Pre Test
- What is DNS? a. Domain Name System
- Modulator and demodulator as combinely is known as __________. a. Modulus
- In which topology, 'All hosts are connected to a central device, known as hub device, using a point-to point connection'? a. Bus topology
- The switch needs ________ address to forward the data. a. IP address
- Which of the following not a type of bridge? a. Simple bridge
- A device that provides a central connection point for cables is? a. Switch
- A device that is used to connect a number of LANs is? a. Router
- How many layers does the OSI Reference Model have? a. 4
- Which one of the following network devices transmits the data in the form of packets? a. Router
- ___________ is an example of half-duplex data flow. a. Walkie-talkie
b. Domestic Name System
c. Diagonal Naming System
d. None of these
b. Modem
c. Mod switch
d. Mod access
b. Mesh Topology
c. Star Topology
d. Hybrid Topology
b. MAC address
c. Both a and b
d. None of the above
b. Network bridge
c. Multiport bridge
d. Transparent bridge
b. Hub
c. Gateway
d. Proxy Server
b. Repeater
c. Bridge
d. Switch
b. 5
c. 6
d. 7
b. Bridge
c. Both a and b
d. None of the above
b. Keyboards
c. Telephone lines
d. None of the above
