Networking Exam Review

What is the top speed of a Primary Rate (PRI) line?

• 1.536 Mbps

• 2.048 Mbps

• 1.544 Mbps

• 1.024 Mbps

How many 64 Kbps channels does a T1 line use?

• 24

• 12

• 30

• 48

Which of the following is the correct order from slowest to fastest?

• T1, E1, E3, T3

• T3, E3, E1, T1

• E1, T1, T3, E3

What is the speed of a T3 line?

• 44.736 Mbps

• 34.368 Mbps

• 155.52 Mbps

• 622.08 Mbps

What is the main difference between SDSL and ADSL?

• SDSL has the same upload and download speed, while ADSL has different upload and download speeds.

• SDSL is wireless, while ADSL requires a cable connection.

• SDSL is used for satellite internet, while ADSL is for DSL connections.

• SDSL is faster than ADSL in all scenarios.

Which type of line runs over shared bandwidth?

• Cable Modem

• DSL

• Fiber Optic

• Satellite

What frequency does 802.11a operate on?

• 5.6 Ghz

• 2.4 Ghz

• 3.6 Ghz

• 4.9 Ghz

What is the indoor range of 802.11n?

• 70m/230ft

• 50m/164ft

• 30m/98ft

• 90m/295ft

Which wireless standard has a speed of 11 Mbps?

• 802.11b

• 802.11a

• 802.11g

• 802.11n

Explain the use of ISDN in networking.

• ISDN is used for high-speed internet access.

• ISDN is used for digital transmission of voice and data over ordinary telephone copper wires.

• ISDN is used for wireless communication.

• ISDN is used for satellite communication.