Cisco 350-501 Exam Dumps

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

Cisco 350-501 Sample Questions

Question # 1

How is RSVP used with MPLS traffic engineering tunnels?

A. It assigns a tag to a packet as it travels through the tunnel. 
B. It removes and reassigns an MPLS label when the packet enters the tunnel. 
C. It reduces the CPU burden when a packet travels through the tunnel. 
D. It reserves bandwidth along the path of the tunnel. 

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Question # 2

What is a feature of mVPN?

A. It requires-uncast to be disabled on the multicast domain 
B. It establishes multiple static MDTs for each multicast domain. 
C. It provides the ability to support multicast over a Layer 3 VPN. 
D. It requires the no ip mroute-cache command to be configured on the loopback interface of each BGP peer 

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Question # 3

Which benefit is provided by FRR? 

A. It provides fast forwarding path failure detection times for all media. 
B. It provides rapid failure detection between forwarding engines. 
C. It provides performance data for the service provider network. 
D. It protects Cisco MPLS TE LSPs from link and node failures. 

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Question # 4

An organization with big data requirements is implementing NETCONF as part of its migration to a new cloud-based environment. The organization has multiple offices across widespread geography. A network engineer is configuring NETCONF on one of the border routers. Which configuration must the engineer apply to save the running configuration? 

A. <xml version="1.0" encoding="utf-8"?><rpc xmlns="urn:letf:params:xml:ns:netconf:base:1.0" message- id="1"><edit-config><target><running/></target><config></config></edit-config></rpc>
B. <xml version="1.0" encoding="utf-8"?><rpc xmlns="urn:ietf:params:xml:ns:netconf:base:1.0" message- id="2"><cisco-ia:save-config xmlns:cisco- ia="http://cisco.com/yang/cisco-ia"/></rpc>
C. snmp-server community public RWsnmp-server trap link leftsnmp-server enable traps snmp authentication linkdown linkupsnmp-server enable traps syslogsnmp-server manager
D. logging history debugginglogging snmp-trap emergencieslogging snmp-trap alertslogging snmp-trap criticallogging snmp-trap errorslogging snmp-trap warningslogging snmp-trap notificationslogging snmp-trap informationlogging snmp-trap debugging

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Question # 5

When Cisco lOS XE REST API uses HTTP request methods what is the purpose of a PUT request?

A. retrieves the specified resource or representation 
B. submits data to be processed to the specified resource 
C. updates the specified resource with new information 
D. creates a new resource 

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Question # 6

A network engineer must enable multicast on the network to support a new series of webcasts. The PIM protocol has been enabled on the LAN side, with PIM and MSDP capabilities on edge router R1. The multicast source has been configured with IP address FF3A:121, and IP protocol 58 has been enabled and successfully tested in the network. Due to the limitations of some devices on the network, the data flow should take the most efficient path. Which task must the engineer perform to achieve the goal?

A. Enable PIM BSR on R1. 
B. Implement Anycast RP on R1. 
C. Implement PIM-SM in the LAN. 
D. Enable PIM-SSM across the network.

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Question # 7

What is the purpose of OSPF-TE extensions to MPLS traffic engineering functionality?

A. carrying OSPF routing information for TE tunnels 
B. advertising the TE tunnel routes to the OSPF domain 
C. calculating and establishing TE tunnels in accordance with network constraints 
D. calculating fast reroute to provide a backup path for TE tunnels 

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Question # 8

The NOC team must update the BGP forwarding configuration on the network with these requirements: BGP peers must establish a neighborship with NSF capability and restart the session for the capability to be exchanged after 120 seconds. BGP peers must delete routes after 360 seconds of inactivity. Which action meets these requirements?

A. Set the BGP restart-time to 120 seconds and the BGP ha-mode sso to 360 seconds. 
B. Set the stalepath-time to 120 seconds and the BGP restart-time to 360 seconds. 
C. Set the BGP ha-mode sso to 120 seconds and the BGP restart-time to 360 seconds. 
D. Set the BGP restart-time to 120 seconds and the stalepath-time to 360 seconds. 

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Question # 9

Network devices in the core layer use different IGPs, and the network is split into several areas. The engineer must use a NETCONF operation to load a full interface configuration on multiple Cisco devices to ensure that they meet company standards. The devices must work over SSH from the Linux jump server. Which action meets the configuration requirements?

