Cisco 350-501 Exam Questions
Implementing and Operating Cisco Service Provider Network Core Technologies (SPCOR) (Page 5 )

Updated On: 30-May-2026
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An engineer working for telecommunication company needs to secure the LAN network using a prefix list.

Which best practice should the engineer follow when he implements a prefix list?

  1. An engineer must identify the prefix list with a number only.
  2. The final entry in a prefix list must be /32.
  3. An engineer must include only the prefixes for which he needs to log activity.
  4. An engineer must use nonsequential sequence numbers in the prefix list so that he can insert additional entries later.

Answer(s): D



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Refer to the exhibit. Which effect of this configuration is true?

  1. It enables MPLS on the interface.
  2. It creates a pseudowire class named cisco.
  3. It enables AToM on interface gigabitethernet1/0.
  4. It enables tagging for VLAN 12 on the interface.

Answer(s): C


Reference:

https://community.cisco.com/t5/service-providers-documents/configuration-example-atom-any- transport-over-mpls-for-like-to/ta-p/3144810



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Refer to the exhibit. Which three outcomes occur if the prefix list is added to the neighbor? (Choose three.)

  1. 192.168.0.0/16 is denied.
  2. 192.168.0.0/16 is permitted.
  3. 192.168.0.0/19 is permitted
  4. 192.168.0.0/19 is denied.
  5. 192.168.0.0/17 is permitted
  6. 192.168.0.0/17 is denied.

Answer(s): A,C,E



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DRAG DROP (Drag and Drop is not supported)

Drag and drop the descriptions from the left onto the corresponding OS types on the right.

Select and Place:

  1. See Explanation section for answer.

Answer(s): A

Explanation:



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What does DWDM use to combine multiple optical signals?

  1. IP protocols
  2. wavelength
  3. time slots
  4. frequency

Answer(s): B



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Refer to the exhibit. A network operator recently configured BGP FlowSpec for the internal IT network. What will be inferred from the configuration deployed on the network?

  1. The policy is configured locally on CSR1 and drops all traffic for TCP ports 80 and 443
  2. The policy is configured locally on CSR1 and currently has no active traffic
  3. The policy is learned via BGP FlowSpec and drops all traffic for TCP ports 80 and 443
  4. The policy is learned via BGP FlowSpec and has active traffic

Answer(s): D



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Refer to the exhibit. Which type of DDoS attack will be mitigated by this configuration?

  1. teardrop attack
  2. smurf attack
  3. SYN flood
  4. SIP INVITE flood attacks

Answer(s): B



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Refer to the exhibit. While troubleshooting the network, a network operator with an employee id: 1234:55:678 is trying to ping XR1. Which result should the operator expect when trying to ping to an XR1 local address?

  1. AII ICMP traffic is dropped
  2. AII ICMP traffic responds successfully
  3. ICMP traffic works at a policed rate of 19 bytes per second every 100 ms
  4. ICMP traffic works at a policed rate of 19 packets every 100 ms

Answer(s): A



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