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Free Cisco 350-501 SPCOR Practice Questions 2026 Part3

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Question #1
Refer to the exhibit. A network engineer is implementing an OSPF configuration. Based on the output, which statement is true?
A. OSPFv3 does not run for IPv4 on FastEthernet0/0 until IPv6 routing is enabled on the router and IPv6 is enabled on interface FastEthernet0/0
B. In the ospfv3 1 area 1 ipv4 command, area 0 must be configured instead of area 1
C. OSPFv3 cannot be configured for IPv4; OSPFv3 works only for IPv6
D. "IPv6 routing not enabled" is just an informational message and OSPFv3 runs for IPv4 on interface FastEthernet0/0 anyway
View answer
Correct Answer: A

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Question #2
What are two factors to consider when implementing NSR High Availability on an MPLS PE router? (Choose two.)
A. It requires all PE-CE sessions to support NSR
B. It requires routing protocol extensions
C. It consumes more memory and CPU resources than NSF
D. It operates normally without NSR support on the PE peers
E. It cannot sync state information across redundant RPs
View answer
Correct Answer: CD
Question #3
Refer to the exhibit. While troubleshooting the OSPF adjacency between routers R1 and R2, an engineer noticed that both routers are stuck in the EXCHANGE/EXSTART state. What should the engineer fix to solve the ongoing issue?
A. match OSPF network types
B. match IPv4 addresses
C. match MTU values
D. match OSPF areas
View answer
Correct Answer: C
Question #4
Refer to the exhibit. A network engineer is implementing an OSPF configuration. Based on the output, which statement is true?
A. OSPFv3 does not run for IPv4 on FastEthernet0/0 until IPv6 routing is enabled on the router and IPv6 is enabled on interface FastEthernet0/0
B. In the ospfv3 1 area 1 ipv4 command, area 0 must be configured instead of area 1
C. OSPFv3 cannot be configured for IPv4; OSPFv3 works only for IPv6
D. "IPv6 routing not enabled" is just an informational message and OSPFv3 runs for IPv4 on interface FastEthernet0/0 anyway
View answer
Correct Answer: A
Question #5
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?
A. AII ICMP traffic is dropped
B. AII ICMP traffic responds successfully
C. ICMP traffic works at a policed rate of 19 bytes per second every 100 ms
D. ICMP traffic works at a policed rate of 19 packets every 100 ms
View answer
Correct Answer: A
Question #6
Refer to the exhibit. An engineer wants to authenticate the OSPF neighbor between PE-A and PE-B using MD5.Which command on PE-B successfully completes the configuration?
A. PE-B(config-if)#ip ospf message-digest-key 1 md5 44578611PE-B(config-if)#ip ospf authentication null
B. PE-B(config-if)#ip ospf message-digest-key 1 md5 44578611PE-B(config-if)#ip ospf authentication key-chain 44578611
C. PE-B(config-if)#ip ospf message-digest-key 1 md5 44568611PE-B(config-if)#ip ospf authentication nullPE-B(config-if)#ip ospf message-digest-key 1 md5 44578611
D. PE-B(config-if)#ip ospf authentication message-digest
View answer
Correct Answer: D
Question #7
A network engineer must enable the helper router to terminate the OSPF graceful restart process if it detects any changes in the LSA.Which command enables this feature?
A. nsf ietf helper disable
B. nsf cisco helper disable
C. nsf ietf helper strict-lsa-checking
D. nsf cisco enforce global
View answer
Correct Answer: C
Question #8
You are configuring MPLS traffic-engineering tunnels in the core. Which two ways exist for the tunnel path across the core? (Choose two.)
A. he dynamic path option is supported only with IS-IS
B. unnels can be configured with dynamic path or explicitly defined path
C. zero bandwidth tunnel is not a valid option
D. he bandwidth statement creates a ג€hardג€ reservation on the link
E. unnel links inherit IGP metrics by default unless overridden
View answer
Correct Answer: BE
Question #9
What is a characteristic of MVPN?
