Nuage Networks 4A0-N02 問題練習

Question No : 1
Which of the following VSD service abstractions maps to a VRF instance in standard networking terminology?

• A.Domain
• B.Zone
• C.Subnet
• D.L2 domain

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Question No : 2
Which of the following statements about an egress QoS policy is FALSE?

• A.It assigns the child queue rate limiters to the queues.
• B.All 8 forwarding classes must be assigned to one or more queues.
• C.The sum of the GIR of the queues must be less than or equal to the GIR of the parent.
• D.The sum of the PIR of the queues must be less than or equal to the PIR of the parent.

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Question No : 3
Which of the following interfaces is not supported on VSC?

• A.API interface
• B.BGP interface
• C.OpenFlow interface
• D.XMPP interface

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Question No : 4
Which statement is FALSE regarding the vport?

• A.NSG vPorts are associated with access ports.
• B.There are four types of vPorts: VM, container, host and bridge.
• C.The NSG’s vPorts are typically host vPorts.
• D.One vPort can only belong to one subnet or L2 domain.

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Question No : 5
Which of the following is true about Nuage Networks NSG-E?

• A.It is a virtual appliance.
• B.It has 4 LAN ports at maximum.
• C.It supports dual WAN uplinks.
• D.It can only be deployed in standalone model.

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Question No : 6
During VNS automated site activation, the domain design and attributes are configured on which of the following device?

• A.VSD (Virtualized Services Directory)
• B.VSC (Virtualized Services Controller)
• C.NSG (Network Services Gateway)
• D.Installer PC

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Question No : 7
Which of the following is true regarding the certificate needed for VNS deployment?

• A.CA (Certificate Authority) runs as a service on the utility host.
• B.CA (Certificate Authority) only generates a certificate for the VS
• C.With the certificate, the communication between the VSD and VSC can be encrypted in IPsec.
• D.With the certificate, the communication between the VSC and NSG can be encrypted in TL

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Question No : 8
Which component of the VNS solution belongs to the data plane?

• A.VSD (Virtualized Services Directory)
• B.VSC (Virtualized Services Controller)
• C.VRS (Virtual Routing and Switching)
• D.NSG (Network Services Gateway)

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Question No : 9
Which of the following is NOT true regarding the certificate authority component on VSD?

• A.It provides secure communication (TLS) between NSGs and the VSD by an HTTPS proxy.
• B.It provides secure communication (TLS) between NSGs and the VS
• C.It provides secure communication (TLS) between NSGs and VRSs.
• D.It provides secure communication (TLS) between the VSC and VRSs.

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Question No : 10
Please, refer to the diagram.



If the two VMs are on the same subnet, what is MAC address X4?

• A.X4 = MAC1
• B.X4 = MAC4
• C.X4 = MAC11
• D.X4 = MAC12

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Question No : 11
Which of the following is false regarding overlay solutions?

• A.An ‘overlay network’ is a virtual abstraction built on top of an existing physical network.
• B.Both VXLAN and TRILL are host-centric overlay solutions.
• C.Nuage Networks VNS uses a VXLAN-based overlay solution.
• D.Overlay networks are totally transparent to their physical underlay network.

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Question No : 12
Which of the following is true regarding the VLAN-based VPN on Nuage Networks NSG?

• A.The NSGs use OpenFlow to exchange routing information between each other.
• B.The NSGs use VXLAN to exchange routing information between each other.
• C.The NSGs forward overlay traffic between each other by using an OpenFlow tunnel.
• D.The NSGs forward overlay traffic between each other by using a VXLAN tunnel.

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Question No : 13
Which of the following is true regarding the IPsec VPN between the NSGs?

• A.It encrypts and encapsulates the VXLAN traffic.
• B.The key for IPsec needs be manually configured on NSGs and must match each other.
• C.The IPsec tunnel can be directly terminated by VRS in a data center.
• D.To have IPsec VPN, an encryption function needs to be enabled at each individual NS

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Question No : 14
Which of the following features is NOT supported by Nuage Networks VNS?

• A.Service chaining
• B.Centralized control plane
• C.MPLS VPN
• D.IPsec encryption

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Question No : 15
Which of the following is NOT a function of Nuage Networks VNS?

• A.Automation of the enterprise WAN
• B.Virtualization of the branch office CPE
• C.Orchestration of cloud networks
• D.Providing unified policy across the data center and enterprise WAN

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