Cisco 350-501 Exam Questions
Implementing and Operating Cisco Service Provider Network Core Technologies (SPCOR) (Page 8 )

Updated On: 30-May-2026
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Which Cisco Software OS uses microkernel architecture?

  1. IOS 12.2
  2. IOS
  3. IOS 15.1
  4. IOS XR

Answer(s): D

Explanation:

Cisco IOS XR is built on a microkernel architecture that separates system processes into protected memory spaces, enabling high availability, fault isolation, modularity, and in-service software upgrades without affecting the entire system.



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Which three OSPF parameters must match before two devices can establish an OSPF adjacency? (Choose three.)

  1. IP address
  2. subnet mask
  3. interface cost
  4. process ID
  5. area number
  6. hello timer setting

Answer(s): B,E,F



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Refer to the exhibit. Which condition must be met by the OSPF peer of router R1 before the two devices can establish communication?

  1. The OSPF peer must use clear-text authentication.
  2. The OSPF peer must be configured as an OSPF stub router.
  3. The interface on the OSPF peer may have a different key ID, but it must use the same key value as the configured interface.
  4. The interface on the OSPF peer must use the same key ID and key value as the configured interface.

Answer(s): D


Reference:

https://networklessons.com/ospf/how-to-configure-ospf-md5-authentication



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DRAG DROP (Drag and Drop is not supported)

Drag and drop the OSPF area types from the left onto the correct statements on the right.

Select and Place:

  1. See Explanation section for answer.

Answer(s): A

Explanation:



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Refer to the exhibit. Which statement about the neighbor statements for 192.168.1.1 is true?

  1. The router sends BGP labels for its prefixes to this peer.
  2. The router must have TDP configured for the send-label command to operate.
  3. The neighbor router receives at least four labels from this router.
  4. The router sends only a label for the prefix for Loopback0.

Answer(s): A



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Refer to the exhibit. Which statement about the status of the neighbor relationship between R1 and R2 is true?

  1. The neighbor relationship is down because the two routers are configured with different area types.
  2. The neighbor relationship is down because the two routers are in the same subnet.
  3. The neighbor relationship is up because R2 is level 1 and Ievel 2 router.
  4. The neighbor relationship is down because R2 is operating as a Level 1 router and the two routers are in different areas.

Answer(s): D



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Refer to the exhibit. Which configuration prevents the OSPF neighbor from establishing?

  1. default-metric
  2. duplex
  3. network statement
  4. mtu

Answer(s): D



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Refer to the exhibit. R1 and R2 are directly connected with Fast Ethernet interfaces and have the above configuration applied OSPF adjacency is not formed. When the debug ip ospf hello command is issued on R1, these log messages are seen:



Which command can be configured on routers R1 and R2 on f0/0 interfaces to form OSPF adjacency?

  1. ip ospf network point-to-multipoint non-broadcast
  2. ip ospf network non-broadcast
  3. ip ospf network broadcast
  4. ip ospf network point-to-point

Answer(s): D


Reference:

https://community.cisco.com/t5/routing/ospf-point-to-point-links/td-p/1913398



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