350-501 Exam Questions and Answers | Exam-Dumps (Page: 3)

QUESTION: 11

Refer to the exhibits.

Which information is provided for traceback analysis when this configuration is applied?

source interface
packet size distribution
IP sub flow cache
BGP version

Answer(s): A

QUESTION: 12

Refer to the exhibit.

R1 is connected to two service providers and is under a DDoS attack.
Which statement about this design is true if URPF in strict mode is configured on both interfaces?

R1 drops all traffic that ingresses either interface that has a FIB entry that exits a different interface.
R1 drops destination addresses that are routed to a null interface on the router.
R1 permits asymmetric routing as long as the AS-PATH attribute entry matches the connected AS.
R1 accepts source addresses on interface gigabitethernet0/1 that are private addresses.

Answer(s): A

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QUESTION: 13

Refer to the exhibit.

Router 1 was experiencing a DDoS attack that was traced to interface gigabitethernet0/1. Which statement about this configuration is true?

Router 1 accepts all traffic that ingresses and egresses interface gigabitethernet0/1.
Router 1 drops all traffic that ingresses interface gigabitethernet0/1 that has a FIB entry that exits a different interface.
Router 1 accepts source addresses that have a match in the FIB that indicates it is reachable through a real interface.
Router 1 accepts source addresses on interface gigabitethernet0/1 that are private addresses.

Answer(s): C

Reference:

https://www.cisco.com/c/en/us/td/docs/switches/datacenter/sw/4_1/nx-os/security/configuration/guide/sec_nx-os-cfg/sec_urpf.html

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QUESTION: 14

Refer to the exhibit.

An engineer is preparing to implement data plane security configuration. Which statement about this configuration is true?

Router 2 is the router receiving the DDoS attack.
Router 1 must be configured with uRPF for the RTBH implementation to be effective.
Router 1 is the trigger router in a RTBH implementation.
Router 2 must configure a route to null 0 for network 192.168.1.0/24 for the RTBH implementation to be complete.

Answer(s): A

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QUESTION: 15

Which configuration modifies Local Packet Transport Services hardware policies?

Answer(s): C

Reference:

https://www.cisco.com/c/en/us/td/docs/routers/crs/software/crs_r4-1/addr_serv/command/reference/b_ipaddr_cr41crs/b_ipaddr_cr41crs_chapter_0111.html#wp1754734006

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Cisco® 350-501 Exam (page: 3) Cisco® Implementing and Operating Service Provider Network Core Technologies (SPCOR) Updated on: 28-Nov-2025

QUESTION: 11

QUESTION: 12

QUESTION: 13

Reference:

QUESTION: 14

QUESTION: 15

Reference:

Cisco® 350-501 Exam (page: 3)
Cisco® Implementing and Operating Service Provider Network Core Technologies (SPCOR)
Updated on: 28-Nov-2025