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- none of the above
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Data link layer retransmits the damaged frames in most networks. If the probability of a frame's being damaged is p, what is the mean number of transmissions required to send a frame if acknowledgements are never lost.?
Answer: Option 3 Let'
1 Answers 4 views
What is the minimum number of wires required for sending data over a serial communications links?
Answer: Option 1 Let'
1 Answers 1 views
When two computers communicate with each other, they send information back and forth. If they are separated by a reasonable distance, they can send and receive the information through a direct cable connection which is called a null-modem connection. Presently what is the maximum distance in metres permitted in this null-modem connection?
Answer: Option 3 Let'
1 Answers 8 views
Thickness of thermal boundary layer is more compared to that of hydrodynamic boundary layer, when the value of Prandtl number is?
Answer: Option 2 Let'
1 Answers 1 views
What operates in the Data Link and the Network layer?
Answer: Option 3 Let'
1 Answers 1 views
What function does a serial interface perform in data communication?
Answer: Option 3 Let'
1 Answers 1 views
Which of the following uses ATM as the Data Link layer protocol that's terminated at what's known as the DSLAM?
Answer: Option 1 ATM is the Data-Link layer protocol that's typically used over the DSL layer 1 connection from the CPE and terminated at what's known as the DSLAM-an ATM...
1 Answers 1 views
The ratio of the thickness of thermal boundary layer to the thickness of hydrodynamic boundary layer is equal to (Prandtl number) n, where n is equal to?
Answer: Option 1 The ratio of the thickness of thermal boundary layer to the thickness of hydrodynamic boundary layer is equal to -1/3
1 Answers 1 views