Cisco 300-510 Practice Test - Questions Answers, Page 4
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Which two statements about mapping multicast IP addresses to MAC addresses are true? (Choose two.)
All mapped multicast MAC addresses begin with 0x0100.5E
The router performs the mapping before it hands the packet off to a switch
All multicast MAC addresses end with 0x0100.5E
The mapping process may generate overlapping addresses, which can cause receivers to receive unwanted packets
All destination MAC addresses begin with an octet of binary 1s
You have configured routing policies on a Cisco IOS XR device with routing policy language. Which two statements about the routing policies are true? (Choose two.)
The routing policies affect BGP-related routes only.
If you make edits to an existing routing policy without pasting the full policy into the CLI, the previous policy is overwritten.
You can change an existing routing policy by editing individual statements.
The routing policies are implemented in a sequential manner.
The routing policies are implemented using route maps.
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
Refer to the exhibit.
Which statement about this configuration is true?
Router 1 sends and receives multiple best paths from neighbor 192.168.1.1
Router 1 sends up to two paths to neighbor 192.168.1.1 for all routes
Router 1 receives up to two paths from neighbor 192.168.1.1 for all routes in the same AS
Router 1 receives only the best path from neighbor 192.168.1.1
Which cost is the default when redistributing routes from BGP to OSPF?
20
1
infinite
automatic
Refer to the exhibit.
An engineer is troubleshooting an OSPF issue. Router 1 has a neighbor relationship with router 2. Only router 1 classful EIGRP routes can be seen on router 2. In order for all EIGRP routes to be redistributed correctly, which action should be taken?
Router 1 must have the keyword subnets included in the redistribution command for all EIGRP routes to be redistributed.
Router 1 must remove the AS number 1 from the redistribution command for all EIGRP routes to be redistributed.
Router 1 must have the keyword ospf-metric included in the redistribution command for all EIGRP routes to be redistributed.
Router 1 must have the keyword metric-type 1 included in the redistribution command for all EIGRP routes to be redistributed.
Refer to the exhibit.
A network operator must inject a Level 1 route from XR2 (10.16.16.0/24) into the ISIS topology. Which configuration allows the injection in a way that XR3 and XR1 have a valid and working route for 10.16.16.0/24?
Option A
Option B
Option C
Option D
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.
Refer to the exhibit.
Router 1 has attempted to establish a Cisco MPLS TE tunnel to router 2, but the tunnel has failed. Which statement about this configuration is true?
Router 1 must define an explicit path to router 2
Router 1 and router 2 must define the RSVP bandwidth reserved on the physical interfaces
Router 2 must have a tunnel interface created with router 1 as the destination
Router 1 must have Cisco MPLS TE enabled on interface gigabitethernet0/1
Refer to the exhibit
Which router does R1 install as an alternate next hop when trying to reach R3 if LFA is enabled?
R5
R3
R4
R2
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