Q68.
Which of the following is the characteristic of a peer-to-peer system, in contrast with a client/server system?
a) Requires deployment of a server, in addition to personal computers.
b) Enables personal computers to use mutually exchange data, in an equal relationship.
c) Has a limitation in the number of personal computers that can be connected over a
network.
d) Personal computers connected over a network are fixed to the network.
Q69.
Which of the following is the first step that should be taken when a personal computer connected to a network is infected by a computer virus?
a) Disconnect the infected computer from the network.
b) Turn off the computer power.
c) Install antivirus software.
d) Report to the system administrator.
Q70.
On a magnetic disk, one (1) sector has a capacity of 512 bytes, and the sector number is
represented by 28-bit number. Assuming one (1) gigabytes equals to 512×221, which of the
following is the maximum disk capacity expressed in gigabytes?
a) 32
b) 64
c) 128
d) 256
Q71.
Which of the following input devices is a pointing device?
a) Barcode reader
b) Handwritten character input device
c) Keyboard
d) Touch panel
Q72.
Which of the following represents the total amount from installation through to operation,
for equipment such as a personal computer, server, or network equipment?
a) TCO
b) TCP
c) TPC
d) TQC
327