NEW QUESTION 1

Refer to the exhibit. CE1 is the gateway router into the provider network via PE1. A network operator must inject a default route into OSPF area 0. All devices inside area 0 must be able to reach PE1. Which configuration achieves this goal?

• A. B.

Answer: B

NEW QUESTION 2
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 3
What can be used to determine a path from the head-end to a tail-end router when implementing SR-TE with a head-end, with little information on the network topology?

• A. traffic controller
• B. path computation engine
• C. tail-end router
• D. SNMP server

Answer: B

NEW QUESTION 4
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 5

Refer to the exhibit. A network operator is working to filter routes from being advertised that are covered under an aggregate announcement. The receiving router of the aggregate announcement block is still getting some of the more specific routes plus the aggregate. Which configuration change ensures that only the aggregate is announced now and in the future if other networks are to be added?

• A. Configure the summary-only keyword on the aggregate command
• B. Set each specific route in the AGGRO policy to drop instead of suppress-route
• C. Filter the routes on the receiving router
• D. Set each specific route in the AGGRO policy to remove instead of suppress-route

Answer: A

NEW QUESTION 6
In a PIM-SM environment, which mechanism determines the traffic that a receiver receives?

• A. The receiver explicitly requests its desired traffic from the RP on the shared tree.
• B. The receiver explicitly requests traffic from a single source, which responds by forwarding all traffic.
• C. The RP on the shared tree floods traffic out of all PIM configured interfaces.
• D. The receiver explicitly requests traffic from each desired source, which responds by sending all traffic.

Answer: D

NEW QUESTION 7
Which feature is used in multicast routing to prevent loops?

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

Answer: C

NEW QUESTION 8
Refer to the exhibit. Routers R1 and R2 cannot form a neighbor relationship, but the network is otherwise configured correctly and operating normally. Which two statements describe the problem? (Choose two.)

• A. The two routers are in the same area
• B. The two routers are in different subnets
• C. The two routers have password mismatch issues
• D. The two routers have the same network ID
• E. The two routers are in different areas

Answer: BE

NEW QUESTION 9
DRAG DROP
An engineer is troubleshooting end-to-end customer traffic across an MPLS VPN service provider network. Which tasks should the engineer use to solve the routing issues? Drag and drop the table types from the left onto the most useful troubleshooting tasks/router types on the right. (Not all options are used.)
Select and Place:

• A. Mastered
• B. Not Mastered

Answer: A

NEW QUESTION 10
After you change the IP address on an IOS XR router, you cannot ping the new address.
Which step did you forget to complete?

• A. commit the configuration
• B. roll back the configuration
• C. merge the configuration
• D. save the running configuration

Answer: A

NEW QUESTION 11
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 12
Which two statements about route reflectors are true? (Choose two.)

• A. Routes received from nonclient peers are reflected to route reflector clients as well as nonclient peers.
• B. Routes received from nonclient peers are reflected to route reflector cluster as well as OSPF peers.
• C. If a router received an iBGP route with the originator-ID attribute set to its own router ID, the route is discarded.
• D. Routes received from a route reflector client is reflected to other clients and nonclient peers.
• E. If a route reflector receives a route with a cluster-list attribute containing a different cluster ID, the route is discarded.

Answer: CD

NEW QUESTION 13

Refer to the exhibit. After troubleshooting an OSPF adjacency issue, routers 1, 2, and 3 have formed OSPF neighbor relationships. Which statement about the configuration is true?

• A. Router 2 receives a Type 5 LSAs from router 1 for its connected subnets
• B. Router 2 uses router 3 as the next hop for 192.168.0.0/24
• C. Router 2 uses router 1 as the next hop for 192.168.0.0/24
• D. Router 2 receives a Type 7 LSAs from router 3 for its connected subnets

Answer: A

NEW QUESTION 14
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 15

Refer to the exhibit. A network operator wants to expand the segment routing global block in upcoming maintenance. The operator must ensure that the changes to the segment routing global block have no adverse impacts on the prefix-sid associated with the loopback0 interface used within the OSPF domain. Which command can the operator use to enforce R2 to have a strict prefix-sid assignment to loopback0? A.

• A. A.B.
• B.
• C.

Answer: C

NEW QUESTION 16
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 17

Refer to the exhibit. After you applied these configurations to routers R1 and R2, the two devices could not form a neighbor relationship. Which reason for the problem is the most likely?

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

Answer: C

NEW QUESTION 18
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 19
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 20

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.

Answer: A

NEW QUESTION 21
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 22

Refer to the exhibit. Which statement about this configuration is true?

• A. Router 1 sends and receives multiple best paths from neighbor 192.168.1.1
• B. Router 1 sends up to two paths to neighbor 192.168.1.1 for all routes
• C. Router 1 receives up to two paths from neighbor 192.168.1.1 for all routes in the same AS
• D. Router 1 receives only the best path from neighbor 192.168.1.1

Answer: A

NEW QUESTION 23
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 24

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 25

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?

• A. R4 prefer to reach R5 using R1 as the next hop
• B. All links have equal cost if the default metric is used
• C. R5 prefers to use R4 as the next hop for all routes
• D. R1 prefer to use R5 as the next hop to reach R4

Answer: B

NEW QUESTION 26
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