Computer Networks MCQs with Answers
Practice important Computer Networks MCQs with answers and explanations.
Chapter: 43
Q1321:
In configuration-and-tunneling, routers use ________ tunneling to transfer multicast datagrams to other sites.
A. IP-in-IP
B. GRE
C. L2TP
D. PPTP
Correct Answer:
A
Chapter: 43
Q1322:
Core-based discovery multicast routing uses a designated ________ address for each multicast group.
A. unicast
B. multicast
C. broadcast
D. anycast
Correct Answer:
A
Chapter: 43
Q1323:
In core-based discovery, routers forward multicast datagrams to group members when the destination address matches the ________.
A. group's address
B. router's address
C. host's address
D. interface address
Correct Answer:
A
Chapter: 43
Q1324:
Fill in the blank: In Internet multicast routing, a member can ________ from a group at any time.
A. leave
B. only join
C. never leave
D. send
Correct Answer:
A
Chapter: 43
Q1325:
Fill in the blank: IP multicast groups do not reveal the ________ of their members.
A. identity
B. number
C. address
D. protocol
Correct Answer:
A
Chapter: 43
Q1326:
Fill in the blank: IGMP stands for Internet Group ________ Protocol.
A. Management
B. Multicast
C. Mapping
D. Mailing
Correct Answer:
B
Chapter: 43
Q1327:
Fill in the blank: Flood-and-prune avoids routing loops using ________.
A. Reverse Path Broadcasting
B. Distance Vector
C. Link State
D. Source Routing
Correct Answer:
A
Chapter: 43
Q1328:
Fill in the blank: Configuration-and-tunneling is suitable for groups that are ________.
A. geographically dispersed
B. local
C. stationary
D. static
Correct Answer:
A
Chapter: 43
Q1329:
Fill in the blank: Core-based discovery multicast routing uses a ________ address as the central point.
A. unicast
B. multicast
C. broadcast
D. anycast
Correct Answer:
A
Chapter: 43
Q1330:
Fill in the blank: In core-based discovery, the set of routers participating in a multicast group forms a ________.
A. tree
B. graph
C. cycle
D. path
Correct Answer:
A
Chapter: 43
Q1331:
IGMP helps hosts communicate with routers to manage multicast group ________. membership
A. data
B. packet
C. size
Correct Answer:
A
Chapter: 43
Q1332:
Flood-and-prune protocol is efficient when members are on ________. contiguous LANs
A. remote networks
B. different subnets
C. wide area networks
Correct Answer:
A
Chapter: 43
Q1333:
Fill in the blank: Configuration-and-tunneling uses ________ multicast to transmit datagrams on local LANs.
A. hardware
B. software
C. virtual
D. logical
Correct Answer:
A
Chapter: 44
Q1334:
Which multicast protocol is used by the Unix program mrouted and the Internet Multicast Backbone (MBONE)?
A. DVMRP
B. CBT
C. PIM-SM
D. MOSPF
Correct Answer:
A
Chapter: 44
Q1335:
DVMRP uses ________ encapsulation to send multicast datagrams between sites.
A. IP-in-IP
B. TCP
C. UDP
D. HTTP
Correct Answer:
A
Chapter: 44
Q1336:
Core Based Trees (CBT) multicast routing builds a delivery tree from a ________.
A. central point
B. distributed nodes
C. random hosts
D. all routers
Correct Answer:
A
Chapter: 44
Q1337:
In CBT, when a user joins a group, routers send a message toward the ________.
A. core
B. member
C. node
D. switch
Correct Answer:
A
Chapter: 44
Q1338:
Protocol Independent Multicast - Sparse Mode (PIM-SM) is called protocol independent because it does not depend on any particular ________.
A. unicast routing protocol
B. multicast group
C. address
D. host
Correct Answer:
B
Chapter: 44
Q1339:
PIM-Dense Mode (PIM-DM) floods multicast packets to all locations within an ________.
A. organization
B. Internet
C. subnet
D. ISP
Correct Answer:
A
Chapter: 44
Q1340:
In PIM-DM, routers without group members send a ________ message to prune the multicast tree.
A. leave
B. join
C. prune
D. acknowledge
Correct Answer:
C