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  • Nokia 4A0-N01日常練習試験は2022年最新のに更新された65問あります [Q32-Q55]

Nokia 4A0-N01日常練習試験は2022年最新のに更新された65問あります [Q32-Q55]

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Nokia 4A0-N01日常練習試験は2022年最新のに更新された65問あります

有効問題を試そう！4A0-N01試験で実際の試験問題と解答


Nokia 4A0-N01 認定試験の出題範囲：

トピック出題範囲
トピック 1
  • ネットワーク仮想化が従来のデータセンターアーキテクチャの制限にどのように対処するかを説明する
トピック 2
  • さまざまなゲートウェイオプションを説明し、VCSで構成します
トピック 3
  • ユースケース-標準のレイヤー3ドメイン、セキュリティポリシー、転送ポリシーとサービスチェーン、レイヤー2ドメイン、バックホールVPLS
トピック 4
  • データセンターネットワークアーキテクチャ
  • クラウドコンピューティングとSDNの概要
  • データセンターでの仮想化
  • データセンターでのネットワーキング
トピック 5
  • 仮想化サービスコントローラー（VSC）、および仮想ルーティングおよびスイッチング（VRS）
トピック 6
  • クラウドオーケストレーションの概念と、さまざまなクラウド管理システムがNuageネットワークとどのように統合されているかを説明する
トピック 7
  • ユースケース-データセンターの相互接続、パブリックドメインアクセス用の共有IPアドレス、VXLANゲートウェイ、QoSおよび統計ポリシー、アンダーレイでのマルチキャスト、仮想マシン（VM）の移行
トピック 8
  • Nuage Networks VCSと、仮想化サービスディレクトリ（VSD）を含む各コンポーネントの機能について説明する
トピック 9
  • VCSを超えて-クラウドオーケストレーション、CMS統合、OpenStack統合、VMware vCloud統合、KubernetesとRedHat OpenShift統合、ネットワーク機能仮想化、Nokia Telco Cloud
トピック 10
  • NuageNetworks製品ポートフォリオの紹介
  • Nuage Networks仮想化サービスディレクトリ（VSD）
  • Nuage Networks7850仮想化サービスゲートウェイおよびVRSゲートウェイ

 

質問 32
What is NOT a function of VRS?

  • A. Libvirtd
  • B. DHCP and ARP proxy
  • C. Detecting VM events
  • D. VxLAN tunneling

正解: C

 

質問 33
For a packet transmitted using VXLAN encapsulation, where is the VXLAN header within the packet?

  • A. It is added between the UDP header and the payload.
  • B. It is added between the Layer 2 header and the Layer 3 IP header.
  • C. It is added between the Layer 3 IP header and the TCP/UDP transport layer header.
  • D. It is part of the Layer 2 Ethernet header, just like VLAN.

正解: C

解説:
Reference:
https://openct.net/wp-content/uploads/OpenCT-BaaT-Technical-Documentation-2020.pdf

 

質問 34
What statement is TRUE regarding multiple virtual IP addresses assigned to a single vPort?

  • A. One of the virtual IP addresses can be the same as the VM interface IP address.
  • B. All virtual IP addresses of a vPort must be in the same subnet.
  • C. Every virtual IP address must be associated with a virtual MAC, which differs from the VM interface MAC address.
  • D. The virtual IP addresses can be in a different subnet than the VM interface IP address.

正解: D

解説:
Explanation
If you have only one public IP address available, and you want to host multiple servers, use aVIP.

 

質問 35
What is the difference between host vPort and bridge vPort?

  • A. A host vPort only supports one VLAN, while a bridge vPort can be configured with multiple VLANs.
  • B. A host vPort requires static MAC address configuration, while a bridge vPort learns MAC addresses dynamically.
  • C. A host vPort is provisioned on VRS-G, while a bridge vPort is provisioned on VSG.
  • D. A host vPort is provisioned for VLAN traffic, while a bridge vPort is for VxLAN traffic.

