Computer Quiz 7

1. Frames from one LAN can be transmitted to another LAN via the device

a. Router
b. Modem
c. Repeater
d. Bridge

Ans. Bridge

2. Which of the following is used for modulation and demodulation?

a. multiplexer
b. protocols
c. gateway
d. modem

Ans. Modem

3. How many hosts are attached to each of the local area networks?

a. 254
b. 128
c. 64
d. 256

Ans. 254

4. How many bits are there in single byte?
a. 10
b. 20
c. 256
d. 8

Ans. 8

5. C language is of
a. First Generation Language
b. Second Generation Language
c. Third Generation Language
d. Fourth Generation Language

Ans. Third Generation Language

6. MAC address is of
a. 24 bits
b. 42 bits
c. 36 bits
d. 48 bits

Ans. 48 bits

7. High speed ethernet works on
a. coaxial cable
b. twisted pair cable
c. optical fiber
d. None of these

Ans. optical fiber

8. The following are components of a database except
a. User data
b. Metadata
c. Reports
d. Indexes

Ans. Reports

9. A row can be added using SQL in a database with which of the following?
a. Add
b. Insert
c. Create
d. MKDIR

Ans. Insert

10. A primary key should be defined as:
a. NULL
b. Not NULL
c. a or b
d. None of these

Ans. Not NULL



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