New 2022 Guaranteed Success with DumpsTorrent 300-420 Dumps Cisco PDF Questions
Exceptional Practice To Designing Cisco Enterprise Networks Pass the First Time
NEW QUESTION 17
Which component of Cisco SD-Access integrates with Cisco DNA Center to perform policy segmentation and enforcement through the use of security group access control lists and security group tags?
- A. Cisco TrustSec
- B. Cisco Application Policy Infrastructure Controller Enterprise Module
- C. Cisco Network Data Platform
- D. Cisco Identity Services Engine
Answer: A
Explanation:
Section: Advanced Enterprise Campus Networks
NEW QUESTION 18
A customer is discussing QoS requirements with a network consultant. The customer has specified that endto- end path verification is a requirement. Which QoS solution meets this requirement?
- A. marking traffic at the access layer with CoS to support the traffic flows
- B. IntServ model with RSVP to support the traffic flows
- C. DiffServ model with PHB to support the traffic flows
- D. marking traffic at the access layer with DSCP to support the traffic flows
Answer: B
NEW QUESTION 19
Drag and drop the components in a Cisco SD-Access architecture from the left onto their descriptions on the right.
Answer:
Explanation:
NEW QUESTION 20
What is the role of a control-plane node in a Cisco SD-Access architecture?
- A. map system that manages endpoint to device relationships
- B. map system that manages External Layer 3 networks
- C. fabric device that connects APs and wireless endpoints to the SD-Access fabric
- D. fabric device that connects wired endpoints to the SD-Access fabric
Answer: A
NEW QUESTION 21
An organization plans to deploy multicast across two different autonomous systems. Their solution must allow RPs to:
* discover active sources outside their domain
* use the underlying routing information for connectivity with other RPs
* announce sources joining the group
Which solution supports these requirements?
- A. PIM-DM
- B. SSM
- C. MSDP
- D. PIM-SM
Answer: C
Explanation:
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipmulti_pim/configuration/xe-3s/asr903/imc-pim-xe-3s-asr903-book/imc_msdp.pdf
NEW QUESTION 22
An engineer must design a multicast network for a financial application. Most of the multicast sources also receive multicast traffic (many-to-many deployment model). To better scale routing tables, the design must not use source trees. Which multicast protocol satisfies these requirements?
- A. BIDIR-PIM
- B. MSDP
- C. PIM-SSM
- D. PIM-SM
Answer: A
Explanation:
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipmulti_pim/configuration/xe-16/imc-pim-xe-16-book/imc-tech-oview.html Bidir-PIM is designed to be used for many-to-many applications within individual PIM domains. Multicast groups in bidirectional PIM mode can scale to an arbitrary number of sources without incurring overhead due to the number of sources.
NEW QUESTION 23 
Refer to the exhibit. Customers report low video quality and delays when having point-to-point telepresence video calls between the two locations. An architect must optimize a design so that traffic follows the same path for egress and ingress traffic flows. Which technique optimizes the design?
- A. Configure route filter on the router in area 4.
- B. Configure route leaking on the router in area 2.
- C. Configure route leaking on the router in area 1.
- D. Configure the high metric on the router in area 4.
Answer: D
NEW QUESTION 24
Which OSPF area blocks LSA Type 3, 4 and 5, but allows a default summary route?
- A. stub
- B. totally stubby
- C. normal
- D. NSSA
Answer: B
NEW QUESTION 25
Which type of rendezvous point deployment is standards-based and support dynamic RP discovery?
- A. Auto-RP
- B. Anycast-RP
- C. bootstrap router
- D. static RP
Answer: C
NEW QUESTION 26
An engineer is designing an EIGRP network for a small branch site where there is only one Layer 3 router. The engineer wants the router to advertise the local LAN network to remote EIGRP neighbors without sending any unnecessary multicast messages on the local LAN. Which action should the engineer take?
- A. Advertise the local LAN using the network command and the passive-interface feature
- B. Use a static default route for this site instead of EIGRP
- C. Advertise the local LAN subnet as a stub network
- D. Redistribute the local LAN network using the redistribute connected command
Answer: A
Explanation:
Section: Advanced Addressing and Routing Solutions
NEW QUESTION 27
An engineer must connect a new remote site to an existing OSPF network. The new site consists of two low-end routers, one for WAN, and one for LAN. There is no demand for traffic to pass through this are a. Which area type does the engineer choose to provide minimal router resources utilization, while still allowing for full connectivity to the rest of the network?
