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NO.1 Which of the following best describes the forwarding of a IPv6 packet that
has a destination
anycast address?
A. It is sent to all nodes on the local
link.
B. It is sent to all nodes on the local network.
C. It is sent to
all nodes that have joined the anycast group.
D. It is sent to the nearest
node that is assigned the anycast address
E. It is sent to all nodes that are
assigned the anycast address.
Answer: D
NO.2 Click the exhibit
button.
What is the command to configure a static route on the Alcatel-Lucent
7750 SR router R1 to reach
the network behind router R2?
A. configure
router static-route 139.120.121.0/ 24 next-hop 138.120.199.2
B. configure
router static-route 139.120.121.0/ 24 next-hop 138.120.199.1
C. configure
router static-route 138.120.199.2 / 24 next-hop 138.120.199.1
D. configure
router static-route 139.120.121.0/ 24 next-hop 139.120.121.2
Answer:
A
NO.3 In an IP datagram, which of the following fields identifies the
receiving application?
A. The protocol field of the transport layer
header.
B. The port field of the transport layer header.
C. The protocol
field of the network layer header.
D. The port field of the network layer
address.
Answer: B
NO.4 Which of the following statements apply to
link state protocol behavior? Choose three
answers.
A. Routers broadcast
the entire route table to all neighbors.
B. Information about directly
connected links is sent to all neighbors.
C. An adjacency database is
maintained by each router.
D. The sequence number for an update is
incremented as it is flooded from router to router.
E. The topological
database is the same for all routers in a single area.
Answer:
B,C,E
NO.5 Which of the following best describes an OSPF Type 3
LSA?
A. A Type 3 LSA is generated by an ASBR only when route summarization is
configured.
B. A Type 3 LSA is generated by an ABR only when route
summarization is configured.
C. A Type 3 LSA is generated by an ASBR to
describe routes to routers outside the area.
D. A Type 3 LSA is generated by
an ABR to describe routes to routers outside the area.
Answer: D
NO.6
Click the exhibit button.
Routers R1 , R2, and R3 are running a classful
routing protocol between them. Assuming that router
R1 advertises all
directly connected networks, how will these networks be represented in
router
R3's routing table?
A. Router R3's routing table can only contain
one of the routes, which will result in route flapping.
B. Router R3's
routing table will have one entry for 10.1.1.0/ 24 and one entry for 10.1.2.0/
24.
C. The networks will be represented with one entry of 10.0.0.0/ 8 in
router R3's routing table.
D. The networks will be represented with one entry
of 10.0.0.0/ 24 in router R3's route table.
Answer: C
NO.7 Click the
exhibit button.
What triggers convergence of the routing protocol when the
link between switch 1 and switch 2
goes down?
A. Convergence is triggered
when the adjacency between routers R1 and R2 drops as a result of
Hello
timeouts. At this point, both routers R1 and R2 re-compute their link state
database and send
updates to their adjacent routers. Once the process is
complete for all routers, the networks have
converged.
B. Convergence is
triggered when the physical interfaces between routers R1 and R2 go down.
At
this point, both routers R1 and R2 re-compute their link state database
and send updates to their
adjacent routers. Once the process is complete for
all routers, the networks have converged.
C. Convergence will not be
triggered because switches cannot run routing protocols between them.
D.
Convergence is triggered when the switches notify the routers about the link
state information.
At this point, both routers R1 and R2 re-compute their
link state database and send updates to their
adjacent routers. Once the
process is complete for all routers, the networks have converged
E.
Convergence is triggered when an LSA is sent from router R1 to router R2 to
indicate that the link
is down. At this point, both routers R1 and R2
re-compute their link state database and sendupdates
to their adjacent
routers. Once the process is complete for all routers, the networks have
converged.
Answer: A
NO.8 When a router receives an IP packet, but
does not find a match in the routing table for the
destination IP address,
what actions are performed by the router?
A. The packet is flooded out all
router interfaces.
B. The packet is dropped and an ICMP unreachable message
is sent back to the source.
C. The packet is silently discarded.
D. The
packet is flooded out all interfaces and an ICMP unreachable message is
sent.
