CS601-Data Communication Quiz MCQS #Objective #Questions #Finalterm
1. EHF stands for ___
- Extremely High Frequency
- Emitting High Frequency
- Emission of High Frequency
- Exact High Frequency
2. ___ measures the relative strength of the two signals or a signal at two different points.
- Data rate
- Baud rate
- Frequency
- Decibel
3. The term ___ means that only one bit of a given data unit is changed from 1 to 0 or from 0 to 1.
- Packet Error
- Burst Error
- Single Bit Error
- Character Error
4. Telephone network is an example of a ___ network.
- Packet-switched
- Circuit-switched
- Message-switched
- Tele-switched
5. EIA 449 uses ___ standards to define its electrical specifications.
- 2
- 3
- 4
- 5
6. Terminal, microprocessor, computer, printer or any other device that generates or consumes digital data is known as ___
- DCE
- DTE
- DCE & DTE
- DTE & DTE
7. Traditional modems are limited to a data rate of ___ Kbps.
- 31.6
- 32.6
- 33.6
- 34.6
8. If the ASCII character G is sent and the character D is received, what type of error is this?
- Single-bit
- Multiple-bit
- Burst
- Recoverable
9. Cable that connects the subscriber telephone to the nearest end office in a local loop is called
- Twisted-pair cable
- Coaxial cable
- Fiber-optic cable
- Subscriber cable
10. Air is ___
- DTE
- DCE
- Transmission medium
- DTE & DCE