- A. not so stubby
- B. stubby area
- C. totally not so stubby
- D. totally stubby area
Answer: D
NEW QUESTION 28
Which two BGP features will result in successful route exchanges between eBGP neighbors sharing the same AS number? (Choose two.)
- A. advertise-best-external
- B. as-override
- C. bestpath as-path ignore
- D. client-to-client reflection
- E. allow-as-in
Answer: B,E
Explanation:
Explanation
NEW QUESTION 29
Drag and drop the properties from the left onto the protocols they describe on the right.
Answer:
Explanation:
Reference:
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/prog/configuration/166/b_166_programmability_cg/ b_166_programmability_cg_chapter_01011.html
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/prog/configuration/169/b_169_programmability_cg/ configuring_yang_datamodel.html
NEW QUESTION 30
Refer to the exhibit.
An engineer must optimize the traffic flow of the network. Which change provides a more efficient design between the access and the distribution layer?
- A. Create an EtherChannel link between distribution switch A and distribution switch B
- B. Change the link between distribution switch A and distribution switch B to be a routed link
- C. Reconfigure the distribution switch A to become the HSRP Active
- D. Add a link between access switch A and access switch B
Answer: C
NEW QUESTION 31
Refer to the exhibit.
EIGRP has been configured on all links. The spoke nodes have been configured as EIGRP stubs, and the WAN links to R3 have higher bandwidth and lower delay than the links to R4. When a link failure occurs at the R1-R2 link, what happens to traffic on R1 that is destined for a subnet attached to R2?
- A. R1 load-balances across the paths through R3 and R4 to reach R2
- B. R1 has no route to R2 and drops the traffic
- C. R1 forwards the traffic to R3 in order to reach R2
- D. R1 forwards the traffic to R3, but R3 drops the traffic
Answer: C
NEW QUESTION 32
An architect is creating a migration strategy for a large organization in which the choice made by the application between IPv6 and IPv4 is based on the DNS request. Which migration strategy does the architect choose?
- A. site-to-site IPv6 over IPv4 tunnels
- B. host-initiated tunnels
- C. AFT for public web presence
- D. dual stack
Answer: D
Explanation:
Section: Advanced Addressing and Routing Solutions
NEW QUESTION 33
Refer to the exhibit. An architect must design a solution to connect the network behind R3 with the EIGRP network. Which mechanism should be included to avoid routing loops?
- A. down bit
- B. split-horizon
- C. route tags
- D. summarization
Answer: C
NEW QUESTION 34
Refer to the exhibit.
EIGRP has been configured on all links. The spoke nodes have been configured as EIGRP stubs, and the WAN links to R3 have higher bandwidth and lower delay than the links to R4. When a link failure occurs at the R1-R2 link, what happens to traffic on R1 that is destined for a subnet attached to R2?
- A. R1 forwards the traffic to R3 in order to reach R2
- B. R1 load-balances across the paths through R3 and R4 to reach R2
- C. R1 has no route to R2 and drops the traffic
- D. R1 forwards the traffic to R3, but R3 drops the traffic
Answer: C
Explanation:
Explanation
The EIGRP stub routing feature will prevent the remote device from advertising core routes back to the distribution devices. Routes learned by the remote device from Distribution 1 will not be advertised to Distribution 2. Therefore, Distribution 2 will not use the remote device as a transit for traffic destined to the network core
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/iproute_eigrp/configuration/15-mt/ire-15-mt-book/ire-eigrp-s
NEW QUESTION 35
An engineer must design a solution to provide backup connectivity between two sites. The engineer plans to use an Internet connection but company policy requires the connection to be encrypted. Additionally, there are several applications that utilize multicast to deliver video streams between the sites. Which technology should the design include?
- A. GETVPN
- B. DMVPN
- C. GRE over IPsec
- D. IPsec direct encapsulation
Answer: C
NEW QUESTION 36
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?
- A. LLQ
- B. IntServ
- C. WRED
- D. DiffServ
Answer: B
NEW QUESTION 37
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