John Has Subscribed to a Cloud-Based Service to Synchronize Data

question 5

Multiple Choice

John has subscribed to a cloud-based service to synchronize data between his smartphone, tablet, and PC. Before allowing the data to be synchronized, this service uses a process in which the cloud service and the client on the smartphone will verify the security of all devices' security certificates.
What type of security does the cloud-base service employ?

• A) Mutual authentication
• B) VPN
• C) IMAP
• D) Tethering

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Definitions:

Phosphorus Sink

An ecosystem or part of an ecosystem that absorbs more phosphorus than it releases, often leading to phosphorus accumulation.

Mineable Phosphate Rocks

Rock formations that contain substantial amounts of phosphate minerals, which are mined for use as fertilizers and other chemical products.

Marine Sediments

Deposits of organic and inorganic particles that accumulate on the ocean floor.

Denitrification

The conversion of nitrate (NO3) to nitrogen gas (N2) by certain bacteria (denitrifying bacteria) in the soil; part of the nitrogen cycle.