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Which of the following a communication systems uses phonemically based hand gestures to supplement speechreading? Eight hand shapes are used in four different positions to cue the communication partner about the sounds of speech being produces. 

Which is NOT a significant birth or risk factor for hearing loss?

Which law guarantees a free and appropriate education for all children with disabilities between ages 3 and 21, and is also known as the Education for All Handicapped Children Act?

As it relates to speech, language, and literacy skills, which of the following is inaccurate? 

There are three factors thought to contribute to poor speech understanding in a classroom, especially for children with hearing loss. Which of the following is NOT one of these factors? 

In Auditory Verbal therapy, there is only formal training.  That is, therapy and listening activities only occur during sturctured therapy sessions in a clinical setting.  Informal training, such as the parents working with the child in everyday sitiuation isn’t encouraged, as the parents don’t have sufficent taining to know how to encourage listening by their child. 

Teachers can hang flags from the ceiling,  add kid’s artwork to the walls, and have a rugs on the floor as methods to help minimize or reduce reverberation and absorb (background) noise.  

Suppose while testing an application, you see that it is generating a large sequence of numbers. You know if this is done with a CRNG it would be safe, but if it is being done with a PRNG it would not be. Assuming you have no access to the code itself, how would you go about determining if a PRNG or CRNG is being used to generate this sequence? How confident would you be in this answer? 

You have two enemies (Abe and Earl) that hate modular arithmetic. They have decided to exchange keys by modifying Diffie-Hellman to remove the modulo operation after taking the values to powers. You overhear them agreeing to use 3 as the number they use as the base of their exponentiation (the alpha).  You then hear them exchange their public keys, with Abe’s public key of 81 and Earl’s public key of 2187.   What are Abe and Earl’s private keys? Show how these numbers were obtained.

Why is it sometimes necessary to have more than one known plaintext-ciphertext pair when doing a MITM attack on something like double-DES.