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Home Cisco® 400-007

Cisco® 400-007 Exam Practice Questions (P. 4)

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Question #31
What is the most important operational driver in building a resilient and secure modular network design?
  1. A
    Minimize app downtime
  2. B
    Reduce the frequency of failures requiring human intervention
  3. C
    Increase time spent on developing new features
  4. D
    Dependencies on hardware or software that is difficult to scale

Correct Answer:
A

Question #32

Refer to the exhibit. For Company XYZ, Bangkok is using ECMP to reach the 172.20.2.0/24 network. The company wants a design that would allow them to forward traffic from 172.16.2.0/24 toward 172.20.2.0/24 via the Singapore router as the preferred route. The rest of the traffic should continue to use ECMP. Which technology fulfills this design requirement?
  1. A
    policy-based routing
  2. B
    unequal-cost load balancing using variance
  3. C
    route summarization
  4. D
    LFA

Correct Answer:
A

Question #33
Company XYZ is running OSPF in their network. They have merged with another company that is running EIGRP as the routing protocol. Company XYZ now needs the two domains to talk to each other with redundancy, while maintaining a loop free environment. The solution must scale when new networks are added into the network in the near future. Which technology can be used to meet these requirements?
  1. A
    single point route-redistribution with route filtering using route tags
  2. B
    multipoint route-redistribution with route filtering using ACLs
  3. C
    multipoint route-redistribution with route filtering using route tags
  4. D
    single point route-redistribution with route filtering using ACLs

Correct Answer:
C

Question #34
What are two common approaches to analyzing and designing networks? (Choose two.)
  1. A
    three-tier approach
  2. B
    top-down approach
  3. C
    high-low security approach
  4. D
    bottom-up approach
  5. E
    left-right approach

Correct Answer:
BD

Question #35

Refer to the exhibit. OSPF is running as the IGP to provide reachability to all AS100 networks. R3 and R4 are the current ABRs at the boundary of OSPF Area0 and Area1. Now BGP must be deployed within AS100 because it will be receiving Internet routes from its eBGP peers (the service provider) connected to R1 and
R2. What is an optimal solution for this deployment to configure BGP relationships and redistribute BGP learned routes into OSPF?
  1. A
    R5 should be configured as a route reflector for R1, R2, R3 and R4. BGP routes must be redistributed at R1 and R2 into OSPF.
  2. B
    Confederation should be set up with R1, R5, and R3 in one sub AS, with R2 and R4 in another, and redistribution at R1 and R2.
  3. C
    R1, R2, R3 and R4 must be set up with a neighbor relationship with R5 only. R5 must not be a route reflector.
  4. D
    A full mesh should be deployed between all the routers with mutual redistribution to take place at R1 and R2.

Correct Answer:
A

Question #36
A multicast network is using Bidirectional PIM. Which two combined actions achieve high availability so that two RPs within the same network can act in a redundant manner? (Choose two.)
  1. A
    Advertise the two RP addresses in the routing protocol.
  2. B
    Use two phantom RP addresses.
  3. C
    Manipulate the multicast routing table by creating static mroutes to the two RPs.
  4. D
    Control routing to the two RPs through a longest match prefix.
  5. E
    Use Anycast RP based on MSDP peering between the two RPs.
  6. F
    Manipulate the administrative distance of the unicast routes to the two RPs.

Correct Answer:
BC

Question #37

Refer to the exhibit. Which impact of using three or more ABRs between the backbone area and area 1 is true?
  1. A
    In a large-scale network, multiple ABRs can create microloops.
  2. B
    Multiple ABRs reduce the CPU processing on each ABR due to splitting prefix advertisement between areas.
  3. C
    Prefixes from the non-backbone area are advertised by one ABR to the backbone area.
  4. D
    In a large-scale network, LSA replication, by all ABRs, can cause serious scalability issues.

Correct Answer:
D

Question #38
Company XYZ runs OSPF in their network. A design engineer decides to implement hot-potato routing architecture. How can this implementation be achieved?
  1. A
    Enable iBGP and apply prepend to ensure all prefixes will have the same length of the AS path attribute value.
  2. B
    Redistribute the external prefixes onto OSPF and ensure that the total metric calculation includes external and internal values.
  3. C
    Enable OSPF load-balancing over unequal cost path.
  4. D
    Redistribute the external prefixes onto OSPF and ensure the total metric calculation includes only the external value and the value is the same in all ASBRs.

Correct Answer:
B

Question #39
How many fully established neighbour relationships exist on an Ethernet with five routers running OSPF as network type broadcast?
  1. A
    5
  2. B
    6
  3. C
    7
  4. D
    10
  5. E
    20

Correct Answer:
C

Question #40
How can EIGRP topologies be designed to converge as fast as possible in the event of a point-to-point link failure?
  1. A
    Limit the query domain by use of summarization.
  2. B
    Limit the query domain by use of default routes.
  3. C
    Build neighbor adjacencies in a squared fashion.
  4. D
    Limit the query domain by use of distribute lists.
  5. E
    Build neighbor adjacencies in a triangulated fashion.

Correct Answer:
A

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