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

0.999

0.003

0.991

0.009

None of these

0.999

0.003

0.991

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Computer Networking
What is the maximum distance running the lowest data rate for 802.11a?

About 100 feet

About 350 feet

About 175 feet

About 300 feet

About 100 feet

About 350 feet

About 175 feet

About 300 feet

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Computer Networking
A central computer surrounded by one or more satellite computers is called a

ring network

All of these

star network

None of these

bus network

ring network

All of these

star network

None of these

bus network

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Computer Networking
Which of the following commands will display the current IP addressing and the layer 1 and 2 status of an interface?1. show version2. show protocols3. show interfaces4. show controllers5. show ip interface

1, 2 and 4

None of these

2, 3 and 5

3 and 4 only

1, 2 and 4

None of these

2, 3 and 5

3 and 4 only

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Computer Networking
The Acme Corporation is implementing dial-up services to enable remote-office employees to connect to the local network. The company uses multiple routed protocols, needs authentication of users connecting to the network, and since some calls will be long distance, needs callback support. Which of the following protocols is the best choice for these remote services?

PPP

PAP

HDLC

802.1

Frame Relay

PPP

PAP

HDLC

802.1

Frame Relay

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Computer Networking
The DoD model (also called the TCP/IP stack) has four layers. Which layer of the DoD model is equivalent to the Network layer of the OSI model?

Network Access

Host-to-Host

Application

Internet

Network Access

Host-to-Host

Application

Internet

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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 What is the maximum distance running the lowest data rate for 802.11a?

Computer Networking A central computer surrounded by one or more satellite computers is called a

Computer Networking Which of the following commands will display the current IP addressing and the layer 1 and 2 status of an interface?1. show version2. show protocols3. show interfaces4. show controllers5. show ip interface

Computer Networking The DoD model (also called the TCP/IP stack) has four layers. Which layer of the DoD model is equivalent to the Network layer of the OSI model?

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
What is the maximum distance running the lowest data rate for 802.11a?

Computer Networking
A central computer surrounded by one or more satellite computers is called a

Computer Networking
Which of the following commands will display the current IP addressing and the layer 1 and 2 status of an interface?1. show version2. show protocols3. show interfaces4. show controllers5. show ip interface

Computer Networking
The DoD model (also called the TCP/IP stack) has four layers. Which layer of the DoD model is equivalent to the Network layer of the OSI model?