Router R2 advertises the network 192.168.3.0/24 to router R1 via OSPF.A route policy has been constructed to discard the route on router R1; however, it is not working.What is the problem?
- A . The prefix list reject should be "192.168.3.0/16 exact".
- B . Router R1 should be configured as an OSPF "asbr".
- C . The policy "reject" should be set for import rather than export.
- D . The policy was likely not "committed" after creation.
- E . This is not possible because OSPF cannot use import policies.
What is the default preference value for a static route in theNokia7750 SR router?
- A . 0
- B . 5
- C . 10
- D . 15
Which of the following OSPFv3 LSAs have an AS scope?
- A . Link Local LSA
- B . Router LSA
- C . Network LSA
- D . Inter-Area Router LSA
- E . Intra-Area Prefix LSA
- F . None of the above LSAs have an AS scope.
In an IP datagram, which field 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
Which of the following commands can be used to display the number of SPF computations that have been performed on a router?
- A . show router ospf area <area-id>
- B . show router ospf neighbor
- C . show router ospf interface
- D . show router ospf status
Which of the following statements regarding OSPF routing updates on a point-to-point link is true?
- A . On a point-to-point link, there is no need for a DR and BDR election; all routing updates are sent to 224.0.0.5.
- B . On a point-to-point link, a DR and BDR are elected.The DR sends link-state advertisements describing the network.
- C . On a point-to-point link, a DR and BDR are elected.To ensure resiliency, both the DR and BDR send link-state advertisements describing the network.
- D . On a point-to-point link, there is no need for a DR and BDR election.All routing updates are sent to the unicast address of the neighbor’s interface.
In an OSPF Hello packet what fields must match all neighbor routers on the segment? (Choose 3)
- A . Area ID
- B . Hello and Dead Intervals
- C . Stub flag
- D . DR and BDR addresses
- E . The list of neighbors
What command will show the OSPF neighbors, and their status on theNokia7750 SR?
- A . Show ospf neighbors
- B . Show router ospf neighbors
- C . Show router ospf adjacency
- D . Show ospf adjacency
Which of the following types of networks are supported on anNokia7750 SR for OSPF? Choose two answers.
- A . Broadcast
- B . Non-broadcast multi-access
- C . Point-to-point
- D . Point-to-multipoint
Identify two attributes of Distance Vector Protocols: (Choose two)
- A . Use split horizon by default.
- B . Send information about directly connected links to neighbors at periodic intervals.
- C . Use holddown timers when topologies change to allow for convergence.
- D . Maintain multiple databases: neighbor, topology and routing.
What is the default inbound metric for RIP on theNokia7750 SR?
- A . Whatever the advertised metric happens to be.
- B . A value of 1.
- C . This must be administratively set as there is no default value.
- D . A value of 15.
Click the exhibit button.
In the topology shown, router R1 is an ASBR configured to export external routes to OSPF.Which of the following statements regarding the OSPF LSAs in the network is true?
- A . Router R1 generates a type 5 LSA that is flooded through all OSPF areas.
- B . Router R1 generates a type 7 LSA that is flooded through all OSPF areas.
- C . Router R1 generates a type 5 LSA that is flooded through area 1.Router R2 generates a type 7 LSA that is flooded through areas 0 and 2.
- D . Router R1 generates a type 7 LSA that is flooded through area 1.Router R3 generates a type 5 LSA that is flooded through areas 0 and 2.
What causes an adjacency to change from down to two ways?
- A . When a link state update is received in response to a link state request.
- B . When a router receives a Hello packet that contains its own router ID in the neighbor list from a neighbor.
- C . When a router receives a database description packet from a neighbor.
- D . When a link state acknowledgement is received in response to a link state update.
What is the default priority value used for electing the DR on anNokia7750 SR running OSPF on an Ethernet?
- A . Priority of 0
- B . Priority of 1
- C . Priority of 64
- D . Priority of 255
What is the default priority value used for electing the DR on anNokia7750 SR running OSPF on an Ethernet?
- A . Priority of 0
- B . Priority of 1
- C . Priority of 64
- D . Priority of 255
10.10.5 is the DR or BDR.
C.The router R6 interface is in a multi-access segment.It is the BDR, which is why it is not adjacent to the other routers.
D.The router R6 interface is in a multi-access segment.It is neither the DR nor the BDR for the segment.The DR for this segment would be the router with router ID 10.10.10.3.
What are the ways the RID can be created on anNokia7750 SR router? (Choose three)
- A . From the last 32 bits of the chassis MAC address
- B . From the first 32 bits of the chassis MAC address
- C . The loopback IP address
- D . By using the command "config router ospf rid X.X.X.X"
- E . From the system IP address
- F . From the highest interface IP address
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.
