Is Ethernet a layer 1 or 2?

Ethernet operates in the lower two layers of the OSI model: the Data Link layer and the Physical layer. Ethernet operates across two layers of the OSI model.cat6 cable

What does TCP stand for?

Transmission Control ProtocolTransmission Control Protocol (TCP) is a communications standard that enables application programs and computing devices to exchange messages over a network.

What is in CAN protocol?

A media access control protocol data unit (MAC or M) is a message that is exchanged between media access control (MAC) entities in a communication system based on the layered OSI model.

What is PS core in telecom?

The core network contains two parts, the CS domain, and the PS domain. The CS refers to 'Circuit Switching' , while the PS refers to 'Packet Switching'. The CS domain handles voice calls, while the PS domain handles data sessions.

Is MBA better than PMP?

An MBA is a more prestigious and recognizable degree than a PMP certificate, making it a better choice for those who want to pursue a high-level career in the business industry. An MBA graduate can gain knowledge on many aspects of business administration, which can make it easier to change their career trajectory.

What is PMP passing score 2021?

If you want to pass the exam, I suggest you aim for more than 70% or 126 questions out of 180. Additionally, in January 2021, the PMI migrated the exam to the new exam content outline, including Agile and Adoptive project management methodologies. The candidates are complaining that the test is hard.pdu

What OSI layer is LTE?

This chapter discusses a long term evolution (LTE) air interface by describing three protocols in a data link layer, layer 2 of the OSI model. The medium access control (MAC) protocol schedules all the transmissions that are made on the LTE air interface and controls the low-level operation of the physical layer.室內天線

Is 208V single-phase or 3 phase?

120/208V single phase is derived from 208V three phase power. If viewed on an oscilloscope, the three voltage waveforms on the three "hot” conductors all peak at different times: each one is 120 degrees behind the next.

Which country invented 5G?

The first country to adopt 5G on a large scale was South Korea, in April 2019. Swedish telecoms giant Ericsson predicted that 5G internet will cover up to 65% of the world's population by the end of 2025.

How many kW does a server use?

For instance, one server can use between 500 to 1,200 watts per hour, according to Ehow.com. If the average use is 850 watts per hour, multiplied by 24 that equals 20,400 watts daily, or 20.4 kilowatts (kWh).

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