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

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Sample Question 4

Which two routing protocols support Cisco MPLS TE tunnels? (Choose two.)

A. IS-IS
B. RIP
C. BGP
D. OSPF
E. EIGRP

Sample Question 5

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

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

Sample Question 6

What are the two uses of the YANG data modeling language? (Choose two.)

A. It is used to access a device by HTTP.
B. It Is used to model the configuration used by NETCONF operations.
C. It is used to shape state data of network elements.
D. It Is used to replace RESTCONF as a mechanism to install and manipulateconfiguration.
E. It is used to replace the OSI model for troubleshooting.

Sample Question 7

A network architect décides to expand the scope of the multicast deployment within thecompany network the network is already using PlM-SM with a static RP that supports ahigh-bandwidth. video-based training application that s heavily used by the employees, butexcessive bandwidth usage is a concern How must the engineer update the network toprovide a more efficient multicast implementation'?

A. Configure IGMP to manage the multicast hosts on each LAN
B. implement BSR to support dynamic RP notification.
C. Deploy ICMP to Improve multicast reachability across the network using static RP.
D. Implement STP to improve switching performance for multicast data.

Sample Question 8

Which action does the ingress VTEP perform on traffic between EVPN VXLAN overlays?

A. routing and tunneling when doing symmetric IRB
B. routing when doing asymmetric IRB
C. routing and bridging when doing asymmetric IRB
D. bridging when doing symmetric IRB

Sample Question 9

A network operator working for a telecommunication company with an employee Id: 406596080 it trying to implement BFD configuration on an existing network of Cisco devicesWhich task must the engineer perform to enable BFD on the interfaces?

A. Disable Cisco Express Forwarding on the interfaces
B. Disable SSO on the interfaces
C. Remove any static routes that point to the interfaces
D. Remove the log option from any ACLs on the interfaces.

Sample Question 10

After a series of unexpected device failures on the network. a Cisco engineer is deployingNSF on the network devices so that packets continue to be forwarded during switchoversThe network devices reside in the same holding, but they are physically separated into twodifferent data centers Which task must the engineer perform as part of the deployment?

A. implement OSPF to maintain the link-state database during failover.
B. implement VRFs ana specify the forwarding instances that must remain active duringfailover.
C. implement an L2VPN with the failover peer to share state Information between theactive and standby devices.
D. implement Cisco Express Forwarding to provide forwarding during failover

Sample Question 11

A network administrator is planning a new network with a segment-routing architectureusing a distributed control plane. How is routing information distributed on such a network?

A. Each segment is signalled by an SR controller, but each segment makes Its ownsteering decisions based on SR policy.
B. Each segment is signalled by MPLS, and each segment makes steering decisionsbased on the routing policy pushed by BGP.
C. Each segment is signalled by an SR controller that makes the steering decisions foreach node.
D. Each segment is signalled by a compatible routing protocol and each segment makes itsown steering decisions based on SR policy.

Sample Question 12

Which feature describes the adjacency SID?

A. It applies only to point-to-point links.
B. It applies only to multipoint links
C. It is locally unique
D. It is globally unique.

Sample Question 13

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?

A. Configure the network to use IGMPv3.
B. Configure the network to use bidirectional PIM.
C. Configure an RP that uses static assignments only.
D. Configure the network to use the PIM bsr-candidate

Sample Question 14

The network-engineering team of a service provider is integrating several recently acquired networks into a more scalable common Unified MPLS architecture. The new networkarchitecture will support end-to-end VPNv4 and VPNv6 services with these requirements: • The IGP of the core layer is IS-IS In Area 0.• The IGP of the aggregation layers is OSPF in Area 0.• The LDP protocol Is used to distribute label bindings within each IGP domain.Which task must the network engineer perform when implementing this new architecture?

A. Configure BGP-LU between ABR routers of each IGP domain to carry MPLS label information in NLRI.
B. Configure a BGP session between the ABR routers of each IGP domain to exchange VPNv4 or VPNv6 prefixes
C. Configure the ABR in each IGP domain to preserve next-hop information on all VPNv4 and VPNv6 prefixes advertised by the PE.
D. Configure mutual redistribution of each IGP domain's loopback prefix to provide end-toend LDP LSP

Sample Question 15

Which module refers to the network automation using Ansible?

