Valid 300-515 Practice Test Dumps with 100% Passing Guarantee [Dec-2023]
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Cisco 300-515 exam is one of the most in-demand certification exams in the networking industry. By passing 300-515 exam, professionals can demonstrate their expertise in implementing VPN services in service provider networks. Implementing Cisco Service Provider VPN Services certification validates the skills and knowledge required to configure and troubleshoot VPN technologies, which are critical for providing secure and reliable connectivity to customers. Professionals who pass 300-515 exam can enhance their career prospects and open up new opportunities in the service provider industry.
NEW QUESTION # 40
Which two statements about MPLS L3 VPN RDs are true? (Choose two.)
- A. They are represented as 64-bit values.
- B. E.They allow BGP to uniquely identify duplicate routes.
- C. They are represented as 32-bit values
- D. They enable OSPF to import and export routes into the global routing table of a router.
- E. They enable EIGRP to use address families to separate traffic between IPv4 and VPNv4.
Answer: A,B
NEW QUESTION # 41
Refer to the exhibit.
Which result occurs when PE1 learns a new MAC address and all three PEs are enabled with EVPN native?
- A. The MAC address is entered into the CAM table only if it is learned on the native VLAN.
- B. The MAC address is entered into the CAM table and is classified for use on the native VLAN
- C. The new MAC address is sent by BGP to PE2 and PE3 as a Type 2 BGP route.
- D. A system notification is sent to the network administrator that triggers the manual configuration of the new MAC address on PE2 and PE3.
Answer: C
Explanation:
Reference: https://www.cisco.com/c/en/us/td/docs/routers/asr9000/software/asr9k-r6-4/lxvpn/configuration/ guide/b-l2vpn-cg-asr9000-64x/b-l2vpn-cg-asr9000-64x_chapter_01011.html
NEW QUESTION # 42
How do Ethernet virtual circuits provide a way for service providers to maximize the use of VLAN tags?
- A. They separate the classification and forwarding concepts for VLAN tagging which allows multiple switch ports to use the same VLAN ID without it being configured globally.
- B. They add an additional tag to VLANs that allows up to two switch ports to use the same globally configured VLAN ID.
- C. They redefine the VLAN tag to include classification, forwarding, and QoS using MPLS labels and EXP bits
- D. They assign VLAN IDs to VTP domains so that the same VLAN ID are used more than once globally.
Answer: A
NEW QUESTION # 43 
What is the effect of this configuration?
- A. A Cisco MPLS TE tunnel is generated with 192.168.1.2 as the source IP address of router 1.
- B. Router 1 accepts multicast routes with a tag of 12:1
- C. The mroute table is cleared.
- D. An LSP virtual interface tunnel is created.
Answer: B
NEW QUESTION # 44
Which two frames can be configured on an Ethernet flow point? (Choose two.)
- A. with no tags
- B. with different class of service values
- C. with identical type of service value
- D. with different type of service values
- E. of a specific VLAN
Answer: A,E
Explanation:
Reference:
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/cether/configuration/xe-3s/asr903/16-5-1/b-ce-xe-16-5-asr900/trunk-efp-support.html
NEW QUESTION # 45
Refer to the exhibit.
If the two devices are operating normally, which two conclusions can you draw from this configuration?
(Choose two.)
- A. The PE-CE routes between the devices are being exchanged by OSPF
- B. CE1 must use OSPF to establish a neighbor relationship with PE1.
- C. PE1 labels the routes it learns from CE1 with the route-target 222:2 and shares them with its VPNv4 peers.
- D. PE1 labels the routes it learns from CE1 with the route-target 111:1 and shares them with its VPNv4 peers.
- E. CE1 is supporting CSC.
Answer: A,B
NEW QUESTION # 46
While configuring the VRF Selection feature, you get an error message after typing the below statement:
Router(config)#no vrf selection source 172.16.0.0 255.255.0.0 vrf VRF1
Which action caused this message?
- A. the entry of an inconsistent IP address and mask for VRF Selection
- B. an attempt to configure a VRF Selection table that does not exist
- C. an attempt to remove a VRF Selection entry that does not exist
- D. an attempt to configure a VRF instance on an interface that already has VRF Selection configured
Answer: C
Explanation:
Reference:
https://www.cisco.com/c/en/us/td/docs/ios/12_2/12_2sz/feature/guide/122szvrf.html
NEW QUESTION # 47
Refer to the exhibit.
Drag and drop the EVC configuration items from the left onto the correct descriptions on the right.
Answer:
Explanation:
Explanation
NEW QUESTION # 48
An engineer is investigating an EVPN traffic flow issue. Which type of traffic should the engineer allow in an EVPN Tree Service in order to fix this issue?
- A. known unicast from a leaf to another leaf
- B. unknown unicast from a leaf to another leaf
- C. known unicast from a root to another root
- D. multicast from a leaf to another leaf
Answer: C
Explanation:
Reference:
https://tools.ietf.org/html/draft-ietf-bess-evpn-etree-14
NEW QUESTION # 49
A network engineer is implementing Layer 3 MPLS VPNs on Cisco IOS/IOS XE PE routers.
