300-510 Self-Study Guide for Becoming an Implementing Cisco Service Provider Advanced Routing Solutions Expert [Q16-Q34]

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300-510 Self-Study Guide for Becoming an Implementing Cisco Service Provider Advanced Routing Solutions Expert

300-510 Study Guide Realistic Verified 300-510 Dumps

NO.16 Refer to the exhibit. An administrator is troubleshooting Internet access issues on a customer’s network. After applying this ISIS configuration to R1, the administrator notices that it fails to redistribute the default route into IS-IS. After checking the connectivity between the ISIS router and the ISP router the engineer confirmed there is Layer 3 connectivity between them. Which action should be taken to correct the problem?

Associate the default route with a VRF

Add the default-information originate command to the configuration

Configure the default route under any routing protocol other than IS-IS

Configure R1 as a Layer 1 router

NO.17 Refer to the exhibit. An engineer is troubleshooting IS-IS configuration between two areas. IS-IS Area-A network 30.1.1.0/24 is leaked into IS-IS Area-B. R2 is failing to filter the route updates from network 10.1.1.0/24. Which configuration must the engineer apply to resolve the issue?

R2(config)# ip prefix-list List2 seq 5 deny 10.1.1.0/24
R2(config)# interface fastethernet 0/0
R2(config-if)# ip router isis 100
R2(config-if)# router isis 100
R2(config-router)# distribute-list gateway List2 in

R2(config)# ip prefix-list List1 seq 3 deny 10.1.1.0/24
R2(config)# ip prefix-list List1 seq 5 permit 30.1.1.0/24 ge 25 1e
R2(config)# ip prefix-list List1 seq 10 permit 0.0.0.0/le 32
R2(config)# interface fastethernet 0/0
R2(config-if)# ip router isis 122
R2(config-if)# router isis 122
R2(config-router)# distribute-list prefix List1 in

R1(config)# ip prefix-list List2 seq 5 deny 10.1.1.0/24
R1(config)# interface fastethernet 0/0
R1(config-if)# ip router isis 100
R1(config-if)# router isis 100
R1(config-router)# distribute-list gateway List2 in
R (config-if)# router isis 150
R1(config-router)# distribute-list route-map Map1 in

R2(config)# access-list 101 deny ip any 10.1.1.0 0.0.0.127
R2(config)# access-list 101 permit ip any 30.1.1.0 0.0.0.63
R2(config)# access-list 101 deny ip any 0.0.0.0 0.0.0.0
R2(config)# interface fastethernet 0/0
R2(config-if)# ip router isis 121
R2(config-if)# router isis 121
R2(config-router)# distribute-list 101 in

NO.18 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?

The two routers cannot authenticate with one another.

The two routers have the same area ID.

The two routers have the same network ID.

The two routers have different IS-types.

NO.19 Refer to the exhibit.

What is the relationship between Router 1 and Router 2?

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.

Router 1 and Router 2 are participating in SR-TE tunnels and are both head-end routers.

Router 1 and Router 2 centrally learn the topology of the network to aid in SR-TE path selection for peers.

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.

NO.20 Refer to the exhibit.

Refer to the exhibit. An engineer is troubleshooting an issue with traffic steering using the color-only automated steering mechanism. BGP is failing to automatically steer traffic into an SR policy with the given color of a route, regardless of the next hop. The layer 2 configuration is correct, and the physical connection between the devices is working normally. Whch additional command sequence must the engineer add to correct the issue?

Option A

Option B

Option C

Option D

NO.21 Refer to the exhibit. Network connectivity between bank A and bank B has been lost. Users at bank A and bank B are able to successfully reach their directly connected PE routers. All routers in OSPF area 0 are correctly advertising and learning routing updates. Which action resolves the issue?

Enable next-hop-self under the iBGP peering configuration on routers PE1 and PE2.

Configure the P routers to redtstnbute BGP routes within OSPF area 0.

Configure router P1 to advertise the IP prefix of PE1.

Configure MPLS with an end-to-end label-switched path on each router.

NO.22 Refer to the exhibit.

An administrator is troubleshooting network issues on a customer’s network PE1 cannot form an LDP relationship with PE2 using LDP ID 192 168.1.1. Due to this connectivity issue, the customer’s routes behind both PE routers cannot be exchanged. Which action must the administrator take to correct the problem?

Configure PE2 to automatically select its own LDP router ID with 192.168.1.1.

Create a targeted LDP session on PE2 to override the missing routing table entry on PEL

Configure PE1 with a static route to 192 168.1.1.

Enable LDP session protection on the link that P1 uses as the next hop to PE2.

NO.23 Refer to the exhibit. An engineer is configuring service traffic from router R1 to R6 as shown.
Which additional configuration must the engineer implement so that the LDP and SR domains will participate and interwork with each other?

Router2(config)# segment-routing
Router2(config-sr)# ldp mapping-server
Router2(config-sr-ms)# prefix-sid-map
Router2(config-sr-ms-map)#
Router2(config-sr-ms-map-af)# 2.2.2.2/32 500 range 4

Router2(config)# segment-routing
Router2(config-sr)# sr mapping-server
Router2(config-sr-ms)# ldp-sid-map
Router2(config-sr-ms-map)# address-family ipv4
Router2(config-sr-ms-map-af)# 10.1.1.1/32 500 range 50

Router2(config)# segment-routing
Router2(config-sr)# mapping-server
Router2(config-sr-ms)# prefix-sid-map
Router2(config-sr-ms-map)# address-family ipv4
Router2(config-sr-ms-map-af)# 10.1.1.1/32 500 range 50

Router2(config)# segment-routing
Router2(config-sr)# ldp mapping-server
Router2(config-sr-ms)# prefix-sid-map
Router2(config-sr-ms-map)# address-family ipv4
Router2(config-sr-ms-map-af)# 2.2.2.2/32 500 range 40

NO.24 Refer to the exhibit.

