OpenStack OpenStack Networking (Neutron)

Question 1

Which OpenStack service provides Networking-as-a-Service (NaaS) and is the primary networking component?

Accepted Answer

Neutron

Answer

Cinder

Answer

Nova

Answer

Swift

Question 2

What is a Neutron 'provider network' in OpenStack?

Accepted Answer

A network connected directly to the physical network infrastructure

Answer

A network managed entirely by tenants

Answer

A virtual private network for inter-tenant traffic

Answer

A network only used for floating IPs

Question 3

Which Neutron component acts as the L3 routing agent responsible for routing traffic between subnets?

Accepted Answer

neutron-l3-agent

Answer

neutron-dhcp-agent

Answer

neutron-openvswitch-agent

Answer

neutron-metadata-agent

Question 4

What is a 'security group' in Neutron?

Accepted Answer

A set of firewall rules applied to VM network interfaces

Answer

A group of admin users with elevated network permissions

Answer

A VLAN reserved for secure management traffic

Answer

A pool of IP addresses for floating IP allocation

Question 5

Which network type in Neutron uses 802.1Q VLAN tagging to isolate tenant networks?

Accepted Answer

vlan

Answer

flat

Answer

vxlan

Answer

gre

Question 6

What is the purpose of a 'floating IP' in OpenStack Neutron?

Accepted Answer

A publicly routable IP that can be dynamically associated with a VM

Answer

An IP that migrates with a VM during live migration

Answer

An IP reserved for the router gateway interface

Answer

A secondary IP assigned to a VM's secondary NIC