Exambible offers free demo for 350-501 exam. "Implementing and Operating Cisco Service Provider Network Core Technologies", also known as 350-501 exam, is a Cisco Certification. This set of posts, Passing the Cisco 350-501 exam, will help you answer those questions. The 350-501 Questions & Answers covers all the knowledge points of the real exam. 100% real Cisco 350-501 exams and revised by experts!
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NEW QUESTION 1
Refer to the exhibit. Which statement supports QPPB implementation?
- A. QPPB policies affect only egress traffic.
- B. QoS policies rely exclusively on BGP attributes to manipulate traffic.
- C. QoS policies are identified in the MPLS forwarding table.
- D. QoS policies use BGP to gain full coverage on the network.
Answer: D
NEW QUESTION 2
Refer to the exhibit. Which statement about this configuration is true?
- A. It requires a dynamic Cisco MPLS TE path to be configured for the tunnel to run.
- B. It requires OSPF to also be running to have optimized Cisco MPLS TE tunnels.
- C. It is the configuration for the head-end router of a Cisco MPLS TE tunnel with segment routing.
- D. It requires an explicit Cisco MPLS TE path to be configured for the tunnel to run.
Answer: C
NEW QUESTION 3
Refer to the exhibit. An engineer is preparing to implement data plane security configuration. Which statement about this configuration is true?
- A. Router 2 is the router receiving the DDoS attack.
- B. Router 1 must be configured with uRPF for the RTBH implementation to be effective.
- C. Router 1 is the trigger router in a RTBH implementation.
- D. Router 2 must configure a route to null 0 for network 192.168.1.0/24 for the RTBH implementation to be complete.
Answer: A
NEW QUESTION 4
A network engineer must enable the helper router to terminate the OSPF graceful restart process if it detects any changes in the LSA.
Which command enables this feature?
- A. nsf ietf helper disable
- B. nsf cisco helper disable
- C. nsf ietf helper strict-lsa-checking
- D. nsf cisco enforce global
Answer: A
NEW QUESTION 5
An engineer working for telecommunication company needs to secure the LAN network using a prefix list.
Which best practice should the engineer follow when he implements a prefix list?
- A. An engineer must identify the prefix list with a number only.
- B. The final entry in a prefix list must be /32.
- C. An engineer must include only the prefixes for which he needs to log activity.
- D. An engineer must use nonsequential sequence numbers in the prefix list so that he can insert additional entries later.
Answer: D
NEW QUESTION 6
Refer to the exhibit. A network engineer is implementing a BGP protocol. Which effect of the local-as keyword in this configuration is true?
- A. It enables peer 192.168.1.2 to establish a BGP relationship with R1 using AS 65012 without additional configuration.
- B. It enables peer 192.168.1.2 to establish a BGP relationship with R1 using AS 65112 and the VPNv4 address family.
- C. It enables peer 192.168.1.2 to establish a BGP relationship with R1 using AS 65012 and the VPNv4 address family.
- D. It enables peer 192.168.1.2 to establish a BGP relationship with R1 using AS 65112 without additional configuration.
Answer: D
NEW QUESTION 7
After you analyze your network environment, you decide to implement a full separation model for Internet access and MPLS L3VPN services. For which reason do you make this decision?
- A. It enables EGP and IGP to operate independently.
- B. It enables you to choose whether to separate or centralize each individual service.
- C. It is easier to manage a system in which services are mixed.
- D. It requires only one edge router.
Answer: A
NEW QUESTION 8
Why do Cisco MPLS TE tunnels require a link-state routing protocol?
- A. The link-state database provides segmentation by area, which improves the path-selection process.
- B. The link-state database provides a data repository from which the tunnel endpoints can dynamically select a source ID.
- C. Link-state routing protocols use SPF calculations that the tunnel endpoints leverage to implement the tunnel.
- D. The tunnel endpoints use the link-state database to evaluate the entire topology and determine the best path.
Answer: D
NEW QUESTION 9
Which additional feature does MPLS DiffServ tunneling support?
- A. matching EXP and DSCP values
- B. PHB layer management
- C. using GRE tunnels to hide markings
- D. interaction between MPLS and IGP
Answer: B
NEW QUESTION 10
While implementing TTL security, you issue the PE(config-router-af)#neighbor 2.2.2.2 ttl-security hops 2 command.
After you issue this command, which BGP packets does the PE accept?
- A. to 2.2.2.2, with a TTL of 2 or more
- B. from 2.2.2.2, with a TTL of less than 2
- C. to 2.2.2.2, with a TTL of less than 253
- D. from 2.2.2.2, with a TTL of 253 or more
Answer: D
NEW QUESTION 11
Refer to the exhibit. A network engineer is implementing QoS services. Which two statements about the qos-group keyword on Cisco IOS XR are true? (Choose two.)