A. the iosxr_system module to collect facts from remote devices
B. the iosxr_user module to manage banners for users in the local database
C. the losxr_logging module to run debugging for seventy levels 2 to 5
D. the iosxr_command module to issue run commands on remote devices

Sample Question 16

An engineer working for a private service provider with employee id: 3994 37 650 is configuring a Cisco device to redistribute OSPF into BGP. Which task enables the deviceto filter routes?

A. Configure a distribute list and associate it to the BGP peer interface
B. Configure a prefix list and associate it to the BGP peer interface
C. Configure a route map and reference it with the redistribute command
D. Configure an access list and reference it with the redistribute command

Sample Question 17

How is a telemetry session established for data analytics?

A. A router initiates a session using the dial-out to a destination.
B. A destination initiate a session to a router.
C. The destination initiate a session using the dial-out more to the router.
D. A router requests the data using Teinet.

Sample Question 18

A network operator needs to implement PIM-SSM multicast configuration on customer's network so that users in different domains are able to access and stream live traffic. Whichtwo actions must the engineer perform on the network to make the streaming work? (Choose two.)

A. Configure a! leas! one MSDP peer on the network
B. Enable IGMP version 2 at the interface lever.
C. Enable PIM sparse mode on the device.
D. Enable IGMP version 3 at the interface level.
E. Enable PM dense mode on the device.

Sample Question 19

What is the function of the FEC field within the OTN signal structure?

A. It allows the sending devices to apply QoS within the OTN forwarding structure.
B. It allows source nodes to discard payload errors before transmitting data on the network.
C. It allows receivers to correct errors upon data arrival.
D. It allows deep inspection of data payload fields.

Sample Question 20

Which two PHY modes are available to implement an IOS XR Gigabit Ethernet interface interface? (Choose two.)

A. SONET
B. MAN
C. WDWM
D. LAN
E. WAN

Sample Question 21

Which BGP attribute is used first when determining the best path?

A. origin
B. AS path
C. local preference
D. weight

Sample Question 22

A network engineer is configuring RIP as the routing protocol between multiple PEs and CEs. The engineer must avoid advertising the same routes back to their sources. Whichaction should be performed on the routers to accomplish this task?

A. Configure a different route distinguisher for each prefix.
B. Define the site of origin on each interface.
C. Define VRFs on each device to separate the traffic.
D. Enable bidirectional forwarding detection on each device.

Sample Question 23

What do Chef and Puppet have in common?

A. use Ruby
B. use a master server
C. require modules to be created from scratch
D. manage agents referred to as minions

Sample Question 24

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.

Sample Question 25

A network engineer is configuring a newly installed PE router at the regional gateway location. The new PE router must use MPLS core routing protocols with the existing Prouter, and LDP sessions between the two routers must be protected to provide faster MPLS convergence. Which configuration must the engineer perform on the network so thatLDP sessions are established?

A. Enable communication over TCP port 646 for T-LDP hello messages.
B. Enable RSVP-TE FRR on the LDP interface to protect the LDP session between routers.
C. Enable LDP session protection on either one of the routers, which allows them to autonegotiate.
D. Set the LDP session protection timer on each router to the same value.

Sample Question 26

A remote operation center is deploying a set of l-BGP and E-BGP connections for multiple IOS-XR platforms using the same template. The l-BGP sessions exchange prefixes with noapparent issues, but the E-BGP sessions do not exchange routes. What causes this issue?

A. A PASS ALL policy has no! been implemented for the l-BGP neighbors.
B. The next-hop-self command is not implemented on both E-BGP neighbors.
C. The E-BGP neighbors are not allowed to exchange information doe to the customer platforms default policy.
D. The l-BGP neighbors are mistyped and HELLO packets cannot be exchanged successfully between routers.

Sample Question 27

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. Whichconfiguring 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.

