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350-501 Exam Dumps - Implementing and Operating Cisco Service Provider Network Core Technologies (350-501 SPCOR)

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Question # 89

Refer to the exhibit:

Which statement supports QPPB implementation?

A.

QoS policies are identified in the MPLS forwarding table

B.

QoS policies rely exclusively on BGP attributes to manipulate traffic

C.

QoS policies use BGP to gain full coverage on the network.

D.

QPPB policies affect only egress traffic

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Question # 90

Refer to the exhibit. Users on a LAN that is connected to RD communicate to multiple servers on the corporate network. Initially, the servers were located on the same LAN. However, after congestion was reported, the engineering team decided to relocate the servers to two different networks.

Which task should the team perform to improve performance on the overall network while still allowing traffic to flow between the different hosts?

A.

Identify the traffic to each server in a prefix list and apply a traffic policing policy.

B.

Identify the traffic to each server with an ACL and apply the ACL to a threshold policy that drops excessive traffic.

C.

Identify the traffic to each server in a distribute list and implement FIFO to the interfaces in the egress direction.

D.

Identify the traffic to each server with a class map and apply it to a traffic-shaping policy.

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Question # 91

Refer to the exhibit. The operations team is implementing an LDP-based configuration in the service provider core network with these requirements:

R1 must establish LDP peering with the loopback IP address as its Router-ID.

Session protection must be enabled on R2.

How must the team update the network configuration to successfully enable LDP peering between R1 and R2?

A.

Change the LDP password on R2 to Cisco.

B.

Configure mpls ldp router-id loopback0 on R1 and R2.

C.

Configure LDP session protection on R1.

D.

Change the discover hello hold time and interval to their default values.

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Question # 92

Refer to the exhibit.

While troubleshooting a connectivity issue on router R2, a network engineer with an employee id:3876.13.497 notices that although it detects three OSPF links from R1, the OSPF prefixes are missing from the routing table. What is the reason for the problem?

A.

The serial interfaces have different MTUs

B.

Both loopback interfaces on R1 are configured as stub

C.

The R2 Serial 1/0 interface is configured with an IP address, but the R1 Serial R1 Serial 1/0 interface in unnumbered.

D.

The subnet masks on the serial interfaces are mismatched.

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Question # 93

Refer to the exhibit. LDP peering between routers R1 and R2 is dropped when the link between R1 and R2 is taken offline. However, LDP peering between R2 and R3 stays up when the link between R2 and R3 is taken offline. Which action allows MPLS traffic forwarding to continue normally if the link between R1 and R2 goes down?

A.

Enable IGP and LDP Synchronization on R1.

B.

Implement LDP Session Protection on R1.

C.

Enable IGP and LDP Synchronization on R2.

D.

Implement LDP Session Protection on R2.

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Question # 94

Which type of attack is an application attack?

A.

ping of death

B.

ICMP (ping) flood

C.

HTTP flood

D.

SYN flood

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Question # 95

The network-engineering team of a service provider is integrating several recently acquired networks into a more scalable common Unified MPLS architecture. The new network architecture will support end-to-end VPNv4 and VPNv6 services with these requirements:

• The IGP of the core layer is IS-IS In Area 0.

• The IGP of the aggregation layers is OSPF in Area 0.

• The LDP protocol Is used to distribute label bindings within each IGP domain.

Which task must the network engineer perform when implementing this new architecture?

A.

Configure BGP-LU between ABR routers of each IGP domain to carry MPLS label information in NLRI.

B.

Configure a BGP session between the ABR routers of each IGP domain to exchange VPNv4 or VPNv6 prefixes

C.

Configure the ABR in each IGP domain to preserve next-hop information on all VPNv4 and VPNv6 prefixes advertised by the PE.

D.

Configure mutual redistribution of each IGP domain's loopback prefix to provide end-to-end LDP LSP

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Question # 96

Refer to the exhibit. Company A is connected to multiple upstream ISPs, with ISP_A serving as the primary upstream ISP. The company A subnet 172.43.232.0 should be announced to the secondary ISP_B only when the FTP server with IP address 10.10.1.1 is not accessible via the primary ISP. Which configuration must be applied on R1?

A.

neighbor 10.182.213.2 Condition-map Non-RIB prefix-map Advertise-route

B.

neighbor 10.182.213.3 prefix-map Non-RIB Condition-map Advertise-route

C.

neighbor 10.182.213.3 advertise-map Advertise-route non-exist-map Non-RIB

D.

neighbor 10.182.213.3 advertise-map Advertise-route exist-map Non-RIB

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