Computer Network MCQ'S

In a DS-SS systems the

bit rate = 1Mbps

chip rate =7 Mbps

1.The length of the memory of the PN sequence generator of the above system is

1.4   

2.5

3.3

4.6

2.To enable DSL technology internet service provider must have a ­­________ located in their networks

to interact with customer modem

1.LAN switch

2. .RPR

3. DSLAM

4. PRP

3. A local loop has ______cable that connects the subscriber telephone to the nearest end office.

1. Twisted  wire pair

2.Co-axial

3. Fiber-optic

4. Coiled  

4.A minimum sampling rate of  ____ is required for a good quality representation of telephone conversation.

1. 20KHz

2.4KHz

3. 40KHz

4.8KHz