Answer: D)It relies on two independent proofs of identity.
Explanation: Two factor authentication is technique which uses two steps/stage for the verification or authentication.It is done for the extra security maintenance.IT is also known as 2FA. It consist of two different authentication component so that it penetrates through double protection layer .
Other options are incorrect because It RSA public key cannot be used for the authentication of private content. It does not use both hand geometry at same time for both the levels and It does not utilize only single sign-on technology. Thus, the correct option is option(D).
Answer:
There are different phases of railroad expansion with the innovations in technology.
Explanation:
Few of the technological innovations are described below that leads in railroad expansion more rapid.
1. Centralized Traffic control (CTC) is introduced in 1960's that is used to control the traffic on railroads using different signal control.
2. In 1990's after computer technology involvement, railway ticket and reservation system is automate and being centralized. That makes the railroad expansion improve.
3. Bullet train technology has been introduced, that makes the railway trains more faster.
4. Electric trains has been introduced to use green energy and reduce the dependency on the fuel to make environment clean and green.
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Micro SD term does not refer to a variant of the full-size secure digital (sd) memory card.
<h3>What is Secure Digital a memory card?</h3>
A Secure Digital (SD) card is a tiny flash memory card developed for high-capacity memory and different portable devices, such as car navigation systems, cellular phones, e-books, PDAs, smartphones, digital cameras, music players, digital video camcorders, and individual computers.
<h3>What is the best device for storing digital photos?</h3>
Hard drives are good for storing photos because they are cheap, they provide fast admission to data, and it's very easy to copy a whole hard drive to another hard drive especially if you have USB 3.0 or Thunderbolt associations
To learn more about Micro SD, refer
brainly.com/question/24723558
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Answer:


Explanation:
Given
Shape: Parallelogram



Required
Determine possible heights of the parallelogram
Area of parallelogram is:

Make Height the subject of formula

When Base = 24 units;


When Base = 6 units;

