350-401 practice questions 291–300

1. Question 291 · 1003 in bank

   A network administrator is preparing a Python script to configure a Cisco IOS XE-based device on the network. The administrator is worried that colleagues will make changes to the device while the script is running. Which operation of the ncclient manager prevents colleagues from making changes to the devices while the script is running?

   • Am.lock(config='running')
   • Bm.lock(target='running')
   • Cm.freeze(target='running')
   • Dm.freeze(config='running')

   Show answer

   Answer: B

   Explanation

   If the clear configuration lock command is specified while a NETCONF global lock is being held, a full synchronization of the configuration is scheduled and a warning syslog message is produced. This command clears only the parser configuration lock. The following is a sample RPC that shows the operation: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/prog/configuration/1610/b_1610_programmability_cg/configuring_yang_datamodel.html#ariaid-title6

   Source: Adapted from community discussion — wqoiqw

   References

   • Cisco documentation

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2. Question 292 · 1003 in bank

   Which outcome is achieved with this Python code? client.connect (ip, port= 22, username= usr, password= pswd ) stdin, stdout, stderr = client.exec_command ( 'show ip bgp 192.168.101.0 bestpath\n ' ) print (stdout)

   • Aconnects to a Cisco device using SSH and exports the BGP table for the prefix
   • Bdisplays the output of the show command in a formatted way
   • Cconnects to a Cisco device using SSH and exports the routing table information
   • Dconnects to a Cisco device using Telnet and exports the routing table information

   Show answer

   Answer: A

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3. Question 293 · 1003 in bank

   What is the role of a fusion router in an SD-Access solution?

   • Aacts as a DNS server
   • Bprovides additional forwarding capacity to the fabric
   • Cperforms route leaking between user-defined virtual networks and shared services
   • Dprovides connectivity to external networks

   Show answer

   Answer: C

   Explanation

   C A Fusion device enables Virtual routing and forwarding (VRF) leaking across SD-Access Fabric domains, and enables host connectivity to shared services, such as DHCP, DNS, NTP, ISE, Cisco DNA Center, Wireless LAN Controllers (WLC), and similar. While this role can be performed by other devices than routers, this document focuses on routers as Fusion devices. Reference: https://www.cisco.com/c/en/us/support/docs/cloud-systems-management/dna-center/213525-sda-steps-to-configure-fusion-router.html

   Source: Adapted from community discussion — Asymptote

   References

   • Cisco documentation

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4. Question 294 · 1003 in bank

   

   Refer to the exhibit. Which JSON syntax is derived from this data?

   • A{[{'First Name': 'Johnny', 'Last Name': 'Table', 'Hobbies': ['Running', 'Video games']}, {'First Name': 'Billy', 'Last Name': 'Smith', 'Hobbies': ['Napping', 'Reading']}]}
   • B{'Person': [{'First Name': 'Johnny', 'Last Name': 'Table', 'Hobbies': 'Running', 'Video games'}, {'First Name': 'Billy', 'Last Name': 'Smith', 'Hobbies': 'Napping', 'Reading'}]}
   • C{[{'First Name': 'Johnny', 'Last Name': 'Table', 'Hobbies': 'Running', 'Hobbies': 'Video games'}, {'First Name': 'Billy', 'Last Name': 'Smith', 'Hobbies': 'Napping', 'Reading'}]}
   • D{'Person': [{'First Name': 'Johnny', 'Last Name': 'Table', 'Hobbies': ['Running', 'Video games']}, {'First Name': 'Billy', 'Last Name': 'Smith', 'Hobbies': ['Napping', 'Reading']}]}

   Show answer

   Answer: D

   Explanation

   Answer D I verified the code on the site https://jsonlint.com Before testing please put every string between quotation mark. for example: "Person" : so on

   Source: Adapted from community discussion — Broekie

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5. Question 295 · 1003 in bank

   Based on the output below, which Python code shows the value of the "upTime" key?

   

   • Ajson_data = response.json() print(json_data['response'][0]['upTime'])
   • Bjson_data = response.json() print(json_data[response][0][upTime])
   • Cjson_data = json.loads(response.text) print(json_data['response']['family']['upTime'])
   • Djson_data = response.json() print(json_data['response'][family]['upTime'])

   Show answer

   Answer: A

   Explanation

   The correct answer is A. The dictionary attributes are strings, so they would need to be addressed with quotations. B implies that variables are being specified as the attribute identifiers.

