What Accurate 300-510 Study Guides Is

NEW QUESTION 1
Which statement about enabling segment routing for IGPs is true?

• A. Segment routing must first be enabled under then routing process and then globally
• B. Segment routing must first be enabled globally and then under the routing process
• C. Segment routing can be enabled only under the routing process
• D. Segment routing can be enabled only globally

Answer: B

NEW QUESTION 2

Refer to the exhibit. P1 and PE3 Cisco IOS XR routers are directly connected and have this configuration applied. The BGP session is not coming up. Assume that there is no IP reachability problem and both routers can open tcp port 179 to each other. Which two actions fix the issue? (Choose two.)

• A. Change MD5 to HMAC-SHA1-12
• B. Change MD5 to HMAC-ESP
• C. Change MD5 to SHA-1
• D. Change MD5 to HMAC-MD5
• E. Remove the send and accept lifetime under key 1

Answer: AD

NEW QUESTION 3
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?

• A. LFIB
• B. LIB
• C. RIB
• D. FIB

Answer: A

NEW QUESTION 4
Which two conditions must be met before separate ISPs can provide interdomain multicast routing? (Choose two.)

• A. Each ISP must configure MSDP to connect its individual multicast administrative domain to the domains at other ISPs.
• B. Each ISP must dedicate a single router to handle multicast traffic between providers.
• C. Each ISP must replace its RP assignment with a global RP.
• D. Each ISP must configure its network to use PIM-DM.
• E. Each ISP must support intradomain multicast routing.

Answer: AE

NEW QUESTION 5
Refer to the exhibit. An engineer has successfully fixed BGP peering issue. R1 has an established eBGP peering with R2 and R3. Which mechanism should the engineer apply in order to steer the traffic correctly?

• A. The MED attribute can be applied on R2 to influence R1 to use it as the primary path.
• B. The local preference attribute can be applied on R3 to influence AS 65513 to use AS 65515 as the secondary path.
• C. The weight attribute can be applied on R2 to influence AS 65513 to use AS 65515 as the primary path.
• D. The IGP metric can be manipulated on R1 to allow traffic to be load balanced between R2 and R3.

Answer: D

NEW QUESTION 6
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

Answer: D

NEW QUESTION 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

Answer: C

NEW QUESTION 8
Refer to the exhibit. Which effect of this configuration is true?

• A. It sets the keepalive timer to 30 seconds and the hold timer to 240 seconds.
• B. It sets the keepalive timer to 30 milliseconds and the hold timer to 240 milliseconds
• C. It sets the hold timer to 30 milliseconds and the keepalive timer to 240 milliseconds
• D. It sets the hold timer to 30 seconds and the keepalive timer to 240 seconds

Answer: A

NEW QUESTION 9
Which two routing protocols have extensions capable of running SRv6? (Choose two.)

• A. OSPF
• B. BGP
• C. RIP
• D. IGRP
• E. EIGRP

Answer: AB

NEW QUESTION 10
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.

Answer: C

NEW QUESTION 11
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.)

• A. The routing policies affect BGP-related routes only.
• B. If you make edits to an existing routing policy without pasting the full policy into the CLI, the previous policy is overwritten.
• C. You can change an existing routing policy by editing individual statements.
• D. The routing policies are implemented in a sequential manner.
• E. The routing policies are implemented using route maps.

Answer: CD

NEW QUESTION 12

Refer to the exhibit. XR1 and XR2 are sending the prefix 10.11.11.0/24 to XR3. A configured policy on XR1 is incorrectly prepending AS path 11 11 12 12 onto this prefix. A network operator wants to add a policy onto XR3 that will not allow the falsely prepending prefix from being installed. Which policy configuration applied to the XR3 neighbor configuration for XR1 can accomplish this requirement without impact to other or future received routes?

• A.
• B. C.
• C.

Answer: D

NEW QUESTION 13

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?

• A. Only the administratively scoped range is permitted
• B. Only ASM is permitted
• C. Only the default SSM range is permitted
• D. Only GLOP is permitted

Answer: C

NEW QUESTION 14
Refer to the exhibit. Why is neighbor 10.1.5.5 stuck in “2WAY” state?

• A. Router ID 10.1.5.5 is not reachable from R2
• B. OSPF authentication has failed between R2 and 10.1.5.5
• C. It is an expected behavior when OSPF network type is broadcast
• D. OSPF parameters (Area ID or hello interval) are mismatched between R2 and 10.1.5.5

Answer: C

NEW QUESTION 15

Refer to the exhibit. Router 1 has established an SR-TE tunnel with router 2. Which statement describes this configuration?

• A. Router 1 has a list of labels used to explicitly lay out a path to router 2.
• B. Router 1 and router 2 have a bidirectional tunnel set up with dynamic path selection.
• C. Router 1 is the head-end tunnel and has dynamically chosen a path to router 2.
• D. Router 2 is the head-end tunnel and has explicitly set a path to router 1.

Answer: C

NEW QUESTION 16
DRAG DROP
Drag and drop the attributes for the BGP route selection on the left into the correct order on the right. Not all options are used.
Select and Place:

• A. Mastered
• B. Not Mastered

Answer: A

NEW QUESTION 17
Which task is performed when troubleshooting LDP?

• A. Execute the ping utility to generate information about the MAC addresses used along the path
• B. Verify that MPLS is disabled globally and enabled on the necessary interfaces in a per-interface basis
• C. Execute the traceroute utility to generate information about the labels used along the path
• D. Verify that Cisco Express Forwarding has been disabled on the network

Answer: C

NEW QUESTION 18
Refer to the exhibit. Which LSA type is indicated by this router output?

• A. type 3 LSA
• B. type 4 LSA
• C. type 1 LSA
• D. type 2 LSA

Answer: C

NEW QUESTION 19
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?

• A. Verify that multicast has been disabled globally
• B. Verify that PIM-DM is configured on the source interface
• C. Verify that both source interfaces are reachable from both peers
• D. Verify that the two MSDP peers allow asymmetric routing

Answer: C

NEW QUESTION 20
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

Answer: AD

NEW QUESTION 21
Refer to the exhibit. Which attribute can router 1 alter so that only other iBGP peers prefer to use 192.168.4.2 as the next hop for route 192.168.3.0/24?

• A. MED
• B. local preference
• C. origin
• D. weight

Answer: A

NEW QUESTION 22

Refer to the exhibit. A network engineer implemented this segment routing configuration. Which statement about the output is true?

• A. This range conflicts with the segment routing local block range.
• B. The device must be reloaded for these ranges to be allocated and used.
• C. The default segment routing global block range is being used on this device.
• D. A nondefault segment routing global block range is being used on this device.

Answer: D

NEW QUESTION 23
For which reason can two BGP peers fail to establish a neighbor relationship?

• A. Their BGP send-community strings are misconfigured
• B. Their BGP timers are mismatched
• C. Their remote-as numbers are misconfigured
• D. They are both activated under an IPv4 address family

Answer: C

NEW QUESTION 24
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