Welcome to Networking Quiz, Entry Level !!

Question 1. The geostationary satellite used for communication systems

rotates with the earth

remains stationary relative to the earth

is positioned over equator

all of the above

Question 2. Frames from one LAN can be transmitted to another LAN via the device

router

bridge

repeater

modem

Question 3. What is the default subnet mask for a class C network?

127.0.0.1

255.0.0.0

255.255.255.0

255.255.0.0

Question 4. A distributed network configuration in which all data/information pass through a central computer is

bus network

star network

ring network

point-to-point network

Question 5. contention is ?

One or more conductors that serve as a common connection for a related group of devices

a continuous frequency capable of being modulated or impressed with a second signal

the condition when two or more stations attempt to use the same channel at the same time

a collection of interconnected functional units that provides a data communications service among stations attached to the network

Question 6. Which of the following is used for modulation and demodulation?

modem

protocols

gateway

multiplexer

Question 7. Which of the following is not a reason to use fiber-optic cables for point to point data transmission?

Need to assure data security.

Avoidance of ground loops.

Data-transfer rates too low to use metal cables.

Elimination of spark hazards.

Question 8. What frequency range is used for FM radio transmission?

Very Low Frequency : 3 kHz to 30 kHz

Low Frequency : 30 kHz to 300 kHz

High Frequency : 3 MHz to 30 MHz

Very High Frequency : 30 MHz to 300 MHz

Question 9. The communication mode that supports two-way traffic but only one direction at a time is

simplex

duplex

multiplex

half-duplex

Question 10. Which of the following layer protocols are responsible for user and the application programmer support such as passwords, resource sharing, file transfer and network management?

Layer 7 protocols

Layer 6 protocols

Layer 5 protocols

Layer 4 protocols