1. The Bluetooth technology was named after the 10th century Danish King who unified Denmark. What is his first name?
a. Dennis
b. Harold
c. Michael
d. George
2. Bluetooth works in the range of 2.4 GHz frequency band commonly called the ISM band. ISM means
- Information Systems Management
- Information Standard Meter
- Industrial Scientific Medical
- Industrial Standard Medical
3. Bluetooth is a wireless proximity communication standard that has been under development for a few years, which promises to connect the electronic devices of all horizons, without wires, without infrared, only by
a. Audio frequencies
b. Radio frequencies
c. Light frequencies
d. Microwave frequencies
4. The protocol used by Bluetooth for carrying data over low power radio transmission.
a. TCP/IP
b. WAP
c. PIP
d. PPP
5. The following are characteristics of Bluetooth except
a. Small
b. Low power
c. Wireless
d. Long range
6. The range covered by Bluetooth technology
a. 10 m
b. 10 mi
c. 10 km
d. 10 in
7. One of the following statements about Bluetooth is false:
a. Bluetooth doesn’t require an LOS connection in order to communicate
b. Bluetooth is designed to operate in a noisy radio frequency environment
c. Bluetooth is a global de facto standard for wireless connectivity.
d. Bluetooth doesn’t use frequency hopping
8. A Bluetooth network with one master and one or more slaves.
a. Point to point
b. Point to multipoint
c. Piconet
d. Scatternet
9. The maximum number of devices in a piconet.
a. 12
b. 7
c. 8
d. 10
10. When two piconets are so close, they have overlapping coverage areas. This scenario is called
a. Interference
b. Crosstalk
c. Distortion
d. Scatternet
11. A new non-voice value added service that allows information to be sent and received across a mobile telephone network. It supplements today’s circuit switched data and short message service.
a. GPS
b. GPRS
c. WAP
d. FTP
12. The following are key user features of GPRS except
a. Speed
b. Immediacy
c. No store and forward
d. Service access
13. GPRS means
a. General Packet Radio System
b. Global Packet Radio Service
c. General Packet Radio Service
d. Global Positioning Radio System
14. One of the following GPRS statements is false.
a. GPRS uses, store and forward
b. GPRS facilitates instant connections whereby information can be sent and received immediately as the need arises.
c. GPRS fully enables mobile internet functionally
d. GPRS has limited cell capacity for all users.
15. The following are applications of GPRS except
a. Chat
b. Textual and visual information
c. Still and moving images
d. BISDN
16. 10Base2 and 10Base5 use BNC “T” connectors as media attachment units. BNC means
a. Bayonet Neill Concelman type
b. Blonet connector
c. BIOS Network Connector
d. Bias Network Connector
17. An application environment and set o communication protocols for wireless devices designed to enable manufacturer, vendor and technology independent access to the internet and advanced telephony services.
a. TCP/IP
b. WAP
c. PIP
d. PPP
18. An intermediary between the internet and the mobile network. It converts WAP request into a Web request when we send information from a mobile phone to the internet and vice versa.
a. WAP gateway
b. WAP interface
c. WTP
d. HTTP interface
19. The following are limitations of mobile phones for internet access except
a. Narrowband access
b. Small display
c. Limited memory
d. Network standard dependent
20. The WAP gateway transport layer that sends and receives messages via any available bearer network
a. WTLS
b. WDP
c. WTP
d. WSP
21. A new technology which offers both internet access and interactive television programming.
a. Interactive TV
b. Web TV
c. Satellite TV
d. Both a and b
22. A packet switched data network protocol which defines an international recommendation for the exchange of data as well as control information between a user device and a network node.
