Computer Networks

251. Ethernet frames travel at the data link layer of the OSI model and must be a maximum of

1. 1515bytes
2. 1516bytes
3. 1517bytes
4. 1518bytes

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252. Ethernet frames travel at the data link layer of the OSI model and must be a minimum of

1. 32bytes
2. 64bytes
3. 128bytes
4. 256bytes

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253. Ethernet IEEE802.3 frame description of each field in ____________

1. Preamble (P)
2. Start Frame Delimiter (SFD)
3. Destination Address
4. All of these

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254. Ethernet is the ____________ expensive high-speed LAN alternative

1. More
2. Least
3. None of these
4. Above all

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255. Ethernet transmits and receives data at a speed of ____________

1. 5 million bits per second
2. 10 million bits per second
3. 15 million bits per second
4. 20 million bits per second

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256. Ethernet was first designed and installed by Xerox Corporation at its Palo Alto Research Center(PARC) in the mid ____________

1. 1960s
2. 1970s
3. 1980s
4. 1965s

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257. ETSI stands for

1. European Telecommunication Standards Institute
2. European Telephone Standards Institute
3. European Telecommunication Systems Institute
4. European Telecom Standards Institute

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258. Every communication channel has a ____________ which is defined as the frequency range

1. Channel
2. Bandwidth
3. Carrier
4. Data rate

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259. Every computer has a unique address called

1. IP
2. UDP
3. TCP
4. None of these

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260. Every protocol with a certain from of contact is known as

1. Protocol stack
2. Protocol suite
3. Stack
4. Suite

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