ROUTE 642-902 Q&As

ROUTE 642-902 Q&As

642-902 Q&A – Implement an IPv6 based solution (6-10)

Section 4 – Implement an IPv6 based solution, given a network design and a set of requirements

QUESTION NO: 6
During the IPv6 autoconfiguration, what does the device append to the 64-bit prefix that it receives from the router to create its IPv6 address? Select the best response.
A. a pseudorandom generated number
B. its locally configured IPv4 address
C. the DHCP-supplied device ID
D. its MAC address
Answer: D

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642-902 Q&A – Implement an IPv6 based solution (1-5)

Section 4 – Implement an IPv6 based solution, given a network design and a set of requirements

QUESTION NO: 1
Which two statements are true about using IPv4 and IPv6 simultaneously on a network segment? (Choose two.)
A. Hosts can be configured to receive both IPv4 and IPv6 addresses via DHCP.
B. Host configuration options for IPv4 can be either statically assigned or assigned via DHCP.
Host configuration options for IPv6 can be statically assigned only.
C. IPv6 allows a host to create its own IPv6 address that will allow it to communicate to other devices on a network configured via DHCP. IPv4 does not provide a similar capability for hosts.
D. IPv4 and IPv6 addresses can be simultaneously assigned to a host but not to a router interface. E. IPv6 provides for more host IP addresses but IPv4 provides for more network addresses.
Answer: AC

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642-902 Q&A Index (Section 3 – Implement an eBGP based solution)

Section 3 – Implement an eBGP based solution, given a network design and a set of requirements

• Determine network resources needed for implementing eBGP on a network
• Create an eBGP implementation plan
• Create an eBGP verification plan
• Configure eBGP routing
• Verify eBGP solution was implemented properly using show and debug commands
• Document results of eBGP implementation and verification plan

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642-902 Q&A – Implement an eBGP based solution (46-49)

Section 3 – Implement an eBGP based solution, given a network design and a set of requirements

QUESTION NO: 46
If a metric is not specified for routes that are redistributed into OSPF, the default metric that is assigned to the routes is 20, except for redistributed BGP routes. What is the metric that is assigned to redistributed BGP routes? Select the best response.
A.0
B.1
C.10
D.200
Answer: B

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642-902 Q&A – Implement an eBGP based solution (41-45)

Section 3 – Implement an eBGP based solution, given a network design and a set of requirements

QUESTION NO: 41
What are the two reasons for the appearance of 0.0.0.0 as the next hop for a network in the show ip bgp command output? (Choose two.) Select 2 response(s).
A. The network was originated via redistribution of an interior gateway protocol into BGP.
B. The network was defined by a static route.
C. The network was originated via a network or aggregate command.
D. The network was learned via EBGP.
E. The network was learned via IBGP.
Answer: AC

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642-902 Q&A – Implement an eBGP based solution (31-35)

Section 3 – Implement an eBGP based solution, given a network design and a set of requirements

QUESTION NO: 31
Which option is true regarding the synchronization rule?
A. Do not use or internally advertise a route until the route is learned from a source other than BGP.
B. Do not use or advertise a route until the route is learned from a BGP peer.
C. Do not use or advertise routes marked PARTIAL.
D. Wait until a CONFIRM message is received before using routes from BGP neighbors.
Answer: A

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642-902 Q&A – Implement an eBGP based solution (21-25)

Section 3 – Implement an eBGP based solution, given a network design and a set of requirements

QUESTION NO: 21
During BGP configuration on a router that has peered with other BGP speakers, the BGP command aggregate-address 172.32.0.0 255.255.252.0 is issued. However, the peers do not receive this aggregate network in BGP advertisements. Also, the router does not have this aggregate network in its BGP table. Which option indicates a possible reason this command did not cause the router to advertise the aggregate network to its peers? Select the best response.
A. Interface NULL 0 is likely shutdown.
B. The BGP command no synchronization is missing.
C. The BGP command no auto-summary is missing.
D. Subnets of 172.32.0.0/22 do not exist in the BGP table.
E. The IGP running on this router does not have network 172.32.0.0/22 installed. F. The next hop IP address must be a loopback address.
Answer: D

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642-902 Q&A – Implement an eBGP based solution (16-20)

Section 3 – Implement an eBGP based solution, given a network design and a set of requirements

QUESTION NO: 16
A router is running BGP and receives more than one route for a particular prefix.Assume all the routes for this prefix have the same attributes. Which three path features would be reasons be for the router to ignore some of the routes and not consider them as candidates for the best path? (Choose three.)
A. paths that are marked as synchronized in the show ip bgp output
B. paths that are marked as not synchronized in the show ip bgp output
C. paths for which the NEXT_HOP is accessible
D. paths for which the NEXT_HOP is inaccessible
E. paths from an external BGP (eBGP) neighbor if the local autonomous system (AS) appears in the AS_PATH
F. paths from an internal BGP (iBGP) neighbor if the local autonomous system (AS) appears in the AS_PATH
Answer: BDE

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