[2024年01月04日] 300-515 PDF問題とテストエンジンには87問があります
更新された試験エンジンは300-515試験無料お試しサンプル365日更新されます
この試験は、サービスプロバイダー環境で働いており、少なくとも3〜5年のVPNテクノロジーの経験があるIT専門家向けです。この認定は、サービスプロバイダー環境でVPNサービスの展開、構成、および保守を担当するネットワークエンジニア、ネットワークアーキテクト、およびネットワーク管理者にとって特に役立ちます。 Cisco 300-515試験は、ITの専門家が自分のスキルを向上させ、キャリアの見通しを向上させる絶好の機会です。
質問 # 23
How do Ethernet virtual circuits provide a way for service providers to maximize the use of VLAN tags?
- A. They assign VLAN IDs to VTP domains so that the same VLAN ID are used more than once globally.
- B. They redefine the VLAN tag to include classification, forwarding, and QoS using MPLS labels and EXP bits
- C. They add an additional tag to VLANs that allows up to two switch ports to use the same globally configured VLAN ID.
- D. 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.
正解：D
質問 # 24
Refer to the exhibit.
An organization is running H-VPLS on a network comprising four routers in a hub-and-spoke topology with R1 as the hub An engineer added a new spoke with multiple VCs to the network, and now traffic cannot flow properly How should the engineer update the configuration on R1 to correct the problem?
- A. Disable Cisco Discovery Protocol to allow for neighbor discovery
- B. Disable spanning tree to allow loops to occur within the hub-and-spoke topology.
- C. Disable Cisco Discovery Protocol to allow MPLS to share labels between the designated spokes
- D. Disable split horizon to allow multiple VCs per spoke
正解：D
質問 # 25
Refer to the exhibit.
A customer carrier running MPLS VPN wants to utilize a backbone carrier to forward traffic and exchange VPNv4 prefixes between the two customer carrier networks depicted. Which two sets of routers must establish MP-iBGP sessions? (Choose two.)
- A. BB-PE-A and BB-PE-B
- B. BB-PE-A and CC-PE-B
- C. CC-PE-A and BB-PE-A
- D. CC-PE-A and CC-PE-B
- E. CC-PE-A and CC-P-A
- F. BB-PE-A and BB-P-A
正解：A、D
解説：
Reference:
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/mp_ias_and_csc/configuration/12-2sx/mp-ias- and-csc-12-2sx-book/mp-carrier-bgp.html
質問 # 26
What do EVPN single-active and all-active have in common?
- A. They are default gateway redundancy options.
- B. They are used to provide single connection from a CE device to a service provider.
- C. They are both roles that a designated router can take when MPLS is used with EVPN.
- D. They are multihoming mechanisms used for CE devices.
正解：C
質問 # 27
Refer to the exhibit.
A network operator is implementing EVPN IRB on PE1. Which two command placements enable the advertisement of Type 2 routes and what information do Type 2 routes contain? (Choose two.)
- A. Type 2 routes contain MAC/IP information.
- B. Type 2 routes contain Ethernet Auto-Discovery information.
- C. The operator adds in "host-routing" under the BVI651 interface.
- D. The operator adds in "host-routing" under the VRF EVPN.
- E. Type 2 routes contain inclusive source-specific multicast route information.
正解：A、C
解説：
Reference: https://www.cisco.com/c/en/us/td/docs/iosxr/ncs5500/vpn/61x/b-ncs5500-l2vpn-configuration-guide-61x/b-ncs5500-l2vpn-configuration-guide-61x_chapter_01010.html
質問 # 28
What must match in the EVPN and L2VPN configuration mode when configuring EVPN native in a router?
- A. bridge domain
- B. address family
- C. interface
- D. EVI
正解：D
解説：
Reference:
https://www.cisco.com/c/en/us/td/docs/routers/asr9000/software/asr9k-r6-2/lxvpn/configuration/ guide/b-l2vpn-cg-asr9000-62x/b-l2vpn-cg-asr9000-62x_chapter_01011.html
質問 # 29
Refer to the exhibit.
Router 1 is a route reflector client within a service provider core PE1 cannot see VPNv4 routes received from the ASBR PE1 only has an iBGP relationship with Router 1. Which action resolves this issue?
- A. Activate PE1 as a neighbor under the IPv4 address family.
- B. Configure PE1 to have an eBGP relationship with Router 1.
- C. Configure Router 1 as a route reflector for PE1 under the VPNv4 address family.
- D. Enable BGP default ipv4-unicast
正解：C
質問 # 30
While troubleshooting an AToM L2VPN service, a network consultant notices that the AC Layer 2 encapsulations are different. Which action should the consultant take in order to make the MPLS L2VPN work?
- A. nonrouted interworking setup to properly translate only the Layer 2 information from the AC
- B. interworking IP configuration on both the AC terminations on the PEs
- C. tag-rewrite on the ingress and egress PE router
- D. interworking IP configuration on the last PE router before label disposition
正解：B
質問 # 31
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.
正解：C
質問 # 32 
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. The mroute table is cleared.
- C. An LSP virtual interface tunnel is created.
- D. Router 1 accepts multicast routes with a tag of 12:1
正解：D
質問 # 33
Refer to the exhibit.
The CE router has established a BGP peering with the PE router, and the CE will use the core infrastructure of the PE as a backbone carrier to support CSC. Which additional task can you perform to complete the configuration?
- A. Change the rd value to 65001:65001 under the VRF section of the PE router.
