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Pass the Cisco CCNP Service Provider 300-510 Questions and answers with CertsForce

Viewing page 8 out of 8 pages
Viewing questions 71-80 out of questions
Questions # 71:

Refer to the exhibit.

Question # 71

After troubleshooting BGP traffic steering issue, which action did the network operator

take to achieve the correct effect of this configuration?

Options:

A.

Routes that have passed through AS 65517 have the local preference set to 150.


B.

Routes that have originated 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.


Expert Solution
Questions # 72:

What is the role of a segment routing mapping server?

Options:

A.

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


B.

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


C.

It selects multiple mapping entries to create overlapping active mapping policies


D.

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


Expert Solution
Questions # 73:

What are two differences between OSPF and IS-IS? (Choose two.)

Options:

A.

OSPF is a link-state routing protocol, and IS-IS is a distance-vector routing protocol.


B.

OSPF uses a router ID to identify a router, and IS-IS uses a system ID.


C.

OSPF elects a DR and a BDR, and IS-IS elects a DIS.


D.

Unlike OSPF. IS-IS supports virtual links.


E.

Unlike IS-IS routers, an OSPF router belongs to only one area in addition to the backbone area.


Expert Solution
Questions # 74:

Refer to the exhibit.

Question # 74

ISP_A in AS 635 has four BGP neighbors connected one-by-one, starting from AS 12 R1 has been configured with bgp deterministic-med and bgp additional-paths install to influence egress traffic After a recent reload of R10, all traffic was automatically re-routed via AS 87 A network engineer must correct the traffic flow and route the traffic via AS 101 Which configuration must the engineer apply to R1 to correct the problem without affecting the second BGP attribute?

Options:

A.

bgp bestpath compare-routerid


B.

bgp bestpath med missing-as-worst


C.

bgp always-compare-med


D.

bgp default local-preference 200


Expert Solution
Questions # 75:

What is the difference between basic IS-IS and OSPF packet types?

Options:

A.

IS-IS and OSPF use area packets, but only IS-IS uses sequence number packets.


B.

IS-IS and OSPF use link-state update packets, but only OSPF uses link-state ACK packets.


C.

IS-IS and OSPF use Hello packets, but only OSPF uses DBD packets.


D.

IS-IS and OSPF use link-state update packets, but only IS-IS uses DBD packets.


Expert Solution
Questions # 76:

Question # 76

Refer to the exhibit The engineering team noticed route disruptions when DSL subscriber 172.16.20.10 goes offline. In this service provider environment:

The OSPF backbone area is configured to advertise loopback prefixes

The PE routers are running BGP-IPv4 address family in a BGP-free core topology.

The DSL subscriber IP subnet 172.16.20.10/32 is redistributed in BGP on PE1

Which configuration on PE1 resolves the issue?

Question # 76

Options:

A.

Option A


B.

Option B


C.

Option C


D.

Option D


Expert Solution
Questions # 77:

Refer to the exhibit.

Question # 77

Which LSA type is indicated by this router output?

Options:

A.

type 3 LSA


B.

type 4 LSA


C.

type 1 LSA


D.

type 2 LSA


Expert Solution
Questions # 78:

Refer to the exhibit.

Question # 78

Router 1 is a core ABR in a Cisco Unified MPLS environment. All of the router 1 BGP

peers are established, but traffic between customers is failing. Which BGP configuration must be added to the configuration?

Options:

A.

It must be configured for graceful restart


B.

It must be configured with a route reflector


C.

It must be configured with send labels


D.

It must be configured with PIC edge


Expert Solution
Questions # 79:

What are two features of dual-stack? (Choose two.)

Options:

A.

It is implemented without excessive processing power.


B.

It supports IPv4 and IPv6 traffic on the same infrastructure.


C.

It allows an engineer to stack multiple Layer 2 switches to serve as a single switching unit.


D.

It requires tunneling IPv6 traffic over an IPv4 infrastructure.


E.

It securely routes and tunnels traffic between separate sites over the Internet.


Expert Solution
Questions # 80:

An engineer is troubleshooting slow performance issues on a customer’s network after the last multicast configuration change was applied on it While checking the running configuration on the router the engineer notices there are many ip igmp join-group commands applied on several interfaces of the router which caused the high CPU utilization usage. What action must the engineer take to solve this issue?

Options:

A.

Configure ip igmp static-group command on all interfaces


B.

Remove ip igmp join-group command on all unnecessary interfaces


C.

Configure all router interfaces to be process-switched by increasing the query interval


D.

Remove unnecessary members from the IGMP group


Expert Solution
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Viewing questions 71-80 out of questions