Font size
Worksheets4.9.1.2 Communication basics
Total questions: 28
Worksheet time: 21mins
Serial Communication is a method of conveying multiple binary digits (bits) simultaneously.
True
False
What Transmission Mode would allow 2 way communication but only one at a time?
Simplex
Half Duplex
Full Duplex
no Duplex
Over long distances, which transmission method would be generally more effective?
Serial
Parallel
What would a Protocol define?
The nature of a Mechanical interface
The nature of an Electronic interface
The Standards organisations who created the protocol
none of these
What is DTE?
A timing device at both ends of the communication
A device, such as a computer, which is a source or destination of digital data
A device that transmits or receives analogue signals
A device that converts analogue to digital signals
What is DCE?
A device that check data for errors
A communications device that makes transmission fast
A device that transmits or receives signals over a network
A dumb terminal
Which one of the following data transmission links can operate in both directions at the same time?
Full Duplex
Half Duplex
Simplex
Superplex
Baud will always be less than or equal to the DTR (Data Transmission Rate)
True
False
What is the name of layer 1 of the OSI Model
Physical
Application
Presentation
Technology
Which transmission Method can be said to be "always listening" ?
Synchronous
Asynchronous
Half Duplex
What is the International Organization for Standardization responsible for?
The ISO model
TCP/IP Protocol Suite
WWW addressing scheme (DNS)
International Satellite Organisation
Parallel communication is the method of transferring data _____
All at once
One at a time
in blocks of set size
as a 'String' or 'Int'
______ is when the parity bit is used to ensure the total number of 1’s is odd
Odd Parity
Even Parity
Neutral Parity
All Parity
Select all data communications equipment (DCE) examples
ISDN adapters
Microwave stations
NIC
Computer Terminal
In ideal circumstances and with the same signal frequency, Parallel communication is faster than serial.
True
False
Which of these describes a Baud Rate?
The rate at which some will lose interest in a topic or activity.
The rate at which the cost of wooden planks changes
The rate of change of a communication medium's signal
The speed at which data is moved when calculated at only one bit per second
Wifi uses lasers to send signals
True
False
Select all of the Serial communication cables
Which of these devices would use Parallel communication methods?
What level is HTTP on in the TCP/IP Model?
1 Data Link
2 Network
3 Transport
4 Application
Which piece of Packet Header data allows your computer to reassemble the data?
Packet Number
Recipient Address
Size of Packet
