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You need to allow one host to be permitted to attach dynamically to each switch interface. Which two commands must you configure on your catalyst switch to meet this policy?
1. Switch (config-if) # ip access-group 10
2. Switch (config-if) # switchport port-security maximum 1
3. Switch (config) # access-list 10 permit ip host 1
4. Switch (config-if) # switchport port-security violation shutdown
5. Switch (config) # mac-address-table secure
For the circuit as shown, consider that switch S1 has been in position B for a very long time and switch S2 has been open all the time. At time t = 0, the switch S1 moves to position A and switch S2 closes instantaneously. What is the value of Vout of t = 0+, assuming initial charge on C = 0?
Consider four processes P, Q, R, and S scheduled on a CPU as per round-robin algorithm with a time quantum of 4 units. The processes arrive in the order P, Q, R, S, all at time t = 0. There is exactly one context switch from S to Q, exactly one context switch from R to Q, and exactly two context switches from Q to R. There is no context switch from S to P. Switching to a ready process after the termination of another process is also considered a context switch. Which one of the following is NOT possible as CPU burst time (in time units) of these processes?  
Which of the following types of connections can use full duplex?
1. Hub to hub
2. Switch to switch
3. Host to host
4. Switch to hub
5. Switch to host
The following figure shows a composite switch consisting of a power transistor (BJT) in series with a diode. Assuming that the transistor switch and the diode are ideal, the I-V characteristic of the composite switch is
A diode circuit is so arranged that when the switch is open it’s KVL gives Ri+ 1/C ∫i dt = 0 When the switch is closed, Ri+ 1/C ∫i dt = Vs Vs is the dc supply voltage. The diode is so connected that it is forward biased when switch is closed The circuit is mostly likely be a
A circuit is so formed such that the source-R-C-diode-switch are in series. Consider the initial voltage across the C to be zero. The diode is so connected that it is forward biased when the switch is closed. When the switch is closed,
A circuit is so formed such that source-R-L-diode-switch are all in series. Consider the initial current in L to be zero. The diode is so connected that it is forward biased when switch is closed. When the switch is closed,
TRIAC can act as AC switch.
TRIAC is a unipolar switch.