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Cisco 350-501 exam consists of 60-70 questions and has a time limit of 120 minutes. 350-501 exam is available in English and Japanese and can be taken at any Pearson VUE testing center. Candidates can prepare for the exam by attending Cisco's official training courses or by self-study using Cisco's learning resources. 350-501 exam is rigorous, and candidates must have an in-depth understanding of service provider network technologies to pass. Successful candidates will have demonstrated their ability to implement and operate service provider network infrastructure efficiently and effectively, making them valuable assets in the service provider industry.
NEW QUESTION # 331
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)
B)
C)
- A. Option B
- B. Option C
- C. Option A
Answer: A
NEW QUESTION # 332
Refer to the exhibit.
Refer to the exhibit. Router P4 and P5 receive the 0.0.0.0/0 route from the ISP via eBGP peering P4 is the primary Internet gateway router, and P5 is its Backup. P5 is already advertising a default route into OSPF domain. Which configuration must Be applied to P4 so that advertises a default route Into OSPF and Becomes me primary internet gateway for the network?
- A. Option D
- B. Option C
- C. Option A
- D. Option B
Answer: B
NEW QUESTION # 333
Which module refers to the network automation using Ansible?
- A. the losxr_logging module to run debugging for seventy levels 2 to 5
- B. the iosxr_system module to collect facts from remote devices
- C. the iosxr_command module to issue run commands on remote devices
- D. the iosxr_user module to manage banners for users in the local database
Answer: C
Explanation:
The iosxr_command module in Ansible is used to issue commands on remote devices running Cisco IOS XR.
This module allows network administrators to execute operational commands on Cisco routers and switches, which is essential for tasks such as retrieving information or applying configuration changes. It is a part of network automation using Ansible, which simplifies the management of network devices by automating repetitive tasks.
Implementing and Operating Cisco Service Provider Network Core Technologies (SPCOR) course and study guide
NEW QUESTION # 334
Refer to the exhibit. The CE router is peering with both PE routers and advertising a public prefix to the internet. Routing to and from this prefix will be asymmetric under certain network conditions, but packets must not be discarded. Which configuration must an engineer apply to the two PE routers so that they validate reverse packet forwarding for packets entering their Gi2 interfaces and drop traffic from the RFC1918 space?
- A. ip verify unicast source reachable-via any allow-default
interface GigabitEthernet 2 - B. ip verify unicast source reachable-via rx allow-default
- C. interface GigabitEthernet 2
ip verify unicast source reachable-via rx - D. ip verify unicast source reachable-via any
Answer: D
NEW QUESTION # 335
What is the purpose of RSVP tear messages?
- A. to reuse router resources for other reservation requests
- B. to confirm successful end-to-end resource allocation
- C. to inform the headend router of LSP issues
- D. to notify the tail-end router of resource unavailability on the transit router
Answer: A
Explanation:
RSVP tear messages are used to clear the PATH or RESERVATION states on a router instantaneously, which enables the reuse of resources on the router for other requests. This is essential in MPLS Traffic Engineering where efficient resource management is crucial for maintaining network performance and stability.
The explanation is based on the information provided in the Cisco Press article on MPLS TE Theory
NEW QUESTION # 336
Drag and drop the LDP features from the left onto the correct usages on the right.
Answer:
Explanation:
Explanation
1: graceful restart 2: IGP synchronization 3: session protection 4: targeted-hello accept
NEW QUESTION # 337
What Is one of the differences between Ansible and Chef?
- A. Chef requires the use of Windows in the environment and Ansible requires Linux.
- B. Chef is highly scalable and Ansible is highly secure.
- C. Ansible uses YAML and Chef uses Ruby.
- D. Ansible uses Ruby and Chef uses Python.
Answer: C
NEW QUESTION # 338
Refer to the exhibit.
R101 is peering with R102 and R103, and R201 is peering with R202 and R203 using iBGP Labeled Unicast address families. The OSPF area 0 border routers are in a full iBGP Labeled Unicast mesh, and VPNv4 routes are exchanged directly between PE routers R101 and R201 through iBGP Which address family-level configuration must be applied on ABR R102 on ABR R102 to support a Unified MPLS routing architecture with partitioned IGP domains?
- A.
- B.
- C.
- D.
