The router mainly works inOSI.Which layer in the model?
Answer(s): C
IPA part of the fields in the message are specifically used to describe the life cycle of the message, namelyTTLValue, what is its maximum value?
Answer(s): A
Is the following description correct?LANThe transmission form is generally bus-based, and the most commonly used corresponding protocols are carrier sensing and collision detectionCSMA/CDprotocol.
Is the following description correct?Ethernet technology is a widely used technology, divided according to different transmission rates, there are10M,100M,1000MThree categories, of which10Mversus100MThe common transmission medium of Ethernet is twisted pair, but1000MDue to the high speed of Ethernet, optical fiber must be used as the transmission medium.
Answer(s): B
Is the following description correct?The computer in the local area network judges whether the received broadcast frame is what it should receive is to judge the source of the frameMACIs the address the same as the hardware address of the machine.
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