Answer: (B) Migrating all VMs off the host.
Explanation:
VMs migration is the virtual machine migration that basically change the workloads automatically in the system. The maintenance of the schedule results into the downtime in the server for users. In the mission critical environment, when we performing various types of maintenance operation on the host we first require migrate all the virtual machine.
In the critical environment there is a chance that the data in the given host may be critical and the data in the virtual machine (VM) may be in critical position in the host.
Answer:
Option A is the correct answer.
Explanation:
The advantage does of ExpressCard modules and U.S.B adapters offer over expansion cards is that it can connect a variety of devices to a computer. The technical standard of ExpressCard specifies the design of slots built into the computer and of expansion of cards to insert in the slots including the mobile broadband modems. It is sometimes connectors for externals devices such as flash drives, USB connectors and other ports that need to connect to the computer.
Answer: a. RADIUS
Explanation:
RADIUS as developed with the idea of allowing its users or clients to be able to authenticate to a dial-in access server. So basically it is a client server protocol and he client here is the firebox and the server is the RADIUS server.
The authentication mechanism start by user who sends a message to the RADIUS server. Then the RADIUS server upon receiving the message accept or denies it. It accepts if the client is configured to the server.
A large amount of additional information can be sent by the RADIUS server in its Access-Accept messages with users so we can say that RADIUS is uitable for what are called "high-volume service control applications" such as dial-in access to a corporate network.