   Source: Adapted from community discussion — hsjfjbdlw

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6. Question 296 · 1003 in bank

   Refer to the exhibit.

   

   What is the JSON syntax that is formed from the data?

   • A{Name: Bob Johnson, Age: 75, Alive: true, Favorite Foods: [Cereal, Mustard, Onions]}
   • B{ג€Nameג€: ג€Bob Johnsonג€, ג€Ageג€: 75, ג€Aliveג€: true, ג€Favorite Foodsג€: [ג€Cerealג€, ג€Mustardג€, ג€Onionsג€]}
   • C{'Name': 'Bob Johnson', 'Age': 75, 'Alive': True, 'Favorite Foods': 'Cereal', 'Mustard', 'Onions'}
   • D{ג€Nameג€: ג€Bob Johnsonג€, ג€Ageג€: Seventyfive, ג€Aliveג€: true, ג€Favorite Foodsג€: [ג€Cerealג€, ג€Mustardג€, ג€Onionsג€]}

   Show answer

   Answer: B

   Explanation

   None of them is correct: the right answer is" {“Name”: “Bob Johnson”, “Age”: 75, “Alive”: true, “Favorite Foods”: [“Cereal”, “Mustard”, “Onions”]}

   Source: Adapted from community discussion — AliMo123

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7. Question 297 · 1003 in bank

   Which JSON syntax is valid?

   • A{ג€switchג€: ג€nameג€: ג€dist1ג€, ג€interfacesג€: [ג€gig1ג€, ג€gig2ג€, ג€gig3ג€]}
   • B{/ג€switch/ג€: {/ג€name/ג€: ג€dist1ג€, /ג€interfaces/ג€: [ג€gig1ג€, ג€gig2ג€, ג€gig3ג€]}}
   • C{ג€switchג€: {ג€nameג€: ג€dist1ג€, ג€interfacesג€: [ג€gig1ג€, ג€gig2ג€, ג€gig3ג€]}}
   • D{'switch': ('name': 'dist1', 'interfaces': ['gig1', 'gig2', 'gig3'])}

   Show answer

   Answer: C

   Explanation

   Admin! Could you please fix the symbols! (At my time of writting, the quotation marks are replaced with this weird symbols! (, ג€) It makes it really goddamn hard to read!)

   Source: Adapted from community discussion — PureInertiaCopy

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8. Question 298 · 1003 in bank

   What is the structure of a JSON web token?

   • Athree parts separated by dots: header, payload, and signature
   • Bthree parts separated by dots: version, header, and signature
   • Cheader and payload
   • Dpayload and signature

   Show answer

   Answer: A

   Explanation

   Reference: https://auth0.com/docs/tokens/references/jwt-structure

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9. Question 299 · 1003 in bank

   A response code of 404 is received while using the REST API on Cisco DNA Center to POST to this URI: /dna/intent/api/v1/template-programmer/project What does the code mean?

   • AThe POST/PUT request was fulfilled and a new resource was created. Information about the resource is in the response body.
   • BThe request was accepted for processing, but the processing was not completed.
   • CThe client made a request for a resource that does not exist.
   • DThe server has not implemented the functionality that is needed to fulfill the request.

   Show answer

   Answer: C

   Explanation

   Reference: https://www.cisco.com/c/en/us/td/docs/cloud-systems-management/application-policy-infrastructure-controller-enterprise-module/1-2-x/config-guide/ b_apic-em_config_guide_v_1-2-x/b_apic-em_config_guide_v_1-2-x_chapter_01001.html

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10. Question 300 · 1003 in bank

    Select 2

    Which two operations are valid for RESTCONF? (Choose two.)

    • APULL
    • BPUSH
    • CPATCH
    • DREMOVE
    • EADD
    • FHEAD

    Show answer

    Answer: CF

    Explanation

    Reference: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/prog/configuration/166/b_166_programmability_cg/b_166_programmability_cg_chapter_01011.html

    Source: Adapted from community discussion — RHK0783

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350-401 practice, question 291. 1003 questions available.