A. Use the NETCONF operation to load the configuration and verify that TCP port 830 is open from the Linux server to the routers. 
B. Use the NETCONF operation to load the configuration and verify that TCP port 630 is open from the Linux server to the routers. 
C. Use the NETCONF operation to load the configuration and verify that TCP port 22 is open from the Linux server to the routers. 
D. Use the NETCONF operation to load the configuration and verify that TCP port 22 is open from the Linux server to the routers.

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Question # 10

Which type of attack is an application attack? 

A. ping of death 
B. ICMP (ping) flood 
C. HTTP flood 
D. SYN flood 

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Question # 11

What is the primary role of a BR router in a 6rd environment?

A. It provides connectivity between end devices and the IPv4 network. 
B. It embeds the IPv4 address in the 2002::/16 prefix. 
C. It connects the CE routers with the IPv6 network. 
D. It provides IPv4-in-IPv6 encapsulation 

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Question # 12

How does TI-LFA reduce packet loss in Segment routing? 

A. It determines which link to use when load balancing to prevent packet fragmentation loss. 
B. It establishes multiple labels per path using more than one IGP. 
C. It calculates loop-free backup paths that are rapidly implemented in case of a link failure. 
D. It enables path selection in SR-TE to support MPLS label allocation. 

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Question # 13

Which action occurs during the traceback phase of the six-phase approach to service provider security? 

A. Trace action occur flows from the stacked sections of the network toward the network edges 
B. Detect unusual activity or behavior and activate appropriate measures after an alert is raised. 
C. Review the whole attack-handling process 
D. Mitigate the attack that flows using various mechanisms. 

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Question # 14

What is the purpose of RSVP tear messages?

A. to notify the tail-end router of resource unavailability on the transit router
 B. to inform the headend router of LSP issues
 C. to reuse router resources for other reservation requests 
D. to confirm successful end-to-end resource allocation 

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Question # 15

Under which circumstance does BGP ignore the best-path algorithm after receiving multiple routes to a destination?

A. when the routes are synchronized 
B. when the route's first hop has a different AS number 
C. when the routes have local-preference values less than 100 
D. when the route's next hop is unreachable 

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Question # 16

Which fact must a network engineer consider when planning to deploy RSVP-TE FRR?

A. The FRR backup tunnel reserves the total bandwidth of all protected tunnels
 B. FRR protects MPLS LDP and RSVP-TE LSPs. 
C. PLR prefers FRR NHOP backup tunnels over NNHOP tunnels. 
D. PLR prefers FRR NNHOP backup tunnels over NHOP tunnels. 

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Question # 17

What should a network engineer consider before implementing segment routing?

A. It is an MPLS-based routing technique. 
B. It is a source-based routing technique. 
C. It is a multicast-based routing technique. 
D. It is a destination-based routing technique. 

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Question # 18

What is the primary purpose of Secure ZTP?

A. to securely and seamlessly encrypt traffic across the entire network 
B. to provide real-time threat detection and mitigation for devices in the network 
C. to automate the secure provisioning of network devices during initial deployment 
D. to provide secure remote access to network devices for management and troubleshooting 

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Question # 19

What are two purposes of a data-modeling language such as YANG? (Choose two.)

A. defining a hierarchical data scheme 
B. modeling notifications, data configuration, and data status 
C. defining a relational-model data scheme 
D. defining a semi-structured data scheme
 E. defining API calls, JSON format, and XML structure 

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Question # 20

Which capability does RSVP provide in an MPLS network? 

A. signaling a primary path for LSP tunnels 
B. reserving up to 75% of interface bandwidth by default 
C. reserving bandwidth for multicast flows 
D. supporting interoperability between IntServ and DiffServ architecture models 

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Question # 21

The networking team must create a golden configuration to monitor and discover network devices, and also support the capability to configure network devices in the future. Not all devices on the network are capable of gRPC or REST-API calls. The solution should use a username and password, and data in transit should be highly secured. The modern NMS system has been configured with IP address 172.14.15.1, and the snmp-server view iso included command has already been added to the template. Which two commands should the team add to the configuration template to enable SNMPv3 on network devices? (Choose two.)

A. snmp-server user Cisco group v3 auth md5 Cisco123 authpriv aes 192 Cisco1234 
B. snmp-server group v3 authnopriv ro 
C. snmp-server user Cisco group v3 auth sha Cisco123 priv aes 256 Cisco1234 
D. snmp-server user Cisco group v3 auth she-aes Cisco123 authnopriv aes 128 Cisco1234 
E. snmp-server group v3 priv read view 

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Question # 22

What are the four primary components of an API? 