A. t uses pseudowires to route unicast and broadcast traffic over either a service provider MPLS or IP core
B. t bypasses the use of MPLS in the service provider core and transmits packets using IP only
C. t allows VRF traffic to use the service provider MPLS VPN to route multicast traffic
D. t creates GRE tunnels to route multicast traffic over a service provider IP core
View answer
Correct Answer: C
Question #10
An engineer implemented LDP protocol on the ISP network. The engineer must ensure that there are no packet loss issues when IGP and LDP protocols are not synchronized. Which configuring must the engineer implement so that the IGP routing protocol will wait until LDP convergence is completed?
A. Disable IP CEF routers running LDP and enable LDP protocol
B. Configure MPLS LDP IGP synchronization on the network
C. Configure LDP sessions protection on the network
D. Disable MPLS LDP IGP synchronization on the network
E. Reveal Answer
View answer
Correct Answer: B
Question #11
Refer to the exhibit. While troubleshooting the OSPF adjacency between routers R1 and R2, an engineer noticed that both routers are stuck in the EXCHANGE/EXSTART state. What should the engineer fix to solve the ongoing issue?
A. match OSPF network types
B. match IPv4 addresses
C. match MTU values
D. match OSPF areas
View answer
Correct Answer: C
Question #12
Refer to the exhibit. While troubleshooting the OSPF adjacency between routers R1 and R2, an engineer noticed that both routers are stuck in the EXCHANGE/EXSTART state. What should the engineer fix to solve the ongoing issue?
A. match OSPF network types
B. match IPv4 addresses
C. match MTU values
D. match OSPF areas
View answer
Correct Answer: C
Question #13
Refer to the exhibit:http://www.justcerts.comP-Which condition must be met by the OSPF peer of router R1 before the two devices can establish communication?
A. he interface on the OSPF peer must use the same key ID and key value as the configured interface
B. he interface on the OSPF peer may have a different key ID, but it must use the same key value as the configured interface
C. he OSPF peer must be configured as an OSPF stub router
D. he OSPF peer must use clear-text authentication
View answer
Correct Answer: A
Question #14
Refer to the exhibit. While troubleshooting the OSPF adjacency between routers R1 and R2, an engineer noticed that both routers are stuck in the EXCHANGE/EXSTART state. What should the engineer fix to solve the ongoing issue?
A. match OSPF network types
B. match IPv4 addresses
C. match MTU values
D. match OSPF areas
View answer
Correct Answer: C
Question #15
A network engineer must enable the helper router to terminate the OSPF graceful restart process if it detects any changes in the LSA.Which command enables this feature?
A. nsf ietf helper disable
B. nsf cisco helper disable
C. nsf ietf helper strict-lsa-checking
D. nsf cisco enforce global
View answer
Correct Answer: C
Question #16
Which two IS - IS parameters must match before two level 2 peers will form an adjacency? (Choose two.)
A. authentication settings
B. area ID
C. system ID
D. MTU
E. hello timer setting
View answer
Correct Answer: AD
Question #17
Which task must be performed first to Implement BFD in an IS-IS environment?
A. isable Cisco Express Forward
B. onfigure BFD under the IS-IS process
C. onfigure all ISIS routers as Level 2 devices
D. onfigure BFD in an interface configuration mode
View answer
Correct Answer: D
Question #18
Refer to the exhibit. Which three outcomes occur if the prefix list is added to the neighbor? (Choose three.)
A. 192
B. 192
C. 192
D. 192
E. 192
F. 192
View answer
Correct Answer: ACE
Question #19
Refer to the exhibit. While troubleshooting the OSPF adjacency between routers R1 and R2, an engineer noticed that both routers are stuck in the EXCHANGE/EXSTART state. What should the engineer fix to solve the ongoing issue?
