QUESTION 1
An engineer must work on a project that already has a Git repository that other engineers are working on. The engineer wants to see all branches to track the history of the project. Which CLI command downloads a fresh copy of an existing Git repository named trex-core, including all its files and branches?

A. git checkout https://github.com/cisco-system-traffic-generator/trex-core.git
B. git fetch https://github.com/cisco-system-traffic-generator/trex-core.git
C. git pull https://github.com/cisco-system-traffic-generator/trex-core.git
D. git clone https://github.com/cisco-system-traffic-generator/trex-core.git

Correct Answer: D

QUESTION 2
Which Cisco network management platform is driven by the YANG model that is used for automation and orchestration of multivendor networks?

A. NSO
B. Cisco Catalyst Center (formerly DNA Center)
C. ACI
D. Cisco Catalyst SD-WAN

Correct Answer: A

QUESTION 3
When does a server return an HTTP 400 response code to the client?

A. when the server could not understand the request due to invalid syntax
B. when the server cannot find the requested resource
C. when the client requests a resource that is unavailable
D. when the client must authenticate itself to access the resource

Correct Answer: A

QUESTION 4
Which port does NETCONF use by default?

A. 22
B. 443
C. 822
D. 830

Correct Answer: D

QUESTION 5
What is an example of a cross-site request forgery attack?

A. forcing an existing authentication end user to perform unwanted actions on a web application
B. compromise of passwords, keys, or session tokens, or exploitation of other implementation flaws to assume the identity of another user
C. when unencrypted electronic documents that contain sensitive data are altered
D. when untrusted data is sent to an interpreter as part of a command or query

Correct Answer: A

QUESTION 6
A network development engineer must test devices in a network environment to meet these requirements:
1. Practice configuring Cisco CallManager.
2. Test for up to seven days.
3. Provide network domain and name resolution.
4. Provide a private environment.
5. Use in-lab automation tools.

Which Cisco DevNet resource must be used?

A. API documentation
B. Code Exchange
C. Reservation sandboxes
D. Learning Labs

Correct Answer: C

QUESTION 7
Which HTTP status code means that the server is aware that it has erred or cannot perform the requested method?

A. 500
B. 206
C. 408
D. 101

Correct Answer: A

QUESTION 8
What is a capability of Cisco Umbrella?

A. blocks malware, ransomware, and phishing from suspicious websites
B. monitors the behavior of suspicious files by using sandboxing
C. detects and blocks advanced persistent threats
D. identifies every device and every user ID across a network

Correct Answer: A

QUESTION 9
A company needs to deploy a platform with these requirements:
1. physically segregate resources
2. increase processing power
3. improve I/O performance

Which platform must be used?

A. Kubernetes
B. virtual machine
C. bare metal
D. container

Correct Answer: C

QUESTION 10
A development team needs to create a new application that uses a Cisco API. The team is concerned about performance and researches several design patterns. The team chooses MVC to address the concerns. What is an advantage of the MVC design pattern?

A. improved CI/CD workflow
B. increased source code reusability and extensibility
C. quicker documentation of the source code
D. increased team communication

Correct Answer: B

QUESTION 11
Which Webex API endpoint provides a list of all the Webex Spaces a person is a part of?

A. https://webexapis.com/v1/rooms
B. https://webexapis.com/v1/me/spaces
C. https://webexapis.com/v1/spaces
D. https://webexapis.com/v1/me/rooms

Correct Answer: A

QUESTION 12
Which functionality is included in device-level APIs for Cisco Nexus switches?

A. rule-based configuration
B. auto-healing
C. location-based changes
D. configuration changes

Correct Answer: D

QUESTION 13
Which type of threat occurs when an attacker is able to send hostile data to an interpreter within an application?

A. cross-site scripting
B. sensitive data exposure
C. broken authentication
D. injection

Correct Answer: D

QUESTION 14
What is an advantage of using network programmability?

A. It removes CLI access for devices.
B. It provides for more scalable and replicable network provisioning.
C. Manual configuration is faster.
D. No cloud abstraction occurs.

Correct Answer: B

QUESTION 15
While developing a real-time VoIP application on a Cisco Webex Teams platform, users report that their voice gets chopped or parts of the conversation drops out. Which network constraint is impacting the application?

A. delay
B. jtter
C. latency
D. ocapacity

Correct Answer: B

QUESTION 16
How do the processes used by the Agile methodology compare with the processes used by the Lean methodology?

A. Agile and Lean concentrate on optimizing the development process.
B. Agile concentrates on optimizing the development process, and Lean concentrates on optimizing the production process.
C. Agile and Lean concentrate on optimizing the production process.
D. Agile concentrates on optimizing the production process, and Lean concentrates on optimizing the development process.

Correct Answer: B

QUESTION 17
What are two benefits of using classes over functions when writing applications? (Choose two.)

A. increased performance
B. variable reusability
C. code organization
D. improved readability
E. increased compatibility

Correct Answer: BC

QUESTION 18
An new internal server has recently been deployed to host an application and has the configuration:
hostname :devnet
IP: 192.168.1.55
subnet mask: 255.255.255.0

A test automation script fails to connect 1 out of every 2 times it is executed and this behavior is seen from different clients. Which networking device is causing the fault?

A. load balancer
B. switch
C. router
D. client machine

Correct Answer: A

QUESTION 19
Which platform is used to organize and connect all the areas of a network including services?

A. Cisco ACI
B. Cisco NSO
C. Cisco Catalyst SD-WAN
D. Cisco Catalyst Center (formerly DNA Center)

Correct Answer: D

QUESTION 20
What is a characteristic of VLANs?

A. A local-link address helps devices interact on the same VLAN.
B. Layer 2 broadcast domains are separated by VLANs.
C. A permanent IP address is assigned to the host using a VLAN.
D. VLANs route packets based on data in the routing table.

Correct Answer: B