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Cisco Certified DevNet Associate
200-901
DevNet Associate (DEVASC) Questions and Answers

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Viewing page 12 out of 14 pages

Viewing questions 111-120 out of questions

Questions # 111:

Refer to the exhibit.

Question # 111

Drag and Drop the code from the bottom onto the box where the code is missing on the Meraki Python script to create a new network

Question # 111

Options:

Answer

Answer:

Questions # 112:

What is an example of a network interface hardware address?

Options:

domain name

IP address

workstation name

MAC address

Answer

Explanation

A network interface hardware address, also known as a MAC (Media Access Control) address, is a unique identifier assigned to network interfaces for communications on the physical network segment.

Domain name: A human-readable address for network resources.

IP address: A logical address used for identifying devices on a network.

Workstation name: A human-readable name assigned to a computer.

MAC address: The correct answer, which is a hardware address assigned to a network interface.

[Reference: IEEE MAC Address, , ]

Questions # 113:

Which device is a system that monitors and controls incoming and outgoing network traffic based on predetermined security rules?

Options:

Switch

Router

Firewall

Load balancer

Answer

Explanation

A firewall is a network security device that monitors and controls incoming and outgoing network traffic based on predetermined security rules. It establishes a barrier between a trusted internal network and untrusted external networks, such as the Internet. Firewalls can be hardware-based or software-based. They are essential for network security as they help protect against threats and unauthorized access.

References:

Cisco DevNet Associate Exam Topics: Network Fundamentals (understand the role and function of firewalls in network security)

Cisco Networking Basics: Network Security Devices and Firewalls (explains the functions and importance of firewalls)

Questions # 114:

Which two items are Cisco DevNet resources? (Choose two.)

Options:

TAC support

Bitbucket

Sandbox

Software research

API Documentation

Answer

C, E

Explanation

[Reference: https://developer.cisco.com/, , Cisco DevNet provides several resources to help developers and network engineers learn, code, and manage their networks more effectively:, Sandbox: Cisco DevNet Sandboxes offer preconfigured environments to develop, test, and explore various Cisco technologies and APIs without needing physical hardware. These sandboxes are available 24/7 and provide instant access to a wide range of Cisco solutions., API Documentation: DevNet provides comprehensive API documentation for Cisco products and solutions, allowing developers to understand and use Cisco APIs effectively. This documentation includes detailed information about endpoints, parameters, request/response formats, and example code., Reference:, Cisco DevNet Associate Certification Guide: Chapter on Cisco DevNet Resources and Tools., Cisco DevNet Portal: Sandbox and API Documentation., =========================, ]

Questions # 115:

What are two security benefits of a Docker-based application?

Options:

easier to patch because Docker containers include only dependencies that the application requires

prevents information leakage that can occur when unhandled exceptions are returned in HTTP responses

allows for separation of application that traditionally run in the same host

natively secures access to secrets that are used by the running application

guarantees container images are secured and free of vulnerabilities

Answer

A, C

Explanation

Docker-based applications offer several security benefits:

Easier to Patch: Docker containers include only the dependencies required by the application, making it easier to identify and patch vulnerabilities. This minimizes the attack surface and simplifies the management of security updates.

Separation of Applications: Docker containers enable the separation of applications that traditionally run on the same host. This isolation improves security by reducing the risk of one compromised application affecting others on the same host.

References:

Cisco DevNet Associate Exam Topics: Software Development and Design (understand containerization and its benefits)

Docker Security Best Practices (explains the security benefits of using Docker containers)

Questions # 116:

Which line is an example of the start of a chunk from a unified diff?

Options:

@@ -90,88 +20191008T1349@@

@@ -20191007T1200 +88,90 @@

@@ -20191007T1200 +20191008T1349@@

@@ -88,10 +88,6 @@

Answer

Explanation

[Reference: https://unix.stackexchange.com/questions/252927/what-do-the-numbers-in-the-line-mean-in-output-of-diff, , A unified diff file shows differences between two files. Each chunk of changes starts with a line that provides the range of lines affected in the original and new files. The correct format is:, The - symbol indicates the starting line number and the number of lines in the original file., The + symbol indicates the starting line number and the number of lines in the new file., @@ -88,10 +88,6 @@ shows that the original file has a chunk starting at line 88 with 10 lines, and the new file has a chunk starting at line 88 with 6 lines., Reference: Unified Diff Format, , ]

Questions # 117:

Refer to the exhibit.

Question # 117

Which python data structure does my_json contain?

Options:

List

Json

Map

Dict

Answer

Explanation

[Reference: https://stackoverflow.com/questions/34764979/loading-python-string-with-u-as-json?noredirect=1&lq=1, In Python, the json.loads() function parses a JSON string and converts it into a Python data structure. The JSON string provided in the exhibit is:, {, "researcher": {, "name": "Ford Perfect",, "species": "Betelgeusian",, "relatives": [, {, "name": "Zaphod Beeblebrox",, "species": "Betelgeusian", }, ], }, }, When this JSON string is loaded using json.loads(), it is converted into a Python dictionary (dict). The structure will be:, {, "researcher": {, "name": "Ford Perfect",, "species": "Betelgeusian",, "relatives": [, {, "name": "Zaphod Beeblebrox",, "species": "Betelgeusian", }, ], }, }, Therefore, my_json will contain a dictionary (dict)., Reference: Python - json module, , ]

Questions # 118:

On which network plane is routing protocol traffic handled?

Options:

data plane

management plane

authentication plane

control plane

Answer

Explanation

Routing protocol traffic is handled on the control plane of a network device. The control plane is responsible for the exchange of routing information, the computation of the best paths, and the creation of the routing table. Protocols such as OSPF, BGP, and EIGRP operate at the control plane level to ensure that routers have the necessary information to make forwarding decisions. The data plane, on the other hand, is responsible for the actual forwarding of packets based on the routing table created by the control plane. More information on network planes can be found in the Cisco Networking Basics.

Questions # 119:

Drag and drop the network automation interfaces from the left onto the transport protocols that they support on the right. (Not all Options are used)

Question # 119

Options:

Answer

Answer:

Explanation

Grpc == http/2 , netconfig == ssh , restconfig == https

Questions # 120:

Which is an advantage of using network programmability?

Options:

It removes CLI access for devices.

It provides for more scalable and replicable network provisioning.

Manual configuration is faster.

No cloud abstraction occurs.

Answer

Explanation

Network programmability allows for automated, scalable, and replicable network provisioning and management. This reduces the need for manual configuration, minimizes human errors, and enables the implementation of consistent network policies across multiple devices and environments. By leveraging APIs and automation tools, network operations become more efficient and can easily adapt to changes in the network.

[Reference:, Cisco DevNet Associate Certification Guide: Chapter on Network Automation and Programmability., Cisco Whitepapers on the benefits of Network Programmability and Automation., , , ]

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