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Free Cisco 300-420 Practice Exam with Questions & Answers | Set: 4

Questions 31

A customer requests a VPN solution to connect multiple sites with the company headquarters. All the sites use the same IP subnet. The engineer plans to use VPLS. Which solutions must the engineer include in the design?

Options:
A.

802.1Q connectivity on the LAN side of the CE

B.

route exchange with the service provider

C.

address translation to hide overlapping subnets

D.

different VLANs on each site

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Questions 32

300-420 Question 32

Refer to the exhibit. An engineer Is designing a multicampus Layer 3 Infrastructure using EIGRP as the routing protocol. The design must provide quick replies to queries In the event of a downlink, prevent unnecessary queries, and ensure that traffic does not unnecessarily transit the access layer. Which two actions must the engineer take for the network design? (Choose two.)

Options:
A.

Configure core layer switches as stub routers.

B.

Configure distribution layer switches to summarize routes to the core layer.

C.

Configure access layer switches as stub routers.

D.

Configure access layer and core layer switches as stub routers.

E.

Configure access layer switches to summarize routes to the distribution layer.

Questions 33

When a network is designed using IS-IS protocol, which two circuit types are supported? (Choose two.)

Options:
A.

nonbroadcast multiaccess

B.

multiaccess

C.

point-to-multipoint

D.

nonbroadcast

E.

point-to-point

Questions 34

300-420 Question 34

Refer to the exhibit. An architect is designing a Layer 2 network for a customer. The network will use the spanning-tree protocol. During a link failure between SW1 and SW2, the fastest possible convergence time is desired. Which solution must the architect select?

Options:
A.

Loop Guard

B.

UplinkFast

C.

PortFast

D.

BackboneFast

Questions 35

Refer to the exhibit.

300-420 Question 35

An architect must design an IGP solution for an enterprise customer. The design must support:

Physical link flaps should have minimal impact.

Access routers should converge quickly after a link failure.

Which two ISIS solutions should the architect include in the design? (Choose two.)

Options:
A.

Use BGP to IS-IS redistribution to advertise all Internet routes in the Level 1 area.

B.

Advertise the IS-IS interface and loopback IP address toward the Internet and data center.

C.

Reduce SPF and PRC intervals to improve convergence time.

D.

Configure all access and aggregate routers to establish Level 1 / Level 2 adjacencies across the network.

E.

Configure access routers to establish a Level 1 adjacency and aggregate routers to establish a Level 1 /

Level 2 adjacency.

Questions 36

How are wireless endpoints registered in the HTDB in a Cisco SD-Access architecture?

Options:
A.

Fabric edge nodes update the HTDB based on CAPPWAP messaging from the AP

B.

Fabric WLCs update the HTDB as new clients connect to the wireless network

C.

Border nodes first register endpoints and then update the HTDB

D.

Fabric APs update the HTDB with the clients' ElD and RLOC

Questions 37

A customer’s environment includes hosts that support IPv6-only. Several of these hosts must communicate with a public web server that has only IPv4 domain name resolution. Which solution should the customer use in this environment?

Options:
A.

utilize NAT64 to translate the addresses

B.

Implement NAT44 at the edge of the customer network

C.

use 6to4 and a tunnel to translate the addresses

D.

implement 6PE to resolve hostname resolution

Questions 38

300-420 Question 38

Refer to the exhibit. A network engineer with an employee ID: 4384:99:754 must design a BGP solution based on these conditions:

    Traffic sessions occur between the branches and the data center.

    Branch B has limited resources to process routing updates.

    HQ must filter out all prefixes from branch A to R4.

Which outbound route filtering (ORF) solution must the engineer choose?

Options:
A.

Use a prefix list with the 192.168.10.0/24 subnet for ORF on R4.

B.

Use a prefix list with the 10.10.10.0/24 subnet for ORF on R2

C.

Use a prefix list with the 10.10.10.0/24 subnet for ORF on R5.

D.

Use a prefix list with the 192.168.10.0/24 subnet for ORF on R2.

Questions 39

Which function does the Cisco SD-Access intermediate node perform?

Options:
A.

Act as LISP proxy tunnel router.

B.

Route and transport IP traffic.

C.

Act as an anycast Layer 3 gateway.

D.

Map users to a virtual network.

Questions 40

A network engineer must optimize a campus OSPF deployment Currently each time a type 1 or type 2 LSA is generated within an area, the OSPF process must recompute the entire SPT Which solution improves the recomputation process?

Options:
A.

iSPF

B.

BFD

C.

SPF

D.

PRC

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