300-410 practice questions 91–100

1. Question 91 · 578 in bank

   

   Refer to the exhibits. An engineer filtered messages based on severity to minimize log messages. After applying the filter, the engineer noticed that it filtered required messages as well. Which action must the engineer take to resolve the issue?

   • AConfigure syslog level 2.
   • BConfigure syslog level 3.
   • CConfigure syslog level 4.
   • DConfigure syslog level 5.

   Show answer

   Answer: D

   Explanation

   Specifying a level causes messages at that level and numerically lower levels to be displayed at the destination. https://www.cisco.com/c/en/us/td/docs/routers/access/wireless/software/guide/SysMsgLogging.html #logging trap 5 = send notifications and lower severity levels (5,4,3,2,1) https://www.ciscopress.com/articles/article.asp?p=426638&seqNum=3

   Source: Adapted from community discussion — HungarianDish_111

   References

   • Cisco documentation

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2. Question 92 · 578 in bank

   An engineer is troubleshooting on the console session of a router and turns on multiple debug commands. The console screen is filled with scrolling debug messages that none of the commands can be verified if entered correctly or display any output. Which action allows the engineer to see entered console commands while still continuing the analysis of the debug messages?

   • AConfigure the term no mon command globally.
   • BConfigure the logging synchronous level all command.
   • CConfigure the logging synchronous command.
   • DConfigure the no logging console debugging command globally.

   Show answer

   Answer: C

   Explanation

   C is correct "What is logging synchronous command in Cisco? This command controls the printing of log messages to a user's terminal. By default, messages are printed at any time, possibly disrupting the user's current command. This command tells the router to wait until the user's current command and its output are completed before displaying any logging messages."

   Source: Adapted from community discussion — AliMo123

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3. Question 93 · 578 in bank

   

   Refer to the exhibit. The DHCP client is unable to receive an IP address from the DHCP server. RouterB is configured as follows:

   

   Which command is required on the fastethernet 0/0 interface of RouterB to resolve this issue?

   • ARouterB(config-if)#ip helper-address 172.16.1.1
   • BRouterB(config-if)#ip helper-address 255.255.255.255
   • CRouterB(config-if)#ip helper-address 172.16.1.2
   • DRouterB(config-if)#ip helper-address 172.31.1.1

   Show answer

   Answer: C

   Explanation

   Answer C is correct because when using the ip helper-address command inside interface mode you have to add the ip address of the dhcp server that you are attempting to obtain dhcp information from

   Source: Adapted from community discussion — jsanc1974

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4. Question 94 · 578 in bank

   

   Refer to the exhibit. A network administrator added one router in the Cisco DNA Center and checked its discovery and health from the Network Health Dashboard. The network administrator observed that the router is still showing up as unmonitored. What must be configured on the router to mount it in the Cisco DNA Center?

   • AConfigure router with SNMPv2c or SNMPv3 traps
   • BConfigure router with the telemetry data
   • CConfigure router with routing to reach Cisco DNA Center
   • DConfigure router with NetFlow data

   Show answer

   Answer: B

   Explanation

   Unmonitored devices are devices for which Assurance did not receive any telemetry data during the specified time range. Unmonitored devices are included in the Network Health Score computation. They are used as part of the total number of devices against which the health device percentage is calculated. Given Answer (B) is correct.

   Source: Adapted from community discussion — bjromero28

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5. Question 95 · 578 in bank

   

   Refer to the exhibit. NTP is configured across the network infrastructure and Cisco DNA Center. An NTP issue was reported on the Cisco DNA Center at 17:15. Which action resolves the issue?

   • AReset the NTP server to resolve any synchronization issues for all devices
   • BCheck and resolve reachability between Cisco DNA Center and the NTP server
   • CCheck and resolve reachability between the WLC and the NTP server
   • DCheck and configure NTP on the WLC and synchronize with Cisco DNA Center

   Show answer

   Answer: C

   Explanation

   With NTP already configured and only one device exhibiting the issue, I would first check that device and make sure that it can reach the NTP server and sync time.

