ABC Corporation uses multiple security zones to protect systems and information, and all of the VM hosts are part of a consolidated VM infrastructure. Each zone has different VM administrators. Which of the following restricts different zone administrators from directly accessing the console of a VM host from another zone?
A . Ensure hypervisor layer firewalling between all VM hosts regardless of security zone.
B . Maintain a separate virtual switch for each security zone and ensure VM hosts bind to only the correct virtual NIC(s).
C . Organize VM hosts into containers based on security zone and restrict access using an AC
E . Require multi-factor authentication when accessing the console at the physical VM host.
Answer: C
Explanation:
Access Control Lists (ACLs) are used to restrict access to the console of a virtual host. Virtual hosts are often managed by centralized management servers (for example: VMware vCenter Server). You can create logical containers that can contain multiple hosts and you can configure ACLs on the containers to provide access to the hosts within the container.
Incorrect Answers:
A: Hypervisor layer firewalling is used to restrict the network traffic that can access the host. It does not prevent a user from directly accessing the console of the host.
B: Maintaining a separate virtual switch for each security zone and ensuring VM hosts bind to only the correct virtual NIC(s) will restrict the network access of the VM hosts. It does not prevent a user from directly accessing the console of the host.
D: Multi-factor authentication is a secure way of authenticating a user. However, that’s all it does: authenticates someone. In other words, it only proves that the person is who they say they are. You would still need an ACL to determine whether that person is allowed or not allowed to access the console of the host.