Which PE-to- CE routing protocol requires a separate routing process to be created for each VRF?
- A. BGP
- B. OSPF
- C. RIPv2
- D. EIGRP
Answer: B
NEW QUESTION # 50
How does Layer 3 VPN traffic traverse an ISP network?
- A. Devices on the network use GRE tunnels to move traffic between VRFs.
- B. Devices on the network use LSAs to share routes between P routers in the network.
- C. Devices on the network use MPLS labels to move VPN traffic through the network.
- D. Devices on the network use MPLS labels to share VPN routes between P routers in the network.
Answer: C
NEW QUESTION # 51
Which kind of traffic is supported in an MVPN Extranet?
- A. PIM dense mode with Reverse Path Forwarding
- B. PIM dense mode
- C. PIM sparse mode
- D. Bidirectional PIM
Answer: C
Explanation:
Section: Layer 3 VPNs
Explanation/Reference: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipmulti_mvpn/configuration/xe-16/imc-mvpn- xe-16-book/imc-mc-vpn-extranet.html
NEW QUESTION # 52
An engineer needs to improve MPLS network management by implementing a set of tools to support the NOC engineers in troubleshooting network failures. Which feature should the engineer implement to check the connectivity of the MPLS LSP between the ingress and egress PE routers?
- A. MPLS-TP
- B. extended ping
- C. MPLS OAM
- D. LDP autodiscovery
Answer: C
Explanation:
Reference:
https://www.cisco.com/c/en/us/td/docs/routers/asr9000/software/asr9k_r5-3/mpls/configuration/guide/b-mpls-cg53x-asr9k/b-mpls-cg53x-asr9k_chapter_01000.html
NEW QUESTION # 53
An engineer needs to improve MPLS network management by implementing a set of tools to support the NOC engineers in troubleshooting network failures. Which feature should the engineer implement to check the connectivity of the MPLS LSP between the ingress and egress PE routers?
- A. MPLS-TP
- B. extended ping
- C. MPLS OAM
- D. LDP autodiscovery
Answer: C
Explanation:
Section: VPN Architecture
Explanation/Reference: https://www.cisco.com/c/en/us/td/docs/routers/asr9000/software/asr9k_r5-3/mpls/configuration/ guide/b-mpls-cg53x-asr9k/b-mpls-cg53x-asr9k_chapter_01000.html
NEW QUESTION # 54
While configuring the VRF Selection feature, you get an error message after typing the below statement:
Router(config)#no vrf selection source 172.16.0.0 255.255.0.0 vrf VRF1
Which action caused this message?
- A. the entry of an inconsistent IP address and mask for VRF Selection
- B. an attempt to configure a VRF Selection table that does not exist
- C. an attempt to remove a VRF Selection entry that does not exist
- D. an attempt to configure a VRF instance on an interface that already has VRF Selection configured
Answer: C
Explanation:
Reference: https://www.cisco.com/c/en/us/td/docs/ios/12_2/12_2sz/feature/guide/122szvrf.html
NEW QUESTION # 55
In Layer 3 MPLS VPN implementations, if some of the VPNv4 routes on one PE router do not appear on another PE router, what could be the problem?
- A. RT export and import configuration errors
- B. VRF name mismatch between the PE routers
- C. RD export and import configuration errors
- D. RD mismatch between the PE routers
Answer: A
Explanation:
Reference:
http://blog.initialdraft.com/archives/1537/
NEW QUESTION # 56
An engineer is troubleshooting an ongoing network outage. Which command should he use that can display the live log files for a process or service running on a network device?
- A. show run
- B. ping
- C. debug
- D. traceroute
Answer: C
NEW QUESTION # 57
In which configuration mode is a route distinguisher configured in a Cisco IOS XR router?
- A. config-bgp
- B. config-bgp-vrf
- C. config-bgp-af
- D. config-vrf-af
- E. config-vrf
Answer: B
NEW QUESTION # 58
Which option is used as a loop prevention mechanism to support MPLS VPN customers with multihomed sites?
- A. AS override
- B. BGP down bit
- C. sham links
- D. allowas-in
- E. SOO extended BGP community
Answer: E
NEW QUESTION # 59
A network architect is troubleshooting the L2TPv3 tunneling security due to the untrusted nature of the underlaying network. Which two L2TPv3 features does the architect deploy to address the ongoing issues?
(Choose two.)
- A. TCP MD5 authentication
- B. control message rate limiting
- C. control message hashing
- D. asymmetric mutual authentication with PSK
- E. CHAP authentication
Answer: C,E
Explanation:
Section: Layer 2 VPNs
NEW QUESTION # 60
Refer to the exhibit. An engineer is implementing an MPLS P2MP TE solution.
Which type of router can serve as the midpoint router and the tailend router in this P2MP TE network implementation?
- A. transit
- B. bud
- C. headend
- D. source
Answer: B
NEW QUESTION # 61
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