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Quizzes
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1
A one-to-all communication between one source and all hosts on a network is classified as a _______ communication.
A)unicast
B)multicast
C)broadcast
D)None of the choices are correct
2
A one-to-many communication between one source and a specific group of hosts is classified as a _______ communication.
A)unicast
B)multicast
C)broadcast
D)None of the choices are correct
3
A one-to-one communication between one source and one destination is classified as a _______ communication.
A)unicast
B)multicast
C)broadcast
D)None of the choices are correct
4
In ______, the router forwards the received packet through only one of its interfaces.
A)unicasting
B)multicasting
C)broadcasting
D)None of the choices are correct
5
In multicast routing, each involved router needs to construct a ________ path tree for each group.
A)average
B)longest
C)shortest
D)None of the choices are correct
6
In the _______ tree approach to multicasting, each router needs to create a separate tree for each source-group.
A)group-shared
B)source-based
C)destination-based
D)None of the choices are correct
7
The Multicast Open Shortest Path First (MOSPF) routing uses the _______ tree approach.
A)source-based
B)group-shared
C)destination-based
D)None of the choices are correct
8
The Multicast Open Shortest Path First (MOSPF) protocol is an extension of the OSPF protocol that uses multicast routing to create source-based trees. The protocol is based on _______ routing.
A)distance vector
B)link state
C)path vector
D)None of the choices are correct
9
In RPF, a router forwards only the copy that has traveled the _______ path from the source to the router.
A)shortest
B)longest
C)average
D)None of the choices are correct
10
RPF eliminates the ________ in the flooding process.
A)forwarding
B)backwarding
C)flooding
D)None of the choices are correct
11
RPB creates a shortest path _______ tree from the source to each destination.
A)unicast
B)multicast
C)broadcast
D)None of the choices are correct
12
RPB guarantees that each destination receives _________ of the packet.
A)only one copy
B)no copies
C)multiple copies
D)None of the choices are correct
13
In ________, the multicast packet must reach only those networks that have active members for that particular group.
A)RPF
B)RPB
C)RPM
D)None of the choices are correct
14
_______ adds pruning and grafting to _______ to create a multicast shortest path tree that supports dynamic membership changes.
A)RPM; RPB
B)RPB; RPM
C)RPF; RPM
D)None of the choices are correct
15
__________ is an implementation of multicast distance vector routing. It is a source-based routing protocol based on RIP.
A)MOSPF
B)DVMRP
C)CBT
D)None of the choices are correct
16
DVMRP is a ________routing protocol based on RIP.
A)source-based
B)group-shared
C)destination-based
D)None of the choices are correct
17
Pruning and grafting are strategies used in _______.
A)RPF
B)RPB
C)RPM
D)None of the choices are correct
18
PIM-DM is used when the number of routers with attached members is ______ relative to the number of routers in the internet.
A)large
B)small
C)moderate
D)None of the choices are correct
19
PIM-SM is used when the number of routers with attached members is ______ relative to the number of routers in the internet.
A)large
B)small
C)moderate
D)None of the choices are correct





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