(A) $1.2
(B) $1.4
(C) $1.8
(D) $1.9
Author:
Pak Study Quiz 15
Hub is a?
(A) Computing device
(B) Network device
(C) Calculating device
(D) Software
Which layer provides services to user?
(A) Physical layer
(B) Session layer
(C) Presentation layer
(D) Application layer
OSI stands for?
(A) Open Service Internet
(B) Optical Service Implementation
(C) Operating System Interface
(D) Open System Interconnection