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300-510 Dumps Full Questions - Exam Study Guide
NEW QUESTION # 143
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 # 144
Which command is used to enable BIDIR-PIM under global configuration mode for Cisco IOS XE Software?
- A. ipv4 pim bidir-enable
- B. ip pim bidir ip
- C. Ip pim bidlr-enable
- D. multicast-routing
Answer: C
NEW QUESTION # 145
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.
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.
Answer:
Explanation:
ASee explanation below
NEW QUESTION # 146
Refer to the exhibit. An engineer working on a client's network is trying to solve the BGP community issue on R1 and R2 routers. After displaying the BGP entries, the engineer notices that both routers still have different outputs. Which action must the engineer perform to any of the routers to correct the problem and get the same output?
- A. Advertise the route to Router2 as extended community.
- B. Advertise the route to Router2 as standard community.
- C. Remove the lp bgp-community new-format command in Router1.
- D. Execute the lp bgp-community new-format command in Router1.
Answer: D
Explanation:
https://www.noction.com/blog/understanding-bgp-communities
NEW QUESTION # 147
Refer to the exhibit.
R2
Answer:
Explanation:
Solution:-
R1
Int loopback0
Ip ospf 10 area 0
Int loopback10
Ip ospf network point-to-point
Int loopback20
Ip ospf network point-to-point
Int loopback30
Ip ospf network point-to-point
Router ospf 10
Area 1 range 172.16.100.0 255.255.252.0
Copy run start
Verification: -
NEW QUESTION # 148
Refer to the exhibit.
Router 1 is connected to router 2 on interface TenGigE0/1. Which interface provides the alternate path to 172.16.200.9/32 when the link between router 1 and router 2 goes down?
- A. A primary path must be manually installed
- B. TenGigE0/1 interface provides the alternate path
- C. A backup path must be statically installed
- D. TenGigE0/2 interface provides the alternate path
Answer: D
NEW QUESTION # 149 
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 hold timer to 30 seconds and the keepalive timer to 240 seconds
- C. It sets the keepalive timer to 30 milliseconds and the hold timer to 240 milliseconds
- D. It sets the hold timer to 30 milliseconds and the keepalive timer to 240 milliseconds
Answer: A
Explanation:
Explanation
Explanation/Reference: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/iproute_bgp/command/irg-cr-book/bgp-s1.html#wp1552800140
NEW QUESTION # 150
Drag and drop the features about multicast from the left onto the multicast protocols on the right. Not all options ate used.
Answer:
Explanation:
NEW QUESTION # 151
After an engineer configures BGP in R1, it starts receiving this message
*Jun 29 13:30:50.122: %BGP-5-ADJCHANGE: neighbor 192.168.10.1 Down User reset Jun 29 13:30:52.341: %BGP-3-NOTIFICATION: sent to neighbor 192.168.10.1
2/6 (unacceptable hold time) 0 bytes
Which action makes the peering come back up again?
- A. Set up a hold-down timer higher.
- B. Make a soft reset to the peer.
- C. Set up a minimum hold-down timer higher.
- D. Set up a hello timer higher.
Answer: C
NEW QUESTION # 152
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 have the same area ID.
- B. The two routers have the same network ID.
- C. The two routers have different IS-types.
- D. The two routers cannot authenticate with one another.
Answer: B
Explanation:
For those asking about the password, area authentication doesn't prevent neighboring to come up because it is carried only in LSP, CSNP and PSNP messages and not in IIH messages.
https://www.cisco.com/c/en/us/support/docs/ip/integrated-intermediate-system-to-intermediate- system-is-is/13792-isis-authent.html
NEW QUESTION # 153
Refer to the exhibit. An engineer is troubleshooting a network routing issue on this IS-IS network situated at the customer's regional hub. Router 2 that runs Cisco IOS XR Software cannot see the network 10.1.1.0/24 on router 1. The Layer 2 encapsulations are correct. The ARP connectivity for the Ethernet interface that runs IS-IS is working.
Which action resolves the issue?
- A. Under the router isis command on router 2. Change is-type level-1 to is-type level-2.
- B. Under the router isis command on router 1. Change is-type level-1 to is-type level-2.
- C. On router 1, add the CISCOLIVE keyword after the IP router isis command under interface GigabitEthernet0/3.
- D. On router 1, remove the CISCOLIVE keyword after the IP router Isis command under interface GigabitEthernet0/2.
