The probability that a single bit will be in error on a typical public telephone line using 4800 bps modem is 10 to the power -3. If no error detection mechanism is used, the residual error rate for a communication line using 9-bit frames is approximately equal to

Computer Networking
The probability that a single bit will be in error on a typical public telephone line using 4800 bps modem is 10 to the power -3. If no error detection mechanism is used, the residual error rate for a communication line using 9-bit frames is approximately equal to

0.009

None of these

0.991

0.999

0.003

0.009

None of these

0.991

0.999

0.003

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Computer Networking
Which of the following is a wrong example of network layer?

X.25 level 2-ISO

X.25 Packet Level Protocol (PLP)-ISO

Source routing and domain naming-USENet

Internet Protocol (IP) - ARPANET

X.25 level 2-ISO

X.25 Packet Level Protocol (PLP)-ISO

Source routing and domain naming-USENet

Internet Protocol (IP) - ARPANET

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Computer Networking
Modulation in which the two binary values are represented by two different amplitudes of the carrier frequency is known as

None of these

Amplitude-shift keying

Amplitude

Aloha

Amplitude modulation

None of these

Amplitude-shift keying

Amplitude

Aloha

Amplitude modulation

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Computer Networking
If a switch receives a frame and the source MAC address is not in the MAC address table but the destination address is, what will the switch do with the frame?

Flood the network with the frame

Add the source address and port to the MAC address table and forward the frame out the destination port

Add the destination to the MAC address table and then forward the frame

Discard it and send an error message back to the originating host

Flood the network with the frame

Add the source address and port to the MAC address table and forward the frame out the destination port

Add the destination to the MAC address table and then forward the frame

Discard it and send an error message back to the originating host

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Computer Networking
What is the maximum number of entries in the HOSTS file?

Unlimited

8

500

None of these

255

Unlimited

8

500

None of these

255

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Computer Networking
You have a class A network address 10.0.0.0 with 40 subnets, but are required to add 60 new subnets very soon. You would like to still allow for the largest possible number of host IDs per subnet. Which subnet mask should you assign?

255.254.0.0

255.255.255.255

255.240.0.0

255.252.0.0

255.248.0.0

255.254.0.0

255.255.255.255

255.240.0.0

255.252.0.0

255.248.0.0

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Computer Networking

Computer Networking The probability that a single bit will be in error on a typical public telephone line using 4800 bps modem is 10 to the power -3. If no error detection mechanism is used, the residual error rate for a communication line using 9-bit frames is approximately equal to

Computer Networking Which of the following is a wrong example of network layer?

Computer Networking Modulation in which the two binary values are represented by two different amplitudes of the carrier frequency is known as

Computer Networking If a switch receives a frame and the source MAC address is not in the MAC address table but the destination address is, what will the switch do with the frame?

Computer Networking What is the maximum number of entries in the HOSTS file?

Computer Networking You have a class A network address 10.0.0.0 with 40 subnets, but are required to add 60 new subnets very soon. You would like to still allow for the largest possible number of host IDs per subnet. Which subnet mask should you assign?

Computer Networking
The probability that a single bit will be in error on a typical public telephone line using 4800 bps modem is 10 to the power -3. If no error detection mechanism is used, the residual error rate for a communication line using 9-bit frames is approximately equal to

Computer Networking
Which of the following is a wrong example of network layer?

Computer Networking
Modulation in which the two binary values are represented by two different amplitudes of the carrier frequency is known as

Computer Networking
If a switch receives a frame and the source MAC address is not in the MAC address table but the destination address is, what will the switch do with the frame?

Computer Networking
What is the maximum number of entries in the HOSTS file?

Computer Networking
You have a class A network address 10.0.0.0 with 40 subnets, but are required to add 60 new subnets very soon. You would like to still allow for the largest possible number of host IDs per subnet. Which subnet mask should you assign?