300-515 Exam Questions
165 real 300-515 exam questions with expert-verified answers and explanations. Page 1 of 4.
- Question #1
Refer to the exhibit. The CE router has established a BGP peering with the PE router, and the CE will use the core infrastructure of the PE as a backbone carrier to support CSC. Wh...
- Question #2
Refer to the exhibit. Which statement describes the result of this configuration?
- Question #3
You are writing the requirements for an MPLS L3VPN environment that uses MP-BGP between PE routers. In this environment, route targets and route distinguishers need to be advertise...
- Question #4
Which is the primary function of a MPLS L3 VPN route target?
- Question #5
Which two statements about MPLS L3 VPN RDs are true? (Choose two.)
- Question #6
Which statement describes the no bgp default route-target filter command?
- Question #7
Refer to the exhibit. A customer carrier running MPLS VPN wants to utilize a backbone carrier to forward traffic and exchange VPNv4 prefixes between the two customer carrier networ...
- Question #8
Refer to the exhibit. What is the effect of this configuration?
- Question #9
Refer to the exhibit. Which statement about this command is true?
- Question #10
Refer to the exhibit. Which statement describes the result of this BGP configuration?
- Question #11
Refer to the exhibit. While provisioning a new BGP session between the PE and CE router, you issue the as-override command. Which statement describes modification of the prefix bef...
- Question #12
Refer to the exhibit. A technician is troubleshooting a connectivity issue and notices that there is no IS-IS adjacency between R1 and R2. What can the technician change to bring t...
- Question #13
Which BGP feature causes to replace the AS number of originating router with the AS number of the sending router?
- Question #14
Refer to the exhibit. PE1 and PE2 are exchanging VPNv4 routes for CE1 and CE2, and PE3 contains the default route to the internet. If the three devices are operating normally, whic...
- Question #16
Which optional information can be included with an IPv6 ping to support the troubleshooting process?
- Question #17
Which two statements about implementing a separate MPLS VPN to provide customers Internet access are correct? (Choose two.)
- Question #18
Which flavor of MPLS Layer 3 VPN has MPLS enabled on PE-CE links?
- Question #19
In MPLS Layer 3 VPN implementations, what is used on the PE router to isolate potential overlapping routing information between different customers?
- Question #20
Which utility can you use to validate an LSP in an MPLS environment?
- Question #21
What is the primary function of a VRF on a router?
- Question #22
Which two statements describe primary differences between MPLS Layer 2 and Layer 3 VPNs? (Choose two.)
- Question #23
Refer to the exhibit. A network engineer has been called to configure the four PE devices in order to enable full communication among the four CE devices connected to them. While s...
- Question #24
Refer to the exhibit. If the two devices are operating normally, which two conclusions can you draw from this configuration? (Choose two.)
- Question #25
Which two frames can be configured on an Ethernet flow point? (Choose two.)
- Question #26
In an Ethernet Virtual Circuit environment, which restriction do bridge domains have when STP is running?
- Question #27
Refer to the exhibit. An engineer is implementing an MPLS P2MP TE solution. Which type of router can serve as the midpoint router and the tailend router in this P2MP TE network imp...
- Question #28
In MPLS Layer 3 VPN implementations, which mechanism is used to control which routes are imported to a VRF?
- Question #29
Which option is used as a loop prevention mechanism to support MPLS VPN customers with multihomed sites?
- Question #30
When implementing VPLS on Cisco IOS XR routers, the VPLS PW neighbors can be statically defined under which configuration mode?
- Question #31
An engineer is investigating an EVPN traffic flow issue. Which type of traffic should the engineer allow in an EVPN Tree Service in order to fix this issue?
- Question #32
An engineer is investigating an issue. Which command should an engineer use on a Cisco IOS XE device to display the contents of the LFIB?
- Question #33
Refer to the exhibit. Which statement about this output is true?
- Question #34
An engineer is troubleshooting an ongoing network outage. Which command should he use that can display the live log files for a process or service running on a network device?
- Question #35
Which tool identifies the point of failure in a P2MP LSP from the ingress LSR?
- Question #36
In a typical service provider environment, which two tools are used to help scale PE router connectivity requirements? (Choose two.)
- Question #37
An ISP provides a major client MPLS VPN for managed services. The MPLS engineering team needs to use the advanced VPN feature of selective VRF import so that only specific prefixes...
- Question #38
While configuring the VRF Selection feature, you get an error message after typing the below statement: Router(config)#no vrf selection source 172.16.0.0 255.255.0.0 vrf VRF1 Which...
- Question #39
When verifying Layer 3 MPLS VPN operations, which Cisco IOS XR show command is best used to verify that the PE router is receiving the routes from the CE router?
- Question #40
When implementing Layer 3 MPLS VPNs on Cisco IOS/IOS XE PE routers, which PE-to-CE routing protocol requires a separate routing process to be created for each VRF?
- Question #41
Which three functions are performed by the PE router in an MPLS Layer 3 VPN? (Choose three.)
- Question #42
Which two BGP attributes prevent loops in a route reflector environment? (Choose two.)
- Question #43
An engineer needs to improve MPLS network management by implementing a set of tools to support the NOC engineers in troubleshooting network failures. Which feature should the engin...
- Question #44
Refer to the exhibit. A network operator is implementing EVPN IRB on PE1. Which two command placements enable the advertisement of Type 2 routes and what information do Type 2 rout...
- Question #45
You try to configure MPLS VPN VRF Selection based on a source IP address on an interface that has VRF configured, but you receive an error. Which action must you take to correct th...
- Question #46
The CTO of a company requires the support of a network consultant to deliver an MPLS solution without resigning to a certain degree of redundancy and scalability. Which solution ef...
- Question #47
You are troubleshooting ARP connectivity issues for an Ethernet interface on an IOS XR network that runs IS-IS. You verify that the IGP protocol is running, but an ARP entry has no...
- Question #48
Which two are characteristics of using a non-MPLS peer-to-peer model over a traditional overlay model? (Choose two.)
- Question #49
In which configuration mode is a route distinguisher configured in a Cisco IOS XR router?
- Question #50
Which Layer 2 VPN technology is implemented over an IP core network without the need for MPLS?
- Question #51
Which two Layer 2 VPN methods support interworking between customer sites with different Layer 2 encapsulation at each end (for example, Frame Relay to Ethernet interworking)? (Cho...