Question 1

In cloud computing, different types of hardware of the same type can form a resource pool.

Options :

A : TRUE

B : FALSE

Answer: A

Question 2

The following incorrect description of the security group application scenario is

Options :

A : By setting security group rules, you can control permissions on folders in the virtual machine

B : By setting a security group rule, you can only allow remote login of virtual machines to specific IP addresses

C : By setting security group rules, you can protect virtual machines from being accessed

D : By setting a security group rule, you can make the virtual machine inaccessible to the FTP server

Answer: A

Question 3

Fog computing is a distributed computing model that extends the concept of cloud computing to the

edge of the network to support mobile and IoT and geographically distributed applications. The

following incorrect statement about fog calculation is

Options :

A : Fog computing can quickly generate big data and reduce latency at the edge of the network

B : Fog computing can temporarily buffer data and reduce network pressure

C : Fog computing provides more reliable network and physical device security than cloud computing

D : Fog computing can reduce the bandwidth consumed in the core Internet and limit the movement of data to the local network

Answer: C

Question 4

The following incorrect way to create a virtual machine template is.

Options :

A : Template clone to template

B : Virtual machine clone as a template

C : Virtual machine to template

D : Snapshot to template

Answer: D

Question 5

The following description about KVM (Kernel-based Virtual Machine) is correct (multiple selection)

Options :

A : KVM is type II virtualization

B : KVM is a type I virtualization

C : KVM is a module in the Linux kernel

D : KVM is an open source virtualization technology

Answer: A,C,D

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