What Is the Most Secure Type of Authentication

question 65

Multiple Choice

What is the most secure type of authentication?

• A)something the user knows such as a user ID and password
• B)something the user has such as a smart card or token
• C)something that is part of the user such as a fingerprint or voice signature
• D)A combination of all of these are correct.

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Definitions:

Sedimentary Rocks

Rocks formed by the accumulation or deposition of mineral or organic particles at the Earth's surface, followed by compaction and cementation.

Conglomerate

A coarse-grained clastic sedimentary rock composed of rounded to sub-rounded clasts (pebbles, cobbles, and boulders) in a fine-grained matrix of sand and mud.

Breccia

A rock composed of large, angular fragments; typically formed in sedimentary environments, but can be formed by volcanic, hydrothermal, or tectonic processes.

Sandstone

A sedimentary rock formed by the consolidation and compaction of sand and held together by a natural cement, such as silica.