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

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Questions # 1:

What is a characteristic of data modeling language?

Options:

It provides an interface for state data.

It separates configuration and state data.

It ensures devices are individually configured.

It replaces SNMP.

Answer

Questions # 2:

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

Options:

It enables the headend and tailend routers to establish a bidirectional tunnel

It enables the tailend router to advertise routes to the headend router over the tunnel

It enables the MPLS core to use EIGRP as the routing protocol

It enables the Cisco MPLS TE tunnel to be advertised into the running IGP.

Answer

Explanation

The Cisco MPLS TE forwarding adjacency feature allows a TE tunnel to be advertised into the IGP, effectively making the tunnel appear as a network link in the IGP topology. This integration helps in the optimal utilization of the TE tunnel by other routers for IP routing purposes.

Questions # 3:

Refer to the exhibit. Which additional configuration must an engineer to the adge router to inject a default router into the MP-BGP address family for the internet_Shared_Services dedicated VRF?

Question # 3

Options:

Option A

Option B

Option C

Option D

Answer

Explanation

To inject a default route into the MP-BGP address family for a dedicated VRF, you would typically need to:

Configure a static default route in the VRF using the ip route vrf 0.0.0.0 0.0.0.0 command.

Redistribute the static route into BGP using the redistribute static command under the BGP VRF configuration.

Questions # 4:

Question # 4

Refer to the exhibit. A network engineer received a complaint about these problems in OSPF stub area 100:

The Ethernet link is down between routers RX and RY because the fiber was cut.

CE site A traffic to the hub site is being dropped.

Which action resolves these issues?

Options:

Set the OSPF authentication type to MD5 between RX and RY DUMPS

Change the OSPF area 100 type to stub on RZ.

Change the OSPF priority to 100 on the interfaces that connect RX and RY.

DUMPS Set the OSPF MTU to 1500 on the link between RX and RZ.

Answer

Explanation

The issue is occurring in OSPF stub area 100 where the Ethernet link is down between routers RX and RY due to a cut fiber, leading to dropped traffic from CE site A to the hub site. Changing the OSPF area 100 type to stub on RZ can resolve these issues. In a stub area, OSPF routers use a default route to forward traffic to destinations outside the area, reducing the size of their routing tables. This would allow traffic from CE site A to be routed through RZ when the direct link between RX and RY is down.

[: Implementing and Operating Cisco Service Provider Network Core Technologies (SPCOR) - Cisco SPCOR Training, , ]

Questions # 5:

Refer to the exhibit.

Question # 5

An engineer is configuring path selection on router R1 for two ASNs as shown. Which additional task must the engineer perform on Router 1 so that all outbound traffic utilizes the link between R1 and R3 to reach ASN 4567?

Options:

Configure a low weigh! on the peer to ASN 4567.

Configure a high weight on the peer to ASN 4567.

Configure an AS path prepend on the peer to ASN 4567.

Configure a high med on the peer to ASN 4567.

Answer

Explanation

In Cisco’s path selection process, the weight attribute is the first criterion for selecting a path. It is a Cisco-specific parameter, local to the router, and it is not propagated in routing updates. The path with the highest weight is preferred. Therefore, configuring a high weight on the peer to ASN 4567 will make Router R1 prefer this path for all outbound traffic directed towards ASN 4567. References: Implementing and Operating Cisco Service Provider Network Core Technologies (SPCOR) - Cisco SPCOR Training & Certification

Questions # 6:

Refer to the exhibit:

Question # 6

This configuration is being applied on an IOS XR router.

Which statement about this configuration is true?

Options:

It is used to set up configuration to poll network data

It is used to enable gRPC

It is used to create a streaming subscription with a 60-second interval

It is used to create a streaming subscription with a 600-second interval

Answer

Explanation

The configuration sets up a telemetry subscription to collect and send data every 60 seconds, which is indicated by the sample-interval 60000 setting in the configuration. References: For more detailed information, please refer to the official Cisco documentation on Implementing and Operating Cisco Service Provider Network Core Technologies (SPCOR) and the specific section on Telemetry Configuration.

Questions # 7:

Question # 7

Refer to the exhibit. An engineer configured several network devices to run REST APIs. After testing, the organization plans to use REST APIs throughout the network to manage the network more efficiently. What is the effect if this script?

Options:

It returns an AAA users with the last name CiscoTest.

It creates a class map named aaauser with traffic tagged from AAA.

It queries the local database to find a user named aaaUser.Json

It adds the user CiscoTest to the AAA database located at 192.168.201.10.

Answer

Explanation

The script shown in the exhibit is a REST API call that adds a user with the last name ‘CiscoTest’ to the AAA database on the server located at the IP address 192.168.201.10. This is achieved through a POST request, which is typically used to create or update resources on a server. The script specifies the user details in JSON format, which is a common data format used for API calls.

[: Implementing and Operating Cisco Service Provider Network Core Technologies (SPCOR), ]

Questions # 8:

Refer to the exhibit:

Question # 8

An engineer wants to authenticate the OSPF neighbor between PEA and PE-B using MD5.

Which command on PE-B successfully completes the configuration?

Question # 8

Options:

Option A

Option B

Option C

Option D

Answer

Explanation

The correct command to authenticate the OSPF neighbor between PE-A and PE-B using MD5 is found in Option A. In this option, the command ip ospf message-digest-key 1 md5 44578611 is used to configure OSPF MD5 authentication on an interface with the key ID as 1 and key string as 44578611. The second command ip ospf authentication key-chain 44578611 is used to enable OSPF authentication on an interface and associate it with a specific key chain. References := Cisco - Implementing and Operating Cisco Service Provider Network Core Technologies

Questions # 9:

Question # 9

Refer to the exhibit. A network engineer is implementing multicast Source-A to send a multicast stream for Receiver-A, and multicast Source-B to send a multicast stream for Receiver-B. Router RC forwards the IGMP host a report and leaves messages to IP address 192.168.10.1. How must the multicast features be implemented to prevent RB from receiving multicast flooding from Source-A?

Options:

Change the helper-address value to 192.168.10.2 on RC.

Enable ip pim neighbor-filter on RC interface Ge0/0.

Configure PIM-SSM on RB and RC interface Ge 0/0.

Enable ip pim passive on RB interface Ge0/0.

Answer

Questions # 10:

Guidelines -

This is a lab item in which tasks will be performed on virtual devices.

• Refer to the Tasks tab to view the tasks for this lab item.

• Refer to the Topology tab to access the device console(s) and perform the tasks.

• Console access is available for all required devices by clicking the device icon or using the tab(s) above the console window.

• All necessary preconfigurations have been applied.

• Do not change the enable password or hostname for any device.

• Save your configurations to NVRAM before moving to the next item.

• Click Next at the bottom of the screen to submit this lab and move to the next question.

• When Next is clicked, the lab closes and cannot be reopened.

Topology:

Question # 10

Tasks -

Configure the BGP routing protocol for R1 and R2 according to the topology to achieve these goals:

1. Configure EBGP neighbor adjacency for the IPv4 and IPv6 address family between R1 and R2 using Loopback0 IPv4 and IPv6 addresses. All BGP updates must come from the Loopback0 interface as the source. Do not use IGP routing protocols to complete this task.

2. Configure MD5 Authentication for the EBGP adjacency between R1 and R2. The password is clear text C1sc0!.