 source Loopback 0 transport udp 90

  C. flow exporter EXPORTER destination 10.1.1.1 source Loopback 0 transport udp 90 version ipfix

  D. flow exporter EXPORTER destination 10.1.1.1 export-protocol ipfix transport udp 90

  Correct Answer: D

• Question 224:

  A backbone carrier is approached by an ISP_A which provides L3VPN services. The ISP_A requires MPLS VPN services from the backbone carrier to establish connectivity between the two POPs of the ISP_A. Which label protocol should the backbone carrier use to provide the proper connectivity that the ISP_A requires?

  A. L2TPv3

  B. L2TPv2

  C. LDP

  D. GRE

  E. mGRE

  F. BGP

  Correct Answer: A

• Question 225:

  Which protocol functions as the transfer protocol between the Cisco Open SDN Controller and forwarding devices?

  A. OSPF or IS-IS

  B. BGP-LS

  C. OpenFlow

  D. PCEP

  Correct Answer: C

• Question 226:

  Refer to the exhibit.

  In regard to the traffic that is flowing from CE1 in the direction of CE2, what is the label stack in the packets that are leaving R6?

  A. {16}

  B. {16 25}

  C. {25}

  D. {0 25}

  Correct Answer: D

• Question 227:

  Which three configuration sections are required on service provider PE router to enable IPv4 layer 3 VPN? (Choose three)

  A. Configure route targets that are used for importing and exporting customer VRF routes.

  B. Configure route distinguisher that is used for importing and exporting customer VRF routes.

  C. Implement MPLS for all customer-facing links.

  D. Configure the VPNv4 address-family under the MP-BGP configuration mode on the PE routers that participate in the customer VRF routing.

  E. Configure at least one interface that is assigned to a customer link as a member of the VRF

  F. Advertise customer route to all PE router by configure the IPv4 address-family under the MP-BGP configuration mode.

  Correct Answer: ADE

• Question 228:

  A NOC engineer is troubleshooting an issue on a customer's server that is connected to a switch port in the data center. The engineer has a packet analyzer that is connected to a test port in the NOC. A core network exists between the NOC and the data center

  Which two configuration steps should the NOC engineer apply for the port in the NOC and the customer's switch port in the data center? (Choose Two)

  A. Configure ERSPAN between the NOC test port and customer's switch port

  B. Enable an MPLS pseusdowire that is destined to the NOC and used by the mirrored customer traffic to cross network

  C. Enable GRE encapsulation that is destined to the NOC and supply by the mirrored customer traffic to cross the network

  D. Enable an MPLS TE tunnel that is destined to the NOC and used by the mirrored customer traffic to cross the core network

  E. Configure RSPAN between the NOC test port and customer's switch port

  Correct Answer: AC

• Question 229:

  In a L2VPN service, customer CE sends frames to PE1 using a CoS making value of 3. However , the remote CE receives those frames from PE2 with a CoS marking value of 0. Which description of this behavior is true?

  A. Egress PE2 is not configured with an outbound policy-map facing CE2 to preserve CoS marking

  B. Egress PE2 is marking EXP 0 upon label imposition

  C. Egress PE2 is not configured with mpls Ldp explicit-null command

  D. Ingress PE1 is remarking the CoS frame received from CE1 with valuye of 0

  Correct Answer: D

• Question 230:

  Which two restrictions of the trunk EFP are true? (Choose two)

  A. A bridge-domain number that is part of trunk EFP configuration can be shared only by other EFP if under the same port or interface

  B. Features about encapsulations specification are not supported

  C. Only one trunk port EFP can be configured under one port or interface

  D. Features that requires VLAN-specific values must be removed form the EFP trunk to from individual EFPs

  E. It supports only static EFPs that are user-configurable

  Correct Answer: CD