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Free 350-501 Exam Braindumps
Implementing and Operating Cisco Service Provider Network Core Technologies (SPCOR) Questions 241–248 (page: 32)

Updated On: 28-Apr-2026
Page 32 of 66
PDF with 515 Questions
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Refer to the exhibit. Which statement supports QPPB implementation?

  1. QPPB policies affect only egress traffic.
  2. QoS policies rely exclusively on BGP attributes to manipulate traffic.
  3. QoS policies are identified in the MPLS forwarding table.
  4. QoS policies use BGP to gain full coverage on the network.

Answer(s): B



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Why do packet loops occur during the configuration of BIDIR-PIM?

  1. The network does not support BIDIR-PIM.
  2. The network is partially upgraded to support BIDIR-PIM.
  3. The router has not been configured to advertise itself.
  4. No interface for carrying traffic for multicast groups has been configured.

Answer(s): B


Reference:

https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst9600/software/release/16-12/ configuration_guide/ip_mcast_rtng/b_1612_ip_mcast_rtng_9600_cg/configuring_pim.html



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The engineering team at a large ISP has been alerted that a customer network is experiencing high traffic congestion. After a discussion between the ISP and technical personnel at the customer site, the team agrees that traffic to the customer network that exceeds a specific threshold will be dropped. Which task must the engineer perform on the network to implement traffic policing changes?

  1. Configure RSVP to reserve bandwidth on all interfaces when a path is congested.
  2. Enable Cisco Discovery Protocol on the interface sending the packets.
  3. Enable Cisco Express Forwarding on the interfaces sending and receiving the packets.
  4. Set IP precedence values to take effect when traffic exceeds a given threshold.

Answer(s): D



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Refer to the exhibit. A network administrator is implementing IGMP to enable multicast feed transmission to the receiver. Which configuration must the administrator deploy on GW1 to permit IGMP joins only to the assigned (S, G) feed?

  1. config t
    access-list 100 permit igmp host 0.0.0.0 host 239.10.10.10 access-list 100 deny igmp any any
    interface GigabitEthernet1
    ip igmp access-group 100
    ip igmp version 3
    end
  2. config t
    access-list 100 permit igmp host 0.0.0.0 host 239.10.10.10 access-list 100 deny igmp any any
    interface GigabitEthernet1
    ip igmp access-group 100
    ip igmp version 2
    end
  3. config t
    access-list 100 permit igmp host 0.0.0.0 host 239.10.10.10 access-list 100 permit igmp host 172.20.20.3 host 239.10.10.10 access-list 100 deny igmp any any
    interface GigabitEthernet1
    ip igmp access-group 100
    ip igmp version 3
    end
  4. config t
    access-list 100 permit igmp host 0.0.0.0 host 239.10.10.10 access-list 100 permit igmp host 172.20.20.3 host 239.10.10.10 access-list 100 deny igmp any any
    interface GigabitEthernet1
    ip igmp access-group 100
    ip igmp version 2
    end

Answer(s): C



View Related Case Study

A network engineer is implementing a QoS policy for outbound management traffic classification and marking on a CPE device with these requirements:

Management protocols must be marked with DSCP AF class 2 with low drop probability.

Monitoring protocols must be marked with DSCP AF class 1 with low drop probability.

All remaining traffic must be marked with a DSCP value of 0.

Which configuration must the engineer implement to satisfy the requirements?

  1. policy-map cpe-mgmt-policy
    class management
    set ip dscp af21
    class monitoring
    set ip dscp af11
    class class-default
    set ip dscp default
    end
  2. policy-map cpe-mgmt-policy
    class management
    set ip dscp af21
    class monitoring
    set ip dscp af11
    class class-default
    set ip dscp af0
    end
  3. policy-map cpe-mgmt-policy
    class management
    set ip dscp af23
    class monitoring
    set ip dscp af13
    class class-default
    set ip dscp default
    end
  4. policy-map cpe-mgmt-policy
    class management
    set ip dscp af23
    class monitoring
    set ip dscp af13
    class class-default
    set ip dscp af0
    end

Answer(s): A



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What occurs when a high bandwidth multicast stream is sent over an MVPN using Cisco hardware?

  1. The traffic uses the default MDT to transmit the data only if it is a (S, G) multicast route entry.
  2. A data MDT is created to if it is a (*, G) multicast route entries.
  3. A data and default MDT are created to flood the multicast stream out of all PIM-SM neighbors.
  4. A data MDT is created to allow for the best transmission through the core for (S, G) multicast route entries.

Answer(s): D



View Related Case Study

An engineer is implementing IGMP with SSM on a multicampus network that supports video streaming. Which task must the engineer perform as part of the process?

  1. Configure an RP that uses static assignments only.
  2. Configure the network to use the PIM bsr-candidate.
  3. Configure the network to use bidirectional PIM.
  4. Configure the network to use IGMPv3.

Answer(s): D



View Related Case Study

An engineer must extend Layer 2 between two campus sites connected through an MPLS backbone that encapsulates Layer 2 and Layer 3 data. Which action must the engineer perform on the routers to accomplish this task?

  1. Configure QoS for MPLS and E-ACCESS.
  2. Configure a EtherChannel for E-LAN.
  3. Configure a pseudowire for E-LINE.
  4. Configure Cisco MPLS TE for use with E-TREE.

Answer(s): C



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