Sample Question 28

What is the role of NSO in network automation?

A. It is GUI used to manage wireless devices in a campus infrastructure.
B. It Is a type of REST API used to configure an APIC.
C. It is a tool that uses CLl only to configure virtual network devices.
D. It is a tool used to bridge automation to the physical network infrastructure.

Sample Question 29

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, in the case of internet access VPNS
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 routed from the global table into the L3VPN VRF
E. Internet access for global routing via a separate interface in a VRF

Sample Question 30

Which additional configuration is required for NetFlow to provide traceback information?

A. Cisco Express Forwarding must be configured for traffic that is egressing from the router to be properly reported.
B. A classification ACL must be configured to identify which type of traffic will be analyzed.
C. The BGP routing process must be started for any ingress or egress data to be reported when using NetFlow. Version 5.
D. LLDP must be configured or the device will be unable to locate a NetFlow analyzer.

Sample Question 31

Which characteristic describes prefix segment identifier?

A. It contains the interface address of the device per each link.
B. It Is globally unique.
C. It is locally unique.
D. It contains a router to a neighbor.

Sample Question 32

Which two tasks must an engineer perform when implementing LDP NSF on the network? (Choose two.)

A. Disable Cisco Express Forwarding.
B. Enable NSF for EIGRP.
C. Enable NSF for the link-state routing protocol that is in use on the network.
D. Implement direct connections for LDP peers.
E. Enable NSF for BGP.

Sample Question 33

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 engineerperform on the routers to accomplish this task?

A. Configure a EtherChannel for E-LAN.
B. Configure a pseudowire for E-LINE.
C. Configure Cisco MPLS TE for use with E-TREE.
D. Configure QoS for MPLS and E-ACCESS

Sample Question 34

Which type of attack is a Protocol attack?

A. HTTP flood
B. TFTP flood
C. SYN flood
D. Slowlorls

Sample Question 35

While implementing TTL security, you issue the PE(config-router-af)#neighbor 2.2.2.2 ttlsecurity hops 2 command. After you issue this command, which BGP packets does the PE accept?

A. from 2.2.2.2, with a TTL ol 253 Of more
B. from 2.2.2.2, with a TTL of less than 2
C. to 2.2.2.2, with a TTL of less than 253
D. to 2.2.2.2, with a TTL of 2 or more

Sample Question 36

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

A. DiffServ
B. CB-WFQ
C. IntServ
D. MQC

Sample Question 37

Whtch two routing protocols support Cisco MPLS TE tunnels? (Choose two.)

A. IS-IS
B. RIP
C. BGP
D. OSPF
E. EIGRP

Sample Question 38

What is a constraint of Cisco MPLS TE tunnel configurations?

A. Tunnels cannot span multiple OSPF areas.
B. With ISIS as an IGP. only older-style metrics are used.
C. Tunnels cannot be configured over IP unnumbered links.
D. QoS-aware tunneling is not supported.

Sample Question 39

After a possible security breach, the network administrator of an ISP must verify the times that several different users logged into the network. Which command must theadministrator enter to display the login time of each user that activated a session?

A. show netconf-yang sessions detail
B. show netconf-yang datastores
C. show platform software yang-management process
D. show netconf-yang sessions

Sample Question 40

Which CLI mode must be used to configure the BGP keychain in Cisco IOS XR software?

A. global configuration mode
B. routing configuration mode
C. BGP neighbor configuration
D. mode BGP address-family configuration mode

Sample Question 41

After implement MPLS protocol for multiple VRFs on a single Cisco device, the engineer notices all VRFs on the router still do to not LDP session protection feature enabled. Which configuration must the engineer apply to enable the LDP session protection feature FOR LDP neighbors within each VRF?

A. Configure LDP session protection globally on the device only.
B. Configure LDP session protection globally on the device and on each neighbor that requires session protection.
C. Configure LDP session authentication on the device to enable LDP session protection on each VRF automatically.
D. Configure LDP session protection within the individual VRFs.

Sample Question 42

What is a characteristic of prefix segment identifier?