   Source: Adapted from community discussion — bogd

   References

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

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6. Question 96 · 578 in bank

   

   Refer to the exhibit. PC-2 failed to establish a Telnet connection to the terminal server. Which configuration resolves the issue?

   • AGateway-Router(config)#ipv6 access-list Default_Access Gateway-Router(config-ipv6-acl)#sequence 25 permit tcp host 2018:DB1:A:B::2 host 2018:DB1:A:C::1 eq telnet
   • BGateway-Router(config)#ipv6 access-list Default_Access Gateway-Router(config-ipv6-acl)#no sequence 20 Gateway-Router(config-ipv6-acl)#sequence 5 permit tcp host 2018:DB1:A:B::2 host 2018:DB1:A:C::1 eq telnet
   • CGateway-Router(config)#ipv6 access-list Default_Access Gateway-Router(config-ipv6-acl)#permit tcp host 2018:DB1:A:B::2 host 2018:DB1:A:C::1 eq telnet
   • DGateway-Router(config)#ipv6 access-list Default_Access Gateway-Router(config-ipv6-acl)#sequence 15 permit tcp host 2018:DB1:A:B::2 host 2018:DB1:A:C::1 eq telnet

   Show answer

   Answer: D

   Explanation

   Agree with Amgue that connectivity should already work as pc-2 hits the sequence 30 ACE and as it does not match sequence 10 or 20 There may be a typo in the graphic and sequence 20 should actually read : deny tcp any host 2018:DB1:A:C::1 eq telnet sequence 20 That would make answer D correct. However if there's no typo I go for answer B - it tidies things up the most - not completely as sequence 30 remains - but it looks the best fit.

   Source: Adapted from community discussion — Surfside92

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7. Question 97 · 578 in bank

   

   Refer to the exhibit. A network administrator enables DHCP snooping on the Cisco Catalyst 3750-X switch and configures the uplink port (Port-channel2) as a trusted port. Clients are not receiving an IP address, but when DHCP snooping is disabled, clients start receiving IP addresses. Which global command resolves the issue?

   • Aip dhcp relay information trust portchannel2
   • Bip dhcp snooping
   • Cip dhcp snooping trust
   • Dno ip dhcp snooping information option

   Show answer

   Answer: D

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8. Question 98 · 578 in bank

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

   • Arouter ospfv3 1 address-family ipv4
   • BRouter(config-router)#ospfv3 1 ipv4 area 0
   • CRouter(config-if)#ospfv3 1 ipv4 area 0
   • Drouter ospfv3 1 address-family ipv4 unicast

   Show answer

   Answer: C

   Explanation

   The correct answer C: Device(config-if)# ospfv3 1 area 1 ipv4 because the question is which command add ipv4 interface to OSPFv3

   Source: Adapted from community discussion — samne168

   References

   • Cisco documentation

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9. Question 99 · 578 in bank

   A customer reports to the support desk that they cannot print from their PC to the local printer id:123456789. Which tool must be used to diagnose the issue using Cisco DNA Center Assurance?

   • Adevice trace
   • BACL trace
   • Cpath trace
   • Dapplication trace

   Show answer

   Answer: C

   References

   • Cisco documentation

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10. Question 100 · 578 in bank

    An engineer configured SNMP notifications sent to the management server using authentication and encrypting data with DES. An error in the response PDU is received as "UNKNOWNUSERNAME, WRONGDIGEST". Which action resolves the issue?

    • AConfigure the correct authentication password using SNMPv3 authNoPriv.
    • BConfigure correct authentication and privacy passwords using SNMPv3 authPriv.
    • CConfigure correct authentication and privacy passwords using SNMPv3 authNoPriv.
    • DConfigure the correct authentication password using SNMPv3 authPriv.

    Show answer

    Answer: B

    Explanation

    Both cases (A, D) generate the same error message. Still, we need to make sure that both authentication and encryption passwords are correct, otherwise further errors occur. So for me it's B.

    Source: Adapted from community discussion — HungarianDish_111

    References

    • Cisco documentation

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300-410 practice, question 91. 578 questions available.