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2021 Sep ccnp route 642-902 official certification guide ebook:
Q141. Refer to the exhibit.
By default, when RTB passes BGP advertisements from RTA about network 192.168.2.0 to RTC, what address will be listed as the next-hop address?
Select the best response
A. 192.168.1.49
B. 10.1.1.1
C. 10.1.1.2
D. 192.168.1.50
Answer: D
Q142. Company plans on migrating their network from IPv4 to IPv6 in the near future. Which three techniques can be used to transition from IPv4 to IPv6? (Select three)
A. Dual stack
B. NAT
C. Flow label
D. Mobile IP
E. 6to4 tunneling
F. Anycast
G. MBGP
Answer: ABE
Q143. Refer to the exhibit.
Which statement is true about the 6.6.6.0/24 prefix? Select the best response.
A. Route 6.6.6.0/24 is learned by an IBGP peer.
B. The command neighbor send-community is configured on BGP neighbor 10.10.23.3.
C. The route 10.10.23.3 is not being advertised to other BGP neighbors.
D. If another path advertises the 6.6.6.0/24 path and has the default local preference, that path is more preferred.
Answer: B
Q144. To make OSPF area 4 a totally stubby area, which two things need to be done? (Choose two.)
A. Apply the area 4 stub command to all routers in the area.
B. On the ABR, use the area 4 stub command with the no-summary keyword.
C. On the ABR, specify a default cost for the area with the area default-cost command.
D. On the ABR, use the default-information originates command to inject a default route into area 4.
E. Use the auto-cost command on each router in the area to automatically determine the cost to other OSPF areas.
Answer: AB
Q145. IP tunneling is a method to encapsulate IP datagram within IP datagrams, which allows datagrams intended for one IP address to be wrapped and redirected to another IP address. Pv6 packets are encapsulated directly behind the IPv4 header. Drag the header fields to the appropriate places:
Answer:
Renovate cisco 642-902 dumps:
Q146. What are three reasons to control routing updates via route filtering? (Choose three).
A. to hide certain networks from the rest of the organization
B. for easier implementation
C. to control network overhead on the wire
D. for simple security
E. to prevent adjacencies from forming
Answer: ACD
Q147. Which two statements are true about 6to4 tunnels? (Choose two.)
A. In a 6to4 tunnel, the first two bytes of the IPv6 address will be 0x2002 and the next four bytes will be the hexadecimal equivalent of the IPv4 address.
B. In a 6to4 tunnel, the first two bytes of the IPv6 address will be locally derived and the next two bytes will be the hexadecimal equivalent of the IPv4 address.
C. In a 6to4 tunnel, the IPv4 address 192.168.99.1 would be converted to the 2002:c0a8:6301::/48 IPv6 address.
D. In a 6to4 tunnel, the IPv4 address 192.168.99.1 would be converted to the 2002:c0a8:6301::/16 IPv6 address.
E. In a 6to4 tunnel, the IPv4 address 192.168.99.1 would be converted to the 2002:1315:4463:1::/64 IPv6 address.
Answer: AC
Q148. Based on the need to limit processing and bandwidth utilization due to dynamic routing protocol operation, the following routing requirements have been specified for your network.
- partial and incremental routing updates
- only the devices affected by a topology change perform route recomputation
- route recomputation only occurs for routes that were affected
Which dynamic routing protocol should be deployed in your network to best meet these requirements? Select the best response.
A. BGP
B. OSPF
C. IS-IS
D. EIGRP
E. RIPv2
Answer: D
Q149. During the redistribution process configured on RTA, some of the EIGRP routes, such as 10.1.1.0/24 and 10.2.2.0/24, are not being redistributed into the OSPF routing domain.
Which two items could be a solution to this problem? (Choose two.)
A. Change the metric-type to 2 in the redistribute command.
B. Configure the redistribute command under router eigrp 1 instead.
C. Change the EIGRP AS number from 100 to 1 in the redistribute command.
D. Add the subnets option to the redistribute command.
E. Change the metric to an EIGRP compatible metric value (bandwidth, delay, reliability, load, MTUs) in the redistribute command.
Answer: CD
Q150. Refer to the exhibit.
EIGRP has been configured on router D. Router C is performing mutual redistribution between EIGRP and OSPF. While verifying that the redistribution is functioning properly, you discover that while router C has all of the EIGRP routes in its routing table, router A does not have any routes from the EIGRP domain. What on router C may be the cause of the problem? Select the best response.
A. The no auto-summary command needs to be added under router eigrp 1.
B. The subnets keyword was not included in the redistribute command under router ospf 1.
C. The metric specified for the redistributed EIGRP routes is too large; making the EIGRP routes unreachable by router A.
D. The default-information originate command needs to be added under router ospf 1.
E. The administrative distance of either OSPF or EIGRP must be changed so that EIGRP has a higher administrative distance than OSPF.
Answer: B