4A0-N01 Online Practice Questions and Answers

What statement regarding VSD user management is TRUE?

A. We can create CMS user groups for each enterprise.

B. Each enterprise user belongs to only one user group.

C. Open LDAP and Active Directory can be integrated into VSD.

D. LDAP integration is configured at the VSD global level, and it is not configurable enterprise.

What statement is TRUE regarding service chaining provided by Nuage VCS?

A. Service chaining is flow-based traffic redirection.

B. Service chaining only works for virtual appliances.

C. A virtual firewall is required to perform service chaining.

D. It consists of packets being forwarded by the local VPLS, then through the enterprise VPRN and lastly the backhaul VPLS.

What statement regarding Openflow sessions in data center networks is TRUE?

A. By default, the Openflow session is established with TCP port 6633.

B. Openflow sessions run between VSCs.

C. Security in mandatory with SSL encryption.

D. Openflow sessions can be established over either the data plane or the management plane.

What statement correctly describes the difference between a managed Layer 2 domain and an undamaged Layer 2 domain?

A. A managed L2 domain has one or more zones and each zone can have multiple subnets, each with its own IP address pool, while an unmanaged L2 domain does not have zones or subnets.

B. Managed L2 domains can have overlapping IP address pools, while unmanaged L2 domains are not allowed to have overlapping IP address pools.

C. In a managed L2 domain, Nuage VCS manages security policies, while in an unmanaged domain, Nuage VCS cannot manage the security policies.

D. In a managed L2 domain, Nuage VCS performs DHCP and ARP proxy functions, while in an unmanaged domain VCS has no visibility of IP addresses.

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.

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

A. The virtual IP addresses can be in a different subnet than the VM interface IP address.

B. All virtual IP addresses of a vPort must be in the same subnet.

C. One of the virtual IP addresses can be the same as the VM interface IP address.

D. Every virtual IP address must be associated with a virtual MAC, which differs from the VM interface MAC address.

Which of the following is NOT an improvement provided by the backhaul VPLS?

A. Reducing the number of EVPN on the HV.

B. Reducing the number of VXLAN tunnels.

C. Reducing the size of MAC address table.

D. Reducing the consumption of bandwidth.

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 statement is TRUE regarding a redundant redirection target?

A. By default, high availability is enabled for all redirection targets.

B. A redundant redirection target can have only 1 virtual IP.

C. We can associate at maximum 2 vPorts with a redundant redirection target.

D. Traffic will be redirected to all the vPorts within a redundant redirection target.

When using a VXLAN gateway to connect VLAN-based equipment with VMs inside a VXLAN datacenter, what types of vPorts can be used on the VSD GUI to connect those VLAN-based devices?

A. VM vPort and host vPort.

B. Host vPort and bridge vPort.

C. Bridge vPort and gateway vPort.

D. Gateway vPort and VM vPort.