14.Which of the following is a fundamental underlying infrastructure for any IT environment?
A.Metadata
B.Cache
C.Network
D.Primary key
15.Which of the following refers to two or more computers sharing information, software, peripheral devices, and processing power?
A.Cold site
B.Network
C.Rootkit
D.Cache
18.Which of the following is an advantage of a distributed infrastructure?
A.It allows only specific locations within an infrastructure to share information and applications.
B.It ensures that each application is stored exclusively in one location to ensure information security.
C.It can allocate its processing activity to a location where it can most efficiently be done.
D.It divides an IT system into different tiers where each part performs a specific function.
20.Which of the following is true of a client/server infrastructure?
A.It starts with a basic 3-tier model and expands on it to allow scalability.
B.It has several layers and each layer undertakes a specific task.
C.It reduces the load placed on the network capacity and ensures efficiency.
D.It centralizes processing and storage for all information on a server.
微信支付 
支付宝支付