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Cisco 300-510 - Implementing Cisco Service Provider Advanced Routing Solutions

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Total 214 questions

Refer to the exhibit.

An engineer applied the summarization configuration on R1 for four networks (192.168.20.0/24 to 192.168.23.0/24) in area 1 and eight networks (192.168.32.0/24 to 192.168.39.0/24) in area 2 to stop the flooding of all the customer routes. While checking the routing table of R2, the engineer noticed that R1 is still sending only specific routes to R2. Which configuration should the engineer apply on R1 to summarize routes?

A.

Option A

B.

Option B

C.

Option C

D.

Option D

Refer to the exhibit. An engineer working for a private telecommunication company with an employee id 4115 46 881 is enabling a segment routing solution with these requirements.

    A service provider is using the default range for prefix SID.

    PE1 must allocate the first SID from the default range for the loopback address

    PE1 and PE2 loopback SID allocation should have a minimum difference of 500.

Which configuration must be implemented to meet the requirements?

A.

Option A

B.

Option B

C.

Option C

D.

Option D

Refer to the exhibit.

A network operators configuring BGP PIC on CE1 on already established neighborships with PE1ana PE2 inside the fully converged MPLS network Which element needs to be implemented to make this feature function effectively?

A.

Bidirectional Forwarding Detection must be applied to the upstream facing BGP interfaces.

B.

The operator must ensure that all prefixes have the same next-hop from PE1 and PE2 for BGP PICA reserved BGP

C.

community of 1 10 must be used to denote the PIC feature set to the routing protocol

D.

BGP import export policies must be applied on all devices for the routes needing BGP for PIC

Refer to the exhibit.

The extension header of the IPv6 header is ignored when which value is equal to zero?

A.

Segments Left

B.

Hdr Ext Len

C.

Routing Type

D.

Next Header

Refer to the exhibit.

OSPF is running in the network, which spans multiple areas as shown, and all OSPF neighbors are established. Hosts that reside on the LAN on R1 are trying to reach a server connected to R5, but R1 cannot reach the R5 routes. The server must maintain a TCP connection with the hosts. Which action must the engineer take to resolve the issue?

A.

Configure a static route on R1 pointing to R3 so that traffic reaches routes connected to R5.

B.

Configure a virtual link between R1 and R3 to allow area 1 to communicate to area 3.

C.

Configure a static route on R1 and R3 that uses R5 as the next hop for traffic destined to routes connected to R5.

D.

Configure a virtual link between R1 and R2 to connect area 1 to area 0.

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?

A.

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

B.

Configure BGP between CE and PE routers.

C.

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

D.

Verify the MPLS LSPs.

Refer to the exhibit. An engineering team implemented IS-IS on the network, with several different areas. Recently, router R6 in area 3 has been experiencing excessive CPU usage. To reduce the load, a network engineer implemented route summarization on R2 However. R6 is still receiving the full routes from all routers. Which action must the engineer take to resolve the excessive CPU usage?

A.

Configure routers R3 and R5 to send summary routes to R6.

B.

Configure the Level 2 router R6 to manage summarization for the network

C.

Configure router R1 to send only the default route to R2 and R4.

D.

Configure all routers as Level 1/2 routers so that route summarization functions throughout the network

What is the characteristic of enabling segment routing for IGPs?

A.

Segment routing must first be enabled under the routing process and then globally.

B.

Segment routing must first be enabled globally and then under the routing process.

C.

Segment routing must be enabled only globally.

D.

Segment routing must be enabled only under the routing process.

Refer to the exhibit. A network engineer must correct the security policy on the EDGE_R router, which is connected to two Tier 1 ISPs. After another engineer added ip as-path access-list 11 permit 11 to EDGE_R, some routes from AS 11 and AS 4832 started to appear in the routing information base (RIB). Traffic control via Community options is disabled on both ISPs. How should the network engineer update the router configuration on EDGE_R so that only routes for AS 11 are permitted?

A.

Configure ip as-path prefix-list 11 permit _11$.

B.

Configure ip as-path access-list 11 permit _11_.

C.

Configure ip as-path distribution-list 11 deny A[0-9]+S.

D.

Configure ip as-path access-list 11 deny 4832$.

Drag and drop the features from the left onto the corresponding routing protocols on the right