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问题 #1

Which statement describes an asynchronous API communication?

A. Asynchronous communication waits for a response.

B. Synchronous communication is with a central orchestrator.

C. It is not necessary to wait for availability of a resource.

D. An application can freeze if there is no response from a request.

正确答案：C

问题 #2

Which two Python libraries are used to write a script to retrieve network device information using RESTCONF? (Choose two.)

A. PySNMP

B. requests

C. ncclient

D. YANG

E. json

正确答案：BE

问题 #3

An automation engineer has created a RESTCONF POST to configure network devices. Which two tasks are accomplished when the code is executed? (Choose two.)

A. If the specified configuration is already in the running configuration, the command is replaced by this request.

B. If the specified configuration is already in the running configuration, the command is not replaced by this request.

C. If the specified configuration is already executed in the running configuration, the command is merged with this request.

D. If the specified configuration is already in the running configuration, the command updates this request.

E. If the specified configuration is not on the device, the POST request creates it.

正确答案：D

问题 #4

An engineer must change from using NETCONF for streaming telemetry to telemetry data using gRPC framework because NETCONF uses XML for message and payload encoding. Which two messages and payload encodings does gNMI use? (Choose two.)

A. gNMI notifications with XML

B. protobuf notifications with XML

C. protobuf payload

D. JSON payload

E. gNMI notifications with JSON

正确答案：D

问题 #5

The Netmiko BaseConnection class contains a method called “send_config_set()”. Which two actions does this method perform on the device? (Choose two.)

A. It takes a filename parameter that executes commands contained in that file on the device.

B. It requires the user to explicitly send configure terminal and exit commands to the device to enter and exit configuration mode.

C. It automatically enters and exits configuration mode on the device.

D. It takes a Python iterable, such as a list of commands, and executes them in order on the device.

E. It saves the running configuration to the startup configuration after executing the configuration commands on the device.

正确答案：B

问题 #6

An engineer implements an automation with Cisco XTC. Which problem results in the 404 Not Found error code on the REST call?

A. The resource that you are trying to delete does not exist.

B. Port 8080 is not enabled on XTC.

C. XTC does not offer any APIs.

D. You must change the request method.

正确答案：B

问题 #7

What is the cause of the status of the interface subscription?

A. The router cannot establish a gRPC connection with the collector.

B. The sensor-group “Interface-Counters” does not contain a valid YANG path.

C. The router is waiting for a collector to dial in.

D. This is the expected state of an active subscription.

正确答案：A

问题 #8

XTC has been configured by an engineer. What does the IPv4 address represent on the snippet?

A. local address of the router on which it listens for PCEP

B. configured for the local peer for state synchronization

C. destination address of the router on which it listens for PCEP

D. configured for the remote peer for state synchronization

正确答案：A

问题 #9

What must be added after the last line of the Ansible playbook to check if the output contains “IOS-XR”?

A. wait_for: result[1] contains “IOS-XR”

B. wait_for: result[0] contains IOS-XR

C. notify: “IOS-XR”

D. wait_for_connection:

正确答案：D

问题 #10

What is the effect of the script on the device?

A. All interfaces except GigabitEthernet2 are reset to their default configurations.

B. It replaces the entire configuration for GigabitEthernet2 on the device using RESTCONF.

C. It merges the new configuration with the existing configuration on the device using RESTCONF.

D. It compares the configuration to the device. If it matches, the device sends back an HTTP 204 status code.

正确答案：D

问题 #11

What are two advantages of using Python virtual environments? (Choose two.)

A. They allow for multiple Python projects to use different versions of the same dependency without conflict.

B. They allow multiple Python applications to share virtual memory between subprocesses.

C. They allow for isolated environments where each can use a different version of Python.

D. They allow for all Python projects to utilize the same set of shared dependencies.

E. They allow for multiple virtual machines to share a single Python environment.

正确答案：AC

问题 #12

Refer to the exhibit. Which XML output is a valid instantiation of the YANG model? A) B) C) D)

A. Option A.

B. Option B.

C. Option C.

D. Option D.

正确答案：A

问题 #13

Which schema allows device configuration elements to be enclosed within a remote procedure call message when NETCONF is implemented?

A. JSON-RPC

B. XML

C. YAML

D. JSON

正确答案：AB

问题 #14

Using the provided XML snippet, which Xpath expression prints “Jane”?

A. //employee[1]/firstName/value()

B. //employee[0]/firstName/value()

C. //employee[1]/firstName/text()

D. //employee[0]/firstName/text()

正确答案：AC

问题 #15

Regarding the Python script using YDK, what is the result for a device that is running Cisco IOS XR Software?

A. retrieves the system time

B. configures the system time

C. prints the uptime of the CRUDService

D. prints the system uptime

正确答案：B

问题 #16

After this operation, what else is needed to change the hostname of the router to IOS-XR-SJC-19?

正确答案：CE

问题 #17

What is the result of the Ansible task?

A. It configures a Cisco IOS XR router with BGP AS65000 with two neighbors and redistributes OSPF into BGP.

B. It validates the BGP configuration on a Cisco IOS XR router, but it is a read-only module and cannot modify the configuration on the router.

C. It validates the BGP configuration on a Cisco IOS XE router, but it is a check mode-only network module and cannot modify the configuration on the router.

D. It configures a Cisco IOS router with BGP on AS500 and redistributes OSPF into BGP.

正确答案：D

问题 #18

When using Cisco YDK, which syntax configures the BGP ASN using OpenConfig BGP?

A. bgp.config.as_ = 65000

B. bgp.global_.config.as = 65000

C. bgp.global.config.as_ = 65000

D. bgp.global_.config.as_ = 65000

正确答案：AE

问题 #19

Which two URI entries are optional and functional in this RESTCONF URI structure? (Choose two.)

A. fragment

B. query

C. operation

D. api-entry

E. path

正确答案：B

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