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300-410 VOL1-Question

300-410 Implementing Cisco Enterprise Advanced Routing and Services (ENARSI) VOL1

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300-410 VOL1-Question

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  1. 300-410 Implementing Cisco Enterprise Advanced Routing and Services (ENARSI) VOL1 QUESTION NO: 1 You have configured router R1 with multiple VRF’s in order to support multiple customer VPN networks. If you wanted to see the best path for the 10.1.1.0.24 route in VRF Blue, what command would you use? A.show ip route vrf Blue 10.1.1.0 B.show ip route 10.1.1.0 vrf Blue C.show route all 10.1.1.0 D.show ip route all 10.1.1.0 Answer: A QUESTION NO: 2 Which of the following OSPF Link State Advertisements (LSA’s) were created for IPV6 and do not apply to IPv4 OSPF networks? (Select two) A.Link LSA (Type 8) B.Summary LSA (Type 3) C.Router LSA (Type 2) D.Intra-Area Prefix LSA (Type 9) E.Opaque LSA (Type 9) Answer: A, D QUESTION NO: 3 Router R1 has been configured with a default route like this: R1#(config) ip route 0.0.0.0 0.0.0.0 10.2.3.1 You want to redistribute this route into OSPF but when you configure the redistribute static command under the OSPF process the default route is not present. What will create a default route in the OSPF routing process? A.Use the redistribute static subnets command. B.Create a default metric for the static default route. C.Use the default-information originate command under the OSPF process. D.Change the static default route to use an Administrative Distance (AD) greater than 110. Answer: C © Copyright Prep Solutions Limited, All rights reserved

  2. QUESTION NO: 4 Which one of the following statements regarding Bidirectional Forwarding Detection (BFD) is correct? A.BFD echo mode is the default mode of operation. B.BFD is not supported for HSRP. C.CEF must be disabled for BFD to work. D.BFD is not supported when using static routes. Answer: A QUESTION NO: 5 Which of the following OSPF neighbor adjacency states is applicable only to manually configured OSPF neighbors in a Non Broadcast Multi-Access network? A.Attempt B.Init C.2-Way D.Exstart E.Exchange Answer: A QUESTION NO: 6 With Internal BGP, there is a requirement for all peers to be logically fully meshed, where all IBGP routers must peer with all other IBGP routers. For scaling purposes, there are two mechanisms that were developed to bypass this requirement. What are they? A.Confederations B.IBGP to EBGP route redistribution C.BGP peer filtering D.Route reflectors. Answer: A, D QUESTION NO: 7 © Copyright Prep Solutions Limited, All rights reserved

  3. You have configured policy-based routing on router R1 to force some traffic to go over an alternate link. In order to verify the configuration, which debug command should be used to verify that the specific traffic is taking the intended path? A.Debug policy routing B.Debug ip routing C.Debug ip policy D.Debug policy map Answer: C QUESTION NO: 8 Which BGP attribute can be used to influence the path that incoming traffic takes into your AS from other Autonomous Systems? A.Metric manipulation B.AS_Path C.Weight D.Local Preference Answer: B QUESTION NO: 9 Routers R1 and R2 have been configured to use Bidirectional Forwarding Detection? What is the advantage of doing this? A.It is able to discover local link failures at layer 1 and provide automatic re-routing B.It is able to discover local link failures at layer 1 and provide automatic re-routing C.It is able to discover local link failures at layer 1 only and provides detection for this in less than one second. D.It is able to discover local link failures at layers 1 and 2 and provides detection for this in less than one second. Answer: D QUESTION NO: 10 Which BGP attribute can be used to influence the path that outgoing traffic takes from your AS to other Autonomous Systems? (Select two) © Copyright Prep Solutions Limited, All rights reserved

  4. A.MED B.AS_Path C.Weight D.Local Preference Answer: C, D QUESTION NO: 11 In order to connect between disparate OSPF and EIGRP portions of a network, mutual route redistribution has been configured. What are two disadvantages of doing this? A.Prone to routing loops if not done correctly B.Differing metrics between the routing protocols could result in sub-optimal routing. C.Route redistribution is not supported on most Cisco router platforms. D.Increased convergence times. Answer: A, B QUESTION NO: 12 Which of the following statements are true regarding two EIGRP routers to become neighbors? A.Must have identical hello and dead timers B.Must utilize unique router ID’s C.Must have matching MTU’s on the physical network links that connect the routers. D.Must use the same ASN. Answer: D QUESTION NO: 13 Which of the following statements are true regarding two OSPF routers to become neighbors? (Select two) A.Must use the same ASN B.Must have identical hello and dead timers C.Must have matching MTU’s on the physical network links that connect the routers. D.Need not be on the same subnet. Answer: B, C © Copyright Prep Solutions Limited, All rights reserved

  5. QUESTION NO: 14 A new site has been added to an OPSF network using area 2. Area 2 is connected only to area 1 of this OSPF network. Area 1 is used to connect area 1 to the backbone area 0. Should you expect full connectivity to the networks located in area 2 from area 0 in this scenario? A.Yes, by default there will be full connectivity. B.No, you will need to redistribute the area 2 routes into area 0. C.No, a virtual link is needed to logically connect area 2 info area 0. D.Yes, but area 2 will need to be configured as a stub area. Answer: C QUESTION NO: 15 Router R1 is configured using VRF’s to support customer VPN’s. Some customers are using the same private IP address space. Which of the following is used to ensure that these routes are unique when advertised throughout the VPN? A.Route Distinguisher B.Route Targets C.MP-BGP D.LDP Answer: A QUESTION NO: 16 Two MPLS routers, R1 and R2, are not directly connected and have an established LDP session running between them. What type of LDP session is this? A.Remote LDP session B.Direct LDP session C.Tunneled LDP session D.Targeted LDP session Answer: D QUESTION NO: 17 What is the total length of an MPLS header? © Copyright Prep Solutions Limited, All rights reserved

  6. A.16 bits B.20 bits C.28 bits D.32 bits Answer: D QUESTION NO: 18 Which of the following are valid fields in an MPLS header? (Select four) A.Label B.Sequence Number C.Experimental (Exp) D.Bottom of Stack (BoS) E.Time to Live (TTL) F.Checksum Answer: A, C, D, E QUESTION NO: 19 What TCP port is used by LDP to provide for reliable transport connections? A.646 B.648 C.752 D.712 Answer: A QUESTION NO: 20 Which of the following are control plane protocols used within a service provider MPLS network? (Choose two) A.OAM B.RSVP C.Targeted LDP D.SNMP E.LDP Answer: B, E © Copyright Prep Solutions Limited, All rights reserved

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