The purpose of most backup policies is to create a copy of data so that a particular file or application may be restored after data is lost, corrupted, deleted or a disaster strikes. Thus, backup is not the goal, but rather it is one means to accomplish the goal of protecting data. Testing backups is just as important as backing up and restoring data. Backup applications have long offered several types of backup operations. Two of the most common backup types are described below.

I. This operation will result in copying only the data that has changed since the last backup operation of any type. The modified time stamp on files is typically used and compared to the time stamp of the last backup. Backup applications track and record the date and time that backup operations oc... Ver mais

Consider the text below.

Client computers provide an interface to allow a computer user to request services of the server and to display the results the server returns. Servers wait for requests to arrive from clients and then respond to them. Ideally, a server provides a standardized transparent interface to clients so that clients need not be aware of the specifics of the system (i.e., the hardware and software) that is providing the service. Clients are often situated at workstations or on personal computers, while servers are located elsewhere on the network, usually on more powerful machines. This computing model is especially effective when clients and the server each have distinct tasks that they routinely perform.

The text defines

Consider the figure below.

The correct way to describe the main concepts showing by the figure is:

Read the extract below.

Thiel’s “fight” involves investing millions in biotechnology and artificial intelligence in what he has called “the immortality project”. His investment firm Thiel Capital has, according to Inc, expressed an interest in a company called Ambrosia, which is running a trial where individuals can pay $8,000 to receive a blood transfusion from a teenager in the hope that it will restore some youthful vigour.

The highlighted relative pronoun “which” above refers to

Choose the alternative that correctly fills the blank spaces in the sentences below.

Welcome! ______ is my new house. _____ houses are bigger than ______ we saw yesteday I parked my car near _____ tree. Can you see it?

Choose the alternative that correctly fills the blank spaces in the sentences below.

I downloaded the file _____ that website.

Francis will be back ____ 5 o’clock.

Susan goes to school ____ bus.

He will pay the water bill ___ Friday.

Considering the grammatical and semantic aspects of text I, decide whether the following items are right (C) or wrong (E).

Considering the grammatical and semantic aspects of text IV, decide whether the following items are right (C) or wrong (E).

Considering the grammatical and semantic aspects of text V, decide whether the following items are right (C) or wrong (E).