Best Quality Cisco 300-420 Exam Questions RealExamFree Realistic Practice Exams [2024]
Critical Information To Designing Cisco Enterprise Networks Pass the First Time
NEW QUESTION # 17
When designing interdomain multicast, which two protocols are deployed to achieve communication between multicast sources and receivers? (Choose two.)
- A. MLD
- B. MP-BGP
- C. IGMPv2
- D. MSDP
- E. BIDIR-PIM
Answer: B,D
NEW QUESTION # 18
What is the purpose of a TLOC extension in a Cisco SD-WAN network fabric?
- A. to aggregate multiple physical interfacesinto a single logical Interface
- B. to expand the number of colors that are potentially applied to a network transport interface
- C. to facilitate WAN Edge router redundancy within a site
- D. to identify the physical interface where a WAN Edge router connects to the WAN transport network
Answer: C
NEW QUESTION # 19
What is the function of the multicast Reverse Path Forwarding check?
- A. It serves as an Auto RP Mapping agent.
- B. It allows for a loop-free distribution tree from the source to receivers.
- C. It prevents bootstrap messages from reaching all routers.
- D. It is used to discover and announce RP-set information.
Answer: B
NEW QUESTION # 20
An engineer is creating a design to enable IPv6 to run on an existing IPv4 IS-IS network. The IPv4 and IPv6 topologies will match exactly, and the engineer plans to use the same router levels for each protocol per interface. Which IS-IS design is required?
- A. multi topology without enabling transition feature
- B. multi topology with transition feature enabled
- C. single topology without enabling transition feature
- D. single topology with transition feature enabled
Answer: B
Explanation:
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/iproute_isis/configuration/15-mt/irs-15-mt-book/ip6-route-multi-isis.html
NEW QUESTION # 21
A company plans to transition to IPv6. They will link their IPv4 addresses to the lowest significant bits of the new Ipv6 addresses. A network administrator with an employee id: 4264:42:116 is preparing a mapping schema for the new IPv6 addresses. Which address does the 172.16.10.0/24 network translate to?
- A. 2001:db8:ac10:0a00::/64
- B. 2001:db8:abcd::ac10:a00/120
- C. 2001:db8:abcd:11d8:a00/120
- D. 2001:db8:abcd:172:16:10::/96
Answer: B
Explanation:
" link their IPv4 addresses to the lowest significant bits " This can never be a /64 network but must me a /120 network.
NEW QUESTION # 22
Refer to the exhibit. An architect must design a solution to connect the two ASs. To optimize bandwidth, the design will implement load sharing between router R6 and router R4. Which solution should the design include?
- A. Use next-hop-serf attributes only for routes that are learned from eBGP peers.
- B. Use maximum-paths to install multiple paths in the routing table.
- C. Configure the eBGP TTL to support eBGP multihop.
- D. Use update-source to specify the Loopback interface.
Answer: B
NEW QUESTION # 23
Which routes does the overlay management protocol advertise in an SD-WAN overlay?
- A. primary, backup, and load-balanced
- B. prefix, TLOC, and service
- C. Internet, MPLS, and backup
- D. underlay, MPLS, and overlay
Answer: B
NEW QUESTION # 24
Refer to the exhibit.
Refer to the exhibit. An architect must design a solution to connect the two ASs. To optimize bandwidth, the design will implement load sharing between router R6 and router R4. Which solution should the design include?
- A. Use next-hop-serf attributes only for routes that are learned from eBGP peers.
- B. Use maximum-paths to install multiple paths in the routing table.
- C. Configure the eBGP TTL to support eBGP multihop.
- D. Use update-source to specify the Loopback interface.
Answer: B
NEW QUESTION # 25
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. GRE over IPsec
- B. IPsec direct encapsulation
- C. GETVPN
- D. DMVPN
Answer: A
NEW QUESTION # 26
Refer to the exhibit.
Refer to the exhibit. An engineer must design an automatic failover solution. The solution should allow HSRP to detect a WAN 1 failure and initiate an automatic failover, making router R2 the active HSRP router. Which two solutions should the engineer choose? (Choose two.)
- A. use a floating static route
- B. Implement IP SLA on router R1
- C. use IP source routing
- D. Implement PBR on router R1
- E. Implement Enhanced Object Tracking on router R1
Answer: B,E
NEW QUESTION # 27
When vEdge router redundancy is designed, which FHRP is supported?