正解: C

解説:
Explanation
Bridge vPort hosted in Nuage VSG/VSA Gateways
Software, VRS and VRS-G hosted vPort

 

質問 36
Which of the following is NOT Nuage Networks metadata required when creating a virtual machine?

  • A. VLAN ID
  • B. Enterprise
  • C. Subnet
  • D. User

正解: A

解説:
Reference:
https://nuagenetworks.github.io/2016/03/25/Migrating-ESXi-Workloads-to-Nuage.html

 

質問 37
If we compare a Nuage Virtual Service Node to a physical service router, which module is VSC mapped to?

  • A. Switch fabric
  • B. CPU module
  • C. Line card
  • D. Internal clock

正解: A

解説:
The switching fabric is independent of the bus technology and infrastructure used to move data between nodes and also separate from the router. The term is sometimes used to mean collectively all switching hardware and software in a network.
Reference: https://searchstorage.techtarget.com/definition/switching-fabric

 

質問 38
What statement is TRUE regarding the workflow for live migration of a virtual machine with Nuage VCS?

  • A. Both the source and destination hypervisor's VRS agents notify the VSC of the VM migration.
  • B. CMS (if used) is not notified of the VM migration.
  • C. VSD is not notified of the VM migration.
  • D. Only the destination hypervisor's VRS agent notifies the VSC of the VM migration.

正解: A

 

質問 39
What statement about policy groups is FALSE?

  • A. Several vPorts ( in the same or different subnets) can be associated with one policy group.
  • B. For an ingress security policy, if a hardware endpoint policy group is chosen as the source, the
    destination must also be hardware endpoints
  • C. One vPort can be associated with multiple policy groups.
  • D. The policy group is the syntactic equivalent of the security group used by cloud management
    systems.

正解: A

 

質問 40
Refer to the diagram.

What is the correct sequence of events for a VM to be instantiated, and for its required network connectivity to
be created with the Nuage VCS solution? a. Network domain and policy templates are defined on VSD. b.
VSC queries VSD on network service and policies. c. VSD provides VSC with network service and policies.
d. VRS agent informs VSC of the new VM placement. e. VSC deploys policy to applicable VRS agents. f. VM
instantiated on the hypervisor.

  • A. f->d->b->a>c->-e
  • B. a->f->d->b->c->-e
  • C. a->b->c->d->e->f
  • D. a->b->c->f->d->-e

正解: A

 

質問 41
What statement about virtual switches is FALSE?

  • A. A virtual switch is typically implemented within the hypervisor so that the network is extended onto the
    server.
  • B. Typically, virtual switches are as capable as physical switches, eg: LAG, hardware-based QoS.
  • C. Virtual switches are VLAN capable.
  • D. If a virtual switch is not on the hypervisor, all traffic will go out of the physical NIC.

正解: D

 

質問 42
If we compare a Nuage Virtual Service Node to a physical service router, which module is VSC mapped to?

  • A. Switch fabric
  • B. CPU module
  • C. Line card
  • D. Internal clock

正解: A

解説:
Explanation
The switching fabric is independent of the bus technology and infrastructure used to move data between nodes
and also separate from the router. The term is sometimes used to mean collectively all switching hardware and
software in a network.

 

質問 43
Refer to the diagram.

What is the correct sequence of events for a VM to be instantiated, and for its required network connectivity to be created with the Nuage VCS solution? a. Network domain and policy templates are defined on VSD.
b. VSC queries VSD on network service and policies. c. VSD provides VSC with network service and policies. d. VRS agent informs VSC of the new VM placement. e. VSC deploys policy to applicable VRS agents. f. VM instantiated on the hypervisor.

  • A. f->d->b->a>c->-e
  • B. a->f->d->b->c->-e
  • C. a->b->c->d->e->f
  • D. a->b->c->f->d->-e

正解: A

 

質問 44
The ML2 plug-in is part of which OpenStack project?

