DOMAIN 7 - CLOUD NETWORK VIRTUALIZATION, SECURITY CHANGES

Question 1

All clouds utilize some form of ________ to abstract the physical network and create a network resource pool

Answer 1

virtual networking

Question 2

If you are a cloud provider (including managing a private cloud), physical _________ of networks
composing your cloud is important for both operational and security

Answer 2

segregation

Question 3

_______leverage existing network technology implemented in most network hardware

Answer 3

VLANs

Question 4

_________ are not designed for cloud-scale virtualization or security and shouldn’t be considered, on their own, an effective security control for isolating networks

Answer 4

VLANs

Question 5

A more complete abstraction layer on top of networking hardware, _________ decouple the network control plane from the data plane. This allows us to abstract networking from the
traditional limitations of a LAN.

Answer 5

SDNs

Question 6

There are multiple implementations, including standards-based and proprietary options. Depending on the implementation, _______ can offer much higher flexibility and isolation.

Answer 6

SDN

Question 7

For example, an SDN may use ______ so that virtual machines and other “standard” assets don’t need any changes to their underlying network stack.

Answer 7

packet encapsulation

Question 8

customer security tools need to rely on an _______, or a software agent installed in instances

Answer 8

in-line virtual appliance