- A. OMP
- B. VRRP
- C. GLBP
- D. HSRP
Answer: B
Explanation:
Section: Advanced Enterprise Campus Networks
NEW QUESTION # 28
Refer to the exhibit.
An engineer is designing a routing solution for a customer. The design must ensure that a failure of network
10.1.0.0/24, 10.1.2.0/24, 10.2.1.0/24, or 10.2.3.0/24 does not impact the core. It also requires fast convergence time during any link failover in the core or access networks. Which solution must the engineer select?
- A. Enable graceful restart on routers A and C.
- B. Enable summarization on routers A and C.
- C. Enable FRR for the connected networks of routers A and C.
- D. Add aggregation layer between core and access networks.
Answer: C
NEW QUESTION # 29
Which two routing protocols allow for unequal cost load balancing? (Choose two.)
- A. BGP
- B. OSPF
- C. IS-IS
- D. RIPng
- E. EIGRP
Answer: A,E
Explanation:
Section: Advanced Addressing and Routing Solutions
NEW QUESTION # 30
Refer to the exhibit.
An engineer must design a WAN solution so that ISP-1 is always preferred over ISP-2. The path via ISP-2 is considered as a backup and must be used only when the path to ISP-1 is down. Which solution must the engineer choose?
- A. R1:
- Routes advertised to ISP-1: 0x AS-path prepend
- Routes received from ISP-1: HIGH local-preference
- Routes advertised to R2: no action
- Routes received from R2: community NO-EXPORT
R2:
- Routes advertised to ISP-2:5x AS-path prepend
- Routes received from ISP-2: LOW local-preference
- Routes advertised to R1: community NO-ADVERTISE
- Routes received from R1: no action - B. R1:
- Routes advertised to ISP-1: 0x AS-path prepend
- Routes received from ISP-1: LOW local-preference
- Routes advertised to R2: community NO-ADVERTISE
- Routes received from R2: no action
R2:
- Routes advertised to ISP-2: 5x AS-path prepend
- Routes received from ISP-2: HIGH local-preference
- Routes advertised to R1: no action
- Routes received from R1: community NO-ADVERTISE - C. R1:
- Routes advertised to ISP-1: 0x AS-path prepend
- Routes received from ISP-1: HIGH local-preference
- Routes advertised to R2: community NO-EXPORT
- Routes received from R2: no action
R2:
- Routes advertised to ISP-2: 5x AS-path prepend
- Routes received from ISP-2: LOW local-preference
- Routes advertised to R1: no action
- Routes received from R1: no action - D. R1:
- Routes advertised to ISP-1: 5x AS-path prepend
- Routes received from ISP-1: LOW local-preference
- Routes advertised to R2: community NO-ADVERTISE
- Routes received from R2: no action
R2:
- Routes advertised to ISP-2: 0x AS-path prepend
- Routes received from ISP-2: HIGH local-preference
- Routes advertised to R1: community NO-EXPORT
- Routes received from R1: no action
Answer: C
NEW QUESTION # 31
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. Change the link between distribution switch A and distribution switch B to be a routed link
- B. Add a link between access switch A and access switch B
- C. Create an EtherChannel link between distribution switch A and distribution switch B
- D. Reconfigure the distribution switch A to become the HSRP Active
Answer: D
NEW QUESTION # 32
Refer to the exhibit.
A network engineer is designing a network for AS100. The design should ensure that all traffic enters AS100 via link 1 unless there is a network failure. In the event of a failure, link 2 should function as the path for incoming traffic. Which solution should the design include?
- A. Use AS-Path prepending on R3.
- B. Modify the next-hop attribute on R4.
- C. Use AS-Path prepending on R4.
- D. Modify the next-hop attribute on R3.
Answer: C
NEW QUESTION # 33
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Know about the cost of Cisco 300-420 Exam
- The cost of the Cisco 300-420 Exam is $300.
Cisco 300-420 exam is an advanced level certification exam for designing Cisco enterprise networks. Designing Cisco Enterprise Networks certification is highly valued by employers and is considered a benchmark for networking professionals. Designing Cisco Enterprise Networks certification demonstrates the candidate’s expertise in enterprise network design principles, theories, and best practices. Candidates who pass the exam will earn the Cisco Certified Design Professional (CCDP) certification, which is valid for three years.
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