Computer Networking a top-down Approach 7th

1.  Home Self-Assessment True/False Quiz Chapter 1
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Self-Assessment True/False Quiz
Chapter 1: Computer Networks and the Internet
Before sending a packet into a datagram network, the source must determine all of
the links that packet will traverse between source and destination.
Layers four and ve of the Internet protocol stack are implemented in the end
systems but not in the routers in the network core.
The Internet provides its applications two types of services, a TDM service and a FDM
service.
Computer Networking: a Top-Down
Approach, 7th Edition
Kurose • Ross
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ADSL bandwidth is shared.
With ADSL, each subscriber gets more downstream bandwidth than upstream
bandwidth.
Twisted-pair cooper wire is no longer present in computer networks.
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.
The acronym API in this textbook stands for “Advanced Performance Internet”.
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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.
In the connection ooding attack, the attacker sends a deluge of packets to the
targeted host, clogging the target’s access link with packets.
Ethernet is a popular residential Internet access technology.
In a virtual-circuit packet-switched network, a packet switch maintains state
information for each connection passing through the router.
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Network News was present in the Internet before the emergence of the World Wide
Web?
The HTTP protocol was invented at Netscape in the early 1990s.
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