a. X.21
b. X.24
c. X.25
d. X.2
23. Used to create pages that can be delivered using WAP
- WAE
- WSL
- WML
- WTLS
24. An X.25 network layer protocol which manages packet exchange between DTE devices across virtual circuits.
a. LAPB
b. LAP
c. LAPD
d. PLP
25. One of the following is not a distinct mode operated by the PLP (Packet Layer Protocol).
a. Call set-up
b. Data transfer
c. Idle
d. Checksum
26. LABP in X.25 means
a. Link Access Procedure Balanced
b. Link Access Procedure B channel
c. Link Access Protocol Balanced
d. Link Access Protocol B- channel
27. Refers to communication services such as voice, facsimile or voice messaging applications transmitted via the internet
- VOIP
- TCP/IP
- PPP
- SLIP
28. The following are methods of making calls via VOIP except
- Directory services
- Point to point
- Gateway
- IP telephony
29. A flexible data communications system implemented as an alternative to r as an extension to a wired LAN. It uses RF technology to transmit and receive data over the air, minimizing the need for wired connection.
a. WAP
b. Wireless LAN
c. Satellite Internet Access
d. Direc PC
30. The following are Wireless LAN technologies except
- Narrowband
- Spread spectrum
- Infrared
- Wideband
31. One of the following is not a Wireless LAN Configuration
- Peer to peer
- Client and access point
- Use of an extension point
- Bus
32. In a typical wireless LAN configuration, it connects to the wired network from a fixed location using standard cabling. At a minimum, it receives buffers and transmits data between the wireless LAN and the wired network infrastructure.
- PCI card
- NIC
- Access point
- Extension point
33. The following are advantages of Wireless LAN except
- Mobility
- Flexibility
- Scalability
- Interoperability
34. A high performance, cell oriented switching and multiplexing technology that utilizes fixed length packets to carry different types of traffic.
- X.25
- Frame Relay
- ATM
- BISDN
35. An ATM cell has _____ bytes.
- 48
- 53
- 128
- 133
36. The basic unit in ATM which carries a single stream of cells in order from user to user.
- PVC
- CIR
- Virtual Path
- Virtual Channel
37. A public digital telecommunication standard that is designed to offer high end multimedia, television, CD quality music, data networking and other services to business and home users.
- BISDN
- ATM
- ISDN
- ADSL
38. The ATM layer which defines the cell format, how cells are transported and how congestion is handled, virtual circuit creation and termination.
a. Physical
b. Network
c. Adaptation
d. Application
39. The ATM interface between ATM connection points of the different carrier networks.
a. UNI
b. NNI
c. ICI
d. DXI
40. A service independent telecommunications network wherein intelligence is taken out of the switch and placed in computer nodes that are distributed throughout the network.
- IN
- CCS7
- BISDN
- ATM
41. The following are benefits from IN except
a. Introduce new service rapidly
b. Establish vendor independence
c. Provide service customization
d. Create open interface
42. A method of transmitting, sending and delivering voice over the Internet with a suitable quality of service.
- VOIP
- Web TV
- Wireless LAN
- BISDN
43. The following are VOIP methods except
a. Point to point
b. Directory
c. Gateway
d. Router
44. A secure, private communications tunnel between 2 or more devices across a public network, like the Internet
a. Wireless LAN
b. ISDN
c. VPN
d. VOIP
45. A user-to-LAN connection used by a company that has employees who need to connect to the private network from various remote locations.
a. Remote Access VPN
b. VPDN
c. Site to site VPN
d. Both a and b
46. The bluetooth specification was first developed by Ericsson and was later formalized by the Bluetooth SIG. SIG means
a. Special Interest Group
b. Service Investment Group
c. Service Independent Group
d. Server Investigation Group
47. Bluetooth devices with maximum output power of 100 mw are classified as Class
a. 1
b. 2
c. 3
d. 4
48. The TIA specification which is the basis of TDMA PCS air interface technology
a. IS-136
b. IEEE 802.15
c. IEEE 802.11
d. IS-54
49. Provides high speed internet access over existing copper telephone lines
a. ISDN
b. BISDN
c. DSL
d. HFC
50. An emissive flat panel display where light is created by phosphors excited by a plasma discharge between two flat panels of glass.
a. LCD
b. Plasma Display
c. CRT
d. HDTV
51. A generic term for a device that is similar to a VCR but records TV data in digital format
a. VTR
b. DAB
c. DVR
d. CDR
52. A nickname given to a family of international standards used for coding audio visual information in a digital compressed format.