Answer: C
NEW QUESTION # 339
Refer to the exhibit.
Router 4 is added to the network and must be in the same area as router 1. Which NET should the engineer assign?
- A. 49.0111.0000.0000.0001.00
- B. 49.0011.0000.0000.0002.00
- C. 49.0011.0000.0000.0003.00
- D. 49.0001.0000.0000.0004.00
Answer: A
Explanation:
Router 4 must be in the same area as Router 1, so it should have the same area address which is "49.0111". The system ID can be different to uniquely identify the router in that area, but since there is no option with a different system ID and the same area address, option B is correct as it has both the same area address and system ID as Router 1. Reference := Cisco
NEW QUESTION # 340
Refer to the exhibit. An engineer configured R6 as the headend LSR of an RSVP-TE LSP to router XR2, with the dynamic path signaled as R6-R2-R5-XR2. and set the OSPF cost of all links to 1. MPLS autotunnel backup Is enabled on all routers to protect the LSP. Which two NNHOP backup tunnels should the engineer use to complete the implementation? (Choose two.)
- A. The R6 backup tunnel path R6-R1-R4-R5.
- B. The R2 backup tunnel path R2-R1-R4-XR1-XR2.
- C. The R6 backup tunnel path R6-R1-R2.
- D. The R2 backup tunnel path R2-R5 across the alternate link.
- E. The R6 backup tunnel path R6-R2-R5
Answer: A,B
NEW QUESTION # 341
Refer to the exhibit. IS-IS is running as the IGP in the network, and the routers have established BGP peering relationships. Because the network carries mission-critical data, the routers must be able to operate with minimal downtime. The networking team decided to implement graceful restart to improve network stability. Which action must the team take so that all BGP peers can use their BGP routes during a failover?
- A. Mutually redistribute IS-IS and BGP.
- B. Implement MPLS within the network with Cisco Express Forwarding enabled.
- C. Deploy BGP with traffic steering to provide automated paths during a failover.
- D. Enable NSF globally on all BGP peers.
Answer: D
Explanation:
Graceful Restart (GR) with Non-Stop Forwarding (NSF) ensures that during a router failover or software upgrade, BGP peers retain their routing table and continue forwarding traffic based on preexisting routes. By enabling NSF globally on all BGP peers, the routers can maintain their BGP routes during a failover, reducing downtime and ensuring the stability of mission-critical data traffic. This approach minimizes the impact of control plane disruptions on the data plane.
NEW QUESTION # 342
Which configuration enables BGP FlowSpec client function and installation of policies on all local interfaces?
- A.
- B.
- C.
- D.
Answer: C
NEW QUESTION # 343
Drag and drop the methods of Cisco MPLS TE tunnel traffic assignment from the left onto their characteristics on the right.
Answer:
Explanation:
NEW QUESTION # 344 
Refer to the exhibit. A global company plans to implement BGP at its newest location to provide connectivity to other offices. The global infrastructure of the company is a multivendor environment. An engineer must review the BGP core configurations at headquarters to determine if they can be repurposed at the new location. The engineer copied this JSON script for review. What is the effect of the script?
- A. It configures BGP with neighbor 192.168.1.2 residing in AS 65514.
- B. It configures a VRF named cisconode1 and a BGP instance using the VPNv4 address family.
- C. It configures BGP on the device and inserts 192.168.1.0/24 into the BGP table using the origin AS
65514. - D. It sets the BGP router-ID to 192.168.1.2 and sets the AS of the router to 65514.
Answer: A
Explanation:
The JSON script in the exhibit configures BGP with a neighbor at IP address 192.168.1.2 that resides in AS (Autonomous System) 65514. In the script, <bgpPeerP addr="192.168.1.2"> specifies the neighbor's IP address, and <bgpAsP asn="65514"/> indicates the AS number of the neighbor.
For more information, you can refer to the "Implementing and Operating Cisco Service Provider Network Core Technologies" training, which covers topics such as configuring, verifying, troubleshooting, and optimizing Service Provider IP network infrastructures, including BGP configurations
NEW QUESTION # 345
Refer to the exhibit:
Which effect of this configuration is true?
