Question

MULTIPLE CHOICE

1. WiMAX is based on the ______ standard.

A) IEEE 802.11                      B) IEEE 802.11a

C) IEEE 802.13                      D) IEEE 802.16

2. The key stumbling blocks in installing ______ systems are obtaining permission to use a given frequency band and finding a suitable elevated site for the BS antennas.

A) WBA                      B) BWA

C) WLL                       D) WCL

3. The set of network functions needed to provide radio access to WiMAX subscribers is:

A) CSN                        B) ASN

C) NAP                        D) NSP

4. A ________ is a set of network functions that provide IP connectivity services to WiMAX subscribers.

A) Network Service Provider           B) Access Service Network

C) Connectivity Service Network     D) Network Access Provider

5. _______ applications transmit at a rate that varies with time.

A) RT-VR                   B) UGS

C) ERT-VR                  D) all of the above

6. The _______ service is to support real-time applications with variable data rates, which require guaranteed data and delay.

A) NRT-VR                 B) ERT- VR

C) FPS                         D) BE

7. The _______ service is suitable for applcations that can tolerate variable delays and rates.

A) nrtPS                      B) NRT-VR

C) BE                           D) rtPS

8. _______ employs a single, relatively large, uplink frequency band that is used to transmit a sequence of time slots.

A) DAMA                   B) TDMA

C) LOS                         D) RT-VR

9. The _________ is an Internet standard protocol for transporting IP datagrams over a point-to-point link.

A) OBEX                      B) TCP/IP      

C) WAP                       D) PPP

10. A ________ consists of a master and from one to seven active slave devices.

A) piconet                  B) wireless local loop

C) scatternet              D) unsolicited grant service

11. The header format for all Bluetooth packets consists of ______ fields.

A) four                        B) six

C) eight                       D) ten

12. Bluetooth defines _______ types of logical data channels designated to carry different types of payload traffic.

A) two                         B) three

C) four                        D) five

13. A _________ is a set of parameters that indicate a performance level that the transmiter will attempt to achieve.

A) flow specification             B) scatternet

C) piconet                               D) TDMA burst

14. The _________ is the maximum acceptable delay between transmission of a bit by the sender and its initial transmission over the air, expressed in microseconds.

A) peak bandwidth               B) token rate

C) latency                               D) delay variation

15. The _________ is the difference, in microseconds, between the maximum and minimum possible delay that a packet will experience.

A) delay variation                  B) latency

C) token rate                          D) peak bandwidth

Answer 1

ANSWERS:

1. D) IEEE802.16

2. C) WLL

3. B) ASN

4. C) Connectivity service Network

5. D) all the above

6. B) ERT-VR

7. B) NRT-VR

8. B) TDMA

9. D) PPP

10. A) piconet

11. A) four

12. D) five

13. A) flow specification

14. c) latency

15. A) delay variation