350-401 practice questions 741–750

1. Question 741 · 1003 in bank

   Which language defines the structure or modeling of data for NETCONF and RESTCONF?

   • AYAML
   • BXML
   • CJSON
   • DYANG

   Show answer

   Answer: D

   References

   • cisco.com documentation

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2. Question 742 · 1003 in bank

   Refer to the exhibit.

   

   What is displayed when the code is run?

   • AThe answer is 100
   • BThe answer is 5
   • CThe answer is 25
   • DThe answer is 70

   Show answer

   Answer: C

   Explanation

   If num is not a number then the method will throw out exception then the answer will be 100, for example putting a character "a" in to method - magic("a") But the main() method has statically defined the num as 5 - magic(5), which will never throw out an exception. answer should always be num + 2 * 10, which is 25 in this program So the answer is C

   Source: Adapted from community discussion — kmb192006

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3. Question 743 · 1003 in bank

   What is the purpose of an integration API in Cisco DNA Center?

   • AObtain information about clients, sites, and topology from Cisco DNA Center.
   • BEnable external systems to take actions in response to an event.
   • CAllow the platform into approval chains in ITSM.
   • DEnable discovery and control of the network by using HTTPS verbs.

   Show answer

   Answer: C

   Explanation

   Integration capabilities are part of Westbound interfaces. The Catalyst Center platform provides mechanisms for integrating Assurance workflows and data with third-party IT Service Management (ITSM) solutions. ITSM also integrates the Catalyst Center platform into approval and pre-approval chains, linking it with formal change and maintenance window schedules. https://developer.cisco.com/docs/dna-center/overview/#integration-api-westbound:~:text=Integration%20capabilities%20are%20part%20of%20Westbound%20interfaces.

   Source: Adapted from community discussion — AbdullahMohammad251

   References

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

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4. Question 744 · 1003 in bank

   Refer to the exhibit.

   

   What is the value of the variable list after the code is run?

   • A[1, 2, 10]
   • B[1, 2, 3, 10]
   • C[1, 2, 10, 4]
   • D[1, 10,10,10]

   Show answer

   Answer: B

   Explanation

   After the code is run, the value of the variable list will be [1, 2, 3, 10]. The code creates a list containing the values [1, 2, 3, 4]. Then, it modifies the fourth element of the list (which has an index of 3, since Python uses 0-indexing) by setting it equal to 10 using the assignment operator (=). Finally, it prints the resulting list using the print() function. So, the output of the print statement will be [1, 2, 3, 10], indicating that the fourth element of the list has been successfully modified.

   Source: Adapted from community discussion — Vlad_Is_Love_ua

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5. Question 745 · 1003 in bank

   What is one difference between SaltStack and Ansible?

   • ASaltStack uses the Ansible agent on the box, whereas Ansible uses a Telnet server on the box.
   • BSaltStack uses an API proxy agent to program Cisco boxes in agent mode, whereas Ansible uses a Telnet connection.
   • CSaltStack uses SSH to interact with Cisco devices, whereas Ansible uses an event bus.
   • DSaltStack is agent based, whereas Ansible is agentless.

   Show answer

   Answer: D

   Explanation

   As usual: trust the discussion, not the experts. This site would already improve a lot if there was a link from question to discussion.

   Source: Adapted from community discussion — ClPo

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6. Question 746 · 1003 in bank

   DRAG DROP - Drag and drop the LISP components from the left onto the functions they perform on the right. Not all options are used. Select and Place:

   

   This is an interactive task on the real exam — a drag-and-drop, hotspot or ordering question. There is nothing to select here, so the answer is shown below for reference.

   Show the answer figure

   Answer: See figure below

   Explanation

   Reference: https://www.cisco.com/c/en/us/td/docs/solutions/Enterprise/Data_Center/DCI/5-0/LISPmobility/DCI_LISP_Host_Mobility/LISPmobile_2.html#:~:text=% E2%80%93%20Proxy%20ITR%20(PITR)%3A%20A,devices%20deployed%20at%20LISP%20sites.

   Source: Adapted from community discussion — OhBee

   

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7. Question 747 · 1003 in bank

   Which signal strength and noise values meet the minimum SNR for voice networks?

