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| From | Number of exam questions | Associated certifications | Update time | Online Download |
| Lead4Pass | 15 | CCNA, CCNP Security, CCNP Service Provider … | June 2023 | 300-510 PDF |
New Question 1:
Which type of BGP attribute does a route reflector attach to routes learned from iBGP peers that allows them to be accepted by other iBGP peers, thereby eliminating the need for a full-mesh BGP topology?
A. well-known mandatory
B. optional transitive
C. well-known discretionary
D. optional nontransitive
Correct Answer: D
New Question 2:
Refer to the exhibit.
CE1 and CE2 are iBGP neighbors in AS 65516. All traffic that exits AS 65516 must use the link from CE1 to PE1. CE1 is advertising a higher local preference to CE2, but traffic from CE2 still prefers the PE2 link. Which action corrects the problem?
A. Add the lower local-preference value on PE2 towards CE2.
B. Configure CE1 to send routes to CE2 with a higher MED.
C. Configure CE1 to send routes to CE2 with a higher weight.
D. Add the next-hop self command to the CE1 neighbor statement for CE2.
Correct Answer: A
Reference: https://www.cisco.com/c/en/us/support/docs/ip/border-gateway-protocol-bgp/13753-25.html
New Question 3:
Which statement about BFD on Cisco IOS XR Software is true?
A. Cisco IOS XR router must use LDP to route back to the Cisco IOS router to establish the peer relationship.
B. Cisco IOS XR Software does not support BFD multihop for IPv4.
C. Cisco IOS XR router must use dynamic routing or a static route back to the Cisco IOS router to establish the peer relationship.
D. BFD is not compatible between Cisco IOS XR and Cisco IOS Software.
Correct Answer: C
A router running BFD in Cisco IOS software can designate a router running BFD in Cisco IOS XR software as its peer using the bfd neighbor command; the Cisco IOS XR router must use dynamic routing or a static route back to the Cisco IOS router to establish the peer relationship.
Reference: https://www.cisco.com/c/en/us/td/docs/routers/asr9000/software/asr9k-r6-3/routing/configuration/guide/b-routing-cg-asr9000-63x/b-routing-cg-asr9000-63x_chapter_0100.html https://www.cisco.com/c/en/us/td/docs/routers/crs/software/crs_r6-1/routing/configuration/guide/b-routing-cg-crs-61x/b-routing-cg-crs-61x_chapter_0100.html
New Question 4:
Refer to the exhibit.
An administrator is troubleshooting Internet access issues on a customer\’s network. After applying this ISIS configuration to R1, the administrator notices that it fails to redistribute the default route into IS-IS. After checking the connectivity between the ISIS router and the ISP router the engineer confirmed there is Layer 3 connectivity between them. Which action should be taken to correct the problem?
A. Configure R1 as a Layer 1 router
B. Add the default-information originate command to the configuration
C. onfigure the default route under any routing protocol other than IS-IS
D. Associate the default route with a VRF
Correct Answer: B
New Question 5:
CORRECT TEXT
Guidelines
This is a lab item in which tasks will be performed on virtual devices.
Refer to the Tasks tab to view the tasks for this lab item.
Refer to the Topology tab to access the device console(s) and perform the tasks.
Console access is available for all required devices by clicking the device icon or using the tab(s) above the console window.
All necessary preconfigurations have been applied.
Do not change the enable password or hostname for any device.
Save your configurations to NVRAM before moving to the next item.
Click Next at the bottom of the screen to submit this lab and move to the next question.
When Next is clicked, the lab doses and cannot be reopened.
Topology
Tasks
Configure and verify an OSPF neighbor adjacency between R1 and R2 in OSPF area 0 according to the topology to achieve these goals:
1.
R1 pings the Loopback0 interface of R2. Use interface-level configuration to complete this task.
2.
R2 pings the Loopback0 interface of R1. Use interface-level configuration to complete this task.
A. Check the answer in the explanation
B. Placeholder
C. Placeholder
D. Placeholder
Correct Answer: A
3.
R2 receives a single summary route 172.16.100.0/22 for networks 172.16.100.0/24, 172.16.101.0/24, and 172.16.103.0/24.
New Question 6:
Refer to the exhibit.
An engineer working for a private telecommunication company with an employee id 4115 46 881 is enabling a segment routing solution with these requirements. A service provider is using the default range for prefix SID. PE1 must allocate the first SID from the default range for the loopback address PE1 and PE2 loopback SID allocation should have a minimum difference of 500.
