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. 

Answer: D

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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 

Answer: C

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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. 

Answer: D

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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

Answer: B

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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 

Answer: C

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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.

Answer: D

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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 

Answer: C

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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. 

Answer: D

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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.

Answer: B

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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 

Answer: C

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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 

Answer: C

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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. 

Answer: C

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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. 

Answer: A

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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 

Answer: C

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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 

Answer: D

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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. 

Answer: D

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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. 

Answer: C

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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 

Answer: C

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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 

Answer: A,B

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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 

Answer: B

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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 

Answer: A,B

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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 

Answer: A

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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. 

Answer: D

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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 

Answer: A

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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 

Answer: C

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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 

Answer: B

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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. 

Answer: B

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