A. match OSPF network types
B. match IPv4 addresses
C. match MTU values
D. match OSPF areas
View answer
Correct Answer: C
Question #20
Refer to the exhibit. P3 and PE4 are at the edge of the service provider core and serve as ABR routers.Aggregation areas are on either side of the core.Which statement about the architecture is true?
A. To support seamless MPLS, the BGP route reflector feature must be disabled
B. If each area is running its own IGP, BGP must provide an end-to-end MPLS LSP
C. If each area is running its own IGP, the ABR routers must redistribute the IGP routing table into BGP
D. To support seamless MPLS, TDP must be used as the label protocol
View answer
Correct Answer: B
Question #21
A network engineer must enable the helper router to terminate the OSPF graceful restart process if it detects any changes in the LSA.Which command enables this feature?
A. nsf ietf helper disable
B. nsf cisco helper disable
C. nsf ietf helper strict-lsa-checking
D. nsf cisco enforce global
View answer
Correct Answer: C
Question #22
Refer to the exhibit. A network engineer is implementing an OSPF configuration. Based on the output, which statement is true?
A. OSPFv3 does not run for IPv4 on FastEthernet0/0 until IPv6 routing is enabled on the router and IPv6 is enabled on interface FastEthernet0/0
B. In the ospfv3 1 area 1 ipv4 command, area 0 must be configured instead of area 1
C. OSPFv3 cannot be configured for IPv4; OSPFv3 works only for IPv6
D. "IPv6 routing not enabled" is just an informational message and OSPFv3 runs for IPv4 on interface FastEthernet0/0 anyway
View answer
Correct Answer: A
Question #23
Refer to the exhibit. An engineer is preparing to implement link aggregation configuration.Which statement about this configuration is true?
A. The switch port negotiates an EtherChannel if it receives LACP packets from a connected peer running passive mode
B. The switch port actively sends packets to negotiate an EtherChannel using PAgP
C. The switch port passively negotiates an EtherChannel if it receives PAgP packets from a connected peer
D. The switch port accepts LACP and PAgP packets from a connected peer and negotiate an EtherChannel using the common EtherChannel mode
View answer
Correct Answer: B
Question #24
A network engineer must enable the helper router to terminate the OSPF graceful restart process if it detects any changes in the LSA.Which command enables this feature?
A. nsf ietf helper disable
B. nsf cisco helper disable
C. nsf ietf helper strict-lsa-checking
D. nsf cisco enforce global
View answer
Correct Answer: C
Question #25
You are configuring MPLS traffic-engineering tunnels in the core. Which two ways exist for the tunnel path across the core? (Choose two.)
A. The dynamic path option is supported only with IS-IS
B. Tunnels can be configured with dynamic path or explicitly defined path
C. A zero bandwidth tunnel is not a valid option
D. The bandwidth statement creates a "hard" reservation on the link
E. Tunnel links inherit IGP metrics by default unless overridden
View answer
Correct Answer: BE
Question #26
A company needs to improve the use of the network resources that is used to deploy internet access service to customers on separate backbone and internet access network. Which two major design models should be used to configure MPLS L3VPNs and internet service in the same MPLS backbone? (Choose two.)
A. carriage of full Internet routes in a VPN
B. Internet routing through global routing on a PE router
C. Internet access routing as another VPN in the ISP network
D. Internet access through leaking of Internet routes from the global table into the L3VPN VRF
E. Internet access for global routing via a separate interface in a VRF
View answer
Correct Answer: CE
Question #27
What are two factors to consider when implementing NSR High Availability on an MPLS PE router? (Choose two.)
A. It requires all PE-CE sessions to support NSR
B. It requires routing protocol extensions
C. It consumes more memory and CPU resources than NSF
D. It operates normally without NSR support on the PE peers
E. It cannot sync state information across redundant RPs
View answer
Correct Answer: CD
Question #28
An engineer must implement QoS to prioritize traffic that requires better service throughout the network. The engineer started by configuring a class map to identify the high-priority traffic. Which additional tasks must the engineer perform to implement the new QoS policy?
