Revision on Unit 15

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Revision on Unit 15


Froggy Jumps Revision on Unit 15Versión en línea Revision on Unit 15 por Athar Ghareb 1 Circuit switching is connection-oriented a True b c False 2 PSTN stands for Private Switched Telephone Network. a True b c False 3 Packet switching has low installation costs. a True b c False 4 In packet-switching each packet finds its way using the information it carries, such as the source and destination IP address. a True b c False 5 The compression doesn’t affect the Voice quality in the VOIP system a True b c False 6 Time Division Multiplexing: Divides ……… a Frequency b Frames c B. W 7 Frequency Division Multiplexing: Divides into multiple ……… a Frequency b Frames c B.W 8 In-circuit switching, there is no in data flow because of the dedicated transmission path. a speed b delay c Quality 9 Each section of a phone number serves a specific purpose: The first 3 digits are the ….. a area code b The exchange c unique phone ID, 10 Each section of a phone number serves a specific purpose: the next 3 digits are the ….. a area code b The exchange c unique phone ID 11 Each section of a phone number serves a specific purpose: the last 4 digits represent your recipient's are the.. a area code b The exchange c unique phone ID, 12 Depending on where you are and where the call is going, . If you are in another part of town in the same city a CO b Tandem Office c Toll Office 13 Depending on where you are and where the call is going, ............... If you're in the same neighborhood as your recipient a CO b Tandem Office c Toll Office 14 Depending on where you are and where the call is going, If you are in another city or state from your recipient a CO b Tandem Office c Toll Office 15 Depending on where you are and where the call is going,. If you are in a different country from your recipient a CO b Toll Office c International Gateway 16 … contains the addressing information of the packet and is used by the intermediate routers to direct it towards its destination. a Header b Trailer c Payload 17 … carries the actual data. a Header b Trailer c Payload 18 Voice quality may suffer when compression is used, but compression _ _ _ bandwidth requirements a increase b Reduces c does not affected 19 Most important VOIP protocol is The Session Initiation Protocol …… a SIP b RIP c RTP 20 Packet Switching is no need to establish a dedicated circuit for communication. a True b c False 21 Circuit switching is no need to establish a dedicated circuit for communication. a True b c False 22 In circuit switching, the bandwidth and data transmission rate are fixed a True b c False 23 ..... system essentially transforms your business phone system into a central office a BBX b PBX c PSTN 24 VoIP needs a high-speed internet connection. a True b c False 25 1G Support data rate up to 9.6 – 14.4 Kbps a True b c False

Revision on Unit 15

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Revision on Unit 15Versión en línea

por Athar Ghareb

Circuit switching is connection-oriented

PSTN stands for Private Switched Telephone Network.

Packet switching has low installation costs.

In packet-switching each packet finds its way using the information it carries, such as the source and destination IP address.

The compression doesn’t affect the Voice quality in the VOIP system

Time Division Multiplexing: Divides ………

Frequency Division Multiplexing: Divides into multiple ………

In-circuit switching, there is no in data flow because of the dedicated transmission path.

Each section of a phone number serves a specific purpose: The first 3 digits are the …..

Each section of a phone number serves a specific purpose: the next 3 digits are the …..

Each section of a phone number serves a specific purpose: the last 4 digits represent your recipient's are the..

Depending on where you are and where the call is going, . If you are in another part of town in the same city

Depending on where you are and where the call is going, ............... If you're in the same neighborhood as your recipient

Depending on where you are and where the call is going, If you are in another city or state from your recipient

Depending on where you are and where the call is going,. If you are in a different country from your recipient

… contains the addressing information of the packet and is used by the intermediate routers to direct it towards its destination.

… carries the actual data.

Voice quality may suffer when compression is used, but compression _ _ _ bandwidth requirements

Most important VOIP protocol is The Session Initiation Protocol ……

Packet Switching is no need to establish a dedicated circuit for communication.

Circuit switching is no need to establish a dedicated circuit for communication.

In circuit switching, the bandwidth and data transmission rate are fixed

..... system essentially transforms your business phone system into a central office

VoIP needs a high-speed internet connection.

1G Support data rate up to 9.6 – 14.4 Kbps