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

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Total 452 questions

Refer to the exhibit. The link between Office A and Office B is running at 90% load, and occasionally the CPU on router R1 is overloaded. The company implemented QoS for business-critical applications at both offices as a temporary solution. A network engineer must update the R1 configuration to 600 ms to reduce CPU load and limit downtime after connection failure to avoid data loss. Which action meets this requirement?

A.

Configure the fast-hello feature for OSPF with the command ip ospf dead-interval minimal hello-multiplier 3.

B.

Configure BFD demand mode with the command bfd-demand timer 150 interval 250 retransmit 5.

C.

Configure BFD non-echo mode with the command echo interval 250 minimal 300 echo-multiplier 2.

D.

Configure BFD echo mode with the command bfd interval 150 min_rx 200 multiplier 3.

Refer to the exhibit:

Which effect of this configuration is true?

A.

it creates a pseudowire class named Cisco

B.

It enables tagging for VLAN 12 on the interface

C.

It enables MPLS on the interface

D.

It enables AToM on interface gigabitethemet1/0

Refer to the exhibit. A network engineer wants to monitor traffic from the application server and send the output to the external monitoring device at 172.16.20.5. Application server traffic should pass through the R1 Eth2/1 interface for further analysis after it is monitored. Which configuration must be applied on the R1 router?

A.

Configure the FLOW-MONITOR-20 command.

B.

Configure the flow exporter EXPORTER-10 destination 192.168.20.4 command.

C.

Configure the ip flow monitor FLOW-MONITOR-10 input command on the Ethernet1/0 interface.

D.

Configure the ip flow monitor FLOW-MONITOR-10 output command on the Ethernet 2/1 interface.

Refer to the exhibit.

An engineer needs to implement this QoS policy on customer's network due to ongoing slow network issues. What will be the effect on the network when the engineer implements this configuration?

A.

Traffic that is identified in the ciscotest class map will be remarked from IP precedence 1 to DSCP AF11 when it enters the pos0/2/0/0 interface.

B.

Traffic that is identified in the ciscopolicy class map will be marked with IP precedence 1 when it enters the pos0/2/0/0 interface.

C.

Traffic that is identified in the ciscopolicy class map will be remarked from IP precedence 1 to DSCP AF11 when it exits the pos0/2/0/0 interface.

D.

Traffic that is identified in the ciscotest class map will be marked with IP precedence 1 when it exits the poso/2/0/0 interface.

Refer to the exhibit An engineer at ISP C is configuring a new interconnection with ISPs A and B using the BGP protocol After the initial configuration the engineer noticed high memory usage and an abnormally large LIB table on router R2 Which two actions must the engineer take on R2 to minimize memory usage? (Choose two.)

A.

Configure Extended ACL 101 with accepted prefixes.

B.

Confiure the mpls idp neighbor 11.11.11.11 labels accept1 command.

C.

Configure Standard ACL 1 with accepted prefixes.

D.

Configure the mpls idp neighbor 1.1.1.1 labels accept 101 command.

E.

Configure the mpls idp neighbor 21.21.21.21 labels accept 101 command.

Which statement about Network Services Orchestrator (NSO) is true?

A.

It is used only in service provider environments

B.

It can be used only with XML coding

C.

It uses YANG modeling language to automate devices

D.

It must use SDN as an overlay for addressing

Simulation 5

Which OoS model allows hosts to report their QoS needs to the network?

A.

DiffServ

B.

CB-WFQ

C.

IntServ

D.

MQC

An ISP Is Implementing end-to-end fault monitoring for a customer based on the IEEE 802.3ah standard. The solution must detect when 15 or more corrupted Ethernet packets arrive within 10 ms and stop propagating traffic through the ISP backbone network or to the customer side. Which configuration must the ISP engineer apply?

A.

ethernet oam link-monitoring enable

ethernet oam link-monitor crc-errors ingress time-window 10

ethernet oam link-monitor crc-errors ingress threshold high 15 ethernet oam link-monitor crc-errors egress time-window 10 ethernet oam link-monitor crc-errors egress threshold high 15 ethernet oam link-monitor high-threshold action shutdown-interface

B.

ethernet oam link-monitoring

ethernet oam link-monitor receive-crc window 15

ethernet oam link-monitor receive-crc threshold high 10

ethernet oam link-monitor high-threshold action disable-interface

C.

ethernet oam

ethernet oam link-monitor receive-crc window 10

ethernet oam link-monitor receive-crc threshold high 15

ethernet oam link-monitor transmit-crc window 10

ethernet oam link-monitor transmit-crc threshold high 15

ethernet oam link-monitor high-threshold action errordisable-interface

D.

ethernet oam link-monitoring global enable

ethernet oam link-monitor receive crc-errors period 15

ethernet oam link-monitor receive crc-errors limit 15

ethernet oam link-monitor transmit crc-errors period 10

ethernet oam link-monitor transmit crc-errors limit 15

ethernet oam link-monitor limit action error-disable interface

A network engineer has configured TE tunnels in the MPLS provider core. Which two steps ensure traffic traverse? (Choose two.)

A.

Static routes is the only option for directing traffic into a tunnel.

B.

ECMP between tunnels allows RSVP to function correctly.

C.

Forwarding adjacency features allows a tunnel to be Installed in the IGP table as a link.

D.

The IGP metric of a tunnel is configured to prefer a certain path

E.

A tunnel weight is configured in SPF database the same way as a native link.