The pre-planned blackouts are due to continue for the whole period of exams, until Monday, to combat cheating among more than 700,000 students.
The Algerian government will shut down the Internet at certain times of the day over the next week as the nation's high school-age kids take their exams to prevent cheating, officials announced.
Algeria has turned off its internet nationwide during high school exams in a bid to tackle cheating.
Ms Benghabrit also said of the drastic move "We should not passively give up our fight against any possible leak".
This will be the third year in a row access to the internet will be limited during exam time.
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In an effort to keep electronic devices with Internet access out of classrooms, metal detectors also reportedly have been set up at 2,000 exam sites.
The 2016 exam season was marred by widespread cheating, with exam questions published on social media before, or at the start of, the test. Each year, the educational experts right before the academic examinations would come out with stringent measures to control cheating menace.
As a result, the authorities asked internet service providers to stop social media access a year ago, but the voluntary measures were not enough.
The decision to disconnect the Internet was made after 2016 exam questions appeared on the network during the exams and even before, writes the BBC. What's more, Benghabrit said that they have installed surveillance cameras and phone jammers at the locations where the exams are being printed.