Which configuration must be implemented to meet the requirements?
A. Option A
B. Option B
C. Option C
D. Option D
Correct Answer: B
New Question 7:
Assume that the R1 router is enabled for PIM-SM and receives a multicast packet sourced from 172.16.1.100, and the R1 router has multicast receivers on the Gi0/1, Gi0/2, Gi0/3 and Gi0/4 interfaces.
The multicast packet from the 172.16.1.100 source must arrive on which interface on the R1 router for it to be forwarded out the other interfaces?
A. Gi0/1
B. Gi0/2
C. Gi0/3
D. Gi0/4
E. Gi0/1 or Gi0/2 or Gi0/3 or Gi0/4
F. Gi0/2 or Gi0/3
G. Gi0/1 or Gi0/4
Correct Answer: A
New Question 8:
What must occur before an (S,G) entry can be populated in the multicast routing table?
A. The (*,G) entry must have timed out
B. The (*,G) entry OIL must be null
C. The router must be directly connected to the multicast source
D. The parent (*,G) entry must be created first
Correct Answer: D
New Question 9:
Refer to the exhibit.
Users at the branch office on R1 reported issue with an application at the home office on R4. While troubleshooting the issue, a network engineer determined that
The branch-office users can connect to the home office.
The IS-IS adjacencies between R1 and R2 and R1 and the branch office are up.
Traffic from R1 to the R2 10.20.1.0/24 network is moving normally.
The application at the home office is experiencing packet drops on the connection to the Branch, and R3 cannot reach the R1 172.16.10.0/24 network.
Which action resolves the issues?
A. Redistribute static connected routes in IS-IS on router RI.
B. Configure the IS-IS core instance on the RI GigabitEthernet0/3 interface.
C. Redistribute static connected routes in IS-IS on router R4.
D. Configure the IS-IS core instance on the R2 GigabitEthernet0/1 interface.
Correct Answer: B
New Question 10:
Refer to the exhibit
An engineer is configuring service traffic from router R1 to R6 as shown. Which additional configuration must the engineer implement so that the LDP and SR domains will participate and interwork with each other?
A. Router2(config)# segment-routing Router2(config-sr)# ldp mapping-server Router2(config-sr-ms)# prefix-sid-map Router2(config-sr-ms-map)# Router2(config-sr-ms-map-af)# 2.2.2.2/32 500 range 4
B. Router2(config)# segment-routing Router2(config-sr)# sr mapping-server Router2(config-sr-ms)# ldp-sid-map Router2(config-sr-ms-map)# address-family ipv4 Router2(config-sr-ms-map-af)# 10.1.1.1/32 500 range 50
C. Router2(config)# segment-routing Router2(config-sr)# mapping-server Router2(config-sr-ms)# prefix-sid-map Router2(config-sr-ms-map)# address-family ipv4 Router2(config-sr-ms-map-af)# 10.1.1.1/32 500 range 50
D. Router2(config)# segment-routing Router2(config-sr)# ldp mapping-server Router2(config-sr-ms)# prefix-sid-map Router2(config-sr-ms-map)# address-family ipv4 Router2(config-sr-ms-map-af)# 2.2.2.2/32 500 range 40
Correct Answer: C
New Question 11:
Refer to the exhibit.
All routers on this network have been configured with PIM-SM, and R1 is the rendezvous point. However, when asymmetric routing is implemented to modify link usage, the network begins to drop certain multicast traffic. Which action corrects the problem?
A. Place the routes affected by asymmetric routing in a VRF
B. Remove the asymmetric routing and use spanning tree to manage link usage
C. Add a static mroute for routes that are failing
D. Configure the routers to use PIM-DM instead of PIM-SM
Correct Answer: C
New Question 12:
Refer to the exhibit.
An engineer working for a private telecommunication company with an employee id: 1234:09:567 implemented this configuration on Router1, what is the effect of it?
A. Router 1 receives only one best path from neighbor 192.168.1.1
B. Router 1 sends only one best path to neighbor 192.168.1.1
C. Router 1 sends up to three paths to neighbor 192.168.1.1 for all routes
D. Router 1 sends and receives multiple best paths from neighbor 192.168.1.1
Correct Answer: D
New Question 13:
Refer to the exhibit
The branch office in area 10 is connected to HQ via Frame Relay uplinks with bandwidth constraints After a recent implementation of QoS on the R2 and R3 networks the system has been logging %SYS-2-MALLOCFAIL: Memory allocation of 65536 bytes failed from 0x224E321, alignment 0 messages To reduce traffic load and memory utilization on R2 and R3 the network engineer configured R1 to announce only one user subnet per location by issuing the summary address 192.168.0.0 255.255.248.0 command en R1 However, the
engineer noticed that router R2 still has two routes and a summary address from HQ and R3 also has two routes from HQ Which two actions must the engineer take on R1 to fix the issue so that only one route is announced\’ (Choose two.)