Answer: C
NEW QUESTION # 154
For which reason can two BGP peers fail to establish a neighbor relationship?
- A. They are both activated under an IPv4 address family
- B. Their remote-as numbers are misconfigured
- C. Their BGP timers are mismatched
- D. Their BGP send-community strings are misconfigured
Answer: B
Explanation:
Explanation/Reference:
NEW QUESTION # 155
Refer to the exhibit.
Router 1 and Router2 have shared routes in the OSPF database but the routes are missing from their routing tables. Checking me prefix-list configuration on both routers, the engineer confirmed all networks are allowed What action should the engineer take to fa the problem?
- A. Configure interface Senal1/0 on Router1 as a point-to-point interface
- B. Configure the two routers with different hello and dead timer values
- C. Configure the two routers with different process IDs
- D. Switch the DR and BDR roles between the two routers
Answer: A
NEW QUESTION # 156
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. local preference
- B. origin
- C. weight
- D. MED
Answer: A
Explanation:
Weight is local to the router while LP allows routers in an AS with multiple exit points to choose which exit point is used to reach a particular NLRI.
NEW QUESTION # 157
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 weight attribute can be applied on R2 to influence AS 65513 to use AS 65515 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 IGP metric can be manipulated on R1 to allow traffic to be load balanced between R2 and R3.
- D. The MED attribute can be applied on R2 to influence R1 to use it as the primary path.
Answer: C
NEW QUESTION # 158
Refer to the exhibit.
A network engineer implemented this segment routing configuration. Which statement about the output is true?
- A. A nondefault segment routing global block range is being used on this device.
- B. The default segment routing global block range is being used on this device.
- C. This range conflicts with the segment routing local block range.
- D. The device must be reloaded for these ranges to be allocated and used.
Answer: A
NEW QUESTION # 159
Refer to the exhibit. Which LSA type is indicated by this router output?
- A. type 1 LSA
- B. type 2 LSA
- C. type 4 LSA
- D. type 3 LSA
Answer: A
NEW QUESTION # 160
Refer to the exhibit.
Refer to the exhibit. A network engineer is investigating a report of packet drops between the branch site and the central site.
The two sites are connected via OSPF and RSVP-TE tunnels.
Traffic from the central site to the branch site is passing normally.
Technicians at both sites successfully ping the loopback IP addresses on routers R1 and R2.
Which configuration corrects the packet-drop problem?
- A. Option D
- B. Option C
- C. Option B
- D. Option A
Answer: A
NEW QUESTION # 161
What is used by SR-TE to steer traffic through the network?
- A. path policy
- B. shortest path calculated by IGP
- C. explicit maps
- D. dynamic rules
Answer: A
Explanation:
Reference:
https://www.cisco.com/c/en/us/td/docs/routers/asr9000/software/segment-routing/configuration/guide/b-seg-routing-cg-asr9k/b-seg-routing-cg-asr9k_chapter_0100.html
NEW QUESTION # 162
Refer to the exhibit.
Refer to the exhibit. Multicast traffic destined from T1 and T2 routers to RP routers works well. A network engineer observes problems with multicast traffic flows between Site-A and Site-B. Site-A users fail to receive multicast stream on Site-B via RPTY site, while Site-B users fail to receive multicast stream on Site-Avia RPTZ site. Which action must be implemented to resolve the issues?
- A. Configure direct OSPF peering between Site-A and Ste-B
- B. Allow the OSPF and MSDP packets on the firewall.
- C. Establish MDSP peering with interface IP subnet.
- D. Configure Site-A and Site-B in 10.80.14804
Answer: B
NEW QUESTION # 163 
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 with a route reflector
- B. It must be configured with send labels
- C. It must be configured with PIC edge
- D. It must be configured for graceful restart
Answer: B
NEW QUESTION # 164
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 uses router 3 as the next hop for 192.168.0.0/24
- B. Router 2 uses router 1 as the next hop for 192.168.0.0/24
- C. Router 2 receives a Type 7 LSAs from router 3 for its connected subnets
- D. Router 2 receives a Type 5 LSAs from router 1 for its connected subnets
Answer: B
Explanation:
From IOS 15.1(2)S onwards, Cisco uses the OSPF path selection order is O > O IA > N1 > E1 > N2 > E2 https://www.cisco.com/c/en/us/support/docs/ip/open-shortest-path-first-ospf/212608-ospf-external-path-selection-external-t.html
NEW QUESTION # 165
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