  • A. Nova
  • B. Ironic
  • C. Heat
  • D. Neutron

正解: D

 

質問 45
To auto-instantiate services on a 7750 DCI, which protocol needs to be enabled between the 7750 SR and VSD?

  • A. Openflow
  • B. SNMP
  • C. XMPP
  • D. BGP EVPN

正解: C

解説:
Explanation/Reference:

 

質問 46
Which of the following is NOT a goal of NFV?

  • A. Faster time-to-market for new services
  • B. Efficiency through automation
  • C. Reduce equipment cost
  • D. Increase network bandwidth

正解: A

 

質問 47
For a packet transmitted using VxLAN encapsulation, where VxLAN header within this packet.

  • A. It is added between the Layer 3 IP header and the TCP/UDP transport layer header.
  • B. It is added between the UDP header and the payload
  • C. It is added between the Layer 2 header and the Layer 3 IP header.
  • D. It is part of the Layer 2 Ethernet header, just like VLAN.

正解: B

 

質問 48
What function is NOT supported on the Nuage 7850 VSG?

  • A. Cloud orchestration
  • B. Hardware VXLAN/VLAN gateway
  • C. VSC functionality
  • D. Top of Rack switch/Leaf router

正解: A

 

質問 49
What does VSD stand for?

  • A. Virtualized Services Directory
  • B. Virtualized Services Definition
  • C. Virtualized Services Domain
  • D. Virtualized Services Description

正解: A

解説:
Nuage Virtual Service Directory (VSD)

 

質問 50
Which protocol is used for VSC federation?

  • A. XMPP
  • B. BGP VPN-IPv4
  • C. Openflow
  • D. BGP EVPN

正解: C

解説:
The VSC uses standard protocols to peer with existing networks, allowing it to discover full network topology and reachability. Through Openflow, it distributes relevant switching and routing information to hypervisors within the virtualized datacenter network.

 

質問 51
What statement about virtual switches is FALSE?

  • A. A virtual switch is typically implemented within the hypervisor so that the network is extended onto the server.
  • B. Typically, virtual switches are as capable as physical switches, eg: LAG, hardware-based QoS.
  • C. Virtual switches are VLAN capable.
  • D. If a virtual switch is not on the hypervisor, all traffic will go out of the physical NIC.

正解: D

 

質問 52
What information is included in the VTEP (virtual tunnel endpoint) forwarding table?

  • A. The remote VM MAC addresses, the VXLAN ID (VNI) and the local VTEP.
  • B. The remote VM IP addresses, the VXLAN ID (VNI) and the local VTEP.
  • C. The remote VM IP addresses, the VXLAN ID (VNI) and the remote VTEP.
  • D. The remote VM MAC addresses, the VXLAN ID (VNI) and the remote VTEP.

正解: C

解説:
IP address is the remote VTEP IP address or the IP Multicast group address Reference: https://sites.google.com/site/amitsciscozone/home/data-center/vxlan

 

質問 53
Which VSD component provides a south-bound interface for communication with the VSC?

  • A. VSD Mediator
  • B. Statistics Engine
  • C. Policy Management Engine
  • D. RESTful API

正解: A

解説:
Explanation
Explanation:
VSD mediator is a VSD Southbound interface used for communication to the VSC.
Reference: https://matscloud.blogspot.com/2017/06/nuage-networks-vsp-deep-dive.html

 

質問 54
What three main components comprise the Nuage Networks VCS solution?

  • A. VSD, VSC, and VRS
  • B. VNS, VRS, and VSG
  • C. VSD, VSC, and VSG
  • D. VNS, VSC, and VSG

正解: A

解説:
Explanation/Reference:
Reference: https://www.nuagenetworks.net/products/virtualized-cloud-services/

 

質問 55
......

テストエンジンに練習4A0-N01テスト問題：https://www.goshiken.com/Nokia/4A0-N01-mondaishu.html

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