File Info
| Exam | Nuage Networks Virtualized Network Services (VNS) Fundamentals |
| Number | 4A0-N02 |
| File Name | Nuage Networks.4A0-N02.CertKiller.2019-11-14.24q.vcex |
| Size | 239 KB |
| Posted | Nov 14, 2019 |
| Download | Nuage Networks.4A0-N02.CertKiller.2019-11-14.24q.vcex |
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Demo Questions
Question 1
Which of the following is true regarding the IPsec VPN between the NSGs?
- It encrypts and encapsulates the VXLAN traffic.
- The key for IPsec needs be manually configured on NSGs and must match each other.
- The IPsec tunnel can be directly terminated by VRS in a data center.
- To have IPsec VPN, an encryption function needs to be enabled at each individual NSG.
Correct answer: C
Question 2
Which of the following is true regarding the VLAN-based VPN on Nuage Networks NSG?
- The NSGs use OpenFlow to exchange routing information between each other.
- The NSGs use VXLAN to exchange routing information between each other.
- The NSGs forward overlay traffic between each other by using an OpenFlow tunnel.
- The NSGs forward overlay traffic between each other by using a VXLAN tunnel.
Correct answer: D
Question 3
Which of the following is false regarding overlay solutions?
- An ‘overlay network’ is a virtual abstraction built on top of an existing physical network.
- Both VXLAN and TRILL are host-centric overlay solutions.
- Nuage Networks VNS uses a VXLAN-based overlay solution.
- Overlay networks are totally transparent to their physical underlay network.
Correct answer: B
Question 4
Please, refer to the diagram. If the two VMs are on the same subnet, what is MAC address X4?
- X4 = MAC1
- X4 = MAC4
- X4 = MAC11
- X4 = MAC12
Correct answer: C
Question 5
Which component of the VNS solution belongs to the data plane?
- VSD (Virtualized Services Directory)
- VSC (Virtualized Services Controller)
- VRS (Virtual Routing and Switching)
- NSG (Network Services Gateway)
Correct answer: D
Question 6
Which statement is FALSE regarding the vport?
- NSG vPorts are associated with access ports.
- There are four types of vPorts: VM, container, host and bridge.
- The NSG’s vPorts are typically host vPorts.
- One vPort can only belong to one subnet or L2 domain.
Correct answer: B
Question 7
Which statement about the security policies implemented by Nuage Networks is FALSE?
- A security policy is composed of entries defining the conditions to redirect a packet.
- Ingress policy acts on traffic flow towards the network (or the OVS component).
- The security policies are defined at the domain level.
- The security policies deployed on the VSD are distributed ACLs implemented on the VRSs and NSGs.
Correct answer: A
Question 8
Which statement about ACL entries is FALSE?
- They can track both TCP and UDP flows.
- They can be created in either ingress or egress directions.
- A packet in the direction of the stateful ACL rules will automatically create a “related” rule in the reverse direction.
- The automatically created rules will not go away until the ACL is manually deactivated and reactivated.
Correct answer: D
Question 9
Which of the following statements is NOT true regarding the integration of the data center (VCS solution) and branch office (VNS solution)?
- The VSD in the data center and the VSD for the branch office are running XMPP to synchronize with each other.
- The VSC in the data center and the VSC for the NSG branch office are running BGP to update each other’s forwarding table.
- With integration, the virtual machines in the data center and the devices in the branch office can belong to the same overlay network.
- Traffic between the virtual machines in the data center and the devices in the branch office are forwarded in VXLAN tunnels.
Correct answer: A
Question 10
Which of the following connections does not exist during the VNS bootstrapping process?
- Proxy to NSG
- Proxy to VSD
- NSG to VSC OpenFlow-TLS
- VSC to proxy
Correct answer: D