- B. Configure the address-family ipv4 labeled-unicast command under the neighbor configuration of the CE router for the PE.
- C. Configure static routing on the CE router.
- D. Configure OSPF on the PE router.
正解：D
質問 # 34
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. unknown unicast from a leaf to another leaf
- B. known unicast from a root to another root
- C. multicast from a leaf to another leaf
- D. known unicast from a leaf to another leaf
正解：B
解説：
Reference: https://tools.ietf.org/html/draft-ietf-bess-evpn-etree-14
質問 # 35
Refer to the exhibit. Which statement about this output is true?
- A. The router IP 192.168.1.2 sent an implicit null, and the output is from the penultimate LSR.
- B. The adjacent LSR router configured mpls label range 0.
- C. The zero in the second column is the normal behavior of an egress router LSR.
- D. The adjacent router is the egress LSR and has mpls ldp explicit-null configured.
正解：D
質問 # 36
Refer to the exhibit.
An engineer has configured router 1 to provide shared services to clients behind router 2. To complete the implementation so that routes from router 1 are accepted, what must the engineer configure on router 2?
- A. with export route targets 201:202 and 401:402
- B. with export route targets 301:202 and 101:102
- C. with import route targets 101:102 and 202:201
- D. with import route targets 201:202 and 401:402
正解：D
質問 # 37
Refer to the exhibit. Which statement describes the result of this BGP configuration?
- A. R1 operates using IPv4 and VPNv4 address families.
- B. R1 establishes a VPNv4 eBGP relationship with neighbor 192.168.1.1.
- C. R1 operates on IPv6 only because the bgp default ipv4-unicast command is missing.
- D. R1 establishes an iBGP relationship with peer 192.168.1.1.
正解：D
質問 # 38 
Refer to the exhibit. Which statement about this configuration is true?
- A. Router 1 has statically defined thresholds for data MDT.
- B. The MVRF must be configured on each router on the customer and service provider networks.
- C. 192.168.1.2 must be reachable by all routers participating in the mvpn-intranet MVRF.
- D. Router 1 will accept multicast routes with a route-target of 12:1.
正解：D
解説：
Section: Layer 3 VPNs
質問 # 39
An engineer is investigating an MPLS LDP issue. Which command should an engineer use on a Cisco IOS XE device to display the contents of the LFIB?
- A. show mpls ldp bindings
- B. show mpls ldp labels
- C. show mpls forwarding-table
- D. show mpls ldp neighbors
正解：C
解説：
Reference:
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/mpls/command/mp-cr-book/mp-s2.html
質問 # 40
Which BGP feature causes to replace the AS number of originating router with the AS number of the sending router?
- A. confederations
- B. route dampening
- C. route reflectors
- D. AS override
正解：D
質問 # 41
Which two frames can be configured on an Ethernet flow point? (Choose two.)
- A. with identical type of service value
- B. with no tags
- C. with different type of service values
- D. with different class of service values
- E. of a specific VLAN
正解：B、E
質問 # 42
An engineer noticed that PE3 is failing to accept IPv6 traffic information from PE1 The engineer confirmed that both PE3 and PE1 routers are configured accurately with IPv6 protocol To eliminate IPv6 traffic loss issue, which action must the engineer take to solve the problem?
- A. Configure 6PE forwarding between 6PE routers based on the IPv6 header
- B. Disable 6PVE that provides local IPv6 reachability over MPLS.
- C. Configure 6PE that provides global IPv6 reachability over IPv4 MPLS
- D. Allow PE routers use the MP-iBGP extensions in the IPv6 network configuration to exchange IPv6 reachability information.
正解：C
質問 # 43
Which optional information can be included with an IPv6 ping to support the troubleshooting process?
- A. destination MAC address
- B. IPv6 hostname
- C. IPv4 IP address
- D. source MAC address
正解：B
解説：
Reference: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipv6/configuration/xe-3s/ipv6-xe-36s-book/ip6- mng-apps.html
質問 # 44
Refer to the exhibit.
Which statement about this configuration is true?
- A. Router 1 has statically defined thresholds for data MDT.
- B. The MVRF must be configured on each router on the customer and service provider networks.
- C. 192.168.1.2 must be reachable by all routers participating in the mvpn-intranet MVRF.
- D. Router 1 will accept multicast routes with a route-target of 12:1.
正解：D
質問 # 45
Which mechanism reduces the network flooding caused by host ARP learning behavior?
- A. ARP suppression
- B. BPDU guard
- C. root guard
- D. storm control
正解：A
解説：
Section: Layer 2 VPNs
Explanation/Reference: https://www.cisco.com/c/en/us/products/collateral/switches/nexus-7000-series-switches/white- paper-c11-735015.html
質問 # 46
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Cisco 300-515試験に合格するためには、候補者はサービスプロバイダー環境でVPNソリューションを設計、実装、トラブルシューティングする能力を証明する必要があります。VPNv4、MP-BGP、L2TPv3などのVPN技術を構成および管理できる必要があります。さらに、候補者はIPSec、SSL、TLSなどのセキュリティプロトコル、およびQoSやトラフィックエンジニアリングなどのVPN関連技術についての確固たる理解を持っている必要があります。
Cisco 300-515試験は、Implementing Cisco Service Provider VPN Servicesとしても知られており、サービスプロバイダーネットワークでVPNサービスを実装する知識とスキルを証明するための認定試験です。この試験は、Cisco Certified Specialist - Service Provider VPN Services Implementation認定トラックの一部であり、VPN技術とサービスに関する経験がある人を対象としています。
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