X25, ISDN, and Frame Relay Use ____ for Packet-Switched Communications

question 81

Multiple Choice

X.25, ISDN, and frame relay use ____ for packet-switched communications.

• A)routers
• B)multiplexers
• C)channel banks
• D)virtual circuits

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Definitions:

Hallucinations

Perceptions in a conscious and awake state in the absence of external stimuli which have qualities of real perception, often occurring in psychiatric conditions.

Compulsions

Repetitive behaviors or mental acts that an individual feels driven to perform in response to an obsession, or according to rules that must be applied rigidly.

Catatonia

A state of psycho-motor immobility and behavioral abnormality, often seen in schizophrenia and certain mood disorders.

Biopsychosocial Approach

An interdisciplinary model that examines the interconnection between biology, psychology, and socio-environmental factors in understanding health and illness.