300-410 practice questions 151–160

1. Question 151 · 578 in bank

   

   Refer to the exhibit. An engineer must advertise routes into IPv6 MP-BGP and failed. Which configuration resolves the issue on R1?

   • Arouter bgp 64900 no bgp default ipv4-unicast address-family ipv6 unicast redistribute ospf network 2001:DB9::/64
   • Brouter bgp 64900 no bgp default ipv4-unicast address-family ipv6 multicast neighbor 2001:DB8:7000::2 translate-update ipv6 multicast
   • Crouter bgp 65000 no bgp default ipv4-unicast address-family ipv6 unicast network 2001:DB8::/64
   • Drouter bgp 65000 no bgp default ipv4-unicast address-family ipv6 multicast network 2001:DB8::/64

   Show answer

   Answer: C

   Explanation

   "The command is an enabler for Multi protocol BGP mode where multiple address families can be negotiated during the BGP session setup..." "The need for this command "no bgp default ipv4-unicast" may have been removed in recent IOS images by reverting the default BGP behaviuor to be Multi protocol." https://community.cisco.com/t5/routing/no-bgp-default-ipv4-unicast/td-p/2913083 https://community.cisco.com/t5/mpls/quot-no-bgp-default-ipv4-unicast-quot-command/td-p/1212139

   Source: Adapted from community discussion — HungarianDish_111

   References

   • cisco.com documentation
   • cisco.com documentation

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2. Question 152 · 578 in bank

   

   Refer to the exhibit. The administrator is trying to overwrite an existing file on the TFTP server that was previously uploaded by another router. However, the attempt to update the file fails. Which action resolves this issue?

   • AMake the TFTP folder writable by all on the TFTP server.
   • BMake the package.conf file writable by all on the TFTP server.
   • CMake the package.conf file executable by all on the TFTP server.
   • DMake sure to run the TFTP service on the TFTP server.

   Show answer

   Answer: B

   Explanation

   The key to the question is the phrase "to overwrite an existing file on the TFTP server". We can only assume that the file is the same name, and if the TFTP server does not allow the file that already exists to be rewriteable then an error ocurrs.

   Source: Adapted from community discussion — [Removed]

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3. Question 153 · 578 in bank

   

   Refer to the exhibit. A router is receiving BGP routing updates from multiple neighbors for routes in AS 690. What is the reason that the router still sends traffic that is destined to AS 690 to a neighbor other than 10.222.1.1?

   • AThe local preference value in another neighbor statement is higher than 250.
   • BThe local preference value should be set to the same value as the weight in the route map.
   • CThe route map is applied in the wrong direction.
   • DThe weight value in another neighbor statement is higher than 200.

   Show answer

   Answer: D

   Explanation

   We=weight love=local preference oranges= originated locally >remotely as= as path oranges= origin code (IGP, EGP, incomplete?) mean= MED (metric) pure= eBGP > iBGP learned refreshment= highest RID.

   Source: Adapted from community discussion — JingleJangus

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4. Question 154 · 578 in bank

   

   Refer to the exhibit. A network engineer applied a filter for ISA traffic on OSPFv3 inter area routes on the area 5 ABR to protect advertising the internal routes of area 5 to the business partner network. All other areas should receive the area 5 internal routes. After the respective route filtering configuration is applied on the

   

   ABR, area 5 routes are not visible on any of the areas. How must the filter list be applied on the ABR to resolve this issue?

   • Ain the "in" direction for area 5 on router R1
   • Bin the "in" direction for area 20 on router R2
   • Cin the "out" direction for area 20 on router R2
   • Din the "out" direction for area 5 on router R1

   Show answer

   Answer: B

   Explanation

   For those that say C, when you filter OUT of Area 20 on R2, to which areas are you preventing the updates to enter? That would be Areas 0, 10 which is not what's required here. The thing is on which Router are you filtering. OUT direction would work if the filtering was being done on R5. The correct answer is B, you are filtering INto Area 20 so that updates from Area 0, 5 and Area 10 are not allowed in 20.

   Source: Adapted from community discussion — asans

   References

   • cisco.com documentation
   • Cisco documentation
   • cisco.com documentation

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5. Question 155 · 578 in bank

   

   Refer to the exhibit. The R2 loopback interface is advertised with RIP and EIGRP using default values. Which configuration changes make R1 reach the R2 loopback using RIP?