a. JPEG
b. MPEG
c. DCT
d. WMV
53. The founder of the MPEG group
a. Chiariglione
b. Gozon
c. Blatand
d. Roentgen
54. Translates the pixel integer values into an 8-bit unsigned information that is used for further processing of the picture data.
a. Quantizer
b. DCT
c. DVR
d. LD
55. Compression standard used by VCD to store the video and audio
a. MPEG1
b. MPEG2
c. MPEG3
d. MPEG4
56. Compression standard used by DVD to store the video and audio
a. MPEG1
b. MPEG2
c. MPEG3
d. MPEG4
57. The following are DVD formats except
a. DVD-5
b. DVD-8
c. DVD-9
d. DVD-10
58. The aspect ratio of HDTV
a. 16:9
b. 1.78:1
c. 4:3
d. Both a and b
59. Compression and encoding scheme used by HDTV.
a. MPEG1
b. MPEG2
c. MPEG3
d. MPEG4
60. Is designed for compressing full-color or gray scale images of natural, real world scenes using 20:1 compression, 24 bits/pixels
a. JPEG
b. MPEG
c. BMP
d. GIF
61. The other image format widely used on the net which can only store 8 bits / pixel.
a. JPEG
b. MPEG
c. BMP
d. GIF
62. MPEG standard for multimedia applications.
a. MPEG1
b. MPEG2
c. MPEG4
d. MPEG7
63. A content representation standard for information search.
a. MPEG1
b. MPEG2
c. MPEG4
d. MPEG7
64. The first optical disc storage media
a. Laser Disc
b. CD
c. VCD
d. DVD
65. Bluetooth radio modules use _____ for modulation
a. GMSK
b. GFSK
c. PCM
d. DM
66. The three low power modes of Bluetooth to conserve battery life.
a. Sniff mode
b. Hold Mode
c. Park Mode
d. Run Mode
67. Matte painting is popularly known as
a. Bluescreen
b. Greenscreen
c. Computer Generation
d. Character Generation
68. The following are advantages of Greenscreen over Bluescreen except
a. Green paint has greater reflectance
b. Green screen takes less light to light it
c. Video cameras are usually most sensitive in the green channel
d. Green spill is usually objectionable and obvious even in small amounts
69. A technology for carrying may signals of different capabilities through a synchronous, flexible optical hierarchy
a. SONET
b. ATM
c. BISDN
d. HFC
70. It is one of the most important considerations in digital transmission. It is using a series of repetitive pulses to keep the bit rate of data constant and to indicate where the ones and zeroes are located in a data stream
a. Sync
b. Clocking
c. PRC
d. GMT
71. The following are SONET network elements except
a. Terminal multiplexer
b. Regenerator
c. ADM
d. PRC
72. A SONET process used when tributaries are adapted into Virtual Tributaries by adding justification bits and path overhead information
a. Mapping
b. Stuffing
c. Aligning
d. Multiplexing
73. A SONET network configuration with survivability or redundancy as its main advantage
a. Point to point
b. Point to multipoint
c. Hub network
d. Ring
74. A computerized system that provides non-simultaneous communication 24 hours a day. The system can answer your phone when you cannot or when you are on the phone and engaged with another call
a. Answering machine
b. Voice mail
c. Call waiting
d. PABX
75. The following statements about voice mail are true except
a. Voice mail provides an open telephone line
b. Voice mail places a number of calls even if the phone is unanswered
c. Voice mail offers 24 hours service a day
d. Voice mail service is expensive
76. The European or CCITT equivalent of SONET
a. HFC
b. PDH
c. SDH
d. ADSL
77. The following are typical SDH network equipment except
a. ADM
b. Terminal Unit
c. DXC
d. SCP
78. The fundamental signal of SDH is STM 1 with a fundamental rate of 155.52 Mbps. STM means
a. Synchronous Transport Module
b. Synchronous Transfer Mode
c. Standard Transport Mechanism
d. Service Transport Mode
79. A network within the SDH which allows the monitoring of the performance of the network detection and analysis of faults and the setting up and clearing down of links between customer locations
- STM
- PDH
- TMN
- STS
80. The device responsible for converting the 2-wire line from the local system into a 4-wire line to couple with the ISDN equipment.