A. Attach the class map to a policy map that sets the minimum bandwidth allocated to the classified traffic and designates the action to be taken on the traffic
B. Attach the class map to a policy map that designates the action to be taken on the classified traffic and then attach the policy map to an interface using a service policy
C. Attach the class map to a policy map within a VRF to segregate the high-priority traffic and then attach the policy map to an interface in another VRF
D. Create a route map to manipulate the routes that are entered into the routing table and then attach the route map to an interface using a service policy
E. Reveal Answer
View answer
Correct Answer: B
Question #29
Which configuration mode do you use to apply the mpls Idp graceful-restart command in IOS XE Software? MPLS
A. PLS
B. DP neighbor
C. lobal
D. nterface
View answer
Correct Answer: C
Question #30
Which component is similar to an EVPN instance?
A. router distinguisher
B. MPLS label
C. IGP router ID
D. VRF
View answer
Correct Answer: D
Question #31
Which two tasks must you perform when you implement LDP NSF on your network? (Choose two.)
A. Enable NSF for BGP
B. Implement direct connections for LDP peers
C. Enable NSF for EIGRP
D. Disable Cisco Express Forwarding
E. Enable NSF for the link-state routing protocol that is in use on the network
View answer
Correct Answer: AE
Question #32
Why do Cisco MPLS TE tunnels require a link-state routing protocol?
A. The link-state database provides segmentation by area, which improves the path-selection process
B. The link-state database provides a data repository from which the tunnel endpoints can dynamically select a source ID
C. Link-state routing protocols use SPF calculations that the tunnel endpoints leverage to implement the tunnel
D. The tunnel endpoints use the link-state database to evaluate the entire topology and determine the best path
View answer
Correct Answer: D
Question #33
Which statement about Network Services Orchestrator (NSO) is true?
A. t is used only in service provider environments
B. t can be used only with XML coding
C. t uses YANG modeling language to automate devices
D. t must use SDN as an overlay for addressing
View answer
Correct Answer: C
Question #34
Which statement about the Cisco MPLS TE forwarding adjacency feature is true?
A. t enables the MPLS core to use EIGRP as the routing protocol
B. t enables the Cisco MPLS TE tunnel to be advertised into the running IGP
C. t enables the tailend router to advertise routes to the headend router over the tunnel
D. t enables the headend and tailend routers to establish a bidirectional tunnel
View answer
Correct Answer: B
Question #35
Which statement about the Cisco MPLS TE forwarding adjacency feature is true?
A. It enables the MPLS core to use EIGRP as the routing protocol
B. It enables the Cisco MPLS TE tunnel to be advertised into the running IGP
C. It enables the tailend router to advertise routes to the headend router over the tunnel
D. It enables the headend and tailend routers to establish a bidirectional tunnel
View answer
Correct Answer: B
Question #36
Which statement describes the advantage of a Multi-Layer control plane?
A. It provides multivendor configuration capabilities for Layer 3 to Layer 1
B. It automatically provisions, monitors, and manages traffic across Layer 0 to Layer 3
C. It supports dynamic wavelength restoration in Layer 0
D. It minimizes human error configuring converged networks
View answer
Correct Answer: C
Question #37
Refer to the exhibit. A network engineer is configuring customer edge routers to finalize a L2VPN over MPLS deployment. Assume that the AToM L2VPN service that connects the two CEs is configured correctly on the service provider network.Which action causes the solution to fail?
A. OSPF does not work with L2VPN services
B. The routing protocol network types are not compatible
C. A loopback with a /32 IP address has not been used
D. The xconnect statement has not been defined
View answer
Correct Answer: B
Question #38
What is a primary benefit of IPoATM or MPLS over ATM backbone service provider networks?
A. dedicated circuits
B. variable-length packets
C. isochronous system
D. fixed-length cells
View answer
Correct Answer: B
Question #39
What do ansible and saltstack have in common?
