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Chapter 1 T/F



This activity contains 10 questions.

Question 1.
Before sending a packet into a datagram network, the source must determine all of the links that packet will traverse between source and destination.

   
 
End of Question 1


Question 2.
Layers four and five of the Internet protocol stack are implemented in the end systems but not in the routers in the network core.

   
 
End of Question 2


Question 3.
The Internet provides its applications two types of services, a TDM service and a FDM service.

   
 
End of Question 3


Question 4.
ADSL bandwidth is shared.

   
 
End of Question 4


Question 5.
With ADSL, each subscriber gets more downstream bandwidth than upstream bandwidth.

   
 
End of Question 5


Question 6.
Twisted-pair cooper wire is no longer present in computer networks.

   
 
End of Question 6


Question 7.
Suppose 10 connections traverse the same link of rate 1 Gbps. Suppose that the client access links all have rate 5 Mbps. Then the maximum throughput for each connection is 100 Mbps.

   
 
End of Question 7


Question 8.
The acronym API in this textbook stands for “Advanced Performance Internet”.

   
 
End of Question 8


Question 9.
Consider a queue preceding a transmission link of rate R. Suppose a packet arrives to the queue periodically every 1/a seconds. Also suppose all packets are of length L. Then the queuing delay is small and bounded as long as aL < R.

   
 
End of Question 9


Question 10.
In the connection flooding attack, the attacker sends a deluge of packets to the targeted host, clogging the target’s access link with packets.

   
 
End of Question 10





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