Traffic in a telephone network

Offered load is

• from the caller

• from the Internet

• carried by the network

• refused by the network

Carried load is

• from the callers

• from the computers

• carried by the network

• carried by the computer

Traffic load in a telephone network is measured in unit of ....

• calls

• bits

• bit/s

• Erl

The traffic changes everyday

• True

• False

The traffic does not change every hour

• True

• False

Which one is the busiest hour according to the chart?

• 9 AM

• 10 AM

• 11 AM

• 12 AM

What is the formula of?

• Giờ bận theo thời gian

• Giờ đỉnh trung bình hàng ngày

• Giờ bận hàng ngày

• Giờ đỉnh theo giờ