Cisco 300-510 Practice Test - Questions Answers, Page 3
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An engineer is troubleshooting a connectivity issue across the MPLS network and is verifying the forwarding behavior of packets. Which table does the engineer look at to verify the forwarding behavior of an IP packet as it enters the MPLS network at the ingress LSR?
LFIB
LIB
RIB
FIB
You have configured MSDP peering between two autonomous systems that pass traffic between two sites, but the peering has failed to come up.
Which task do you perform to begin troubleshooting the problem?
Verify that multicast has been disabled globally
Verify that PIM-DM is configured on the source interface
Verify that both source interfaces are reachable from both peers
Verify that the two MSDP peers allow asymmetric routing
Refer to the exhibit.
Why is neighbor 10.1.5.5 stuck in “2WAY” state?
Router ID 10.1.5.5 is not reachable from R2
OSPF authentication has failed between R2 and 10.1.5.5
It is an expected behavior when OSPF network type is broadcast
OSPF parameters (Area ID or hello interval) are mismatched between R2 and 10.1.5.5
For which reason do you deploy BGP confederations within a BGP transit backbone?
to support a larger number of eBGP peer sessions
to increase the number of routes that can be redistributed between the running IGP and BGP
to reduce the number of eBGP routes that must be shared between autonomous systems
to reduce the number of iBGP peering sessions
Which feature is used in multicast routing to prevent loops?
STP
inverse ARP
RPF
split horizon
Refer to the exhibit.
How are packets directed through the data plane when SRv6 is implemented?
An ordered list of segments is encoded in a routing extension header
The MPLS data plane is used to push labels onto IGP routes
A stack of labels represents an ordered list of segments
The packet is encapsulated with a header and trailer encoding the ordered list of segments
Refer to the exhibit.
An engineer is addressing an IS-IS design issue which is running within the topology. All links are running on FastEthernet, except the link between R5 and R4, which is Gigabit Ethernet.
Which statement about the design is true?
R4 prefer to reach R5 using R1 as the next hop
All links have equal cost if the default metric is used
R5 prefers to use R4 as the next hop for all routes
R1 prefer to use R5 as the next hop to reach R4
Refer to the exhibit.
A service provider technician is working on a multicast issue for a customer. While checking the multicast table, the technician notices that no flags are present for the (1.1.1.1, 239.1.1.1) entry, yet flags are present for the (1.1.1.1, 232.1.1.1) entry.
Which factor might explain this issue?
Only the administratively scoped range is permitted
Only ASM is permitted
Only the default SSM range is permitted
Only GLOP is permitted
After you change the IP address on an IOS XR router, you cannot ping the new address.
Which step did you forget to complete?
commit the configuration
roll back the configuration
merge the configuration
save the running configuration
Which two statements about route reflectors are true? (Choose two.)
Routes received from nonclient peers are reflected to route reflector clients as well as nonclient peers.
Routes received from nonclient peers are reflected to route reflector cluster as well as OSPF peers.
If a router received an iBGP route with the originator-ID attribute set to its own router ID, the route is discarded.
Routes received from a route reflector client is reflected to other clients and nonclient peers.
If a route reflector receives a route with a cluster-list attribute containing a different cluster ID, the route is discarded.
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