A. It contains a router to a neighbor
B. It contains the interface address of the device per each link
C. It is globally unique.
D. It is locally unique.

Sample Question 43

Which protocol is used for communication between the PCE and PCC?

A. ICMP
B. PCEP
C. CEF
D. POP

Sample Question 44

What is the difference between SNMP and model-driven telemetry?

A. Telemetry allows for modeled network data to be pushed to the network administrator on an as-needed basis
B. Telemetry uses traps and inform messages to deliver data to a network administrator on a polling basis
C. SNMP uses the YANG data modeling language
D. SNMP pushes network data to the network administrator whenever it is queried

Sample Question 45

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 enforce global
C. nsf ietf helper strict-lsa-checking
D. nsf Cisco helper disable

Sample Question 46

Which utility must be used to locate MPLS faults?

A. QoS
B. MPLS LSP ping
C. MPLStraceroute
D. EEM

Sample Question 47

Which task must be performed first to Implement BFD in an IS-IS environment?

A. Disable Cisco Express Forward.ng on all interfaces running routing protocols other than IS-IS
B. Configure BFD under the IS-IS process
C. Configure all ISIS routers as Level 2 devices
D. Configure BFD in an interface configuration mode

Sample Question 48

What does DWDM use to combine multiple optical signals?

A. frequency
B. IP protocols
C. time slots
D. wavelength

Sample Question 49

The administrator of a small company network notices that intermittent network issues occasionally cause inbound notifications to its SNMP servers to be lost. Which configuration must the administrator apply so that the SNMP servers acknowledge the notifications that they receive?

A. snmp-server community ciscotest rw 10
B. snmp-server host tests.cisco.com public snmp-server community ciscotest rw 10
C. snmp-server enable traps bgp snmp-server host 192.169.2.1 Informs
D. snmp-server enable traps snmp

Sample Question 50

What is the characteristic of the Tl-LFA?

A. It guarantees a loop-free path for all interfaces in the OSPf- super backbone .
B. It applies on each area and instance and makes all the interfaces inherit the configuration
C. It guarantees a loop-free path for all areas configured m OSPF
D. It applies only on the instance and makes at the interfaces inherit the configuration

Sample Question 51

Which statement describes the advantage of a Multi-Layer control plane?

A. It automatically provisions monitors, and manages traffic across Layer 0 to Layer 3
B. It minimizes human error configuring converged networks
C. It supports dynamic wavelength restoration in Layer 0
D. It provides multivendor configuration capabilities for Layer 3 to Layer 1

Sample Question 52

Which additional feature does MPLS DiffServ tunneling support?

A. matching EXP and DSCP values
B. interaction between MPLS and IGP
C. using GRE tunnels to hide markings
D. PHB layer management

Sample Question 53

A customer of an ISP requests support to setup a BGP routing policy. Which BGP attribute should be configured to choose specific BGP speakers as preferred exit points for the customer AS?

A. highest local preference outbound
B. lowest local preference inbound
C. highest local preference inbound
D. lowest multi-exit discriminator

Sample Question 54

Which statement about TLS is accurate when using RESTCONF to write configurations on network devices'?

A. It requires certificates for authentication.
B. It is provided using NGINX acting as a proxy web server
C. It is used for HTTP and HTTPS requests.
D. It is not supported on Cisco devices

Sample Question 55

What is a role of NSO?

A. It automates the deployment of access points with its built-in wireless LAN controller.
B. It manages WAN infrastructure using a virtual switch.
C. It provides full lifecycle management of a device.
D. It resides on a hypervisor that runs the Windows OS.

Sample Question 56

What causes multicast traffic to permanently stay on the shared tree and not switch to the source tree?

A. The SPT threshold is set to infinity.
B. The RP IP address is configured incorrectly.
C. The RP announcements are being filtered.
D. SSM range is being used.

