Cisco CCNA 2 Chapter 6 Cisco Exam Answers 100%
> A router is participating in an OPSFv2 domain. What will
always happen if the dead interval expires before the router receives a hello
packet from an adjacent DROTHER OPSF router?.
To facilitate router participation in the election of the designated router.*
OSPF will run a new DR/BDR election.
SPF will run and determine which neighbor router is “down”.
OSPF will remove that neighbor from the router link-state
database.*
A new dead interval timer of 4 times the hello interval will
start.
> Which command should be used to check the OSPF process ID,
the router ID, networks the router is advertising, the neighbors the router is
receiving updates from, and the default administrative distance?.
Show ip protocols.*
Show ip ospf neighbor.
Show ip ospf interface.
Show ip ospf.
> Launch PT – Hide and
Save PT.
Open the PT Activity. Perform the tasks in the activity
instructions and then complete the task. What message is displayed on
www.ciscoville.com?.
The correct configuration on R1 is:
router ospf 10
network 192.168.2.0 0.0.0.255 area 0
network 10.0.10.0
0.0.0.3 area 0
The correct configuration on R2 is:
router ospf 10
network 10.0.10.0 0.0.0.3 area 0
network 10.0.10.4 0.0.0.3
area 0
network 172.16.5.0 0.0.0.255 area 0
Success!.
Completion!.*
Finished.
Converged!.
> Which three statements describe the similarities between
OSPFv2 and OSPFv3? (Choose three.)
They both support IPsec for authentication.
They both have unicast routing enabled by default.
They both use the exit interface address as the source
address when sending OSPF messages.
They both use the same DR/BDR election process.*
They both are link-state protocols.*
They both share the concept of multiple areas.*
> Which command will verify that a router that is running OSPFv3 has formed an adjacency with other routers in its OSPF area?.
Show running-configuration.
> Which command will verify that a router that is running OSPFv3 has formed an adjacency with other routers in its OSPF area?.
Show ipv6 route ospf.
Show ipv6 ospf neighbor.*
Show ipv6 interface brief.
> Which OPSF packet contains the different types of link-state
advertisements?.
LSU.*
LSR.
LSAck.
DBD.
Hello.
> Single area OSPFv3 has been enabled on a router via the ipv6
router ospf 20 command. Which command will enable this OSPFv3 process on an
interface of that router?.
Ipv6 ospf 20 area 20.
Ipv6 ospf 20 area 0.*
Ipv6 ospf 0 area
20.
Ipv6 ospf 0 area 0.
> What is a function of OSPF hello packets?.
To send specifically requested link-state records.
To request specific link-state records from neighbor routers.
To discover neighbors and build adjacencies between them.*
To ensure database synchronization between routers.
> Fill in the blank. Do not use abbreviations.
> A network administrator enters the command ipv6 router ospf
64 in global configuration mode. What is the result of this command?
The router will be assigned a router ID of 64.
The router will be assigned an autonomous system number of
64.
The reference bandwidth will be set to 64 Mb/s.
The OSPFv3 process will be assigned an ID of 64.*
> Which command will provide information specific to OSPFv3
routes in the routing table?
Show ip route ospf.
Show ip route.
Show ipv6 route ospf.*
Show ipv6 route.
> Fill in the blank.
OSPF uses #”cost”# as a metric.
> Place the options in the following order:
*This is where the details of the neighboring routers can be
found.*
*This is the algorithm used by OSPF.*
*All the routers are in the backbone area.*
– not scored –
*This is where you can find the topology table.*
– not scored -
> When a network engineer is configuring OSPFv3 on a router,
which command would the engineer issue immediately before configuring the
router ID?.
Ipv6 ospf 10 area 0.
Ipv6 router ospf 10.*
Clear ipv6 ospf process.
Interface serial
0/0/1.
> What does a Cisco router use automatically to create
link-local addresses on serial interfaces when OSPFv3 is implemented?.
An Ethernet interface MAC address available on the router,
the FE80::/10 prefix, and the EUI-64 process.*
The MAC address of the serial interface, the FE80::/10 prefix,
and the EUI-64 process.
The FE80::/10 prefix and the EUI-48 process.
The highest MAC address available on the router, the
FE80::/10 prefix, and the EUI-48 process.
> Place the options in the following order:
*Neighbor ID of 3.3.3.3.*
– not scored –
*Routing Process “ospf 10″ with ID 1.1.1.1.*
*Routing Protocol is “ospf 10″.*
*BW 1544 Kbit/sec.*
> Which wildcard mask would be used to advertise the
192.168.5.96/27 network as part of an OSPF
configuration?.
255.255.255.223.
0.0.0.31.*
0.0.0.32.
255.255.255.224.
>Which OSPFv3 function works differently from OSPFv2?.
OSPF packet types.
Metric calculation.
Authentication.*
Hello mechanism.
Election
process.
> What are the two purposes of an OSPF router ID?. (Choose
two).
To enable the SPF algorithm to determine the lowest cost
path.
To remote networks to facilitate the transition of the OSPF neighbor state
to Full.
To facilitate the establishment of network convergence.
To uniquely identify the router within the OSPF domain.*
> Fill in the blank.
The election of a DR and a BDR takes place on networks. #”multiaccess”# networks, such as Ethernet.
> Which criterion is preferred by the router to choose a
router ID?
The IP address of the highest configured loopback interface
on the router.
The router-id rid command.*
The IP address of the highest active OSPF-enabled interface.
The IP address of the highest active interface on the router.
> Place the options in the following order:
*Third precedence.*
*Fourth precedence.*
- not scored -
*First precedence.*
*Second precedence.*
> Which three statements describe features of the OSPF topology
table?. (Choose three).
When converged, all routers in an area have identical
topology tables.*
Its contents are the result of running the SPF algorithm.
After convergence, the table only contains the lowest cost
route entries for all known networks.
It is a link-state database that represents the network
topology.*
The topology table contains feasible successor routes.
The table can be viewed via the show ip ospf database
command.*
> Which OSPF component is identical in all routers in an OSPF
area after convergence?
Link-state database.*
Routing table.
Adjacency database.
SPF tree.
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