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300-420 無料問題集「Cisco Designing Cisco Enterprise Networks」

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トータル 377 問

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質問 1

What are the three foundational elements required for the new operational paradigm? (Choose three.)

（A）centralization

（B）fabric

（C）assurance

（D）policy-based automated provisioning of network

（E）multiple technologies at multiple OSI layers

（F）application QoS

正解：B、C、D 解答を投票する

質問 2

An engineer is upgrading a company's main site to include a connection to a second ISP. The company will receive full Internet routing tables from both ISPs via BGP. The engineer must ensure that the company does not become a transit autonomous system. Which solution should be included in this design?

（A）Lower the MED for updates sent to the secondary ISP.

（B）Modify the local-preference for routes incoming from the primary ISP.

（C）Tag incoming routes from both ISPs with BGP community no-export.

（D）Use a route-map to prevent all prefixes from being advertised to either ISP.

正解：C 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 3

An architect is designing a connectivity solution for a customer's two small branch offices. The customer wants a cost-effective design, no routing overhead, and some down time during the year is acceptable. Which connectivity solution must the architect choose?

（A）dual multihomed

（B）dual-homed

（C）single multihomed

（D）single-homed

正解：D 解答を投票する

質問 4

An engineer must design a management network that enables SSH, NTP, FTP, and SNMP over the production network. The design requires the management of routers and switches that exist across different networks. Which feature must the design include?

（A）dedicated management VRF connection per device

（B）terminal server

（C）Management Plane Protection

（D）dedicated management console connection per device

正解：A 解答を投票する

質問 5

Refer to the exhibit. An architect is designing a hierarchical ISIS solution for a customer with these requirements:
- Routers will double in all areas within the next 24 months.
- Link flaps within areas 20 and 30 must not impact the backbone area.
- Traffic originating from A201 and A302 routers must connect to
application servers in the backbone.
Which design must the architect select?

（A）C101 Level 1/2, A201 Level 1, and A101 Level 2

（B）C201 Level 1/2, A301 Level 1/2, and A102 Level 1/2

（C）C302 Level 2, A302 Level 1/2, and A101 Level 2

（D）C102 Level 2, A202 Level 2, and A102 Level 1

正解：A 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 6

Refer to the exhibit. An engineer is designing an OSPF network for a client. Requirements dictate that the routers in Area 1 should receive all routes belonging to the network, including EIGRP, except the ones originated in the RIP domain. Which action should the engineer take?

（A）Make area 1 a standard OSPF area.

（B）Make area 1 a stub.

（C）Make the area 1 routers part of area 0.

（D）Make area 1 a NSSA.

正解：D 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 7

Which consideration must be taken into account when using the DHCP relay feature in a Cisco SD-Access Architecture?

（A）A DHCP server must be enabled on the border nodes to allow subnets to span multiple fabric edges.

（B）DHCP Option-82 must be enabled to map the circuit IP option to the access fabric node where the DHCP discover originated.

（C）DHCP servers must support Cisco SD-Access extensions to correctly assign IPs to endpoints in an SDAccess fabric with anycast gateway.

（D）DHCP-relay must be enabled on fabric edge nodes to provide the correct mapping of DHCP scope to the local anycast gateway.

正解：B 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 8

Which two statements about VRRP object tracking are true? (Choose two)

（A）A VRRP group can track only one object at a time

（B）VRRP can track the status of interfaces and routes

（C）The priority of a VRRP device can change in accordance with the up or down status of a VRRP object

（D）The VRRP interface priority must be manually configured by the administrator

（E）VRRP supports only interce tracking

正解：B、C 解答を投票する

質問 9

An engineer is designing an enterprise campus network.
The LAN infrastructure consists of switches from multiple vendors, and Spanning Tree must be used as a Layer 2 loop prevention mechanism.
All configured VLANs must be grouped in two SIP instances.
Which standards-based Spanning Tree technology supports this design solution?

（A）RSTP

（B）Rapid PVST

（C）MSTP

（D）STP

正解：C 解答を投票する

質問 10

When a first hop redundancy solution is designed, which protocol ensures that load balancing occurs over multiple routers using a single virtual IP address and multiple virtual MAC addresses?

（A）HSRP

（B）VRRP

（C）IRDP

（D）GLBP

正解：D 解答を投票する

質問 11

An engineer must design a routing solution for a company that is single-homed to an ISP. The company's goal is to run BGP between the CE and the PE devices. To support running BGP, the company obtained a public AS number and IP subnet from ARIN. Which solution must the engineer select?

（A）- The customer announces the public IP subnet to the ISP.
- The ISP announces the default route to the customer.

（B）- The customer announces the default route to the ISP.
- The ISP announces the default route to the customer.

（C）- The customer announces the public IP subnet to the ISP.
- The ISP announces the BGP table to the customer.

（D）- The ISP announces the customer public IP subnet.
- The ISP announces the partial BGP table to the customer.

正解：A 解答を投票する

質問 12

Which feature minimizes TLOC connections and reduces strain on the vSmart controller in an SD-WAN architecture?

（A）affinity

（B）control-connections

（C）control-direction

（D）color

正解：A 解答を投票する

質問 13

Which two options are requirements for EIGRP authentication? (Choose two)

（A）The authentication key IDs must match between two neighbors.

（B）AN IPsec profile must be configured.

（C）The authentication key must be configured within the EIGRP routing configuration.

（D）The Authentication key must be configured under the interface running EIGRP.

（E）A crypto map must be configured.

（F）A separate key chain must be configured.

正解：A、D 解答を投票する

質問 14

Which Cisco product were incorporated into Cisco ISE between ISE releases 2.0 and 2.3?

（A）Cisco ESA

（B）Cisco WSA

（C）Cisco ACS

（D）Cisco ASA

正解：C 解答を投票する

質問 15

An engineer is designing a network for a customer running a wireless network with a common VLAN for all APs. The customer is experiencing unicast flooding in the Layer 2 network between the aggregation and access layers. The customer wants to reduce the flooding and improve convergence time. Which solution meets these requirements?

（A）Align HSRP primary and STP root bridges and reduce ARP timers to match CAM timers on the aggregation layer switches.

（B）Migrate to a Layer 3 access campus design if the APs can run on separate VLANs.

（C）Migrate all APs to a common Layer 2 access layer switch and run Layer 3 from the aggregation layer to all remaining access layer switches.

（D）Align HSRP primary and STP root bridges if the APs cannot run on separate VLANs.

正解：A 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 16

A company requested that an architect propose a new IPv4 and IPv6 deployment strategy. The company wants a solution that is straightforward, with no information hiding or forwarding overhead. Which solution meets these requirements?

（A）LISP

（B）GRE tunnels

（C）dual-stack

（D）NAT64

正解：C 解答を投票する

質問 17

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 a lower local preference for outgoing traffic and a higher AS-PATH value for incoming traffic

（B）Router R6 influences the paths of R9 and R11 to the DC with a higher AS-PATH value

（C）Routers R3 and R10 advertise an IGP metric into BGP during redistribution in both directions

（D）Router R3 applies a local preference of 200 for R1, R2, R9, and R11 routers to reach the data center

正解：B 解答を投票する

質問 18

What are two advantages of the Cisco SD-WAN technology? (Choose two.)

（A）improved application experience

（B）optimized cloud connectivity

（C）easier deployment

（D）consistent connectivity

（E）proactive network management

正解：A、B 解答を投票する

質問 19

Which PIM mode uses a shared tree only?

（A）bidirectional

（B）sparse

（C）dense

（D）source-specific

正解：A 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

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300-420 無料問題集「Cisco Designing Cisco Enterprise Networks」

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