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NEW QUESTION 13
Which of the following statements regarding OSPF routing updates on a point-to-point link is true?
- A. 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.
- B. 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.
- C. On a point-to-point link, a DR and BDR are elected. The DR sends 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.
Answer: B
NEW QUESTION 14
In an OSPF Hello packet, which of the following fields must match for all neighbor routers on the segment? Choose three answers.
- A. Stub flag
- B. Hello and Dead intervals PC.
- C. Checksum values
- D. The list of neighbors
- E. Area ID W B.
Answer: A,B,E
NEW QUESTION 15
Which of the following concerning OSPFv3 is TRUE?
- A. OSPFv3 uses MD5 Authentication.
- B. Router LSAs carry IPv6 prefix information.
- C. OSPFv3 uses a 64-bit router ID.
- D. NSSA is supported in OSPFv3.
Answer: D
NEW QUESTION 16
Click the exhibit button.
The OSPF packets shown have been exchanged between two neighbors. What state is the OSPF adjacency in?
- A. The adjacency is in the ex start state. The routers have exchanged database description packets, but still have to negotiate the starting sequence number.
- B. The adjacency is in the exchange state. The next step is to exchange link state request and link state update packets.
- C. The adjacency state is two way because both routers have received a database description packet.
- D. The adjacency state is full. The routers are exchanging database description packets to notify each other that all link state advertisements have been received.
Answer: A
NEW QUESTION 17
Which LSA type is not found in point-to-point only OSPF networks?
- A. Type 2 Network LS A
- B. Type 5 External LSA
- C. Type 3 Summary LSA
- D. Type 1 Router LSA
Answer: A
NEW QUESTION 18
Click the exhibit button.
Two neighboring OSPF routers have exchanged the packets shown. What state is the adjacency in?
- A. The adjacency is in exstart state.
- B. The adjacency is down.
- C. Full; both routers are exchanging Helios to maintain the adjacency.
- D. The adjacency is in the exchange state.
Answer: A
NEW QUESTION 19
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 will have one entry for 10.1.1.0/24 and one entry for 10.1.2.0/24.
- B. Router R3's routing table can only contain one of the routes, which will result in route flapping.
- 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
NEW QUESTION 20
What type of OSPF router generates a type 2 LSA?
- A. Area Border Router
- B. All routers within an OSPF area.
- C. Autonomous System Boundary Router
- D. Designated Router
Answer: D
NEW QUESTION 21
Which of the following statements regarding area border routers in an OSPF network is true?
- A. The term backbone router has the same definition as the term area border router.
- B. By definition, an area border router must perform route summarization between areas.
- C. An OSPF network needs at least one area border router to function.
- D. Area border routers connect the backbone area to other areas in an OSPF network.
Answer: D
NEW QUESTION 22
An OSPF ASBR must have at least one interface in the backbone area (area 0)
- A. False
- B. True
Answer: A
NEW QUESTION 23
Which type of OSPF LSA has the following characteristics: It is flooded only within the area it originates from and can be originated by any OSPF router within the area (including non-DR routers).
- A. Type 4 ASBR LSA
- B. Type 3 Summary LSA
- C. Type 1 Router LSA
- D. Type 2 Network LSA
Answer: C
NEW QUESTION 24
Click the exhibit button.
Which of the following would correctly configure routers R2, R3, and R4?
- A. Option C
- B. Option D
- C. Option B
- D. Option A
Answer: A
NEW QUESTION 25
A default route for a client is also known as the:
- A. Default gateway
- B. Gateway path
- C. Default path
- D. Proxy ARP
Answer: A
NEW QUESTION 26
Which of the LSA types stay within an OSPF area and are not exported outside of the area? (Choose all that apply)
- A. Router LSA
- B. Network LSA
- C. Summary Router LSA
- D. Summary Network LSA
Answer: A,B
NEW QUESTION 27
What is the default inbound metric for RIP on the Nokia 7750 SR?
- A. A value of 15.
- B. This must be administratively set as there is no default value.
- C. A value of 1.
- D. Whatever the advertised metric happens to be.
Answer: C
NEW QUESTION 28
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 updates the information in its LSDB with the information received from its neighbor.
- B. The router sends a link-state update to its neighbor.
- C. The router takes no action.
- D. The router sends a link-state request to its neighbor.
- E. The router sends a link-state acknowledgement to its neighbor.
Answer: B
NEW QUESTION 29
Which of the following OSPFv3 LSAs have an AS scope?
- A. Router LSA
- B. None of the above LSAs have an AS scope.
- C. Intra-Area Prefix LSA
- D. Inter-Area Router LSA
- E. Link Local LSA
- F. Network LSA
Answer: B
NEW QUESTION 30
What type of LSA is used to flood information about prefixes from one OSPF area to other attached areas?
- A. Type 7
- B. Type 1
- C. Type 4
- D. Type 3
Answer: D
NEW QUESTION 31
There is an IP host with IP address 10.2.3.1. A static route is created, using the "configure router static-route 10.2.3.0/24 next-hop 10.1.2.1" command. What is the correct traceroute command to test this static route on an Nokia 7750 SR?
- A. traceroute does not work on the Nokia 7750 SR.
- B. traceroute 10.2.3.1
- C. traceroute 10.1.2.1
- D. traceroute next-hop 10.1.2.1
- E. traceroute 10.2.3.1 next-hop 10.1.2.1
Answer: B
NEW QUESTION 32
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.
Answer: D
NEW QUESTION 33
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