Practice CCNP Service Provider 350-501 exam. Online Exam Practice Tests with detailed explanations! Pass 350-501 with confidence!
350-501 - Implementing and Operating Cisco Service Provider Network Core Technologies Practice Tests 2026 | Lead2PassExam
NEW QUESTION # 47
A network engineer is configuring a BGP route policy for the SUBNET prefix set. Matching traffic must be dropped, and other traffic must have its MED value set to 400 and community 4:400 added to the route. Which configuration must an engineer apply?
- A. Option D
- B. Option C
- C. Option B
- D. Option A
Answer: C
Explanation:
The correct configuration for the BGP route policy named SUBNET, as per the second set of text in the image details, is to drop traffic if the destination is in BGP. Otherwise, the MED value should be set to 400 and community (4:400) should be added. This matches Option B, which specifies these exact actions. Reference := The information is based on the image details provided and aligns with common BGP route policy configurations typically found in Cisco's service provider network core technologies documentation.
NEW QUESTION # 48
What is the primary purpose of the locator in a segment-routing environment?
- A. to load-balance traffic across multiple paths
- B. to identify the starting point of a segment in the network
- C. to identify the next segment on the forwarding path
- D. to provide path information for routing decisions
Answer: B
NEW QUESTION # 49
Refer to the exhibit.
A network engineer is configuring customer edge routers to finalize a L2VPN over MPLS deployment Assume that the AToM L2VPN service that connects the two CEs is configured correctly on the service provider network Which action causes the solution to fail?
- A. The x connect statement has not been defined
- B. OSPF does not work with L2VPN services
- C. The routing protocol network types are not compatible
- D. A loopback with a /32 IP address has not been used
Answer: A
NEW QUESTION # 50
What is the characteristic of the TI-LFA?
- A. It applies on the area and instance and makes all the interfaces inherit the configuration
- B. It guarantees a loop-free path for all areas configured in OSPF
- C. It applies only on the instance and makes all the interfaces inherit the configuration
- D. It guarantees a loop-free path for all interfaces in the OSPF super backbone
Answer: A
Explanation:
TI-LFA can be configured on the instance, area, or interface. When configured on the instance or area, all interfaces in the instance or area inherit the configuration.
NEW QUESTION # 51
Refer to Exhibit.
A network engineer is trying to retrieve SNMP MIBs with RESTCONF on the Cisco switch but fails. End-to- end routing is in place. Which configuration must the engineer implement on the switch to complete?
- A. netconf-yang cisco-ia snamp-community -string Public
- B. snmp-server community cisco RW
- C. snmp-server community public RO
- D. netconf-yang cisco-Ia snmp-community-string Private
Answer: B
Explanation:
Reference: https://www.cisco.com/c/en/us/support/docs/storage-networking/management/200933-YANG- NETCONF-Configuration-Validation.html
NEW QUESTION # 52
Refer to the exhibit:
Which condition must be met by the OSPF peer of router R1 before the two devices can establish communication?
- A. The OSPF peer must use clear-text authentication
- B. The interface on the OSPF peer must use the same key ID and key value as the configured interface
- C. The OSPF peer must be configured as an OSPF stub router
- D. The interface on the OSPF peer may have a different key ID, but it must use the same key value as the configured interface
Answer: B
NEW QUESTION # 53
Refer to the exhibit.
A network engineer is configuring customer edge routers to finalize a L2VPN over MPLS deployment Assume that the AToM L2VPN service that connects the two CEs is configured correctly on the service provider network Which action causes the solution to fail?
- A. The x connect statement has not been defined
- B. OSPF does not work with L2VPN services
- C. The routing protocol network types are not compatible
- D. A loopback with a /32 IP address has not been used
Answer: A
NEW QUESTION # 54
An engineer is setting up overlapping VPNs to allow VRF ABC and XYZ to communicate with VRF CENTRAL but wants to make sure that VRF ABC and XYZ cannot communicate. Which configuration accomplishes these objectives?
- A. Option D
- B. Option C
- C. Option B
- D. Option A
Answer: C
NEW QUESTION # 55
Drag and drop the functionalities from the left onto the correct target fields on the right.
Answer:
Explanation:
NEW QUESTION # 56
You are writing an RPL script to accept routes only from certain autonomous systems Consider this code.
If you apply this code to BGP filters, which effect does the code have on your router?
- A. denies routes from AS 7070
- B. denies routes from AS 7007
- C. allows routes from AS 7077
- D. allows routes from AS 770
Answer: C
Explanation:
The RPL script in the image is used to filter BGP routes based on the AS path. The script includes a condition that checks if the AS path contains '7077' using a regular expression (ios-regex '777$'). If this condition is met, the route is passed; otherwise, it would be denied by default. Therefore, this script allows routes from AS
7077 and denies others.
