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Ch 8 quiz

Brian Gamble 10 preguntas

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Preguntas del test (10)

  1. 1Start the configuration which enables OSPFv2 on some interfaces by using ________________ commands.
    1. ASend and receive Hellos
    2. BNetwork
    3. CSPF calculations
    4. DShow ip ospf neighbor
  2. 2The primary purpose of the router LSA is to describe a router. The contents of this type of LSA are…
    1. ADR and BDR IP address, subnet ID, mask
    2. BSubnet ID, mask, RID of ABR that advertises the LSA
    3. CRID, interfaces, IP address/mask, current interface state (status)
    4. DAll of the above
  3. 3 It is common to have all routers use OSPF. One router knows about a connected, static, and OSPF route for a single subnet. The router then has to choose one to use. It will choose the connected route by default because it has a ____________ administrative distance (AD)
    1. AHigher
    2. BLower
  4. 4The IOS uses which formula to choose an interface’s OSPF cost?
    1. AReference_bandwidth/Interface_bandwidth
    2. BInterface_bandwidth/Reference_bandwidth
    3. CThere is no formula, the engineer can predict the cost based on the SPF algorithm
  5. 5Cisco recommends making the OSPF reference bandwidth setting different on all OSPF routers in an enterprise network.
    1. AVerdadero
    2. BFalso
  6. 6Using multiple areas improves OSPF operations in many ways for larger networks. Which of the following is a key point argument for the use of multiple areas in larger OSPF networks?
    1. AThe smaller per-area LSDB requires more memory
    2. BRouters require more CPU cycles to process the smaller per-area LSDB with the SPF algorithm, reducing CPU overhead and reducing convergence time
    3. CChanges in the network (for example, links failing and recovering) requires SPF calculations only on routers connected to the area where the link changed state, reducing the number of routers that must rerun SPF
    4. DMore information must be advertised between areas, reducing the bandwidth required to send LSAs
  7. 7The SPF algorithm calculates all possible routes from the router to the destination subnet. If more than one route exists, the router compares the metrics, picking the best (lowest) metric route to add to the routing table.
    1. AVerdadero
    2. BFalso
  8. 8A set of routers and links that share the same detailed LSDB information, but not with routers in other areas, for better efficiency, is knows as what OSPF term?
    1. AArea
    2. BArea Boarder Router (ABR)
    3. CInternal Router
    4. DBackbone Router
  9. 9What is Step 1 for the OSPF configuration?
    1. AConfigure one or more network ip-address wildcard-mask areaarea-id router subcommands, with any matched interfaces being enabled for the OSPF process and being assigned to the listed area
    2. BEnter OSPF configuration mode for a particular OSPF process using the router ospf process-id global command
    3. CConfigure any OSPF interfaces as passive if no neighbors can or should be discover on the interface, using the passive-interfacetype number interface subcommand
    4. DConfigure the router-id id-value router subcommand
  10. 10Which command lists a summary of the LSAs in the database, with one line of output per LSA? It is originated by LSA type (first type 1, then type 2 and so on).
    1. AShow ip ospf
    2. BShow ip protocols
    3. CShow ip ospf interface brief
    4. DShow ip ospf database

Información

Descripción
CCNA (Chapter 8) ICND2 Test sobre Ch 8 quiz, creado por Brian Gamble el 02/02/2016.
Idioma
English
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ccnaicnd2ospfchapter 8
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