300-410 practice questions 181–190

1. Question 181 · 578 in bank

   

   Refer to the exhibit. RR Configuration: router bgp 100 neighbor IBGP peer-group neighbor IBGP route-reflector-client neighbor 10.1.1.1 remote-as 100 neighbor 10.1.2.2 remote-as 100 neighbor 10.1.3.3 remote-as 100 The network administrator configured the network to establish connectivity between all devices and notices that the ASBRs do not have routes for each other. Which set of configurations resolves this issue?

   • Arouter bgp 100 neighbor IBGP update-source Loopback0
   • Brouter bgp 100 neighbor IBGP next-hop-self
   • Crouter bgp 100 neighbor 10.1.1.1 next-hop-self neighbor 10.1.2.2 next-hop-self neighbor 10.1.3.3 next-hop-self
   • Drouter bgp 100 neighbor 10.1.1.1 peer-group IBGP neighbor 10.1.2.2 peer-group IBGP neighbor 10.1.3.3 peer-group IBGP

   Show answer

   Answer: D

   Explanation

   RR is set as the route reflector for the peer-group called IBGP. For this to take effect, we need to add the neighbors to the perer-group, which is solution "D". After this, route advertisments will be reflected by RR to the other IBGP routers. https://community.cisco.com/t5/switching/peer-group-on-a-route-reflector/td-p/1536406 https://networklessons.com/bgp/bgp-route-reflector https://www.oreilly.com/library/view/cisco-ios-in/0596008694/re638.html

   Source: Adapted from community discussion — HungarianDish_111

   References

   • cisco.com documentation

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2. Question 182 · 578 in bank

   

   Refer to the exhibit. A prefix list is created to filter routes inbound to an EIGRP process except for network 10 prefixes. After the prefix list is applied, no network 10 prefixes are visible in the routing table from EIGRP. Which configuration resolves the issue?

   • Aip prefix-list EIGRP seq 10 permit 0.0.0.0/0 le 32
   • Bip prefix-list EIGRP seq 20 permit 10.0.0.0/8 ge 9 ip prefix-list EIGRP seq 10 permit 0.0.0.0/0 le 32
   • Cip prefix-list EIGRP seq 20 permit 10.0.0.0/8 ge 9
   • Dip prefix-list EIGRP seq 5 permit 10.0.0.0/8 ge 9 no ip prefix-list EIGRP seq 20 permit 10.0.0.0/8

   Show answer

   Answer: D

   Explanation

   "ip prefix-list EIGRP seq 5 permit 10.0.0.0/8" is correct. A prefix-list is an ordered list. "permit 10.0.0.0/8" needs to come before "deny 0.0.0.0/0 le 32" (deny everything), otherwise the "10" network is matched by the deny statement and thus, it gets to be filtered. "sequence 5" places the "permit 10.0.0.0/8" before "deny 0.0.0.0/0 le 32".

   Source: Adapted from community discussion — HungarianDish_111

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3. Question 183 · 578 in bank

   

   Refer to the exhibit. An engineer configured SNMP traps to record spoofed packets drop of more than 48000 a minute on the ethernet0/0 interface. During an IP spoofing attack, the engineer noticed that no notifications have been received by the SNMP server. Which configuration resolves the issue on R1?

   • Aip verify unicast notification threshold 800
   • Bip verify unicast notification threshold 8000
   • Cip verify unicast notification threshold 48000
   • Dip verify unicast notification threshold 80

   Show answer

   Answer: A

   Explanation

   The "ip verify unicast notification threshold 800" command specifies the number of packets per second. So in this case, 800 packets a second X 60 seconds in a minute, you get 48,000 packets.

   Source: Adapted from community discussion — Slinky

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4. Question 184 · 578 in bank

   

   Refer to the exhibit. An engineer implemented an access list on R1 to allow anyone to Telnet except R2 Loopback0 to R1 Loopback4. How must sequence 20 be replaced on the R1 access list to resolve the issue?

   • Asequence 20 permit tcp host 1001:ABC:2011:7::1 host 400A:0:400C::1 eq telnet
   • Bsequence 20 deny tcp host 400A:0:400C::1 host 1001:ABC:2011:7::1 eq telnet
   • Csequence 20 permit tcp host 400A:0:400C::1 host 1001:ABC:2011:7::1 eq telnet
   • Dsequence 20 deny tcp host 1001:ABC:2011:7::1 host 400A:0:400C::1 eq telnet

   Show answer

   Answer: D

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5. Question 185 · 578 in bank

   

   Refer to the exhibit. An engineer implemented CoPP to limit Telnet traffic to protect the router CPU. It was noticed that the Telnet traffic did not pass through CoPP. Which configuration resolves the issue?

