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Exam Implementing Cisco Enterprise Advanced Routing and Services (300-410 ENARSI)
Number 300-410
File Name Implementing Cisco Enterprise Advanced Routing and Services (300-410 ENARSI).vcepdf.300-410.2021-07-15.1e.76q.vcex
Size 2.84 Mb
Posted July 15, 2021
Downloads 4



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Demo Questions

Question 1
Which configuration adds an IPv4 interface to an OSPFv3 process in OSPFv3 address family configuration?

  • A: Router# ospf3 1 address-family ipv4
  • B: Router(config-router)#ospfv3 1 ipv4 area 0
  • C: Router(config-router)#ospfv3 3 1
  • D: Router# ospfv3 1 address-family ipv4 unicast



Question 2
Refer to the exhibit. 
User in the branch network of 2001:db8:0:4 report they cannot access the internet. 
Which command is issued in IPv6 router EIGRP 100 configuration mode to solve this issue?

      

R1#show ipv6 eigrp topology Branch#show ipv6 eigrp topology EIGRP-IPv6 Topology Table for EIGRP-IPv6 Topology Table for AS(100)/ID(10.1.12.1) AS(100)/ID(4.4.4.4) 
Passive, A  Active, U  Update, Q  Passive, A  Active, U  Update, Q Codes: P Codes: 
P Query, R  Rely,  Query, R  Rely, reply Status, s  sia Status  reply Status, s  sia Status r r 
P 2001:DB8:0:4::/64, 1 successors, FD is P 2001:DB8:0:4::/64, 1 successors, FD is 2816 28416 via Connected, GigabitEthernet0/0
via FE80::C828:DFF:FEF4:1C (28416/2816), P 2001:DB8:0:1::/64, 1 successors, FD is FastEthernet3/0 28416
P 2001:DB8:0:1::/64, 1 successors, FD is 2816 via FE80:C820:17FF:FE04:54 (28416/2816), via Connected, GigabitEthernet0/0 FastEthernet1/0
P ::/0, 1 successors, FD is 2816 P 2001:DB8:0:14::/64, 1 successors, FD is via FE80::C821:17FF:FE04:8 (2816/256), 28160
GigabitEthernet1/0 via Connected, FastEthernet1/0 
P 2001:DB8:0:14::/64, 1 successors, FD is P 2001:DB8:0:12::/64, 1 successors, FD is 28160 28416 via Connected, FastEthernet3/0 via FE80:C820:17FF:FE04:54 (28416/2816), P 2001:DB8:0:12::/64, 1 successors, FD is FastEthernet1/0 via Connected, GigabitEthernet0/0

  • A: Issue the eigrp stub command on R1
  • B: Issue the no neighbor stub command on R1
  • C: Issue the eigrp stub command on R2
  • D: Issue the no eigrp stub command on R2



Question 3
An engineer configuration a static route on a router, but when the engineer checks the route to the destination, a different next hop is chosen. 
What is the reason for this? 
Router#show running-config | include ip route ip route 192.168.2.2 255.255.255.255 209.165.200.225 130 Router#show ip route 
---output omitted--- 
Gateway of last resort is not set 
192.168.1.0/32 is subnetted, 1 subnets 
C 192.168.1.1 is directly connected, Loopback0 
192.168.2.0/32 is subnetted, 1 subnets 
O 192.168.2.2 [110/11] via 192.168.12.2,00:33:32, Ethernet0/0 192.168.12.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.12.0/24 is directly connected, Ethernet0/0 L 192.168.12.1/32 is directly connected, Ethernet0/0 209.165.200.0/24 is variably subnetted, 2 subnets, 2 masks C 209.165.200.0/24 is directly connected, Ethernet0/1 209.165.200.226/32 is directly connected, Ethernet0/1

  • A: The configured AD for the static route is higher than the AD of OSPF
  • B: The metric of the OSPF route is lower than the metric of the static route
  • C: Dynamic routing protocol always have priority over static routes
  • D: The syntax of the static route is not valid do the route is not considered



Question 4
An engineer is trying to generate a summary route in OSPF for network 10.0.0.0/8, but the summary route does not show up in the routing table. 
Why is the summary route missing? 
Router#show ip route 
Gateway of last resort is not set 
192.168.1.0/32 is subnetted, 1 subnets 
O 192.168.1.1[110/11] via 192.168.12.1,13:32:22, Ethernet0/0 192.168.2.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.2.0/24 is directly connected, Loopback0
L 192.168.2.2/32 is directly connected, Loopback0 
192.168.3.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.3.0/24 is directly connected, Ethernet0/1 L 192.168.3.1/32 is directly connected, Ethernet0/1 192.168.12.0/24 is variably subnetted, 2 subnets, 2 masks C 192.168.12.0/24 is directly connected, Ethernet0/0 L 192.168.12.2/32 is directly connected, Ethernet0/0 Router#show running-config | section ospf 
router ospf 1 
summary-address 10.0.0.0 255.0.0.0 
redistribute static subnets 
network 192.168.3.0 0.0.0. 255 area 0 
network 192.168.12.0 0.0.0. 255 area 0 
Router#

