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| Certification Vendor: | Cisco |
|---|---|
| Exam Name: | Designing Cisco Enterprise Networks (ENSLD) |
| Exam Number: | 300-420 |
| Exam Format: | Simulation, Fill-in-the-blank, Multiple-Choice, Multiple-Response, Drag-and-Drop |
| Passing Score: | Variable (750-850 / 1000) |
| Exam Duration: | 90 minutes |
| Certificate Validity Period: | 3 years |
| Real Exam Qty: | 55-65 |
| Related Certifications: | CCNP Enterprise |
| Exam Price: | USD 300 |
| Available Languages: | Japanese, English |
| Sample Questions: | Cisco 300-420 Sample Questions |
| Exam Way: | Pearson VUE (Online or Test Center) |
| Pre Condition: | No formal prerequisites, but CCNA level knowledge is recommended. |
| Official Syllabus URL: | https://learningnetwork.cisco.com/s/ccnp-enterprise |
Cisco certification exams become more and more popular. The certification exams are widely recognized by international community, so increasing numbers of people choose to take Cisco certification test. Among Cisco certification exams, 300-420 is one of the most important exams. So, in order to pass 300-420 test successfully, how do you going to prepare for your exam? Will you choose to study hard examinations-related knowledge, or choose to use high efficient study materials?
To prepare for the Cisco 300-420 Exam, candidates should have a good understanding of networking fundamentals, including TCP/IP, routing protocols, and switching technologies. They should also have experience working with Cisco technologies, including Cisco routers, switches, and firewalls. Cisco offers a range of training courses and study materials to help candidates prepare for the exam.
NEW QUESTION # 286
An engineer must propose a QoS architecture model that allows an application to inform the network of its traffic profile and to request a particular type of service to support its bandwidth and delay requirements. The application requires consistent and dedicated bandwidth end to end. Which QoS architecture model meets these requirements?
Answer: A
Explanation:
Explanation/Reference:
NEW QUESTION # 287
Which two routing protocols allow for unequal cost load balancing? (Choose two.)
Answer: C,E
Explanation:
Unequal cost load balancing is a feature that allows traffic to be distributed across unequal-cost paths to the same destination, which can increase network utilization and improve overall performance.
EIGRP (Enhanced Interior Gateway Routing Protocol) and OSPF (Open Shortest Path First) are two routing protocols that support unequal cost load balancing.
In EIGRP, unequal cost load balancing can be achieved by adjusting the "variance" parameter, which is a multiplier that determines the maximum metric of a feasible successor. The feasible successor is a backup route that meets the feasibility condition, which means its reported distance (the sum of the metric from the successor router and the advertised distance to the destination) is less than the current best path's metric. By default, EIGRP only considers successors with the same metric as the best path, but by increasing the variance, EIGRP can include feasible successors with higher metrics.
In OSPF, unequal cost load balancing can be achieved by enabling the "variance" command, which allows OSPF to use paths with metrics that are up to a certain multiple of the best path's metric. For example, if the variance is set to 2, OSPF can use paths with a metric that is up to twice the metric of the best path.
IS-IS (Intermediate System to Intermediate System) and BGP (Border Gateway Protocol) do not support unequal cost load balancing.
RIPng (Routing Information Protocol next generation) is a distance-vector routing protocol that does not support unequal cost load balancing.
NEW QUESTION # 288 
Refer to the exhibit. An engineer must design an address translation solution to provide Internet connectivity for the corporate network. The design Is restricted to the 172.16.168.0/22 subnet. Which solution must the engineer choose?
Answer: C
Explanation:
Stateful NAT64 is the correct translation solution when IPv6-only corporate hosts need Internet connectivity to IPv4 resources using a limited IPv4 address pool. NAT64 translates IPv6 client addresses to IPv4 addresses and maintains state for each session, allowing many IPv6 hosts to share a smaller set of IPv4 addresses through port multiplexing. The design is restricted to the 172.16.168.0/22 subnet, which provides an IPv4 pool that can be used for stateful translation. Stateless NAT64 requires algorithmic one-to-one address mapping and normally needs enough IPv4 address space to represent IPv6 hosts deterministically; it is not suitable when many clients must share a restricted IPv4 block. NAT66 translates IPv6 to IPv6 and does not provide access to IPv4 Internet resources. In a production design, stateful NAT64 is often paired with DNS64 so IPv6-only clients can resolve IPv4-only destinations through synthesized AAAA records. Reference topics:
stateful NAT64, DNS64, IPv6-to-IPv4 translation, address conservation, Internet access migration.
NEW QUESTION # 289 
Refer to the exhibit. An architect is designing an IPv4 plan using the 172.16.0.0/16. The design must maximize the number of subnets while meeting these requirements:
* 500 hosts within the server room
* 100 hosts at the remote site
* 25 hosts at the access site
Which plan must the architect choose?
Answer: D
Explanation:
The selected IPv4 plan is correct because the design must maximize the number of subnets while still meeting the host requirements for each location. With VLSM, the largest subnet must be allocated first. A segment requiring 500 hosts needs at least 9 host bits, because 2
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