300-510 試験問題と解答 - 模擬練習 - 練習問題・模擬試験

Question No : 1
Refer to the exhibit.

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

A.configure OSPFv3
B.enable CDP
C.disable IGMP
D.configure IGMPv3

正解:
Explanation:
Reference: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipmulti_pim/configuration/xe-16/imc-pim-xe-16-book/imc-ssm.html

Question No : 2
What are two features of dual-stack? (Choose two.)

A.t is implemented without excessive processing power.
B.t supports IPv4 and IPv6 traffic on the same infrastructure.
C.t allows an engineer to stack multiple Layer 2 switches to serve as a single switching unit.
D.t requires tunneling IPv6 traffic over an IPv4 infrastructure.
E.t securely routes and tunnels traffic between separate sites over the Internet.

正解:

Question No : 3
Refer to the exhibit.

After troubleshooting BGP traffic steering issue, which action did the network operator take to achieve the correct effect of this configuration?

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.

正解:

Question No : 4
Refer to the exhibit

Router R1 is configured to advertise outgoing SA messages to routers R2 and R3, but to receive incoming SA messages only from R2 .
Which additional configuration must an engineer apply to router R1 so it filters all MSDP SA messages from Domain-C?

A.R1# ip msdp sa-filter in 192.168.3.1
B.R3# ip msdp sa-filter out 192.168.3.1
C.R3# ip msdp password peer 192.168.1.1
D.R1# ip msdp password peer 192.168.3.1

正解:
Explanation:
Reference: https://www.cisco.com/c/en/us/support/docs/ip/ip-multicast/13717-49.html

Question No : 5
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.

正解:

Question No : 6
Which command is used to enable BIDIR-PIM under global configuration mode for Cisco IOS XE Software?

A.ip pim bidir ip
B.multicast-routing
C.ipv4 pim bidir-enable
D.Ip pim bidlr-enable

正解:

Question No : 7
Refer to the exhibit.

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?

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

正解:

Question No : 8
Refer to the exhibit.

A network operator is troubleshooting TE tunnels and discovers that the soft preemption is not working as desired.
Where should the soft preemption be applied to solve the issue?

A.on the tail-end device for tunnel-te1 192.168.0.7
B.under the tunnel-te1 interface on PE1
C.explicitly for tunnel-te 1 under the Cisco MPLS TE configuration mode after the timeout setting
D.Under the interface Loopback0 necessary for this deployment type.

正解:

Question No : 9
Which feature is used in multicast routing to prevent loops?

A.STP
B.inverse ARP
C.RPF
D.split horizon

正解:

Question No : 10
Which two statements about mapping multicast IP addresses to MAC addresses are true? (Choose two.)

A.All mapped multicast MAC addresses begin with 0x0100.5E
B.The router performs the mapping before it hands the packet off to a switch
C.All multicast MAC addresses end with 0x0100.5E
D.The mapping process may generate overlapping addresses, which can cause receivers to receive unwanted packets
E.All destination MAC addresses begin with an octet of binary 1s

正解:

Question No : 11
DRAG DROP
Compare different features between OSPFv2 and OSPFv3.
Drag and drop the descriptions of OSPF from the left onto the correct OSPF versions on the right.

正解:

Question No : 12
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?

A.TenGigE0/1 interface provides the alternate path
B.A backup path must be statically installed
C.TenGigE0/2 interface provides the alternate path
D.A primary path must be manually installed

正解:

Question No : 13
Refer to the exhibit.

Traffic flow from router R1 to router R6 is delay-sensitive It must consider potential link-failure and node-failure conditions.
Which configuration must an engineer apply to router R1 to route traffic to router R6 if router R2 fails?

A.Option A
B.Option B
C.Option C
D.Option D

正解:

Question No : 14
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

正解:
Explanation:
Reference: https://www.ciscopress.com/articles/article.asp?p=31948

Question No : 15
Refer to the exhibit.

After these configurations were applied to routers R1 and R2. the two devices cannot form a neighbor relationship.
What is the reason tor the problem?

A.The two routers have the same area I
B.The two routers have different iS-types
C.The two routers have the same network ID
D.The two routers cannot authenticate with one another

正解:

Cisco 300-510 問題練習