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Question 1 of 30

1. Question
Which of the below option is the reason to run IBGP? (Choose Two)
- It is used for the reachability between PE devices in MPLS network
- It is used to carry EBGP prefixes inside an Autonomous System
- It is used with Route Reflectors for the scalability reason in large scale networks
- It is used to prevent failures outside your network from impacting your internal network operation
Correct

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Question 2 of 30

2. Question
Which of the below options are true for the BGP Route Reflectors? (Choose Three)
- Route Reflectors provide scalability in large scale network design
- Route Reflectors hide the available paths
- Route Reflectors selects and advertise only the best path to Route Reflector clients
- Route Reflectors can be placed anywhere in the IP backbone as an IPv4 RR
- Route Reflectors are always deployed as two in network design
Correct

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Question 3 of 30

3. Question
Which below attributes are commonly used for BGP path manipulation? (Choose Three)
- Local Preference
- Origin
- AS-Path
- Community
- Weight
Correct

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Question 4 of 30

4. Question
Which of the below options is used in the Public Internet Exchange Points to reduce configuration overhead on the BGP devices?
- BGP Route Reflectors
- BGP Prefix List
- BGP Route Server
- BGP Looking Glasses
- BGP Mapping Server
Correct

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Question 5 of 30

5. Question
Which below options are true for the BGP Confederation? (Choose Three)
- It is done by creating Sub-Autonomous system
- It is easier to migrate to confederation from full-mesh IBGP, compare to BGP Route Reflectors
- Between Sub Autonomous Systems mostly EBGP rules apply
- Compare to BGP Route Reflector design, it is less commonly deployed in the networks
- In each sub-AS , there can be additional level of Sub-as in BGP confederation
Correct

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Question 6 of 30

6. Question
Which below option is used for inbound BGP path manipulation? (Choose Three)
- Local Preference
- MED
- AS-Path Prepending
- Community
- Hot Potato Routing
Correct

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Question 7 of 30

7. Question
What does MP-BGP (Multi Protocol BGP) mean?
- BGP implementation which can converge less than a second
- BGP implementation which is used in Service Provider networks
- BGP implementation which can carry multiple BGP Address Families
- BGP implementation which is used in Enterprise Networks
Correct

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Question 8 of 30

8. Question
What does Hot Potato Routing mean?
- Sending the traffic to the most optimum exit for the neighboring AS
- Sending the traffic to the closest exit to the neighboring AS
- By coordinating with the neighboring AS, sending traffic to the closest exit point
- . It is the other name of BGP Multipath
Correct

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Question 9 of 30

9. Question
Fictitious Service Provider is considering providing an availability SLA for their MPLS VPN customers. They want to provide sub second convergence in case link or node failure scenarios.
What would you suggest to this company to achieve their goal? (Choose Two)
- Implementing BFD
- Implementing BGP PIC Core and Edge
- Implementing BGP Route Reflectors
- Implementing IGP FRR
Correct

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Question 10 of 30

10. Question
With which below options, internal BGP speaker can receive more than one best path even if BGP Route Reflectors are deployed? (Choose Three)
- BGP Shadow RR
- BGP Shadow Sessions
- BGP Add-Path
- BGP Confederation
- BGP Multipath
Correct

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Question 11 of 30

11. Question
Which below option is recommended to send more than one best path to the VPN PEs in the MPLS VPN deployment if VPN Route Reflectors are deployed?
- BGP Add-Path
- BGP Shadow RR
- BGP Full Mesh
- Unique RD per VRF per PE
- BGP Confederation
Correct

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Question 12 of 30

12. Question
What are the reasons to send more than one BGP best path in IP and MPLS deployment? (Choose Four)
- BGP Multipath
- BGP Fast Reroute
- BGP Multihop
- Preventing Route Oscillation
- Optimal BGP Routing
- To reduce CPU and Memory usage at the edge devices
Correct

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Question 13 of 30

13. Question
What is the drawback of sending more than one BGP best path in BGP?
- More resource usage
- Sub optimal routing
- Slower convergence
- Security risk
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Question 14 of 30

14. Question
What below options are the advantages of Full Mesh IBGP design compare to BGP Route Reflector design? (Choose Four)
- It can provide more optimal routing compare to Route Reflector design
- It can provide faster routing convergence compare to Route Reflector design
- It provides better resource usage compare to Route Reflector design
- It can provide better protection against route churn
- Multipath information is difficult to propagate in a route reflector topologies
- Full Mesh IBGP has less state in the control plane compare to RR design on the same topology
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Question 15 of 30

