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How does a computer know whether an arriving frame contains an ARP message? Explain.
The type field into the frame header gives that the frame contains an ARP message. A sender should assign a suitable value for the type field before transmitting the frame and a receiver should examine the type field in all incoming frames. For illustration, the Ethernet standard gives that the type field in an Ethernet frame carrying an ARP message should contain the hexadecimal value that is Ox806.
Illustration of type field in an Ethernet header
Illustration of type field in an Ethernet header used to give the frame contents. The value of 0x806 informs the receiver as the frame has an ARP message.
Suppose you have to develop an error recovery protocol for a link that is unreliable and delay sensitive, which of the following protocol would you choose? (i) Stop & wait.
How does bus arbitration typically work? i. A bus master waiting to use the bus asserts by the bus request. ii. A bus master cannot be the bus until it's request is grant
Write an assembly program to simulate a microwave
Explain the TEST instruction TEST instruction performs the AND operation. The difference is that AND instruction changes the destination operand whereas TEST instruction doesn
what shortcomings of smtp are over come by esmtp?
managing devices and disks
Q. Show the format text in Document window? You can format text in Document window by setting properties in Property inspector. First, select the text you want to format and th
DNS is The horizontal naming system.
Question 1 Discuss the working principle of an interrupt and hardware actions in interrupt handling 2 Discuss the important characteristics of 8237 3 Describe the format
What is priority interrupt? A priority interrupt is an interrupt that establishes a priority over the various sources to verify which condition is to be serviced first when two
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