CE1 and CE2 cannot communicate through the service provider BGP peering is established between PE1 and PE2. IS-IS is the only routing protocol running in the service provider core. What step can be done to troubleshoot the issue?

Switch the IGPs running in the core from IS-IS to OSPF to support a Cisco MPLS TE tunnel from PE1 to PE2.

Configure BGP between CE and PE routers.

Confirm that IS-IS is running with metric-style narrow.

Verify the MPLS LSPs.

NO.25 Refer to the exhibit.

Router 1 is connected to router 2 on interface TenGigE0/1. Which interface provides the alternate path to 172.16.200.9/32 when the link between router 1 and router 2 goes down?

TenGigE0/1 interface provides the alternate path

A backup path must be statically installed

TenGigE0/2 interface provides the alternate path

A primary path must be manually installed

NO.26 Refer to the exhibit.

A network engineer configured routers R1 and R5 to run in IS-IS Level 1 mode and router R6 to run in IS-IS Level 2 mode. All other routers are running as Level 1 / Level 2 routers. An engineer expects traffic from R1 to R6 to pass via R2, but IS-IS routing has calculated the best path via R4. Which action corrects the problem?

Configure all routers as Level 1 routers.

Remove the link metric for the link from router R1 to router R2.

Change the link metric for the link from router R1 to router R2 to 1.

Configure all routers as Level 1 / Level 2 routers.

NO.27 What is the role of segment routing mapping server?

It advertises a local SID mapping policy to all the mapping clients.

It works with IGP instances to calculate the prefix-SIDs in the absence of a mapping policy.

It selects multiple mapping entries to create overlapping active mapping policies.

It reads and translates remotely received SIDs from other mapping servers to create SID mapping entries.

NO.28 Refer to the exhibit.

Refer to the exhibit. Company X is multihomed to a service provider. With the default settings, the link between PE2 and CE1 is the primary link, but company X has asked for the link between PE4 and CE2 to operate as the primary instead. A network engineer used a route map with local-preference to manipulate the routes from PE2 to CE1 to be less desirable and applied the route map on PE2 outbound to CE1. However, the path from PE2 to CE1 is still preferred. Which action must the engineer take so that the desired path is chosen?

Apply local-preference on PE2 outbound to CE2 with a value less than 100.

Configure the AS path prepend attribute to increase the number of hops between CE2 and PE4.

Configure the weight attribute on PE2 in the outbound direction to CE2 with a value less than 65535.

Apply MED in the outbound direction on PE2 to CE1 with a cost lower than the path from PE4 to CE2.

NO.29 Refer to the exhibit. An engineer is troubleshooting a network routing issue on this IS-IS network situated at the customer’s regional hub. Router 2 that runs Cisco IOS XR Software cannot see the network 10.1.1.0/24 on router 1. The Layer 2 encapsulations are correct. The ARP connectivity for the Ethernet interface that runs IS-IS is working.
Which action resolves the issue?

On router 1, remove the CISCOLIVE keyword after the IP router Isis command under interface GigabitEthernet0/2.

Under the router isis command on router 1. Change is-type level-1 to is-type level-2.

On router 1, add the CISCOLIVE keyword after the IP router isis command under interface GigabitEthernet0/3.

Under the router isis command on router 2. Change is-type level-1 to is-type level-2.

NO.30 Refer to the exhibit. MPLS traffic from the packet core that is connected to router RX (10.10.10.1) to the radio network that is connected to router RB (10.10.10.6) uses the longer route RB R2 RY RX RX and R2 are configured with a default value of LDP hello and hold intervals. The team verified that OSPF neighborship in Area 0 is established between RX and R2.
Which action must be taken to choose the shortest path and resolve the issue?

NO.31 Refer to the exhibit.

Which task must you perform on interface g1/0/0 to complete the SSM implementation?

configure OSPFv3

enable CDP

disable IGMP

configure IGMPv3

NO.32

Refer to the exhibit. Excessive routes are flooding from network 150.0.0.0 into AS100. Internet traffic between AS400 and AS300 is working normally. No route controlling mechanism is applied on incoming and outgoing traffic Which configuration resolves the issue?

Option A

Option B

Option C

Option D

NO.33 Refer to the exhibit. AJI four routers on the network reside in the same data center. The four routers are running IS-IS between them in Level 1 mode within an IPv4 network. After a network engineer installed several new servers connected to R4, users connected via R1 reported they could not connect to applications on the servers. The engineer has determined that R4 is receiving routes from R3 but it is failing to receive routes from R1. Which action must the engineer take to resolve the issue?

Configure R3 only lo be a Level /Level 2 router

Configure R2 and R3 to be Level 1/Level 2 routers

Configure R2 only to be a Level 2 router

Configure R1 and R4 to be Level 2 routers

NO.34 Refer to the exhibit.

A customer reports that Host-1 is failing to receive streaming traffic from the IPTV source. The engineer has confirmed that hosts on router R2 are receiving traffic normally and that Host-1 is correctly sending subscription messages to join the IPTV stream. Which action must the engineer take to correct the problem?