A. methods, actions, objects, and formats 
B. GET, PUT, DELETE, and SET 
C. Modularity, Abstraction, Stability, and Resources 
D. running config, startup config, VLAN database, and routing database 

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Question # 23

An ISP that provides private network services across the country has recently migrated their infrastructure to support MPLS technology. A network engineer configured mpls ip on all routers and implemented the OSPF routing protocol with TE extensions in the backbone area. The ISP wants to ensure that label exchange is performed only on MPLS-enabled interfaces that are associated with the IGP instance. Which action must the engineer take to accomplish the goal?

A. Enable Cisco Express Forwarding on all routers in the backbone area. 
B. Implement mpls Idp sync on all routers in the segment. 
C. Update the routers in the segment to use RSVP-TE for label distribution.
 D. Implement mpls Idp autoconfig on all routers in the segment. 

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Question # 24

What is the primary purpose of routed optical networks?

A. to simplify network management by collapsing multiple layers into a single architecture 
B. to provide redundancy for failed network connections by automatically switching to backup paths 
C. to convert analog signals to digital signals for transmission over fiber-optic cables 
D. to encrypt and secure data traveling across the network 

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Question # 25

After troubleshooting multiple outages on the network due to repeated configuration errors, the network architect asked an engineer to enable NETCONF to facilitate future configurations. The configuration must enable syslog messaging to record NETCONF notifications from each of the numerous devices on the network. Which configuration must the engineer apply?

A. username cisco test taker privilege 15 password 0 cisco test aaa new-model aaa authorization exec default local snmp-server community cisco test RW netconf-yang cisco-ia snmp-community-string ciscotest logging history warnings 
B. username cisco test taker privilege 15 password 0 ciscotest aaa new-model aaa authorization exec default local snmp-server community ciscotest RW netconf-yang cisco logging history critical 
C. netconf-yang username ciscotesttaker privilege 15 password 0 ciscotest aaa new-model aaa authorization exec default local snmp-server community ciscotest RW netconf-yang cisco-ia snmp-community-string ciscotest logging history debugging 
D. netconf-yang username ciscotesttaker privilege 15 password 0 ciscotest snmp-server community ciscotest RW netconf-yang cisco-ia snmp-community-string ciscotest logging history informational 

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Question # 26

A network engineer must configure a router for Flexible NetFlow IPFIX export. The IP address of the destination server is 172.17.12.1. The source address must be set to the Loopback0 IPv4 address and exported packets must be set to DSCP CS3. The TTL must be 64 and the transport protocol must be set to UDP with destination port 4739. Which configuration must the engineer apply to the router?

A. configure terminal flow exporter EXPORTER-1 destination 172.17.12.1 source Loopback0 dscp 3 ttl 64 export-protocol netflow-v9 transport udp 4739 end 
B. configure terminal flow exporter EXPORTER-1 destination 172.17.12.1 source Loopback0 dscp 24 ttl 64 export-protocol ipfix end 
C. configure terminal flow exporter EXPORTER-1 destination 172.17.12.1 source Loopback0 dscp 24 ttl 64 export-protocol netflow-v9 transport udp 4739 end 
D. configure terminal flow exporter EXPORTER-1 destination 172.17.12.1 source Loopback0 dscp 3 ttl 64 export-protocol ipfix end 

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Question # 27

Which function does orchestrated fulfillment perform under the Cisco Network Services Orchestrator model?

A. It maintains the service topology in an inventory system to enable accurate assessment of service impact and support root-cause analysis. 
B. It translates the networking service high-level intent into device configurations, and pushes the configurations to physical and virtual devices. 
C. It leverages open-source NFV components such as OpenStack virtual infrastructure manager and Open vSwitch to create necessary service chains among VNFs. 
D. It instantiates virtual test probes to perform activation testing and provide ongoing measurement of service KPIs against defined SLAs. 

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Question # 28

What must a network engineer consider when designing a Cisco MPLS TE solution with OSPF?

A. The OSPF extensions and RSVP-TE must be enabled on all routers in the network. 
B. OSPF extensions for RSVP-TE are supported in Area 1. 
C. The OSPF extensions and RSVP-TE must be enabled on the egress routers. 
D. OSPF extensions for RSVP-TE are implemented in Type 6, 7, and 8 LSAs. 

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Question # 29

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. 

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Question # 30

When implementing a REST API, how does an engineer mitigate security risks? 

