Domain 1 ( Chapter 2 )
[Q120]
Wired bound Network = Wired Network =
Example :- Wired LAN / Wired Ethernet
[Q144]
NIC ( Network card ) is a intelligence device that can automatically detect
any frame sending to it .
** frame = data
** the process that auto detect the frame is called Auto Detection
** as long as the NIC is connected to any other NIC or network devices like
switch / router they can work together to receive and sending the frame/ data
[Q145]
** Drop this question . Not important for Network+
[Q146]
** HSTR = High Speed Token Ring
** The faster Token Ring standard among the Token Ring Technology
** It can transmit data up to 100Mbps
** It can use UTP and/or Fiber Optic Cable
** Normal Token Ring Technology usually can use 3 types of cables
(a) UTP/STP (b) Coaxial Cable (c) Fiber Optic
[Q152]
What is RTS/CTS ?
** It is Serial Port Signal
** (Request To Send)
** An RS-232 signal sent from the transmitting station to the receiving
station requesting permission to transmit. Contrast with CTS.
CTS ?
** (Clear To Send)
** The RS-232 signal sent from the receiving station to the transmitting
station that indicates it is ready to accept data. Contrast with RTS.
[Q155]
About Bluetooth .
** it is wireless
** it operated at 2.45 GHZ ( about 2.4GHZ ) , same frequency range as WLAN
Since it operating at this range , it can cause interference to WLAN
** It is RF ( radio frequency ) signal
** Bluetooth is using FHSS ( frequency hopping spread spectrum )
** CDMA is using DSSS
[Q157]
What is PAN ?
** Personal Area Network ( smaller area coverage if compare to LAN /MAN / WAN etc )
** Bluetooth is an example for PAN network . Short distance coverage .
[Q158]
Drop this question. Beyond Network+
[Q159]
What is line-of-sight ?
** An unobstructed view from transmitter to receiver.
** Infrared (IR) is in “line of sight” transmission
** It must NOT be blocked by wall ( cannot pass through wall )
** Only operated within 3 meters ( 9 foot )