- NTE
- TA
- Hybrid
- Transformer
81. The device that allows a non-ISDN equipment to be connected to the ISDN line.
- NTE
- TA
- Hybrid
- Transformer
82. ISDN channel used to carry signaling and supervisory information to the network.
- B
- D
- H
- BISDN
83. Speed of the D-channel for a PRI.
- 16 bps
- 64 kbps
- 128 kbps
- 32 kbps
84. H channel composed of 30 B channels
- H0
- H11
- H12
- H21
85. Speed of the BRI
- 64 kbps
- 128 kbps
- 144 kbps
- 256 kbps
86. PRI for US
- 2B + D
- 23B + D
- 30B + D
- 2.048 Mbps
87. Satellite Internet Access is a satellite delivered internet service which can provide a cost effective, high speed _____ internet solution to corporate users.
- Download
- Upload
- File transfer
- Mail transfer
88. A transceiver device used to connect the PC to a typical WLAN
- MAU
- Access point
- Access device
- Modem
89. A BISDN access network which transports high bit rate information on the existing copper pair telephone requiring no changes to the PSTN.
- HFC
- FTTB
- Radio access
- ADSL
90. A BISDN equipment located at the subscriber premises which bridges the cable and separates the telephony from video signals on the downstream and injects signals on the upstream.
- CCU
- CAU
- Cable Router
- Cybersurfr modem
91. A BISDN equipment which provides the interface between an HFC transmission system and local and remote TCP/IP networks.
- CCU
- CAU
- Cable Router
- Cybersurfr modem
92. A service independent telecommunications network where intelligence is taken out of the switch and placed in computer nodes that are distributed throughout the network.
- IN
- BISDN
- Web TV
- VOIP
93. A service requiring transmission channels capable of supporting rates greater than the primary rate.
- IN
- BISDN
- Web TV
- VOIP
94. A flexible data communications system implemented as an extension to or as an alternative for a wired local area network within a building or campus.
- IN
- WIN
- WLAN
- BISDN
95. A DISDN service by which consumers purchase goods and services from TV channels dedicated to selling products or from on-line computer service providers.
- Telemarketing
- Home Shopping
- Smart Shopping
- TV Ads
96. A cable service that allows viewers to purchase movies r special events on a feature basis.
- Pay Per View
- Video On Demand
- NVOD
- CATV service
97. Interactive services that enables students from around the country to participate in virtual classrooms.
- Distance Learning
- International Correspondence Courses
- Interactive Classroom
- Internet Classroom Assistance
98. Consulting face to face with a doctor would be as easy as placing a telephone call. Home check-ups could be possible with an interactive network.
- Physical Examinations
- Telemedicine
- Telecheck-up
- Virtual Doctor
99. Financial transactions may be conducted at home. Beyond monitoring account balances, users could authorize electronic fund transfers to pay bills, analyze stock performance of create a home budget.
a. Home Banking
b. Telebanking
c. ATM
d. Virtual ATM
100. Two digital signals whose transmission occur at almost the same rate are
a. Asynchronous
b. Synchronous
c. Plesiochronous
d. Mesochronous
101. Which of the following is not a basic SONET element?
a. Switch interface
b. Digital loop carrier
c. Service control point
d. Add/drop multiplexer
102. SONET systems are
a. Twisted pair copper based technology
b. Fiber optic technology
c. Hybrid fiber coax technology
d. Wireless technology
103. STM means
a. Synchronous Transport Module
b. Synchronous Transfer Mechanism
c. Section Terminating Module
d. Synchronous Transfer Mode
104. The new name of CCITT
a. SCC
b. DECT
c. ITU-T
d. ANSI
105. The following are Wireless LAN configurations except
a. Peer to peer
b. Client & access point
c. Multiple access points & roaming
d. Ring
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