Related Questions

You have two switches connected together with two crossover cables for redundancy, and STP is disabled. Which of the following will happen between the switches?
A The routing tables on the switches will not update
B The MAC forward\/;filter table will not update on the switch
C Broadcast storms will occur on the switched network
D The switches will automatically load-balance between the two links
A four-person crew from Classic Colors is painting Mr. Field's house. Michael is painting the front of the house. Ross is in the alley behind the house painting the back. Jed is painting the window frames on the north side, Shawn is on the south. If Michael switches places with Jed, and Jed then switches places with Shawn, where is Shawn?
A in the alley behind the house
B on the north side of the house
C in front of the house
D on the south side of the house
Discrimination between main and back up protection is provided by the use of relays which are
A fact
B sensitive
C slow
D none of the above
The inverse definite mean time relays are used for over current and earth fault protection of transformer against
A heavy loads
B internal short-circuits
C external short-circuits
D all of the above
Who built the world's first electronic calculator using telephone relays, light bulbs and batteries?
A Claude Shannon
B Konard Zuse
C George Stibitz
D Howard H. Aliken
E None of the above
Which of the following relays is used on long transmission lines?
A Impedance relay
B Mho's relay
C Reactance relay
D None of the above
The phase lag produced by transportation relays
A Is independent of frequency
B Is inversely proportional to frequency
C Increases linearly with frequency
D Decreases linearly with frequency
Thermal overload relays are used to protect the motor against over current due to
A short-circuits
B heavy loads
C grounds
D all of the above
Overload relays are of type.
A induction
B solid state
C thermal
D electromagnetic
E all above
Directional relays are based on flow of
A power
B current
C voltage wave
D all of the above

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