References := For specific references, please consult the Implementing and Operating Cisco Service Provider Network Core Technologies source book or study guide, as I am unable to provide direct links or access content from external websites.
NEW QUESTION # 57
Refer to the exhibit.
The network engineer who manages ASN 65001 must configure a BGP routing policy on GW-XR1 with these requirements:
* Advertise locally-originated routes and /24 prefixes assigned within the 198.18.0.0/15 range. All other prefixes must be dropped.
* Reachability to 198.18.100.0/24 must be preferred via the EDGE-1 connection.
* Reachability to 198.19.100.0/24 must be preferred via the EDGE-2 connection.
Which configuration must the network engineer implement on GW-XR1?
- A.
- B.
- C.
- D.
Answer: B
Explanation:
https://community.cisco.com/t5/mpls/cisco-xr-rpl-destination-vs-destination-prefix/td-p/4587693
NEW QUESTION # 58
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 device to filter routes?
- A. Configure a route map and reference it with the redistribute command
- B. Configure an access list and reference it with the redistribute command
- C. Configure a prefix list and associate it to the BGP peer interface
- D. Configure a distribute list and associate it to the BGP peer interface
Answer: A
Explanation:
To filter routes when redistributing OSPF into BGP, you should configure a route map and reference it with the redistribute command.
The route map allows you to apply filtering criteria to the routes being redistributed.
Example configuration:
router bgp 65000
redistribute ospf 1 route-map OSPF-TO-BGP
!
route-map OSPF-TO-BGP permit 10
match ip address prefix-list OSPF-TO-BGP-FILTER
!
ip prefix-list OSPF-TO-BGP-FILTER seq 10 deny 192.168.0.0/24
ip prefix-list OSPF-TO-BGP-FILTER seq 20 permit any
Reference:
Implementing and Operating Cisco Service Provider Network Core Technologies (SPCOR) v1.0 course material.
NEW QUESTION # 59
Refer to the exhibit.
An engineer is trying to implement BGP configuration on a router Which configuration error prevents the ASBR from establishing a BGP neighborship to a directly connected BGP speaker?
- A. The VPNv4 address family interferes with the 8GP IPv4 address family negotiations.
- B. The IPv4 address family configuration under neighbor configuration-mode must be removed.
- C. The TCP session parameters are not specified.
- D. The routing policy is absent for this Cisco IOS XR eBGP instance.
Answer: C
Explanation:
https://www.cisco.com/c/en/us/td/docs/routers/xr12000/software/xr12k_r41/routing/configuration/guide/routing_cg41xr12k_chapter1.html
NEW QUESTION # 60
What is the main purpose of EVPN?
- A. to provide scalable, interoperable multitenancy in data center and cloud networks
- B. to provide application-aware networking capabilities in a cloud environment
- C. to provide advanced security features for loT devices
- D. to provide simplified and flexible underlay connectivity for private VPN services
Answer: A
NEW QUESTION # 61
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. The different L3VPNs using the Internet access must not have IP overlaps internally
- B. Users m different VRFs cannot share the same outside global IP address
- C. Multiple address pools are needed for the same L3VPN because each site has a separate NAT
- D. The NAT table contains a field to identify the inside VRF of a translation
Answer: D
Explanation:
Egress PE NAT via a single centralized router allows L3VPN customers to access the internet. The NAT operation maintains a table that includes a field to identify the inside VRF of a translation. This is crucial for distinguishing between different customer VPNs that may use overlapping IP address spaces. By having this field, the NAT process can correctly associate each internal IP with its respective VRF and outside global IP address1. Reference: Centralized egress to internet, Egress PE NAT single centralized router.
NEW QUESTION # 62
You are writing an RPL script to accept routes only from certain autonomous systems Consider this code.
If you apply this code to BGP filters, which effect does the code have on your router?
- A. denies routes from AS 7070
- B. denies routes from AS 7007
- C. allows routes from AS 7077
- D. allows routes from AS 770
Answer: C
NEW QUESTION # 63
Refer to the exhibit:
Based on the show/ command output, which result m true after BGP session is established?
- A. No routes are accepted from the neighbor 192.168.2.2, nor are any routes advertised to it
- B. The IOS XR router does not advertise any routes to the neighbor 192.168.2.2,but it accepts all routes from 192.168.2.2.
- C. The IOS XR router advertises and accepts all routes to and from eBGP neighbor 192.168.2.2
- D. The IOS XR router advertises all routes to the neighbor 192.168.2.2, but it does not accept any routes from 192.168.2.2
Answer: A
NEW QUESTION # 64
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