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Free Cisco® 300-420 Exam Braindumps (page: 16)

Page 16 of 90
PDF with 356 Questions

Refer to the exhibit.



An engineer is designing a hierarchical ISIS solution for an enterprise customer with these requirements:
Users in areas 25 and 55 send and receive traffic from both backbone areas.
Link flaps in areas 35 and 45 must not impact other areas.
Routers will double within the next 12 months in areas 35 and 45.


Which design must the engineer select?

  1. A series routers Level 2, B series routers Level 2, and C series routers Level 1
  2. A series routers Level 1/2, B series routers Level 1/2, and C series routers Level 1/2
  3. A series routers Level 1/2, B series routers Level 2, and C series routers Level 2
  4. A series routers Level 1, B series routers Level 1/2, and C series routers Level 2

Answer(s): D



A company has many spoke sites with two data centers. The company wants to exchange the routing information between the data centers and the spoke sites using EIGRP. All locations belong to a single AS, and auto- summarization is disabled. Which two actions must the company choose? (Choose two.)

  1. Split the network into two separate ASs.
  2. Exchange all routes between locations.
  3. Summarize the routes between the hubs.
  4. Make each spoke site router a stub router.
  5. Summarize the routes from spokes to the hubs.

Answer(s): B,E



Refer to the exhibit.



An engineer is designing an OSPF solution with these requirements:
NMS server will manage R5 and R6.
Upon failure of R1, all NMS traffic should be routed through R4. Upon failure of the link between R5 and R6, all traffic destined for 10.6.6.6 should be routed through R4.


Which solution must the engineer choose?

  1. Redistribute OSPF process 1 into process 2 on R1 and R4.
  2. Advertise 172.16.1.1 into OSPF process 1 with high cost on R1.
  3. Apply static routes on R2 and R3 with IP SLA tracking toward R5 and R6.
  4. Enable the default-information originate command with a higher metric on R2 to R1.

Answer(s): A



A company wants to switch from static to dynamic routing. The branches use DMVPN back to the hub using two internet connections. One internet connection speed is 10 Mbps, and the other is 100 Mbps. All locations use Cisco routers; however, the branch routers have limited memory and CPU resources. Which routing protocol and design solution must the company choose for optimal traffic forwarding during peak traffic times?

  1. OSPF deployed in area 0 with branch routers connected back via virtual links
  2. EIGRP with branch routers as stub routers and variance enabled
  3. ISIS with the hub and spoke routers configured in two different areas
  4. iBGP with the hub routers set up as route reflectors

Answer(s): B



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