Jul-2023 300-510 Study Material, Preparation Guide and PDF Download
Free 300-510 Certification Sample Questions with Online Practice Test
The Cisco 300-510 exam is a certification exam that is intended for professionals who are interested in demonstrating their level of knowledge and expertise in implementing Cisco Service Provider Advanced Routing Solutions. This exam is designed to assess the ability of candidates to configure, troubleshoot, and optimize service provider network infrastructures. It is also meant to validate the skills of candidates in implementing Layer 3 services and technologies, such as VPN services, MPLS, BGP, and OSPF.
The Cisco 300-510 certification exam is an advanced-level exam that is designed for IT professionals who want to further their knowledge and skills in the field of service provider routing solutions. The exam is intended to validate an individual's ability to implement and manage complex routing solutions using Cisco technologies. Passing this exam demonstrates a candidate's expertise in designing, implementing, and troubleshooting service provider routing solutions.
NEW QUESTION # 106
Refer to the exhibit.
A network engineer has divided AS into confederations. Due to repeated ASN, when the 10.0 0.0/8 prefix from R1 arrives to R2, BGP automatically rejects it. What should the engineer do to fix the problem so that BGP allows that prefix on R2?
- A. Configure the command allowas-in on R2.
- B. Configure the command as-override on R1.
- C. Configure the command as-override on R2.
- D. Configure the command allowas-in on all the PE routers.
Answer: A
NEW QUESTION # 107
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. Issue the show ip bgp neighbors command.
- B. Reload the router
- C. Issue the clear ip bgp * command
- D. Verity that BGP route dampening is configured
- E. Reduce BGP convergence time
Answer: B,C
NEW QUESTION # 108
Refer to the exhibit.
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 D
- C. Option B
- D. Option C
Answer: C
NEW QUESTION # 109 
Refer to the exhibit. Which statement about this configuration is true?
- A. Router 1 receives only the best path from neighbor 192.168.1.1
- B. Router 1 receives up to two paths from neighbor 192.168.1.1 for all routes in the same AS
- C. Router 1 sends up to two 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
Answer: D
Explanation:
Explanation
NEW QUESTION # 110
Refer to the exhibit. An engineer is troubleshooting IS-IS configuration between two areas. IS-IS Area-A network 30.1.1.0/24 is leaked into IS-IS Area-B. R2 is failing to filter the route updates from network 10.1.1.0/24. Which configuration must the engineer apply to resolve the issue?
- A. R1(config)# ip prefix-list List2 seq 5 deny 10.1.1.0/24
R1(config)# interface fastethernet 0/0
R1(config-if)# ip router isis 100
R1(config-if)# router isis 100
R1(config-router)# distribute-list gateway List2 in
R (config-if)# router isis 150
R1(config-router)# distribute-list route-map Map1 in - B. R2(config)# ip prefix-list List1 seq 3 deny 10.1.1.0/24
R2(config)# ip prefix-list List1 seq 5 permit 30.1.1.0/24 ge 25 1e
R2(config)# ip prefix-list List1 seq 10 permit 0.0.0.0/le 32
R2(config)# interface fastethernet 0/0
R2(config-if)# ip router isis 122
R2(config-if)# router isis 122
R2(config-router)# distribute-list prefix List1 in - C. R2(config)# access-list 101 deny ip any 10.1.1.0 0.0.0.127
R2(config)# access-list 101 permit ip any 30.1.1.0 0.0.0.63
R2(config)# access-list 101 deny ip any 0.0.0.0 0.0.0.0
R2(config)# interface fastethernet 0/0
R2(config-if)# ip router isis 121
R2(config-if)# router isis 121
R2(config-router)# distribute-list 101 in - D. R2(config)# ip prefix-list List2 seq 5 deny 10.1.1.0/24
R2(config)# interface fastethernet 0/0
R2(config-if)# ip router isis 100
R2(config-if)# router isis 100
R2(config-router)# distribute-list gateway List2 in
Answer: A
Explanation:
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/iproute_isis/configuration/15-mt/irs-15-mt- book/isis-inbound-filtering.html
NEW QUESTION # 111
For which reason can two devices fail to establish an OSPF neighbor relationship?
- A. The two devices have different router IDs
- B. The two devices have different network types
- C. The two devices have the same area ID
- D. The two devices have different process IDs
Answer: B
Explanation:
Reference:
https://www.cisco.com/c/en/us/support/docs/ip/open-shortest-path-first-ospf/13699-29.html
NEW QUESTION # 112 
Refer to the exhibit. R1 is directly connected to R2 and R3. R1 is in BGP AS 123, R2 is in BGP AS 2, and R3 is in BGP AS 3. Assume that there is no connectivity issue between R1, R2 and R1, R3. Which result between BGP peers R1, R2 and R1, R3 is true?
- A. The BGP session comes up between R1 and R2 and between R1 and R3.
- B. The BGP session does not come up between R1 and R2 and between R1 and R3.
- C. The BGP session comes up between R1 and R3, but not between R1 and R2.
- D. The BGP session comes up between R1 and R2, but not between R1 and R3.
Answer: A
NEW QUESTION # 113
Refer to the exhibit.
Refer to the exhibit. MPLS traffic from 192.168.4.0/24 to 192.168.5.0/24 is failing to pass over the link from R4 to R2. The engineer verified that:
Cisco Express Forwarding Is enabled on all routers.
All routers reach all networks via OSPF.
MPLS traffic from 192.168.1.0/24 to 192.168.3.0/24 is passing normally over the link from R1 to R2.
Which action resolves the issue?
