A __________ is a special Spanning Tree Protocol (STP) frame that switches use to communicate with other switches to prevent loops from happening in the first place.
A. bridge protocol data units (BPDUs)
B. repeater protocol data units (RPDUs)
C. switch protocol data units (SPDUs)
D. root bridge
Answer: A
Computer Science & Information Technology
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Which of the following statements about abstract superclasses is true?
a. abstract superclasses may contain data. b. abstract superclasses may not contain implementations of methods. c. abstract superclasses must declare all methods as abstract. d. abstract superclasses must declare all data members not given values as abstract.
Computer Science & Information Technology
_________ uses Diffie-Hellman or Elliptic Curve Diffie-Hellman for key exchange and does not permit RSA.
Fill in the blank(s) with the appropriate word(s).
Computer Science & Information Technology