  • A: The summary route is not visible on this router, but it is visible on other OSPF routers in the same area
  • B: The summary-address command is used only for summary prefixes between areas
  • C: The summary route is visible only in the OSPF database not in the routing table
  • D: There is no route for a subnet inside 10.0.0.0/8, so the summary route is not generated



Question 5
R2 is a route reflector, and R1 and R3 are route reflector clients. The router R2 learns the route to 172.16.25.0/24 from R1, but it does not advertise to R3. 
What is the reason the route is not advertised? 
R2#show ip bgp 
BGP table version is 4, local router ID is 209.65.200.225 Status codes: s suppressed, d damped, h history, * valid, > best, i - internal,r RIB-failure, S Stale 
Origin codes: i - IGP, e - EGP, ? - incomplete
RPKI validation codes: V valid, I invalid, N Not found
Network Next Hop Metric LocPrf Weight Path 
* i 172.16.25.0/24 209.165.200.225 0 100 0 ? 
R3#show ip bgp summary 
BGP router identifier 192.168.3.3, local AS number 65000 BGP table version is 4, main routing table version 4 
Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd 
192.168.2.2 4 65000 8 7 4 0 0 01:00:18 0

  • A: Route reflector setup requires full BGP mesh between the routers
  • B: In route reflector setup only classification prefix are advertised from one client to another
  • C: In route reflector setup only classful prefix are advertised to other clients
  • D: R2 does not have a route to the next hop, so R2 does not advertise the prefix to the clients



Question 6
Which control plan policy limits BGP traffic that is destined to the CPU to 1 Mbps and ignores BGP traffic that is higher rate? 
Cat3850-Stack-2#show policy-map 
Policy Map LIMIT_BGP 
Class BGP 
drop 
Policy Map LIMIT_BGP 
Class BGP 
Average Rate Traffic Shaping 
cir 10000000 (bps) 
Policy Map POLICY_BGP 
Class BGP 
police cir 1000k bc 1500 
conform-action transmit 
exceed-action transmit 
Policy Map COPP 
Class BGP 
police cir 1000k bc 1500 
conform-action transmit 
exceed-action drop

  • A: policy-map SHAPE_BGP
  • B: policy-map LIMIT_BGP
  • C: policy-map POLICE_BGP
  • D: policy-map COPP



Question 7
Refer to the exhibit.

    

A router receiving BGP routing updates from multiple neighbors for routers in AS 690.
What is the reason that the router still sends traffic that is destined to AS 690 to a neighbor other than 10.222.10.1?

  • A: The local preference value in another neighbor statement is higher than 250
  • B: The local preference value should be set to the same value as the weight in the route map
  • C: The route map is applied in the wrong direction
  • D: The weight value in another statement is higher than 200



Question 8
What is the result if applying this configuration? R1#show policy-map control-plane 
Control Plane 
Service-policy input: CoPP-BGP
Class-map: BGP (match-all)
2716 packets, 193843 bytes 
5 minute offered rate 0000 bps, drop rate 0000 bps Match: access-group name BGPdrop 
Class-map: class-default (match-any)
5212 packets, 64484847 bytes 
5 minute offered rate 0000 bps, drop rate 0000 bps Match: any

  • A: The router can form BGP neighborships with any other device.
  • B: The router can form BGP neighborships with any device that matched by the access list named BGP
  • C: The router cannot form BGP neighborships with any other device
  • D: The router cannot form BGP neighborships with any device that is matched by the access list named BGP



Question 9
in which circumstance does the BGP neighbor remain in the idle condition? 
R200#show ip bgp summary 
BGP router identifier 10.1.1.1, local AS number 65000 BGP table version is 26, main routing table version 26 1 network entries using 132 bytes of memory 
1 path entries using 52 bytes of memory 
2/1 BGP path/bestpath attribute entries using 296 bytes of memory 0 BGP route-map cache entries using 0 bytes of memory 0 BGP filter-list cache entries using 0 bytes of memory Bitfield cache entries: current 1 (at peak 2) using 28 bytes of memory BGP using 508 total bytes of memory BGP activity 24/23 prefixes, 24/23 paths, scan interval 60 secs Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd 192.0.2.2 4 65100 20335 20329 0 0 0 00:02:04 Idle(PfxCt)R200#

  • A: if prefixes are not received from the BGP peer
  • B: if prefixes reach the maximum limit
  • C: if a prefix list is applied on the inbound direction
  • D: if prefixes exceed the maximum limit



Question 10
R2 has a locally originated prefix 192.168.130.0/24 and has these configurations:
ip prefix-list test seq 5 permit 192.168.130.0/24 
route-map OUT permit 10 
match ip address prefix-list test 
set as-path prepend 65000 
What is the result when the route-map OUT command is applied toward an eBGP neighbor R1 (1.1.1.1) by using the neighbor 1.1.1.1 route-map OUT out command?

  • A: R1 sees 192.168.130.0/24 as two hops away instead of one AS hop away
  • B: R1 does not forward traffic that is destined for 192.168.130.0/24
  • C: Network 192.168.130.0/24 is not allowed in the R1 table
  • D: R1 does not accept any route other than 192.168.130.0/24








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