1. What is the acronym for Global System for Mobile Communications?
a. GSMC
b. GSM
c. GSFM
d. GMSC
e. Answer: B: Section 1
2. When was the first commercial GPRS network launched?
a. 1995
b. 1991
c. 2000
d. 2005
e. Answer: C: Section 1
3. What throughput would be received with 4 timeslots assigned to GPRS service if operating at
maximum efficiency?
a. 85.6 kbps
b. 21.4 kbps
c. 114 kbps
d. 60 kbps
e. Answer: A: Section 1
4. What throughput would be received with 3 timeslots assigned to EDGE service if operating at
maximum efficiency?
a. 85.6 kbps
b. 118 kbps
c. 178 kbps
d. 473.6 kbps
e. Answer: C: Section 1
5. UMTS is a TDMA based network.
a. True
b. False
c. Answer: B: Section 1
6. ITU standards are enforced in the USA.
a. True
b. False
c. Answer: B: Section 2
7. Which network element generates authentication vectors?
a. MSC
b.
c.
d.
e.
VLR
HLR
SGSN
Answer C: Section 4
8. Which database permanently stores subscriber data?
a. MSC
b. VLR
c. HLR
d. SGSN
e. Answer C: Section 4
9. A MSISDN is formally defined in?
a. ITU-T Q.711
b. ITU-T E.164
c. ITU-T E.212
d. ITU-T E.214
e. Answer B: Section 4
10. A GERAN defines which generation of technology?
a. 2G
b. 3G
c. 4G
d. 2.5G
e. Answer A: Section 4 – D could be argued as accurate but is technically inaccurate since
the term GERAN applies to either of a GPRS or EDGE RAN.
11. During registration to a network, the HPLMN is always selected first (if available)?
a. True
b. False
c. Answer A: Section 4
12. A 3G SIM card uses which file to determine a preferred PLMN during registration?
a. OPL
b. OPLMNwACT
c. HPLMN
d. EHPLMN
e. Answer B: Section 4
13. Network selection is based on?
a. Strongest Signal
b. Lowest MCC/MNC
c. 3GPP TS 23.122
d. 3GPP TS 24.008
e. Answer C: Section 4
14. Authentication quintuplets for 3G include?
a. RAND, XRES, Ck, Ik, AUTN
b. RAND, SRES, Kc
c. RAND, Ck, AUTN, SRES, AUTN
d. RAND, Ik, XRES, Kc, AUTN
e. Answer A: Section 4
15. What makes an APN globally unique?
a. Name
b. GGSN IP Address
c. APN Operator ID
d. APN + APN-OI
e. Answer D: Section 4
16. Which of the following is NOT an application layer protocol in SS7?
a. MAP
b. CAP
c. ISUP
d. SCCP
e. Answer D: Section 5
17. SS7 Routing can be based on all of the following except?
a. Point Code
b. Global Title
c. XUDT
d. SubSystem Number
e. Answer C: Section 5
18. GTP is used for registering on a network?
a. True
b. False
c. Answer B: Section 5
19. Match the Port number to the correct GTP Protocol
A. 3386
A. GTP-Cv1
B. 2123
B. GTP-U
C. 2152
C. GTP-Cv0
a. Answer: A => C, B=>A, C=>B Section 5
20. The latest version of Android OS is?
a. Ice Cream Sandwich
b. Kit Kat
c. Homeycomb
d. Jelly Bean
e. Answer B: Section 6