4A0-N01 Online Practice Questions and Answers

Which of the following is a host-centric overlay solution for a modern data center?

A. SPBM

B. TRILL

C. VxLAN

D. VPLS

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. Virtual switches are VLAN capable.

C. Typically, virtual switches are as capable as physical switches, eg: LAG, hardware-based QoS.

D. If a virtual switch is not on the hypervisor, all traffic will go out of the physical NIC.

What statement about floating public IP addresses in the Nuage environment is CORRECT?

A. They are managed by enterprise admin users.

B. NAT is performed for the traffic leaving the enterprise domain and entering the public network.

C. Once a floating IP is configured on the vPort , the VM will stop using its enterprise private IP address.

D. There can be more that one floating IP address associated with one vPort.

What statement about statistics rules on Nuage VCS is FALSE?

A. Users can define statistics rules for domain/zones/subnets/vPorts. The rule applied to the most granular object is the one used.

B. Statistics are collected in an Elasticsearch statistics engine and are aggregated over hours, days, and months.

C. Statistics are pushed from VRS up to VSC, which in turn sends them to the VSD stats engine.

D. When a TCA threshlod is exceeded, an event is displayed in the UI and a message is sent on the JMS bus.

Which two elements of the Nuage Networks VCS Solution act respectively as the control and data plane of a virtual router?

A. VSD and VSC

B. VSC and VSG

C. VSC and VRS

D. VSD and VSG

What is NOT a component of VSD?

A. Neutron

B. Statistics Engine

C. Policy Management Engine

D. RESTful API

What statement about stateful ACL entries is FALSE?

A. They can track both TCP and UDP flows.

B. They can be created in either ingress or egress directions.

C. A packet in the direction of the stateful ACL rules will automatically create a “related” rule in the reverse direction.

D. The automatically created rules will not go away until the ACL is manually deactivated and reactivated.

What impact does server virtualization have on a traditional datacenter network?

A. Traffic between the virtual machines must be carried in the overlay network, which is not supported by a traditional datacenter network.

B. Server virtualization requires a hardware upgrade of the network devices (for example, TOR/EOR switch, leaf and spine routers) in a traditional datacenter network.

C. Server virtualization requires a software upgrade of the network devices (for example, TOR/EOR switch, leaf and spine routers) in a traditional datacenter network.

D. Traditional network configuration involves manual interaction, which cannot keep up with the dynamic reallocation of compute resources to virtual machines.

What is NOT a function performed by VSD?

A. VSD is the service definition point where all the network service and policy templates are created.

B. VSD is an analytics engine that can provide historic and real time information on the network and the VM usage of the network.

C. VSD communicates to the cloud management systems through RESTful APIs.

D. VSD is the DNS and NTP server for the datacenter network.

Which of the following is a solution to create virtual machines in which the server runs the hypervisor as a specialized operating system and, as a consequence, there is no need for a conventional operating system?

A. Kernel

B. Container

C. Native hypervisor

D. Hosted hypervisor