300-510 Exam Brain Dumps - Study Notes and Theory [Jan-2022]
100% Guaranteed Results 300-510 Unlimited 104 Questions
NEW QUESTION 26
Refer to the exhibit.
R1 is directly connected to R2 and R3. R1 is in BGP AS 123, R2 is in BGP AS 2, and R3 is in BGP AS 3. Assume that there is no connectivity issue between R1, R2 and R1, R3. Which result between BGP peers R1, R2 and R1, R3 is true?
- A. The BGP session comes up between R1 and R2, but not between R1 and R3.
- B. The BGP session comes up between R1 and R2 and between R1 and R3.
- C. The BGP session does not come up between R1 and R2 and between R1 and R3.
- D. The BGP session comes up between R1 and R3, but not between R1 and R2.
Answer: B
NEW QUESTION 27
Refer to the exhibit.
Which task must you perform on interface g1/0/0 to complete the SSM implementation?
- A. disable IGMP
- B. configure OSPFv3
- C. enable CDP
- D. configure IGMPv3
Answer: D
Explanation:
Reference:
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipmulti_pim/configuration/xe-16/imc-pim-xe-16-book/imc-ssm.html
NEW QUESTION 28
Which expression, when used with the as-path-set command, matches the AS path attribute of the route?
- A. Length
- B. dfa-regtex
- C. neighbor-is
- D. ios-regex
Answer: D
NEW QUESTION 29
Refer to the exhibit.
Routers R1 and R2 cannot form a neighbor relationship, but the network is otherwise configured correctly and operating normally. Which two statements describe the problem? (Choose two.)
- A. The two routers are in the same area
- B. The two routers are in different areas
- C. The two routers have the same network ID
- D. The two routers have password mismatch issues
- E. The two routers are in different subnets
Answer: B,E
NEW QUESTION 30
Refer to the exhibit.
After troubleshooting BGP traffic steering issue, which action did the network operator take to achieve the correct effect of this configuration?
- A. Routes that have originated through AS 65517 have the local preference set to 150.
- B. Routes that have passed through AS 65517 have the local preference set to 150.
- C. Routes directly attached to AS 65517 have the local preference set to 150.
- D. Routes that have passed through AS 65517 have the local preference set to 150 and the traffic is denied.
Answer: B
NEW QUESTION 31
Refer to the exhibit.
What is the relationship between Router 1 and Router 2?
- A. Router 1 and Router 2 centrally learn the topology of the network to aid in SR-TE path selection for peers.
- B. Router 1 and Router 2 are participating in SR-TE tunnels and are both head-end routers.
- C. Router 1 centrally learns the topology of the network to aid in SR-TE path selection, and Router 2 is a node that feeds Router 1 topology information.
- D. Router 2 is the head-end router in an SR-TE tunnel, and it is learning topology of the network from the PCE enabled on Router 1.
Answer: D
NEW QUESTION 32
Which feature is used in multicast routing to prevent loops?
- A. RPF
- B. split horizon
- C. STP
- D. inverse ARP
Answer: A
NEW QUESTION 33
Refer to the exhibit.
Why is neighbor 10.1.5.5 stuck in "2WAY" state?
- A. OSPF parameters (Area ID or hello interval) are mismatched between R2 and 10.1.5.5
- B. OSPF authentication has failed between R2 and 10.1.5.5
- C. Router ID 10.1.5.5 is not reachable from R2
- D. It is an expected behavior when OSPF network type is broadcast
Answer: D
NEW QUESTION 34
An engineer is troubleshooting end-to-end customer traffic across an MPLS VPN service provider network.
Which tasks should the engineer use to solve the routing issues? Drag and drop the table types from the left onto the most useful troubleshooting tasks/router types on the right. (Not all options are used.)
Answer:
Explanation:
NEW QUESTION 35
Refer to the exhibit.
Which LSA type is indicated by this router output?
- A. type 1 LSA
- B. type 3 LSA
- C. type 4 LSA
- D. type 2 LSA
Answer: A
NEW QUESTION 36
Refer to the exhibit.
R1 is directly connected to R2 and R3. R1 is in BGP AS 123, R2 is in BGP AS 2, and R3 is in BGP AS 3. Assume that there is no connectivity issue between R1, R2 and R1, R3. Which result between BGP peers R1, R2 and R1, R3 is true?
- A. The BGP session comes up between R1 and R2, but not between R1 and R3.
