CS 6250 Quizzes Questions and Answers UPDATED ACTUAL QUESTIONS AND
CORRECT ANSWERS
, T/F If you build an application on top of UDP you can't False
incorporate additional services at the application layer
itself, that are not offered by UDP
Hosts, routers, switches and middlebox devices are False
expected to implements all layers of the internet
protocol stack
As a packet traverses the path from source to destination False
along the physical layer, each node de-encapsulates the
packet before sending it
The end to end principle suggests the network core True
minimal and offload the intelligence to the end systems
Most innovation has happened at the protocol layers at False
the 'waist' of the hourglass
The Evolutionary Architecture model suggests that the ip True
protocol survived because the protocols at the transport
layer have been stable themselves
The Evolutionary Architecture model suggests TCP/IP True
stack did not compete with pre-existing network services,
instead it targeted new applications
The Evolutionary Architecture model predicts new True
internet architectures will have an hourglass shape
Hubs can be used interchangeably with layer 2 switches False
Which are true about learning bridges: The forwarding table represents which hosts are reachable through which ports
-a network operator needs to configure the forwarding
table
-a learning bridge populates the forwarding table based
on the network traffic conditions such as volume and
traffic disruptions
-The forwarding table represents which hosts are
reachable through which ports
The goal of the spanning tree algorithm is to have True
bridges select which ports to use for forwarding in order
to eliminate loops
UDP and TCP have a large overlap of functionalilites False
The transport layer offers a logical connection between False
hosts given that the hosts reside in the same network
CORRECT ANSWERS
, T/F If you build an application on top of UDP you can't False
incorporate additional services at the application layer
itself, that are not offered by UDP
Hosts, routers, switches and middlebox devices are False
expected to implements all layers of the internet
protocol stack
As a packet traverses the path from source to destination False
along the physical layer, each node de-encapsulates the
packet before sending it
The end to end principle suggests the network core True
minimal and offload the intelligence to the end systems
Most innovation has happened at the protocol layers at False
the 'waist' of the hourglass
The Evolutionary Architecture model suggests that the ip True
protocol survived because the protocols at the transport
layer have been stable themselves
The Evolutionary Architecture model suggests TCP/IP True
stack did not compete with pre-existing network services,
instead it targeted new applications
The Evolutionary Architecture model predicts new True
internet architectures will have an hourglass shape
Hubs can be used interchangeably with layer 2 switches False
Which are true about learning bridges: The forwarding table represents which hosts are reachable through which ports
-a network operator needs to configure the forwarding
table
-a learning bridge populates the forwarding table based
on the network traffic conditions such as volume and
traffic disruptions
-The forwarding table represents which hosts are
reachable through which ports
The goal of the spanning tree algorithm is to have True
bridges select which ports to use for forwarding in order
to eliminate loops
UDP and TCP have a large overlap of functionalilites False
The transport layer offers a logical connection between False
hosts given that the hosts reside in the same network