- A. R1 can support a graceful restart operation on the peer, even if graceful restart is disabled on the peer
- B. R1 can failover to any peer
- C. R1 can failover only to a peer that is configured for LDP SSO/NSF
- D. R1 can support a peer that is configured for LDP SSO/NSF as the peer recovers from an outage
Answer: C
NEW QUESTION # 346
A network operator with an employee ID 4531 26:504 must implement a PIM-SSM multicast configuration on the customer's network so that users in different domains are able to access and stream live traffic. The IGMP version must be enabled to support the SSM implementation. Which action must the engineer perform on R1 to complete the SSM implementation?
- A. Option D
- B. Option C
- C. Option A
- D. Option B
Answer: B
Explanation:
To implement a PIM-SSM (Protocol Independent Multicast - Source Specific Multicast) configuration for streaming live traffic across different domains, the network operator must ensure that IGMPv3 (Internet Group Management Protocol version 3) is enabled on R1. IGMPv3 is required for SSM because it allows the receiver to specify the source IP address of the desired traffic, which is a key feature of SSM. The operator would configure IGMPv3 on the interfaces that connect to the users who will be accessing the multicast stream. Additionally, PIM-SSM must be enabled on the router, and the multicast sources and groups must be properly defined.
NEW QUESTION # 347
Refer to the exhibit. A large organization is merging the network assets of a recently acquired competitor with one of its own satellite offices in the same geographic area. The newly acquired network is running a different routing protocol than the company's primary network. As part of the merger, a network engineer implemented this route map. Which task must the engineer perform to complete the implementation?
- A. Enable metric-style wide to allow the use of extended metrics from the protocols.
- B. Attach the route map to an IS-IS network statement to advertise the routes learned on this interface to IS-IS.
- C. Attach the route map to the redistribution command to manipulate the routes as they are shared.
- D. Configure an additional route map sequence to override the implicit deny at the end of the route map.
Answer: C
NEW QUESTION # 348
Refer to the exhibit.
A network engineer is deploying SNMP configuration on client's routers. Encrypted authentication must be included on router 1 to provide security and protect message confidentially. Which action should the engineer perform on the routers to accomplish this task?
- A. snmp-server host 192.168.0.254 informs version 3 auth testuser config.
- B. snmp-server group group 1 v3 auth.
- C. snmp-server community public
- D. snmp-server user testuser group 1 remote 192.168.0.254 v3 auth md5 testpassword
Answer: D
NEW QUESTION # 349
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 group v3 authnopriv ro
- B. snmp-server user Cisco group v3 auth sha Cisco123 priv aes 256 Cisco1234
- C. snmp-server user Cisco group v3 auth md5 Cisco123 authpriv aes 192 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,C
NEW QUESTION # 350
Drag and drop the methods of Cisco MPLS TE tunnel traffic assignment from the left onto their characteristics on the right.
Answer:
Explanation:
NEW QUESTION # 351
Which statement about the Cisco MPLS TE forwarding adjacency feature is true?
- A. It enables the MPLS core to use EIGRP as the routing protocol
- B. It enables the Cisco MPLS TE tunnel to be advertised into the running IGP.
- C. It enables the tailend router to advertise routes to the headend router over the tunnel
- D. It enables the headend and tailend routers to establish a bidirectional tunnel
Answer: B
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.
NEW QUESTION # 352
Refer to the exhibit. OSPF is configured within the core of the service provider network.
Connectivity between CE1 and CE2 is provided through the core. An engineer is implementing MPLS to support traffic exchange between customer sites using Layer 3 VPNs. Which task must the engineer perform to secure VPN traffic to meet the SLA of continuous uptime?
- A. Implement BGP as the PE-CE routing protocol to support labels for faster data transfer
- B. Implement IS-IS in the core to segregate critical traffic between different areas
- C. Implement OSPF stub routing to eliminate routes from being shared over the VPN
- D. Implement LDP sync to prevent packet loss
Answer: D
Explanation:
LDP (Label Distribution Protocol) sync ensures that IGP (OSPF in this case) does not advertise a route into the network until the LDP label bindings for that route are established. This prevents blackholing of traffic during convergence events or label setup. By synchronizing LDP with OSPF, MPLS Layer 3 VPN traffic can flow seamlessly without interruptions, meeting SLA requirements for continuous uptime.
NEW QUESTION # 353
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