350-501 practice questions 1–10

1. Question 1 · 377 in bank

   DRAG DROP - Drag and drop the OSs from the left onto the correct descriptions on the right. Select and Place:

   

   This is an interactive task on the real exam — a drag-and-drop, hotspot or ordering question. There is nothing to select here, so the answer is shown below for reference.

   Show the answer figure

   Answer: See figure below

   Explanation

   Reference: https://specialties.bayt.com/en/specialties/q/276369/what-is-the-key-difference-between-ios-ios-xe-and-ios-xr-for-cisco-devices/

   

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2. Question 2 · 377 in bank

   While implementing TTL security, you issue the PE(config-router-af)#neighbor 2.2.2.2 ttl-security hops 2 command. After you issue this command, which BGP packets does the PE accept?

   • Ato 2.2.2.2, with a TTL of 2 or more
   • Bfrom 2.2.2.2, with a TTL of less than 2
   • Cto 2.2.2.2, with a TTL of less than 253
   • Dfrom 2.2.2.2, with a TTL of 253 or more

   Show answer

   Answer: D

   Explanation

   Reference: https://www.cisco.com/c/en/us/td/docs/ios/12_2sx/feature/guide/fsxebtsh.html#wp1059215

   Source: Adapted from community discussion — chst

   References

   • Cisco documentation

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3. Question 3 · 377 in bank

   

   Refer to the exhibit. If RC is a stub router, which entry must be injected so that it will send traffic outside the OSPF domain?

   • Amore specific route
   • Bvirtual link between RB and RC
   • Csham link
   • Ddefault route

   Show answer

   Answer: D

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4. Question 4 · 377 in bank

   DRAG DROP - A network engineer is adding an additional 10Gbps link to an existing 2x10Gbps LACP-based LAG to augment its capacity. Network standards require a bundle interface to be taken out of service if one of its member links goes down, and the new link must be added with minimal impact to the production network. Drag and drop the tasks that the engineer must perform from the left into the sequence on the right. Not all options are used. Select and Place:

   

   This is an interactive task on the real exam — a drag-and-drop, hotspot or ordering question. There is nothing to select here, so the answer is shown below for reference.

   Show the answer figure

   Answer: See figure below

   Explanation

   1 - Validate the physical and data link layers of the 10gbps link 2 - Execute the channel-group number mode active command 3 - Execute the lacp min-bundle 3 command 4 - Validate the network layer of the 10Gbps link

   Source: Adapted from community discussion — TonBud

   

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5. Question 5 · 377 in bank

   

   Refer to the exhibit. Router 1 and router 2 are running IBGP, and router 2 and router 3 are running OSPF Area 0. Router 1 is advertising loopback interfaces Lo 0 and Lo 2, and router 2 is redistributing BGP into OSPF Area 0. Which configuration must an administrator apply so that router 2 uses a route map to redistribute only the internal route from Lo 2?

   • Aip prefix-list BGP-to-ospf seq 5 permit 22.22.22.22/32 router bgp 100 bgp redistribute-internal route-map BGP-To-OSPF permit 10 match ip address prefix-list BGP-to-ospf router ospf 1 redistribute bgp 100 metric 100 metric-type 1 subnets route-map BGP-To-OSPF
   • Bip prefix-list BGP-to-ospf seq 5 permit 22.22.22.0/24 router bgp 100 bgp redistribute-static route-map BGP-To-OSPF permit 10 match ip address prefix-list BGP-to-ospf router ospf 1 redistribute bgp 100 metric-type 2 route-map BGP-To-OSPF
   • Cip prefix-list BGP-to-ospf seq 5 permit 22.22.22.0/24 router map BGP-To-OSPF permit 10 match ip address prefix-list BGP-to-ospf router ospf 1 redistribute bgp 100 metric 100 metric-type 1 subnet route-map BGP-To-OSPF
   • Dip prefix-list BGP-to-ospf seq 5 permit 22.22.22.0/24 router map BGP-To-OSPF permit 10 match ip address prefix-list BGP-to-ospf router ospf 1 redistribute bgp 100 route-map BGP-To-OSPF

   Show answer

   Answer: A

   Explanation

   A is the only one with a /32, it's a no brainer A. ip prefix-list BGP-to-ospf seq 5 permit 22.22.22.22/32 router bgp 100 bgp redistribute-internal route-map BGP-To-OSPF permit 10 match ip address prefix-list BGP-to-ospf router ospf 1 redistribute bgp 100 metric 100 metric-type 1 subnets route-map BGP-To-OSPF B. ip prefix-list BGP-to-ospf seq 5 permit 22.22.22.0/24 router bgp 100 bgp redistribute-static route-map BGP-To-OSPF permit 10 match ip address prefix-list BGP-to-ospf router ospf 1 redistribute bgp 100 metric-type 2 route-map BGP-To-OSPF C. ip prefix-list BGP-to-ospf seq 5 permit 22.22.22.0/24 router map BGP-To-OSPF permit 10 match ip address prefix-list BGP-to-ospf router ospf 1 redistribute bgp 100 metric 100 metric-type 1 subnet route-map BGP-To-OSPF D. ip prefix-list BGP-to-ospf seq 5 permit 22.22.22.0/24 router map BGP-To-OSPF permit 10 match ip address prefix-list BGP-to-ospf router ospf 1 redistribute bgp 100 route-map BGP-To-OSPF

   Source: Adapted from community discussion — mohdema

   References

   • cisco.com documentation

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6. Question 6 · 377 in bank

   

   Refer to the exhibit. An engineer is configuring path selection on router R1 for two ASNs as shown. Which additional task must the engineer perform on Router 1 so that all outbound traffic utilizes the link between R1 and R3 to reach ASN 4567?

