Internet and Secuirty Online Test - 2
Question: 6
What is a Firewall in Computer Network?
(A) A web browsing software
(B) The physical boundary of Network
(C) An OS of computer Network
(D) A system designed to prevent unauthorized access
Ans: D
A system designed to prevent unauthorized access
Question: 7
What type of control pins is needed in a microprocessor to regulate traffic on the bus, in order to prevent two devices from trying to use it at the same time?
(A) Interrupts
(B) Bus arbitration
(C) Bus control
(D) Status
Ans: B
Bus arbitration
Question: 8
An example of a telecommunications device is a
(A) Modem
(B) Mouse
(C) Printer
(D) Keyboard
Ans: A
Modem
Question: 9
An uniform interval of CPU time allocated for use in performing a task is known as
(A) Seek time
(B) Down time
(C) Time slice
(D) Real time
Ans: C
Time slice
Question: 10
The bit synchronization method in which transmitters send a single start bit before transmitting data and receivers use an internal hardware clock to know how frequently to measure the signal, is called
(A) Isochronous
(B) Time division
(C) Synchronous
(D) Asynchronous
Ans: D
Asynchronous
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