- A. It marks packets for end-to-end QoS policy enforcement across the network.
- B. QoS group marking occurs on the ingress.
- C. The QoS group numbering corresponds to priority level.
- D. QoS group can be used in fabric QoS policy as match criteria.
- E. It cannot be used with priority traffic class.
Answer: BD
NEW QUESTION 12
Refer to the exhibit. If the NetFlow configuration is updated to version 9, which additional piece of information can be reported?
- A. IPv4 flow information
- B. BGP AS information
- C. IPv6 flow information
- D. flow sequence numbers
Answer: C
NEW QUESTION 13
Refer to the exhibit. Which configuration prevents the OSPF neighbor from establishing?
- A. default-metric
- B. duplex
- C. network statement
- D. mtu
Answer: D
NEW QUESTION 14
Refer to the exhibit. An engineer is preparing to implement data plane security configuration. Which statement about this configuration is true?
- A. Router 1 and Router 2 advertise the route to 192.0.2.0 to all BGP peers.
- B. All traffic to 192.168.1.0/24 is dropped.
- C. All traffic is dropped.
- D. Router 1 drops all traffic with a local-preference set to 150.
Answer: A
NEW QUESTION 15
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. OSPF does not work with L2VPN services.
- B. The routing protocol network types are not compatible.
- C. A loopback with a /32 IP address has not been used.
- D. The xconnect statement has not been defined.
Answer: B
NEW QUESTION 16
Refer to the exhibit. What does this value mean when it is received in XML?
- A. It indicates a value assigned by a network administrator to tag a route.
- B. It indicates a break in a sequence.
- C. It means a data field is blank.
- D. It shows the ending of the script.
Answer: D
NEW QUESTION 17
Which BGP attribute is used first when determining the best path?
- A. origin
- B. AS path
- C. local preference
- D. weight
Answer: D
NEW QUESTION 18
Refer to the exhibit Which effect of this configuration is true?
- A. R1 can support a peer that is configured for LDP SSO/NSF as the peer recovers from an outage.
- B. R1can support a graceful restart operation on the peer, even if graceful restart is disabled on the peer.
- C. R1 can failover to any peer.
- D. R1 can failover only to a peer that is configured for LDF SSO/NSF.
Answer: A
NEW QUESTION 19
Refer to the exhibit. In which way does router R1 operate differently than router R2?
- A. R1 sends LSA types 5 and 7, while R2 sends type 1, 2, and 7 LSAs.
- B. R1 sends LSA type 2 only, while R2 sends type 1 and type 7 LSAs.
- C. R1 sends LSA type 2 only and R2 sends LSA type 1 only.
- D. R1 sends LSA types 1 and 2, while R2 sends type 1,2, and 7 LSAs.
Answer: D
NEW QUESTION 20
Refer to the exhibits. R1 and R2 are directly connected and IS-IS routing has been enabled between R1 and R2. R1 generates the above log message periodically. Based on this output, which statement is true?
- A. IS-IS neighbor authentication is failing for Level 2 PDUs only.
- B. IS-IS neighbor authentication is failing for Level 2 first and then for Level 1 PDUs.
- C. IS-IS neighbor authentication is failing for Level 1 and Level 2 PDUs.
- D. IS-IS neighbor authentication is failing for Level 1 PDUs only.
Answer: D
NEW QUESTION 21
What is the difference between SNMP and model- driven telemetry?
- A. SNMP uses the YANG data modeling language.
- B. Telemetry uses traps and inform messages to deliver data to a network administrator on a polling basis.
- C. Telemetry allows for modeled network data to be pushed to the network administrator on an as-needed basis.
- D. SNMP pushes network data to the network administrator whenever it is queried.
Answer: C
NEW QUESTION 22
Refer to the exhibits. Which information is provided for traceback analysis when this configuration is applied?
- A. source interface
- B. packet size distribution
- C. IP sub flow cache
- D. BGP version
Answer: C
NEW QUESTION 23
Refer to the exhibit. With which router does IOSXRV-1 have LDP session protection capability enabled but session hold up is not active?
- A. 192.168.0.4
- B. 192.168.0.5
- C. 192.168.0.1
- D. 192.168.0.3
Answer: B
NEW QUESTION 24
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?
- A. R1 drops all traffic that ingresses either interface that has a FIB entry that exits a different interface.
- B. R1 drops destination addresses that are routed to a null interface on the router.
- C. R1 permits asymmetric routing as long as the AS-PATH attribute entry matches the connected AS.
- D. R1 accepts source addresses on interface gigabitethernet0/1 that are private addresses.
Answer: A
NEW QUESTION 25
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