Sample Question 57

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

A. The network does not support BIDIR-PIM
B. The network is partially upgraded to support BIDlR-PIM
C. No interface for carrying traffic for multicast groups has been configured
D. The router has not been configured to advertise itself

Sample Question 58

While implementing TTL security, you issue the PE(config-router-af)#neighbor 2.2.2.2 ttlsecurity hops 2 command. After you issue this command, which BGP packets does the PE accept?

A. from 2.2.2.2, with a TTL ol 253 Of more
B. from 2.2.2.2, with a TTL of less than 2
C. to 2.2.2.2, with a TTL of less than 253
D. to 2.2.2.2, with a TTL of 2 or more

Sample Question 59

Which service is a VNF role?

A. Compute
B. Network
C. Firewall
D. Storage

Sample Question 60

After you analyze your network environment, you decide to implement a full separationmodel for Internet access and MPLS L3VPN services For which reason do you make this decision?

A. It enables you to choose whether to separate or centralize each individual service.
B. It is easier to manage a system in which services are mixed
C. It requires only one edge router
D. It enables EGP and IGP to operate independently

Sample Question 61

What are two factors to consider when implementing NSR High Availability on an MPLS PE router? (Choose two.)

A. It consumes more memory and CPU resources than NSF
B. It operates normally without NSR support on the PE peers.
C. It requires all PE-CE sessions to support NSR
D. It requires routing protocol extensions
E. It cannot sync state information across redundant RPs

Sample Question 62

Which MPLS design attribute can you use to provide Internet access to a major customer through a separate dedicated VPN?

A. The customer that needs the Internet access service is assigned to the same RTs as the Internet gateway
B. The Internet gateway inserts the full Internet BGP routing table into the Internet access VPN
C. The Internet gateway router is connected as a PE router to the MPLS backbone.
D. The CE router supports VRF-Ute and the full BGP routing table.

Sample Question 63

Which two IS-IS parameters must match before two Level 2 peers can form an adjacency? (Choose two)

A. authentication settings
B. area ID
C. system ID
D. MTU
E. hello timer setting

Sample Question 64

Which two features will be used when defining SR-TE explicit path hops if the devices are using IP unnumbered interfaces? (Choose two.)

A. router ID
B. labels
C. node address
D. next hop address
E. output interface

Sample Question 65

Which statement about the Cisco MPLS TE forwarding adjacency feature is true?

A. It enables the headend and tailend routers to establish a bidirectional tunnel
B. It enables the tailend router to advertise routes to the headend router over the tunnel
C. It enables the MPLS core to use EIGRP as the routing protocol
D. It enables the Cisco MPLS TE tunnel to be advertised into the running IGP.

Sample Question 66

In an MPLS network, which protocol can be used to distribute a Segment Prefix?

A. OSPF
B. LDP
C. RSVP-TE
D. EIGRP

Sample Question 67

Egress PE NAT is being used via a single centralized router to provide Internet access to L3VPN customers.Which description of the NAT operation is true?

A. Users m different VRFs cannot share the same outside global IP address
B. The NAT table contains a field to identify the inside VRF of a translation
C. Multiple address pools are needed for the same L3VPN because each site has a separate NAT
D. The different L3VPNs using the Internet access must not have IP overlaps internally

Sample Question 68

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

Sample Question 69

Which configuration mode do you use to apply the mpls Idp graceful-restart command in IOS XE Software? MPLS

A. MPLS
B. LDP neighbor
C. global
D. interface

Sample Question 70

How can shared services in an MPLS Layer 3 VPN provide Internet access to the customers of a central service provider?

A. The CE router can establish a BGP peering to a PE router and use the PE device to reach the Internet
B. Route distinguishes are used to identify the routes that CEs can use to reach the Internet
C. The customer VRF uses route targets to import and export routes to and from a shared services VRF
D. Static routes on CE routers allow route leakage from a PE global routing table

Sample Question 71

Which statement about segment routing prefix segments is true?

A. It is linked to a prefix SID that is globally unique within segment routing domain.
B. It is the longest path to a node.
C. It is linked to an adjacency SID that is globally unique within the router.
D. It requires using EIGRP to operate.

Exam Code: 350-501

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

Last Update: May 13, 2024

Questions: 452