   • AConfigure a low weight on the peer to ASN 4567.
   • BConfigure a high weight on the peer to ASN 4567.
   • CConfigure an AS path prepend on the peer to ASN 4567.
   • DConfigure a high med on the peer to ASN 4567.

   Show answer

   Answer: B

   Explanation

   AS PATH Prepending would affect the traffic coming into your AS from neighboring AS So C is wrong, you would use weight to answer the question is B, IN real life you would use LP.

   Source: Adapted from community discussion — sherlock0

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7. Question 7 · 377 in bank

   

   Refer to the exhibit. Router BRDR-1 is configured to receive the 0.0.0.0/0 and 172.17.1.0/24 networks via BGP and advertise them into OSPF area 0. An engineer has noticed that the OSPF domain is receiving only the 172.17.1.0/24 route and default route 0.0.0.0/0 is still missing. Which configuration must an engineer apply to resolve the problem?

   • Arouter ospf 1 redistribute bgp 65001 metric 100 route-policy BGP-TO-OSPF end
   • Brouter ospf 1 default-information originate end
   • Crouter ospf 1 default-metric 100 end
   • Drouter ospf 1 default-information originate always end

   Show answer

   Answer: B

   Explanation

   the different between B and D, is for "default-information originate" you must have a default route in the routing table whereas with "default-information originate always" it will still redistribute a default route even if there isnt one in the table. In this case there is a learned default route via bgp so i believe the answer is B.

   Source: Adapted from community discussion — rm868

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8. Question 8 · 377 in bank

   

   Refer to the exhibit. Router R1 is reporting that its BGP neighbor adjacency to router R2 is down, but its state is Active. Which configuration must be applied to routers R1 and R2 to fix the problem?

   • AR1 router bgp 5400 neighbor 11.11.11.11 remote-as 5400 neighbor 11.11.11.11 update-source Loopback0 R2 router bgp 5400 neighbor 11.11.11.12 remote-as 5400 neighbor 11.11.11.12 update-source Loopback0
   • BR1 router bgp 5400 neighbor 2.2.2.2 remote-as 5400 neighbor 2.2.2.2 update-source Loopback0 R2 router bgp 5400 neighbor 1.1.1.1 remote-as 5400 neighbor 1.1.1.1 update-source Loopback0
   • CR1 router bgp 5400 neighbor 2.2.2.2 remote-as 5400 R2 router bgp 5400 neighbor 1.1.1.1 remote-as 5400
   • DR1 router bgp 5400 neighbor 1.1.1.1 remote-as 5400 neighbor 1.1.1.1 update-source Loopback0 R2 router bgp 5400 neighbor 2.2.2.2 remote-as 5400 neighbor 2.2.2.2 update-source Loopback0

   Show answer

   Answer: D

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9. Question 9 · 377 in bank

   

   Refer to the exhibit. A network operator is attempting to configure an IS-IS adjacency between two routers, but the adjacency cannot be established. To troubleshoot the problem, the operator collects this debugging output. Which interfaces are misconfigured on these routers?

   • AThe R2 interface is configured as point-to-point, and the peer router interface is configured as multipoint.
   • BThe R2 interface is configured as Level 1 only, and the peer router interface is configured as Level 2 only.
   • CThe peer router interface is configured as point-to-point, and the R2 interface is configured as multipoint.
   • DThe peer router interface is configured as Level 1 only, and the R2 interface is configured as Level 2 only.

   Show answer

   Answer: B

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10. Question 10 · 377 in bank

    

    Refer to the exhibit. An engineer has started to configure a router for OSPF, as shown. Which configuration must an engineer apply on the network so that area 15 traffic from R5 to R1 will prefer the route through R4?

    • AImplement a sham link on the link between R3 and R2 to extend area 0 over area 15.
    • BImplement a multiarea adjacency on the link between R2 and R4, with the cost manipulated to make the path through R4 preferred.
    • CPlace the link between R3 and R5 in a stub area to force traffic to use the route through R4.
    • DIncrease the cost on the link between R2 and R3 to a value higher than the link between R2 and R4, to influence the path over R3 and R4.

    Show answer

    Answer: B

    Explanation

    The link where R1 resides is external to the OSPF domain, so R2 is the ASBR and R5 will have to choose the best path to reach it. To reach R2, Intra-area path is always preferred than inter-area, so the best cost will not decide in this case. I have tried "answer D" solution in the lab and the path is still R5-R3-R2-R1 even with a much higher metric

    Source: Adapted from community discussion — magmartin

    References

    • Cisco documentation

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350-501 practice, question 1. 377 questions available.