Cisco 300-420 Designing Cisco Enterprise Networks (ENSLD) Online Training
Cisco 300-420 Online Training
The questions for 300-420 were last updated at Oct 23,2025.
- Exam Code: 300-420
- Exam Name: Designing Cisco Enterprise Networks (ENSLD)
- Certification Provider: Cisco
- Latest update: Oct 23,2025
DRAG DROP
Drag and drop the characteristics from the left onto the configuration protocols they describe on the right.
A network engineer must connect two sites across a public network using a secure tunneling technology that
supports multicast traffic.
Which technology must be chosen?
- A . IPsec
- B . GRE
- C . PPTP
- D . GRE over IPsec
In a Cisco SD-Access fabric, which node facilities connectivity between the fabric and networks external to the fabric?
- A . intermediate
- B . edge
- C . control plane
- D . border
Refer to the exhibit.
A network engineer must improve the current IS-IS environment. The Catalyst switch is equipped with dual supervisors. Each time a stateful switchover occurs, the network experiences unnecessary route recomputation.
Which solution addresses this issue if the upstream router does not understand graceful restart messaging?
- A . Enable IS-IS remote LFA FRR on both devices.
- B . Enable NSR on the switch.
- C . Enable NSF on the switch.
- D . Configure ISIS aggressive timers on both devices.
Refer to the exhibit.
A customer experienced an unexpected network outage when the link between R1 and R2 went down. An architect must design a solution to ensure network continuity in the event the link fails again.
Which solution should the design include?
- A . Make R31 an L1 router.
- B . Make R3 an L1L2 router
- C . Make Area 0 L2-only
- D . Make R11 an L2 router.
An infrastructure team is concerned about the shared memory utilization of a device, and for this reason, they need to monitor the device state.
Which solution limits impact on the device and provides the required data?
- A . IPFIX
- B . static telemetry
- C . on-change subscription
- D . periodic subscription
Which nonproprietary mechanism can be used to automate rendezvous point distribution in a large PIM domain?
- A . Embedded RP
- B . BSR
- C . Auto-RP
- D . Static RP
Which method does Cisco SD-WAN use to avoid fragmentation issues?
- A . PMTUD is used.
- B . Traffic is marked with the DF bit set.
- C . Jumbo frames are enabled.
- D . Access circuits are configured with 1600 byte MTU settings.
DRAG DROP
Drag and drop the description from the left onto the corresponding WAN connectivity types and categories on the right.
An engineer must use YANG with an XML representation to configure a Cisco IOS XE switch with these specifications:
✑ IP address 10.10.10.10/27 configured on the interface GigabitEthernet2/1/0
✑ connectivity from a directly connected host 10.10.10.1/27
Which YANG data model set must the engineer choose?
A)
B)
C)
D)
- A . Option A
- B . Option B
- C . Option C
- D . Option D
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