Printable PDFCisco 300-420 Exam Questions & Answers
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Vendor: Cisco
Exam Code: 300-420
Exam Name: Designing Cisco Enterprise Networks (ENSLD)
Certification Provider: Cisco
Total Questions: 395 Q&A ( View Details)
Updated on: Jul 09, 2026
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300-420 Online Practice Questions and Answers
Refer to the exhibit. An architect must design an IP addressing scheme for a multisite network connected via a WAN transit. The campus site must accommodate 12,000 devices and the branch sites must accommodate 1,000 devices. Which address scheme optimizes network device resources, contains convergence events to the different blocks of the network, and ensures future growth of the network?
A. Campus: 10.0.0.0/18 Branch1: 10.0.192.0/21 Branch2: 10.0.200.0/21
B. Campus: 10.0.0.0/16 Branchi: 10.255.0.0/20 Branch2: 10.255.16.0/20
C. Campus: 10.0.0.0/10
Branch1: 10.64.0.0/10
Branch2: 10.128.0.0/10
D. Campus: 10.0.0.0/20 Branch1: 10.0.64.0/21 Branch2: 10.0.128.0/21
Which method does Cisco SD-WAN use to avoid fragmentation issues?
A. PMTUD is used.
B. Access circuits are configured with 1600 byte MTU settings.
C. Jumbo frames are enabled.
D. Traffic is marked with the DF bit set.
Refer to the exhibit.
A network engineer must design a multicast solution based on:
1.
Many-to-many communications between the users and sources
2.
Support of up to 50 multicast sources
3.
Users that must register for steams Which multicast solution must the engineer select?
A. Any Source Multicast
B. Bidirectional PIM
C. Source-Specific Multicast
D. Multicast VPN
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