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GB0-190 Constructing Small- and Medium-Sized Enterprise Network Questions 11–15 (page: 4)

Updated On: 9-Feb-2026

The diagram shows four ways of partitioning OSPF areas.



Which of them are CORRECT? (Choose one or more)

  1. Figure 1
  2. Figure 2
  3. Figure 3
  4. Figure 4

Answer(s): A,B,C,D



Which of the following statements are TRUE about displaying and debugging OSPF? (Choose one or more)

  1. You can use the display ospf peer command to display information about OSPF neighbors.
  2. You can use the display ospf lsdb command to display the LSDB of a router. All OSPF routers in a network should maintain the same LSD
  3. You can use the display ospf routing command to display OSPF routes. Not all OSPF routes are added into the global routing table.
  4. You can use the display ospf fault command to display OSPF errors.

Answer(s): A,C



The routing table of a router contains a default route to the network identified by address 0.0.0.0 and mask 0.0.0.0, and its next hop is interface Serial 0/0 of the router. Which of the following statements are TRUE about the route?

  1. If the router receives a data packet destined for 120.1.1.1 and finds no exact match for the packet in its routing table, the router will forward the packet according to the default route.
  2. The mask of the route is the shortest. A data packet will be forwarded according to the default route only if it does not match any route entry.
  3. The cost of the route may be 3.
  4. The preference value of the route may be 100.

Answer(s): A,B,C,D



PPP is enabled on the WAN link between two routers MSR-1 and MSR-2. The two routers run RIP to advertise routes to each other. MSR-1 has learned the RIP routes advertised by MSR-2, but the routing table of MSR-2 does not contain any RIP routes. Why? (Choose one or more)

  1. On MSR-1, RIP is enabled on the WAN interface only.
  2. The RIP versions of the two routers are inconsistent.
  3. The silent-interface all command is configured for RIP on MSR-1.
  4. The silent-interface all command is configured for RIP on MSR-2.

Answer(s): A,B,C



WAN interfaces Serial 1/0 and Serial 1/1 of MSR-1 connect to MSR-2 and MSR-3 respectively. An Ethernet interface of MSR-1 connects to MSR-4. The four routers run RIP and have learned routes correctly. Enable all loop avoidance features of RIP on all routers. If network 192.168.0.0 on MSR-2

fails, which of the following will happen?

  1. The route to 192.168.0.0 will enter the suppressed state on all routers.
  2. The cost of the route to 192.168.0.0 will be set to the maximum value on all routers.
  3. After network 192.168.0.0 restores, MSR-2 will send route updates immediately.
  4. After network 192.168.0.0 restores, MSR-2 will send route updates to other routers when the periodic update time is reached.

Answer(s): A,B,C



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