Click on the exhibit.
The route table on router R2 shows the system address of router R5 but it does not show any of the interfaces from the non-OSPF area.
What may be causing this?
- A . ‘asbr’ is missing from router R1’s configuration.
- B . Router R1 needs to have an export policy added to it.
- C . Router R5 does not have an export policy for these prefixes.
- D . Router R1 needs to have an import policy added to it.
Which of the following statements describe the major features of OSPF? Choose two answers.
- A . Fast reroute capability
- B . Control traffic prioritization
- C . Route redistribution
- D . Traffic engineering extensions
- E . Cut through forwarding
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.
What type of OSPF router generates a type 2 LSA?
- A . Area Border Router
- B . Autonomous System Boundary Router
- C . Designated Router
- D . All routers within an OSPF area.
Select the answer below that correctly lists the 5 different OSPF packet types.
- A . Hello, Link State Update, Link State Packet, Link State Acknowledgement, Database Descriptor
- B . Link State Update, Link State Refresh, Link State Acknowledgement, Database Descriptor, Notification
- C . Hello, Link State Refresh, Link State Update, Link State Acknowledgement, Link State Authentication
- D . Hello, Link State Update, Link State Request, Link State Acknowledgement, Database Descriptor
A router receives an OSPF database description packet from a neighbor that references an LSA, which is already in the router's LSDB.The sequence number in the DBD packet is lower than the sequence number of the LSA in the LSDB. What action does the router take?
- A . The router sends a link-state update to its neighbor.
- B . The router sends a link-state acknowledgement to its neighbor.
- C . The router updates the information in its LSDB with the information received from its neighbor.
- D . The router sends a link-state request to its neighbor.
- E . The router takes no action.
What is the metric and maximum routable value for RIP?
- A . Hop count and 16
- B . Hop count and 15
- C . Link cost and 15
- D . Link cost and 16
What address is used when RIPv2 uses multicast to send its updates?
- A . 224.0.0.5
- B . 224.0.0.6
- C . 224.0.0.9
- D . 224.0.0.10
- E . RIPv2 does not have support for multicast
What are some of the characteristics of Nokia’s implementation of non-stop routing? (Choose two)
- A . No protocol extensions required
- B . Only supported by OSPF and IS-IS
- C . Transparent to routing neighbors
- D . Uses Graceful Restart to inter-operate with other vendors
Which of the following cannot be used as a matching criterion in route policy statements?
- A . Source IP address
- B . TCP source port
- C . Prefix list
- D . Protocol type
Choose the Distance Vector Protocols from the list below:
- A . OSPF
- B . RIPv1
- C . RIPv2
- D . IS-IS
Click on the exhibit.
Router R2 learns the networks shown from IS-IS.Router R2 is configured to redistribute routes from IS-IS to OSPF as shown.Assume the OSPF and IS-IS adjacencies are operational.
How many OSPF Type 5 LSAs will router R1 receive from router R2?
- A . 0
- B . 1
- C . 2
- D . 3
- E . 4
Click the exhibit button.
Given the topology and the show commands, and assuming that router R2 advertises all of its loopbacks into OSPF, what is the correct router R1 configuration?
- A . Option A
- B . Option B
- C . Option C
- D . Option D
What is the protocol number for OSPF in the IP header?
- A . OSPF uses TCP, so the protocol number is 6.
- B . OSPF uses UDP, so the protocol number is 17.
- C . OSPF does not use IP.
- D . OSPF has its own protocol number of 89.
Which of the following best describes the type of packets used by OSPF routers to exchange updates on a point-to-point link?
- A . IP packets sent to an IP multicast address.
- B . TCP packets sent to an IP multicast address.
- C . IP packets sent to an IP unicast address.
- D . UDP packets sent to an IP multicast address.
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.
Which one of the commands below will create a static route to network 2.3.4.0/24 on the AlcatelLucent 7750 SR router?
- A . Static route 2.3.4.0 255.255.255.0 next hop 3.4.5.6
- B . Static-route next-hop 3.4.5.6 2.3.4.0/24
- C . Static route 2.3.4.0/24 next hop 3.4.5.6
- D . Static-route 2.3.4.0/24 next-hop 3.4.5.6
When are virtual links used in OSPF?
- A . When two areas need to communicate and there is no area 0.
- B . When an area needs to traverse another area to reach area 0.
- C . When two areas are connected to area 0, but there is no direct path between them.
- D . When an area needs to connect directly to another area without using area 0.