- B. The BGP session comes up between R1 and R2 and between R1 and R3.
- C. The BGP session does not come up between R1 and R2 and between R1 and R3.
- D. The BGP session comes up between R1 and R3, but not between R1 and R2.
Answer: B
NEW QUESTION 37
Which two conditions must be met before separate ISPs can provide interdomain multicast routing? (Choose two.)
- A. Each ISP must replace its RP assignment with a global RP.
- B. Each ISP must support intradomain multicast routing.
- C. Each ISP must dedicate a single router to handle multicast traffic between providers.
- D. Each ISP must configure its network to use PIM-DM.
- E. Each ISP must configure MSDP to connect its individual multicast administrative domain to the domains at other ISPs.
Answer: B,E
NEW QUESTION 38 
Refer to the exhibit. After you applied these configurations to routers R1 and R2, the two devices could not form a neighbor relationship. Which reason for the problem is the most likely?
- A. The two routers have the same network ID.
- B. The two routers cannot authenticate with one another.
- C. The two routers have the same area ID.
- D. The two routers have different IS-types.
Answer: A
NEW QUESTION 39
Refer to the exhibit.
R1 is directly connected to R2 and R3. R1 is in BGP AS 123, R2 is in BGP AS 2, and R3 is in BGP AS 3. Assume that there is no connectivity issue between R1, R2 and R1, R3. Which result between BGP peers R1, R2 and R1, R3 is true?
- A. The BGP session comes up between R1 and R2, but not between R1 and R3.
- B. The BGP session comes up between R1 and R2 and between R1 and R3.
- C. The BGP session does not come up between R1 and R2 and between R1 and R3.
- D. The BGP session comes up between R1 and R3, but not between R1 and R2.
Answer: B
NEW QUESTION 40
Refer to the exhibit.
An engineer has successfully fixed BGP peering issue. R1 has an established eBGP peering with R2 and R3. Which mechanism should the engineer apply in order to steer the traffic correctly?
- A. The weight attribute can be applied on R2 to influence AS 65513 to use AS 65515 as the primary path.
- B. The IGP metric can be manipulated on R1 to allow traffic to be load balanced between R2 and R3.
- C. The local preference attribute can be applied on R3 to influence AS 65513 to use AS 65515 as the secondary path.
- D. The MED attribute can be applied on R2 to influence R1 to use it as the primary path.
Answer: B
NEW QUESTION 41 
Refer to the exhibit. A network operator is getting the route for 10.11.11 0/24 from two upstream providers on
#XR3. The network operator must configure #XR3 to force the 10.11.11.0/24 prefix to route via next hop of
10.0.0.9 as primary when available. Which of these can the operator use the routing policy language for, to enforce this traffic forwarding path?
- A. lower local preference on the prefix coming from 192.168.0.2
- B. weight of 100 on the prefix coming from 192.168.0.1
- C. weight of 0 on the prefix coming from 192.168.0.2
- D. higher local preference on the prefix coming from 192.168.0.1
Answer: D
NEW QUESTION 42
Refer to the exhibit.
Why is neighbor 10.1.5.5 stuck in "2WAY" state?
- A. OSPF parameters (Area ID or hello interval) are mismatched between R2 and 10.1.5.5
- B. OSPF authentication has failed between R2 and 10.1.5.5
- C. Router ID 10.1.5.5 is not reachable from R2
- D. It is an expected behavior when OSPF network type is broadcast
Answer: D
Explanation:
Reference:
https://www.cisco.com/c/en/us/support/docs/ip/open-shortest-path-first-ospf/13683-11.html
NEW QUESTION 43
Refer to the exhibit.
P1 and PE3 Cisco IOS XR routers are directly connected and have this configuration applied. The BGP session is not coming up. Assume that there is no IP reachability problem and both routers can open tcp port 179 to each other. Which two actions fix the issue? (Choose two.)
- A. Change MD5 to SHA-1
- B. Change MD5 to HMAC-MD5
- C. Change MD5 to HMAC-SHA1-12
- D. Remove the send and accept lifetime under key 1
- E. Change MD5 to HMAC-ESP
Answer: B,C
NEW QUESTION 44
Refer to the exhibit.
Which task must you perform on interface g1/0/0 to complete the SSM implementation?
- A. disable IGMP
- B. configure OSPFv3
- C. enable CDP
- D. configure IGMPv3
Answer: D
NEW QUESTION 45
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