A. by configuring the system to authenticate the client's identity and avoid broken authentication 
B. by configuring object properties to protect data 
C. by configuring separate authorization schemes to securely compartmentalize different areas of the business 
D. by configuring rate limiting to reduce the risk of DOS and DDOS attacks against the system 

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Question # 31

Which technology enables the addition of new wavelengths in a fiber-optic network? 

A. IPoDWDM 
B. CWDM 
C. DWDM 
D. ROADM 

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Question # 32

Which set of facts must the network architect consider when deciding whether to implement SaltStack or Chef? 

A. Chef is an agent-based on Ruby, and SaltStack is a module tool based on Python. 
B. Chef refers to its automation instructions as manifests, and SaltStack refers to its instructions as a playbook.
 C. Chef is written in Python, and SaltStack is written in Ruby. 
D. Chef uses a message-based system, and SaltStack uses an agent to deliver messages 

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Question # 33

How do PE routers operate with the MDT in a multicast VPN?

A. When the sending PE router recognizes that multicast data has exceeded the bandwidth threshold, it creates a data MDT and sends a UDP message to all routers using the default MDT. 
B. After the default MDT and BGP VPNv4 neighbor is configured, a different PE neighbor in the IPv6 MDT address family is configured automatically for migrating to MDT SAFI. 
C. When the source PE router establishes adjacency using PIM SM mode in the default MDT, the receiving PE requests information about the source PE for BGP advertisement. 
D. The default MDT uses PIM sparse mode and PIM establishes adjacency over the shortest path tree toward the destination PE router. 

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Question # 34

What is the primary purpose of Terraform in the network?

A. to manage the Cisco network infrastructure as code to ensure consistent configuration and scalability 
B. to facilitate the integration of Cisco networking solutions with cloud platforms to improve scalability 
C. to schedule and manage maintenance tasks on Cisco network devices to minimize errors and downtime 
D. to enable the seamless migration of Cisco network configurations between diverse network environments 

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Question # 35

A network engineer is implementing NetFlow to observe traffic patterns on the network. The engineer is planning to review the patterns to help plan future strategies for monitoring and preventing congestion as the network grows. If the captures must include BGP nexthop flows, which configuration must the engineer apply to the router?

A. ip cef ip flow-export version 5 bgp-nexthop ip flow-export destination 192.168.1.1 9995 interface gigabitethernet 1/0/1 ip flow egress 
B. ip cef ip flow-export version 9 bgp-nexthop ip flow-export destination 192.168.1.1 9996 interface gigabitethernet 1/0/1 ip flow ingress 
C. ip cef ip flow-export version 5 ip flow-export destination 192.168.1.1 9995 interface gigabitethernet 1/0/1 ip flow ingress cdp enable 
D. no ip cef ip flow-export version 9 ip flow-export destination 192.168.1.1 9996 interface gigabitethernet 1/0/1 ip flow ingress ip flow egress 

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Question # 36

A network architect plans to implement MPLS OAM to provide additional troubleshooting functionality for the NOC team. After analyzing the configuration on the MPLS P/PE nodes, the architect decides to revise the CoPP policies. Which two actions ensure that the new solution is secure? (Choose two.)

A. Allow port 3505 in the outbound direction only. 
B. Allow the ICMP protocol only. 
C. Allow the TCP and UDP protocols. 
D. Allow the UDP protocol only. 
E. Allow port 3503 in the inbound direction only. 

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Question # 37

FRR is configured on a network. What occurs when the headend router on the path is alerted to a link failure over IGP?

A. LSP attempts fast switching on the backup path until the primary path returns to the active state.   
B. The headend router uses a presignaled LSP to bypass the failure point.   
C. A new backup tunnel is established past the PLR to pass through the protected nodes   
D. Backup tunnel is established and intersects with the primary tunnel at the headend.   

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Question # 38

The service provider is serving hosts with two different multicast streams from source X and source Y. SourceX is multicast group 224.0.0.0/8, and source Y is multicast group 226.0.0.0/8. Multicast source X should sendits stream through bidirectional RP address 10.20.1.1, and multicast source Y should send its stream through RP address 10.20.2.1. Which configuration meets these requirements?

A. Enable ip pim ssm default on RA and RB.   
B. Add ip pim bidir-enable in global mode on RB.   
C. Permit the source X and source Y IP addresses in the access list on RB.   
D. Set PIM sparse mode with a static RP address of 10.20.2.1 on RA and RC.   

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