Answer: B
has a destination
anycast address?
A. It is sent to all nodes on the local
link.
B. It is sent to all nodes on the local network.
C. It is sent to
all nodes that have joined the anycast group.
D. It is sent to the nearest
node that is assigned the anycast address
E. It is sent to all nodes that are
assigned the anycast address.
Answer: D
NO.2 Click the exhibit
button.
What is the command to configure a static route on the Alcatel-Lucent
7750 SR router R1 to reach
the network behind router R2?
A. configure
router static-route 139.120.121.0/ 24 next-hop 138.120.199.2
B. configure
router static-route 139.120.121.0/ 24 next-hop 138.120.199.1
C. configure
router static-route 138.120.199.2 / 24 next-hop 138.120.199.1
D. configure
router static-route 139.120.121.0/ 24 next-hop 139.120.121.2
Answer:
A
NO.3 In an IP datagram, which of the following fields identifies the
receiving application?
A. The protocol field of the transport layer
header.
B. The port field of the transport layer header.
C. The protocol
field of the network layer header.
D. The port field of the network layer
address.
Answer: B
NO.4 Which of the following statements apply to
link state protocol behavior? Choose three
answers.
A. Routers broadcast
the entire route table to all neighbors.
B. Information about directly
connected links is sent to all neighbors.
C. An adjacency database is
maintained by each router.
D. The sequence number for an update is
incremented as it is flooded from router to router.
E. The topological
database is the same for all routers in a single area.
Answer:
B,C,E
NO.5 Which of the following best describes an OSPF Type 3
LSA?
A. A Type 3 LSA is generated by an ASBR only when route summarization is
configured.
B. A Type 3 LSA is generated by an ABR only when route
summarization is configured.
C. A Type 3 LSA is generated by an ASBR to
describe routes to routers outside the area.
D. A Type 3 LSA is generated by
an ABR to describe routes to routers outside the area.
Answer: D
NO.6
Click the exhibit button.
Routers R1 , R2, and R3 are running a classful
routing protocol between them. Assuming that router
R1 advertises all
directly connected networks, how will these networks be represented in
router
R3's routing table?
A. Router R3's routing table can only contain
one of the routes, which will result in route flapping.
B. Router R3's
routing table will have one entry for 10.1.1.0/ 24 and one entry for 10.1.2.0/
24.
C. The networks will be represented with one entry of 10.0.0.0/ 8 in
router R3's routing table.
D. The networks will be represented with one entry
of 10.0.0.0/ 24 in router R3's route table.
Answer: C
NO.7 Click the
exhibit button.
What triggers convergence of the routing protocol when the
link between switch 1 and switch 2
goes down?
A. Convergence is triggered
when the adjacency between routers R1 and R2 drops as a result of
Hello
timeouts. At this point, both routers R1 and R2 re-compute their link state
database and send
updates to their adjacent routers. Once the process is
complete for all routers, the networks have
converged.
B. Convergence is
triggered when the physical interfaces between routers R1 and R2 go down.
At
this point, both routers R1 and R2 re-compute their link state database
and send updates to their
adjacent routers. Once the process is complete for
all routers, the networks have converged.
C. Convergence will not be
triggered because switches cannot run routing protocols between them.
D.
Convergence is triggered when the switches notify the routers about the link
state information.
At this point, both routers R1 and R2 re-compute their
link state database and send updates to their
adjacent routers. Once the
process is complete for all routers, the networks have converged
E.
Convergence is triggered when an LSA is sent from router R1 to router R2 to
indicate that the link
is down. At this point, both routers R1 and R2
re-compute their link state database and sendupdates
to their adjacent
routers. Once the process is complete for all routers, the networks have
converged.
Answer: A
NO.8 When a router receives an IP packet, but
does not find a match in the routing table for the
destination IP address,
what actions are performed by the router?
A. The packet is flooded out all
router interfaces.
B. The packet is dropped and an ICMP unreachable message
is sent back to the source.
C. The packet is silently discarded.
D. The
packet is flooded out all interfaces and an ICMP unreachable message is
sent.
Answer: B