A switch's interface has a transmission rate of 70 Mbps. How long will the switch take to transmit a full Ethernet frame of 1526 bytes? 174 microseconds 200 microseconds 45 microseconds 9 milliseconds What is the primary responsibility of the physical layer? To transmit individual bits across a medium To transmit data between two directly connected network devices To transmit data between two hosts across a network of many interconnected devices To provide end-to-end services such as reliable delivery, flow control, and persistent connection To provide a service to the end user such as delivering a web page or transferring a file Suppose users share a 20 Mbps link. Also suppose each user transmits continuously at 2 Mbps when transmitting, but each user transmits only 30 percent of the time. If circuit switching is used, how many users can be supported? 5 10 2 20 What is the network address of the IP address 207.45.155.108/20? How many host addresses can you have in the following subnet 201.18.23.0/29? Assume that all addresses in this block can be used as a host address. How long does it take to send a 100MB file from host A to host B over a circuit-switched network? Each link along the way has a bandwidth of 10MB/sec and is divided into 10 slots. Finally, it takes 1 second to setup and establish the circuit. Convert the IP address 11000100.00100110.01111110.10010000 to dotted decimal format. Do not use a calculator. Which class of routing algorithms is likely to require more memory to store state information? Link State Distance Vector

A+ Guide To It Technical Support

10th Edition

ISBN:9780357108291

Author:ANDREWS, Jean.

Publisher:ANDREWS, Jean.

Chapter9: Supporting Mobile Devices

Section: Chapter Questions

Problem 17TC

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A switch's interface has a transmission rate of 70 Mbps. How long will the switch take to transmit a full Ethernet frame of 1526 bytes? 174 microseconds 200 microseconds 45 microseconds 9 milliseconds What is the primary responsibility of the physical layer? To transmit individual bits across a medium To transmit data between two directly connected network devices To transmit data between two hosts across a network of many interconnected devices To provide end-to-end services such as reliable delivery, flow control, and persistent connection To provide a service to the end user such as delivering a web page or transferring a file Suppose users share a 20 Mbps link. Also suppose each user transmits continuously at 2 Mbps when transmitting, but each user transmits only 30 percent of the time. If circuit switching is used, how many users can be supported? 5 10 2 20 What is the network address of the IP address 207.45.155.108/20? How many host addresses can you have in the following subnet 201.18.23.0/29? Assume that all addresses in this block can be used as a host address. How long does it take to send a 100MB file from host A to host B over a circuit-switched network? Each link along the way has a bandwidth of 10MB/sec and is divided into 10 slots. Finally, it takes 1 second to setup and establish the circuit. Convert the IP address 11000100.00100110.01111110.10010000 to dotted decimal format. Do not use a calculator. Which class of routing algorithms is likely to require more memory to store state information? Link State Distance Vector

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