350-501 practice test

1. Question 1 · 1

   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?

   Choose one answer.

   • to 2.2.2.2, with a TTL of 2 or more
   • from 2.2.2.2, with a TTL of less than 2
   • to 2.2.2.2, with a TTL of less than 253
   • from 2.2.2.2, with a TTL of 253 or more

2. Question 2 · 1

   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?

   Choose one answer.

   

   • more specific route
   • virtual link between RB and RC
   • sham link
   • default route

3. Question 3 · 1

   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:

   Arrange the options in the correct order.

   

   • Execute the channel-group number mode active command to add the 10Gbps link to the existing bundle.
   • Execute the channel-group number mode on command add the 10Gbps link to the existing bundle.
   • Execute the lacp min-bundle 3 command to set the minimum number of ports threshold.
   • Validate the network layer of the 10Gbps link.
   • Execute the channel-group number mode auto command to add the 10Gbps link to the existing bundle.
   • Validate the physical and data link layers of the 10Gbps link.

4. Question 4 · 1

   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?

   Choose one answer.

   

   • 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
   • 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
   • 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
   • 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

5. Question 5 · 1

   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?

   Choose one answer.

   

   • Configure a low weight on the peer to ASN 4567.
   • Configure a high weight on the peer to ASN 4567.
   • Configure an AS path prepend on the peer to ASN 4567.
   • Configure a high med on the peer to ASN 4567.

6. Question 6 · 1

   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?

   Choose one answer.

   

   • router ospf 1 redistribute bgp 65001 metric 100 route-policy BGP-TO-OSPF end
   • router ospf 1 default-information originate end
   • router ospf 1 default-metric 100 end
   • router ospf 1 default-information originate always end

7. Question 7 · 1

   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?

   Choose one answer.

   

   • R1 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
   • R1 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
   • R1 router bgp 5400 neighbor 2.2.2.2 remote-as 5400 R2 router bgp 5400 neighbor 1.1.1.1 remote-as 5400
   • R1 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

8. Question 8 · 1

   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?

   Choose one answer.

   

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

9. Question 9 · 1

   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?

   Choose one answer.

   

   • Implement a sham link on the link between R3 and R2 to extend area 0 over area 15.
   • Implement a multiarea adjacency on the link between R2 and R4, with the cost manipulated to make the path through R4 preferred.
   • Place the link between R3 and R5 in a stub area to force traffic to use the route through R4.
   • Increase 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.

10. Question 10 · 1

    An engineer working for a private service provider with employee Id: 1234:56:789 is configuring a Cisco device to redistribute OSPF into BGP. Which task enables the device to filter routes?

    Choose one answer.

    • Configure an access list and reference it with the redistribute command.
    • Configure a route map and reference it with the redistribute command.
    • Configure a prefix list and associate it to the BGP peer interface.
    • Configure a distribute list and associate it to the BGP peer interface.

11. Question 11 · 1

    Refer to the exhibit. An engineer is configuring multitopology IS-IS for IPv6 on router R1. Which additional configuration must be applied to the router to complete the task?

    Choose one answer.

    

    • R1# configure terminal R1(config)# router isis area2 R1(config-router)# address-family ipv6 R1(config-router-af)# multi-topology
    • R1# configure terminal R1(config)# router isis area1 R1(config-router)# metric-style wide level-2 R1(config-router)# address-family ipv6 R1(config-router-af)# multi-topology
    • R1# configure terminal R1(config)# router isis area2 R1(config-router)# metric-style wide R1(config-router)# address-family ipv6 R1(config-router-af)# multi topology
    • R1# configure terminal R1(config)# router isis area1 R1(config-router)# metric-style wide level-1 R1(config-router)# address-family ipv6 R1(config-router-af)# multi topology

12. Question 12 · 1

    Refer to the exhibits. Which information is provided for traceback analysis when this configuration is applied?

    Choose one answer.

    

    • source interface
    • packet size distribution
    • IP sub flow cache
    • BGP version

13. Question 13 · 1

    Refer to the exhibit. A network operator has two IPv4 and IPv6 dual-stacked networks on each side of the IPv4 core network. The operator must be able to provide connectivity between them while using specific assigned IPv6 space provided from the company IP administrator team. Which technology should the network operator use to accomplish this goal?

    Choose one answer.

    

    • 6rd
    • DS-Lite
    • NAT44
    • NAT46

14. Question 14 · 1

    Refer to the exhibit. An engineer is reviewing the BGP configuration. Which routes must be advertised to 10.10.10.1?

    Choose one answer.

    

    • Local routes are permitted, and routes from other ASNs are denied.
    • All routes whether local or from other ASNs are denied.
    • Local routes are denied, and routes from other ASNs are permitted.
    • All routes whether local or from other ASNs are permitted.

15. Question 15 · 1

    Refer to the exhibit. An engineer is implementing BGP selective prefix suppression. The router must advertise only 10.16.4.0/24, 10.16.5.0/24, and summarized route 10.16.0.0/21, and suppress 10.16.6.0/24. Which configuration must the engineer apply to the router?

    Choose one answer.

    

    • Router (config)# router bgp 300 Router(config-router)# aggregate-address 10.16.6.0 255.255.252.0 as-set suppress-map SuppressMap
    • Router (config)# router bgp 300 Router(config-router)# aggregate-address 10.16.0.0 255.255.255.0 as-set suppress-map unSuppressMap
    • Router (config)# router bgp 300 Router(config-router)# aggregate-address 10.16.0.0 255.255.248.0 as-set suppress-map SuppressMap
    • Router (config)# router bgp 300 Router(config-router)# aggregate-address 10.16.6.0 255.255.255.0 as-set suppress-map SuppressMap

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