   • AR1(config)#router rip R1(config-router)#distance 90
   • BR1(config)#router eigrp 1 R1(config-router)#distance eigrp 130 120
   • CR1(config)#router rip R1(config-router)#distance 100
   • DR1(config)#router eigrp 1 R1(config-router)#distance eigrp 120 120

   Show answer

   Answer: B

   Explanation

   "distance eigrp 130 120" set the internal EiGRP routes to 130 and external EIGRP routes to 120. As of the loopback address is advertised in EIGRP as internal route it has an AD of 130. So the RIP route with an AD of 120 is preferred now.

   Source: Adapted from community discussion — ChillingAgain

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6. Question 156 · 578 in bank

   

   Refer to the exhibit. A network administrator notices these console messages from host 10.11.110.12 originating from interface E1/0. The administrator considers this an unauthorized attempt to access SNMP on R1. Which action prevents the attempts to reach R1 E1/0?

   • AConfigure IOS control plane protection using ACL 90 on interface E1/0.
   • BCreate an inbound ACL on interface E1/0 to deny SNMP from host 10.11.110.12.
   • CAdd a permit statement including the host 10.11.110.12 into ACL 90.
   • DConfigure IOS management plane protection using ACL 90 on interface E1/0.

   Show answer

   Answer: B

   Explanation

   Its B. ACL blocks the specific host/port incoming. You cannot use ACLs to protect the 'management plane' on an interface

   Source: Adapted from community discussion — [Removed]

   References

   • Cisco documentation

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7. Question 157 · 578 in bank

   

   Refer to the exhibit. R6 should reach R1 via R5>R2>R1. Which action resolves the issue?

   • ADecrease the cost to 2 between R6-R5-R2.
   • BIncrease the cost to 61 between R2-R3-R1.
   • CIncrease the cost to 61 between R2 and R3.
   • DDecrease the cost to 41 between R2 and R1.

   Show answer

   Answer: C

   Explanation

   Increase cost BY 61. Keyword BY, not TO 61. When you increase BY 61, total becomes 81 which is what you want to achieve.

   Source: Adapted from community discussion — pepgua

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8. Question 158 · 578 in bank

   An engineer failed to run diagnostic commands on devices using Cisco DNA Center. Which action in Cisco DNA Center resolves the issue?

   • AEnable Secure Shell.
   • BEnable APIs.
   • CEnable CDP.
   • DEnable Command Runner.

   Show answer

   Answer: D

   Explanation

   CHATGPT: Command Runner is a feature available in Cisco DNA Center, a network management platform provided by Cisco. It allows network administrators or engineers to remotely execute commands on multiple network devices simultaneously, providing a centralized and efficient way to manage and configure devices. Verify Command Runner settings: Confirm that the Command Runner feature is enabled and properly configured in Cisco DNA Center. Ensure that the engineer has the necessary permissions and access rights to use the Command Runner feature.

   Source: Adapted from community discussion — pepgua

   References

   • cisco.com documentation
   • Cisco documentation

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9. Question 159 · 578 in bank

   

   Refer to the exhibit. The static route is not present in the routing table of an adjacent OSPF neighbor router. Which action resolves the issue?

   • AConfigure a permit 20 statement to the route map to redistribute the static route.
   • BConfigure the next-hop interface at the end of the static route for it to get redistributed.
   • CConfigure the next hop of 10.20.20.1 in the prefix list DMZ-STATIC.
   • DConfigure the subnets keyword in the redistribution command.

   Show answer

   Answer: D

   Explanation

   Router> enable Router# configure terminal Router(config)# router ospf Router(config-router)# redistribute static SUBNETS Use the "redistribute" command to redistribute the static route into OSPF. Specify the source of the static route and any necessary parameters.

   Source: Adapted from community discussion — pepgua

   References

   • cisco.com documentation
   • Cisco documentation

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10. Question 160 · 578 in bank

    

    Refer to the exhibit. Packets arriving from source 209.165.200.215 must be sent with the precedence bit set to 1, and packets arriving from source 209.165.200.216 must be sent with the precedence bit set to 5. Which action resolves the issue?

    • Aset ip precedence critical in route-map Texas permit 20
    • Bset ip precedence critical in route-map Texas permit 10
    • Cset ip precedence priority in route-map Texas permit 20
    • Dset ip precedence immediate in route-map Texas permit 10

    Show answer

    Answer: A

    Explanation

    Answer is correct IP Precedence 000 (0) Routine or Best Effort 001 (1) Priority 010 (2) Immediate 011 (3) Flash - mainly used for Voice Signaling or for Video. 100 (4) Flash Override 101 (5) Critical -mainly used for Voice RTP. 110 (6) Internet 111 (7) Network

    Source: Adapted from community discussion — shoo83

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300-410 practice, question 151. 578 questions available.