Computer Knowledge 60

1. To get immediate access to commands which of the following option will be used?
A. File menu.
B. Quick access menu.
C. Tab menu.
D. Edit menu.



2. The cross red sign appears, at the right side of the window is called-
A. Save button.
B. File button.
C. Close button.
D. Minimize button.



3. Which of the following is a unintelligent computer networking device?
A. Hub.
B. Switch.
C. Router.
D. None of these.



4. UDP stands for-
A. User Datagram protocol.
B. User data Permit.
C. Universal data permit.
D. Universal data protocol.



5. Which of the following is a layer 2(Data Link Layer) networking device?
A. Hub.
B. Switch.
C. Router.
D. None of these.



6. Character encoding happens at which layer of the standard OSI(Open system interconnection) model?
A. Application.
B. presentation.
C. Session.
D. Transport.



7. Encryption and Decryption happens at which of the following layer of the OSI reference model?
A. Application.
B. presentation.
C. Session.
D. Transport.



8. In the field of computer networking, Routing happens at which of the following layer of the OSI reference model?
A. Application.
B. transport.
C. Network.
D. Physical.



9. The data unit known as packet at which of the following layer?
A. Application.
B. Presentation.
C. Network.
D. Data link.



10. IPv4 addresses are made of-
A. 4 bits.
B. 8 bits.
C. 16 bits.
D. 32 bits.


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