A. They both use DSL configuration language
B. They both use YAML configuration language
C. They both have agents running on the client machine
D. They both can be designed with more than one master server
View answer
Correct Answer: B
Question #40
Refer to the exhibits. R1 and R2 are directly connected and IS-IS routing has been enabled between R1 and R2. R1 generates the above log message periodically.Based on this output, which statement is true?
A. IS-IS neighbor authentication is failing for Level 2 PDUs only
B. IS-IS neighbor authentication is failing for Level 2 first and then for Level 1 PDUs
C. IS-IS neighbor authentication is failing for Level 1 and Level 2 PDUs
D. IS-IS neighbor authentication is failing for Level 1 PDUs only
View answer
Correct Answer: D
Question #41
Refer to the exhibit. A network operator working for a private telecommunication company with an employee id: 7138: 13:414 just added new users to the network, which resides in VLANs connected to routers R1 and R4. The engineer now must configure the network so that routers R1 and R4 share routes to the VLANs, but routers R2 and R3 are prevented from including the routes in their routing tables. Which configuration must the engineer apply to R4 to begin implementing the request?
A. seudowire-class ciscotestencapsulation mplsservice-policy output ciscotest
B. seudowire -class ciscotestencapsulation mplsinterface gigabitethernet 1/0/1connect neighbor 192
C. seudowire -class ciscotestencapsulation mplsinterface gigabitethernet 1/0/1xconnect 192
D. nterface serial 2/0/0frame-relay encapsulationip address 192
View answer
Correct Answer: C
Question #42
You are testing the capabilities of MPLS OAM ping.Which statement is true?
A. MPLS OAM ping works solely with Cisco MPLS TE
B. MPLS OAM ping works solely with P2P LSPs
C. An LSP breakage results in the ingress MPLS router never receiving any reply
D. An LSP is not required for the reply to reach the ingress MPLS router
E. Reveal Answer
View answer
Correct Answer: D
Question #43
An engineer working for telecommunication company with an employee id: 3715 15 021 needs to secure the LAN networkusing a prefix list Which best practice should the engineer follow when he implements a prefix list?http://www.justcerts.comP-
A. n engineer must use non sequential sequence numbers in the prefix list so that he can insert additional entries later
B. he final entry in a prefix list must be /32
C. n engineer must identity the prefix list with a number only
D. n engineer must include only the prefixes for which he needs to log activity
View answer
Correct Answer: A
Question #44
Refer to the exhibit. A network operator needs to shut down interface Gi0/0/0/2 for maintenance. What occurs to the interface states of Gi0/0/0/0 and Gi0/0/0/1?
A. Gi0/0/0/1 and Gi0/0/0/0 become active
B. Gi0/0/0/1 and Gi0/0/0/0 remain standby
C. Gi0/0/0/0 becomes active; Gi0/0/0/1 remains standby
D. Gi0/0/0/1 becomes active; Gi0/0/0/0 remains standby
View answer
Correct Answer: D
Question #45
Refer to the exhibit:A network operator working for service provider with an employee id 3715 15:021 applied this configuration to a router.Which additional step should the engineer use to enable LDP?
A. isable Cisco Express Forwarding globally
B. elete the static router ID
C. nable MPLS LDP on the interface
D. onfigure the both keyword to enable LDP globally http://www
View answer
Correct Answer: C
Question #46
What is a characteristics of the Pipe model for MPLS QoS?
A. The same QoS policy is applied to all customer traffic on the egress PE
B. If the outer EXP is changed, it is copied to the DSCP value
C. The MPLS EXP bits are set by the CE
D. The DSCP value determines how the packet is forwarded
View answer
Correct Answer: A
Question #47
Refer to the exhibit. Which effect of this configuration is true?
A. t enables AToM on interface gigabitethemet1/0
B. t enables tagging for VLAN 12 on the interface
C. t enables MPLS on the interface
D. t creates a pseudo wire class named Cisco
View answer
Correct Answer: A

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