15. Question
In the below topology IP backbone is shown. R2 is the RR client of R4 and R3 is the RR client of R1.

What is the next hop of R2 and R3 for the 70.70.0.0/24 prefix?
- R1 is the next hop of R2, R4 is the next hop of R3
- R1 is the next hop of R3, R4 is the next hop of R2
- R2 is the next hop of R3, R3 is the next hop of R2
- R4 is the next hop of both R2 and R3
Correct

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Question 16 of 30

16. Question
What can be the problem with BGP design in the Enterprise if there are more than one datacenter?
- Convergence is very slow
- Asymmetric routing issues if there are stateful devices
- Route Reflector deployment is harder compare to SP deployment
- Traffic flow cannot be optimized
Correct

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Question 17 of 30

17. Question
Which below option is true for the VPN Route Reflectors in MPLS deployments? (Choose Two)
- It can be deployed in centralize place
- It doesn’t have to follow physical topology, can have more flexible placement compare to IP Route Reflectors
- It is best practice to use VPN Route Reflectors for the IP Route Reflectors as well
- It always provides most optimal path to the Route Reflector clients
Correct

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Question 18 of 30

18. Question
What can be the problem with using IP and VPN Route Reflector on the same device? (Choose Two)
- Attack for the Internet service can affect VPN Customers
- Attack for the VPN service can affect Internet Customers
- Scalability of the Route Reflectors are reduced
- They have to participate in the IGP process
Correct

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Question 19 of 30

19. Question
In the below topology there are two datacenters of the Service Provider. If the requirement were to provide closest exit for the Route Reflector clients, in which datacenter would you deploy the Route Reflectors?
- In West DC
- In East DC
- Doesn’t matter the placement
- Both in East and West DC
Correct

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Question 20 of 30

20. Question
Which below options are true for the BGP PIC deployment? (Choose Two)
- BGP PIC can provide sub second convergence even if there are millions of prefixes in the routing table
- BGP edge devices don’t have to receive more than one best path for BGP PIC Edge to work
- BGP PIC Edge can protect both from Edge link and Node failure
- BGP PIC has to work with BGP Add-Path
Correct

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Question 21 of 30

21. Question
Which below option provide Route Origin Validation ?
- IRR
- Peering DB
- RPKI
- BGPSEC
- Flowspec
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Question 22 of 30

22. Question
What are the important consideration when EBGP is used in the Massively Scale Datacenters? (Choose Three)
- BGP Path Hunting
- ASN allocation schema
- Whether there is a BGP Route Server
- Traffic Engineering
- Add-path or Shadow RR deployment
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Question 23 of 30

23. Question
Which below option provides Path Validation in BGP?
- IRR
- PeeringDB
- RPKI
- BGPSEC
- Flowspec
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Question 24 of 30

24. Question
Which below options can be used for BGP neighbor auto discovery? (Choose Two)
- BGP Auto Discovery via TCP Multipath
- BGP LLDP Peer Discovery
- BGP Neighbor Discovery through UDP 179
- BGP and SPF are used together to provide neighbor auto discovery
Correct

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Question 25 of 30

25. Question
Which below options are correct for BGPSEC? (Choose Two)
- BGPSEC is changing the way of how BGP works
- BGPSEC replaces as-path attribute with bgpsec-path attribute
- BGPSEC cannot provide Origin validation
- BGPSEC comes with very less computational overhead
- BGPSEC and RPKI has to be used together
- BGPSEC is very commonly deployed in today networks as of 2019
Correct

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Question 26 of 30

26. Question
Which below three are the IRR Objects?
- AUT-NUM
- Route/Route6
- AS-PATH
- AS-SET
- MED
- PEER-SET
- PEER-LOCK
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Question 27 of 30

27. Question
Which below options are used in DDOS protection with BGP? (Choose Two)
- BGPSEC
- RFC 5575/Flowspec
- RTBH
- DF Election
- RPKI
- Path Prepending
Correct

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Question 28 of 30

28. Question
Which below mechanisms can help to prevent BGP Route Leaks? (Choose Three)
- IRR Route Objects
- Infrastructure ACL
- BGP Session Shutdown
- RPKI ROA
- BGPSEC
- BGP Administrator Shutdown
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Question 29 of 30

29. Question
Which below option is used to prevent packet loss in case of planned failure in BGP?
- BGP Admin Shutdown
- BGP Graceful Shutdown
- BGP Graceful Restart
- BGP IGP Synchronisation
- BGP MED Attribute
Correct

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Question 30 of 30

30. Question
Which below options are true for Destination based RTBH? (Choose Two)
- It completes the attack but save the upstream communication
- It is used in combination with uRPF
- Other name of it is BGP Flowspec
- It is more flexible compare to BGP Flowspec
- Entire IP address reachability is lost rather than individual TCP or UDP port
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