- A. On router R4, remove the mpls ip command on the s/O/O/2 interface.
- B. On router R2, configure the mpls label protocol Idp command on the interface.
- C. On router R2, configure the mpls ip command on the SIO/O/4 interface.
- D. On router R4, configure the mpls label protocol Idp command on all serial interfaces.
Answer: C
NEW QUESTION # 114
Which command is used to enable BIDIR-PIM under global configuration mode for Cisco IOS XE Sofware?
- A. ip multicast-routing
- B. ipv4 pim bidir-enable
- C. ip pim bidir
- D. ip pim bidir-enable
Answer: D
NEW QUESTION # 115
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. weight
- C. local preference
- D. origin
Answer: A
NEW QUESTION # 116
A network engineer is troubleshooting OSPF multiare A. Which Cisco IOS XR feature should the engineer use in order to streamline OSPF issue?
- A. routing process enabled by default on all interfaces
- B. show ip ospf topology command
- C. DR support for topology management
- D. hierarchical CLI
Answer: D
Explanation:
OSPF Hierarchical CLI and CLI Inheritance
Hierarchical CLI is the grouping of related network component information at defined hierarchical levels such as at the router, area, and interface levels. Hierarchical CLI allows for easier configuration, maintenance, and troubleshooting of OSPF configurations. When configuration commands are displayed together in their hierarchical context, visual inspections are simplified. Hierarchical CLI is intrinsic for CLI inheritance to be supported.
With CLI inheritance support, you need not explicitly configure a parameter for an area or interface. In the software, the parameters of interfaces in the same area can be exclusively configured with a single command, or parameter values can be inherited from a higher hierarchical level-such as from the area configuration level or the router ospf configuration levels.
More information: https://www.cisco.com/c/en/us/td/docs/iosxr/ncs5500/routing/71x/b-routing-cg-ncs5500-71x/b-routing-cg-ncs5500-71x_chapter_011.html#con_1059437 Reference:
guide/rc40xr12k_chapter4.html#con_1059437
NEW QUESTION # 117
An engineer warns to map a multicast IP address to a multicast MAC How many bits are used to make the conversion?
- A. low order 23 bits
- B. higher-order 23 bits
- C. high-order 24 bits
- D. lower-order 24 bits
Answer: A
NEW QUESTION # 118
Which difference must an engineer consider when choosing whether to implement OSPF or IS-IS as the routing protocol on the network?
- A. To support fast convergence, OSPF uses the LSA arrival timer and IS-IS uses the PRC-interval timer.
- B. The OSPF DR election process is deterministic, and the IS-IS DS election process is not deterministic.
- C. IS-IS supports ordinary, stub, totally-stub, and NSSA areas, but OSPF supports only stub areas.
- D. IS-IS links are associated with either a Level 1 area or a Level 2 area at one time, but OSPF links are associated with multiple areas at one time.
Answer: A
Explanation:
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/iproute_isis/configuration/15-s/irs-15-s- book/irs-fscnt.html
NEW QUESTION # 119
Refer to the exhibit. A customer reports that Host-1 is failing to receive streaming traffic from the IPTV source. The engineer has confirmed that hosts on router R2 are receiving traffic normally and that Host-1 is correctly sending subscription messages to join the IPTV stream.
Which action must the engineer take to correct the problem?
- A. Remove IP PIM SSM and IGMP from interface GigaEthernet 1/0/1 on R3 and configure under global configuration
- B. Configure IGMP version 3 under interface GigabitEthernet 1/(V1 on R3
- C. Configure IP PIM SSM and IGMP version 2 under interface GigatxtEthernet 1/0/1 on R3
- D. Remove IP PIM SSM from the global configuration on R3 and configure it under the GigabitEthernet
1/0/1 interface
Answer: B
NEW QUESTION # 120
Refer to the exhibit.
Which task must you perform on interface g1/0/0 to complete the SSM implementation?
- A. configure OSPFv3
- B. disable IGMP
- C. enable CDP
- D. configure IGMPv3
Answer: D
NEW QUESTION # 121 
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. Remove the send and accept lifetime under key 1
- B. Change MD5 to HMAC-SHA1-12
- C. Change MD5 to SHA-1
- D. Change MD5 to HMAC-MD5
- E. Change MD5 to HMAC-ESP
Answer: B,D
Explanation:
Explanation/Reference: https://www.cisco.com/c/en/us/td/docs/routers/crs/software/crs_r4-0/security/configuration/guide/ sc40crsbook_chapter5.html
NEW QUESTION # 122
Refer to the exhibit. R1 is expected to receive routes originating from AS 65516 and from any ASs that are directly attached to it. However, R1 is receiving routes only from AS 65516. Which action corrects the configuration?
- A. Change the regular expression in the AS-path permit filter to _65516_.
- B. Add the regular expression ^$. in the AS-path filter to permit the traffic from R2.
- C. Change the regular expression in the AS-path permit filter to ^65516_[0-9]*$.
- D. Change the regular expression in the AS-path permit filter to .*.
Answer: C
NEW QUESTION # 123
A network engineer is troubleshooting OSPF multiarea. Which Cisco IOS XR feature should the engineer use in order to streamline OSPF issue?
- A. routing process enabled by default on all interfaces
- B. show ip ospf topology command
- C. DR support for topology management
- D. hierarchical CLI
Answer: D
Explanation:
Explanation/Reference: https://www.cisco.com/c/en/us/td/docs/routers/xr12000/software/xr12k_r4-0/routing/configuration/ guide/rc40xr12k_chapter4.html#con_1059437
NEW QUESTION # 124
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