A. Configure the subnet range with the network command under the IS-IS process.
B. Configure RI as a Level 1 device.
C. Redistribute both routes into the ISIS process.
D. Configure a summary route for Level 1-Level 2 devices.
E. Configure a summary route for Level 1 devices.
Correct Answer: DE
New Question 14:
Refer to the exhibit.
R21 is a multicast source sending multicast traffic 224.1.1.1 to R23, with RP22 serving as the rendezvous point inside AS65222.
A network engineer noticed that when R21 goes down, R12 in AS65111 starts to send the same multicast group 224.1.1.1 through RP11.
Which action resolves the issue ?
A. Block service groups 224.0.1.39 and 224.0.1.40 between the two autonomous systems
B. Disable PIM parse mode between RP11 and RP22 in the two autonomous systems.
C. Advertise RP2 with a high local preference in AS65222.
D. Enable passive intertaoe under EIGRP between the two autonomous systems.
Correct Answer: A
New Question 15:
While configuring Cisco NSF awareness, a network engineer enters the bgp graceful-restart command after the BGP session is established in a router that runs IOS XE Software. Graceful restart capabilities are not exchanged. Which two actions should be taken? (Choose two.)
A. Reload the router
B. Verify that BGP route dampening is configured
C. Reduce BGP convergence time
D. Issue the clear ip bgp * command
E. Issue the show ip bgp neighbors command.
Correct Answer: AD
…
| Number of exam questions | Update time |
| 15 | Aug 2022 |
Question 1:
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.
Select and Place:
Correct Answer:
Question 2:
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:
Correct Answer:
Question 3:
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:
Correct Answer:
Question 4:
DRAG DROP
Drag the IPv6 tunneling mechanisms on the left to match the correct manual or aotomatic tunneling catagory on the right.
Select and Place:
Correct Answer:
Question 5:
DRAG DROP
Drag and drop the features from the left into the order of operations for SRv6 SRH field creation and forwarding on the right.
Select and Place:
Correct Answer:
First – next header Second – routing type Third – segments left Fourth – last entry Fifth – segment list sixth – packet is forwarded
Question 6:
Refer to the exhibit. Which tree does multicast traffic follow?
A. shared tree
B. MDT default
C. source tree
D. MDT voice
Correct Answer: B
Question 7:
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
Correct Answer: A
Question 8:
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
Correct Answer: A
Question 9:
Refer to the exhibit. A network operator is getting the route for 10.11.11 0/24 from two upstream providers on #XR3. The network operator must configure #XR3 to force the 10.11.11.0/24 prefix to route via next hop of 10.0.0.9 as primary when available.
Which of these can the operator use the routing policy language for, to enforce this traffic forwarding path?
A. weight of 0 on the prefix coming from 192.168.0.2
B. lower local preference on the prefix coming from 192.168.0.2
C. higher local preference on the prefix coming from 192.168.0.1
D. weight of 100 on the prefix coming from 192.168.0.1
Correct Answer: A
Question 10:
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
Correct Answer: A
Question 11:
A network consultant is troubleshooting IS-IS instances to identify why a routing domain is having communication problems between the two instances. Which description of the possible cause of issues in the routing domain is true?
A. The same interface cannot be advertised in two different IS-IS instances
B. The IS-IS “ISP” and “ISP2” instances are unrelated and unable to intercommunicate
C. The configured IS-IS NSEL value is not allowing the routing systems to establish a neighborship
D. The interface mode ip router is-is command was not included in the script
Correct Answer: A
Question 12:
What is used by SR-TE to steer traffic through the network?
A. shortest path calculated by IGP
B. dynamic rules
C. path policy
D. explicit maps
Correct Answer: C
Question 13:
For which reason can two devices fail to establish an OSPF neighbor relationship?
A. The two devices have different process IDs
B. The two devices have different network types
C. The two devices have different router IDs
D. The two devices have the same area ID
Correct Answer: B
Question 14:
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
Correct Answer: C
Question 15:
Which statement about enabling segment routing for IGPs is true?
A. Segment routing must first be enabled under the 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
Correct Answer: B
…
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