   • Asignal strength -66 dBm, noise 90 dBm
   • Bsignal strength -67 dBm, noise 91 dBm
   • Csignal strength -68 dBm, noise 89 dBm
   • Dsignal strength -69 dBm, noise 94 dBm

   Show answer

   Answer: D

   Explanation

   The correct is D Check below: Generally, a signal with an SNR value of 20 dB or more is recommended for data networks where as an SNR value of 25 dB or more is recommended for networks that use voice applications. A. signal strength -66 dBm, noise 90 dBm=24dB B. signal strength -67 dBm, noise 91 dBm=24dB C. signal strength -68 dBm, noise 89 dBm=21dB D. signal strength -69 dBm, noise 94 dBm=25dB <- Correct

   Source: Adapted from community discussion — Nickplayany

   References

   • Cisco documentation

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8. Question 748 · 1003 in bank

   A customer requires their wireless network to be fully functional, even if the wireless controller fails. Which wireless design supports these requirements?

   • AFlexConnect
   • Bmesh
   • Ccentralized
   • Dembedded

   Show answer

   Answer: A

   Explanation

   FlexConnect: Provides local functionality even without the central controller with local mode and for remote or branch office deployments. Mesh: Creates a wireless backhaul network using access points as relays. Centralized: Access points rely heavily on a central controller for management and data forwarding. Embedded: Access points have built-in controller functionality to enhance resiliency.

   Source: Adapted from community discussion — due

   References

   • Cisco documentation

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9. Question 749 · 1003 in bank

   Select 2

   Which two conditions occur when the primary route processor fails on a switch that is using dual route processors with stateful switchover? (Choose two.)

   • AData forwarding can continue along known paths until routing protocol information is restored.
   • BData forwarding is stopped until the routing protocols reconverge after the switchover.
   • CThe standby route processor is fully initialized and state information is maintained.
   • DUser sessions are immediately recreated on the new active route processor.
   • EThe standby route processor initialization is started when the primary router processor fails.

   Show answer

   Answer: AC

   Explanation

   A and C from the 2nd edition OCG under SSO and NFS section, "During a switchover, the standby RP takes over as the new active RP. The new active RP uses the SSO learnt checkpoint information and keeps the interfaces on the router from flapping and the router and/or line cards from reloading, however, SSO doesn’t checkpoint any Layer 3 control plane information about any neighbor router, and due to this, the existing routing protocol adjacencies go down and begin to reestablish. During this time, since the FIB was checkpointed by NSF, the data plane is not affected by the Layer 3 control plane going down and traffic continues to be forwarded while the routing protocol adjacencies reestablish. After routing convergence is complete, the FIB is updated with new routing or topology information from the RIB if necessary."

   Source: Adapted from community discussion — sam6996

   References

   • cisco.com documentation

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10. Question 750 · 1003 in bank

    Refer to the exhibit.

    

    Which configuration must be added to R2 to enable PC3 to obtain a DHCP address and successfully ping PC1?

    • ARouter(config)# vrf definition PRODUCTION Router(config-vrf)# address-family ipv4 Router(config)# interface GigabitEthernet 0/0 Router(config-if)# vrf forwarding PRODUCTION Router(config-if)# ip address 10.199.0.1 255.255.252.0 Router(config)# ip dhcp pool R&D Router(dhcp-config)# vrf PRODUCTION
    • BRouter(config)# vrf definition PRODUCTION Router(config-vrf)# rd 1:100 - Router(config)# router eigrp 100 Router(config-rtr)# redistribute vrf PRODUCTION
    • CRouter(config)# vrf definition PRODUCTION Router(config-vrf)# vnet tag 100 Router(config)# interface GigabitEthernet 0/0 Router(config-if)# vnet trunk -
    • DRouter(config)# vrf definition PRODUCTION Router(config-vrf)# rd 1:100 - Router(config-vrf)# address-family ipv4 Router(config)# router eigrp 100 Router(config-rtr)# route-target export 1:100

    Show answer

    Answer: A

    Explanation

    gi0/0 is not part of the VRF, so you have to join the interface to the VRF and then, recreate its configuration again. Answer A - does that.

    Source: Adapted from community discussion — Zeruz

    References

    • cisco.com documentation

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350-401 practice, question 741. 1003 questions available.