   • Aip access-list extended TELNET permit tcp host 10.2.2.1 host 10.2.2.4 eq telnet permit tcp host 10.1.1.1 host 10.1.1.3 eq telnet
   • Bpolicy-map COPP class TELNET police 8000 conform-action transmit exceed-action transmit
   • Cip access-list extended TELNET permit tcp host 10.2.2.4 host 10.2.2.1 eq telnet permit tcp host 10.1.1.3 host 10.1.1.1 eq telnet
   • Dpolicy-map COPP class TELNET police 8000 conform-action transmit exceed-action transmit violate-action drop

   Show answer

   Answer: C

   Explanation

   police bps [burst-normal] [burst-max] conform-action action exceed-action action [violate-action action] Syntax Description bps Average rate, in bits per second. Valid values are 8000 to 200000000. burst-normal (Optional) Normal burst size in bytes. Valid values are 1000 to 51200000. Default normal burst size is 1500. burst-max (Optional) Maximum burst size, in bytes. Valid values are 1000 to 51200000. Default varies by platform. conform-action Specifies action to take on packets that conform to the rate limit. exceed-action Specifies action to take on packets that exceed the rate limit. violate-action (Optional) Specifies action to take on packets that violate the normal and maximum burst sizes. action Action to take on packets. Specify one of the following keywords: •drop—Drops the packet.

   Source: Adapted from community discussion — GodFather

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6. Question 186 · 578 in bank

   

   Refer to the exhibit. The administrator configured route advertisement to a remote low resources router to use only the default route to reach any network but failed. Which action resolves this issue?

   • ARemove the prefix keyword from the distribute-list command.
   • BRemove the line with the sequence number 10 from the prefix list.
   • CChange the direction of the distribute-list command from out to in.
   • DRemove the line with the sequence number 5 from the prefix list.

   Show answer

   Answer: D

   Explanation

   deny 0.0.0.0/0 le 32 in prefix list means "any" route permit 0.0.0.0/0 in prefix list means default route So remove seq 5 will means only permit a default route advertise to the remote-host via the tunnel. I don't get the meaning of the question because don't know if the config is the "remote-host". A picture can help better explain this question

   Source: Adapted from community discussion — Ll123123

   References

   • cisco.com documentation

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7. Question 187 · 578 in bank

   

   Refer to the exhibit. After configuring OSPF in R1, some external destinations in the network became unreachable. Which action resolves the issue?

   • ADisconnect the router with the OSPF router ID 0.0.0 0 from the network.
   • BIncrease the SPF delay interval on R1 to synchronize routes.
   • CChange the R1 router ID from 10.255.255.1 to a unique value and clear the process.
   • DClear the OSPF process on R1 to flush stale LSAs sent by other routers.

   Show answer

   Answer: C

   Explanation

   The OSPF Router ID 10.255.255.1 is not unique, thus "OSPF-4-FLOOD_WAR" error message is generated on the affected routers. R1 is one of the affected devices, so "C) Change the R1 router ID from 10.255.255.1 to a unique value and clear the process" resolves the issue.

   Source: Adapted from community discussion — HungarianDish_111

   References

   • Cisco documentation
   • cisco.com documentation
   • Cisco documentation

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8. Question 188 · 578 in bank

   

   Refer to the exhibit. A network engineer receives a report that Spoke 1 users can perform bank transactions with the server located at the Center site, but Spoke 2 users cannot. Which action resolves the issue?

   • AConfigure the Spoke 2 users IP on the router B OSPF domain
   • BConfigure IPv6 on the routers B and C interfaces
   • CConfigure OSPFv2 on the routers B and C interfaces
   • DConfigure encapsulation dot1q 78 on the router C interface

   Show answer

   Answer: B

   Explanation

   Fucking idiotic question. It tests nothing in terms of knowledge. How do you apply for the job of making questions for Cisco exams, seems like an easy job…

   Source: Adapted from community discussion — [Removed]

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9. Question 189 · 578 in bank

   What is an MPLS LDP targeted session?

   • ALDP session established by exchanging multicast hello packets
   • BLDP session established between LSRs by exchanging TCP hello packets
   • Csession between neighbors that are connected no more than one hop away
   • Dlabel distribution session between non-directly connected neighbors

   Show answer

   Answer: D

   References

   • cisco.com documentation

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10. Question 190 · 578 in bank

    

    Refer to the exhibit. An engineer configures DMVPN and receives the hub location prefix of 10.1.1.0/24 on R2 and R3. The R3 prefix of 10.1.3.0/24 is not received on R2, and the R2 prefix 10.1.2.0/24 is not received on R3. Which action resolves the issue?

    • ASplit horizon prevents the routes from being advertised between spoke routers. It should be disabled with the no ip split-horizon eigrp 10 command on the Gi0/0 interface of R1.
    • BThere is no spoke-to-spoke connection. DMVPN configuration should be modified with a manual neighbor relationship configured between R2 and R3 and confirmed by use of the show ip eigrp neighbor command.
    • CThere is no spoke-to-spoke connection. DMVPN configuration should be modified to enable a tunnel connection between R2 and R3 and neighbor relationship confirmed by use of the show ip eigrp neighbor command.
    • DSplit horizon prevents the routes from being advertised between spoke routers. It should be disabled with the command no ip split-horizon eigrp 10 on the tunnel interface of R1.

    Show answer

    Answer: D

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300-410 practice, question 181. 578 questions available.