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Designing Cisco Enterprise Networks (ENSLD) Exam (300-420) - Cisco Exam Questions

Last updated on June 20, 2026

97% Exam Compliance
339 Total Questions
1
Question
Refer to the exhibit.

Exhibit

A. Refer to the exhibit. The full EIGRP routing table is advertised throughout the network. Currently,
users experience data loss when any one link in the network fails. An architect optimizes the network to reduce the impact when a link fails. Which solution should the architect include in the design?
Options
A C.
B Run BFD on the inter links between EIGRP neighbors.
Summarize the access layer networks from each access layer switch toward the aggregation layer.
Reduce the default EIGRP hello interval and hold time.
Summarize the access layer networks from the aggregation layer toward the core layer.
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2
Question
Refer to the exhibit.

Exhibit

Refer to the exhibit. All routers currently reside in OSPF area 0. The network manager recently used R1 and R2 as aggregation routers for remote branch locations and R3 and R4 for aggregation routers
for remote office locations. The network has since been suffering from outages, which are causing
two.) frequent SPF runs. To enhance stability and introduce areas to the OSPF network with the minimal number of ABRs possible, which two solutions should the network manager recommend? (Choose
Options
A a new OSPF area for R3 and R4 connections, with R5 and R6 as ABRs
B a new OSPF area for R3 and R4 connections, with R3 and R4 as ABRs
C a new OSPF area for R1 and R2 connections, with R1 and R2 as ABRs
D a new OSPF area for R1, R2, R3, and R4 connections, with R1, R2, R3, and R4 as ABRs
E a new OSPF area for R1 and R2 connections, with R5 and R6 as ABRs http://www.justcerts.com Questions & Answers PDF P-44
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3
Question
A company’s branch location uses redundant routers and links for connectivity to the headquarters. Also, to use the entire available bandwidth, the branch uses a dynamic routing protocol. An architect must design a multicast streaming solution to avoid RPF check failures because of the current network design. Which deployment model must the architect choose?
Options
A BIDIR-PIM
B PIM-BSR
C PIM-SSM
D PIM-SM
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4
Question
Refer to the exhibit.

Exhibit

Refer to the exhibit. An architect is designing an ISIS solution with these requirements: The backbone area will grow to 50 routers in the next 12 months. Routers A1 and A2 must avoid suboptimal routing. Summarization and route-leaking should be allowed in areas 49.002 and 49.003. Which solution must the architect select?
Options
A area 49.000 L1, area 49.001 L1, area 49.002 L2, and area 49.003 L2
B area 49.000 L2. area 49.001 L1, area 49.002 L1, and area 49.003 L1
C area 49.000 L1, area 49.001 L2, area 49.002 L2, and area 49.003 L2
D area 49.000 L2. area 49.001 L2, area 49.002 L1, and area 49.003 L1
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5
Question
Which two BGP features will result in successful route exchanges between eBGP neighbors sharing the same AS number? (Choose two.)
Select 2
Options
A bestpath as-path ignore
B client-to-client reflection
C advertise-best-external
D as-override
E allow-as-in
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