Cisco 300-420 Exam Questions - Pass With Confidence!

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Cisco 300-420 exam, also known as Designing Cisco Enterprise Networks (ENSLD), is a professional-level certification exam that validates your skills and knowledge in designing enterprise-level network solutions. 300-420 exam is designed for network engineers, architects, and designers who are responsible for designing and implementing complex enterprise networks.

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Know about the test theme of Cisco 300-420 Exam

Passing score: 70%
Length of Examination: 90 minutes
Number of questions: 65-75
Language: English, Japanese
Format: Multiple choices, multiple answers

Cisco Designing Cisco Enterprise Networks Sample Questions (Q32-Q37):

NEW QUESTION # 32
An engineer is designing a PIM Anycast RP solution between two data centers. The design must ensure that RP1 in DC1 and RP2 in DC2 inform each other about specific sources that have joined locally. Which solution must the engineer choose?

A. Enable MSDP between RPs using separate unique loopback interfaces
B. Provision the RPs on the same IP subnet and extend the subnet at Layer 2 between data centers
C. Enable MSDP between RPs using the configured Anycast RP address
D. No action is required because PIM registers from the source will, by default, reach each RP

Answer: A

NEW QUESTION # 33
Refer to the exhibit. A network engineer working for a private service provider with an employee ID: 1234:56:789 must design a BGP solution based on:
- All traffic originating from AS100 must pass through AS200 to reach
the NTP and DHCP server
- When a link failure occurs between R3 and R4, traffic must follow the R2-R9 link to reach the NTP and DHCP server Which solution must the design include?

A. Routers R3 and R10 advertise an IGP metric into BGP during redistribution in both directions
B. Routers R3 and R10 advertise a lower local preference for outgoing traffic and a higher AS-PATH value for incoming traffic
C. Router R6 influences the paths of R9 and R11 to the DC with a higher AS-PATH value
D. Router R3 applies a local preference of 200 for R1, R2, R9, and R11 routers to reach the data center

Answer: C

NEW QUESTION # 34

Refer to the exhibits. An engineer is troubleshooting an issue in which the Gig0/2 interface on a Cisco switch named SW2 fails to become the root port. Which two commands must be run on SW2 to resolve this issue?
(Choose two.)

Answer: C,E

Explanation:
The selected command pair is appropriate because the issue is that GigabitEthernet0/2 on SW2 is not becoming the root port as expected. In spanning-tree design, the root port is selected based on the lowest root path cost, then upstream bridge ID, then port ID when necessary. If the wrong port is selected, the engineer must adjust the local spanning-tree parameters on SW2 so that the intended interface has the best path toward the root bridge. Typical corrective commands lower the spanning-tree cost or set the port priority on the desired interface or VLAN instance. The correct answer pair is therefore the combination that changes the STP decision variables for Gig0/2 rather than changing unrelated features such as PortFast, BPDU Guard, or VLAN trunking. PortFast is unsafe on switch-to-switch links, and protection features do not make an interface more attractive as a root port. The fix must influence STP path selection while keeping the topology loop-free.
Reference topics: STP root port election, path cost, port priority, root bridge path selection, Catalyst Layer 2 troubleshooting.

NEW QUESTION # 35
Refer to the exhibit.

Refer to the exhibit. The connection between SW2 and SW3 is fiber and occasionally experiences unidirectional link failure. An architect must optimize the network to reduce the change of layer2 forwarding loops when the link fails. Which solution should the architect include?

A. Utilize root guard on SW1.
B. Utilize loop guard on SW2
C. Utilize 8PDU filter on SW3.
D. Utilize BPDU guard on SW1

Answer: B

NEW QUESTION # 36
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?

Answer: C

NEW QUESTION # 37
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