Question 1

Users cannot access a webserver and after the traffic is captured, the capture tool shows an ICMP packet that reports "communication administratively prohibited". What is the cause of this webserver access issue?

Accepted Answer

An ICMP "communication administratively prohibited" message typically indicates that an access control list (ACL) or firewall rule is blocking the traffic.

Question 2

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?

Accepted Answer

Jitter refers to the variation in packet arrival times, which can cause voice packets to arrive out of order or at irregular intervals, leading to choppy audio in real-time VoIP applications.

Question 3

Which service provides a directory lookup for IP addresses and host names?

Accepted Answer

DNS is a directory lookup service for IP addresses and host names.

Question 4

A small company has 5 servers and 50 clients. What are two reasons an engineer should split this network into separate client and server subnets? (Choose two.)

Accepted Answer

Splitting the network into subnets can help limit the impact of failures to specific domains, and using a router between subnets can control and limit traffic types, improving network performance and security.

Question 5

What is a benefit of organizing code into modules?

Accepted Answer

The answer of What is a benefit of organizing code...

Question 6

A local Docker alpine image has been created with an image ID of a391665405fe and tagged as "latest". Which command creates a running container based on the tagged image, with the container port 8080 bound to port 80 on the host?

Accepted Answer

The `docker run` command is used to create and start a new container from an image. The `-p` flag is used to bind a port on the host to a port on the container.

Question 7

How does a developer create and switch to a new branch called "my-bug-fix" to develop a product fix?

Accepted Answer

The answer of How does a developer create and switch...

Question 8

A 401 HTTP response code is returned when calling a REST API. What is the error state identified by this response code?

Accepted Answer

A 401 HTTP response code indicates that the request requires user authentication. The client must authenticate itself to get the requested response.

Question 9

Refer to the exhibit.  What is the value of the node defined by this YANG structure?

Accepted Answer

The answer of Refer to the exhibit.  What is...

Question 10

What is the function of an IP address in networking?

Accepted Answer

An IP address is a unique identifier assigned to each device on a network. It allows devices to communicate with each other and access resources on the network.

Question 11

What is used in Layer 2 switches to direct packet transmission to the intended recipient?

Accepted Answer

Layer 2 switches use MAC addresses to direct packet transmission to the intended recipient within a local network.

Question 12

What are two advantages of YANG-based approaches for infrastructure automation? (Choose two.)

Accepted Answer

YANG provides multi-platform vendor abstraction, allowing for consistent management across different devices. It is also designed to reflect networking concepts, making it suitable for network configuration and management.

Question 13

What is the first development task in test-driven development?

Accepted Answer

In test-driven development, the first step is to write a failing test case for the desired function. This helps to define the function's requirements and ensures that the subsequent code development is focused on passing this test.

Question 14

What is a benefit of using edge computing in an IoT implementation?

Accepted Answer

The answer of What is a benefit of using edge...

Question 15

Where is an IP packet routed if the packet does not match any routes in the routing table?

Accepted Answer

If an IP packet does not match any specific routes in the routing table, it is routed to the default gateway, which is a catch-all route for packets with no specific destination.

Question 16

What are two key capabilities of Cisco Finesse? (Choose two.)

Accepted Answer

Cisco Finesse allows agents to access it via a web browser without needing client-side installations, and it provides gadget containers for a unified user interface experience.

Question 17

After a project is migrated to a new codebase, the "old_project" directory must be deleted. This directory has multiple read-only flies, and it must be deleted recursively without prompting for confirmation. Which Bash command must be used?

Accepted Answer

The command `rm -rf old_project` is used to forcefully and recursively delete the "old_project" directory along with its contents, including read-only files, without prompting for confirmation.

Question 18

What operation is performed with YANG model-driven programmability in NX-OS?

Accepted Answer

YANG model-driven programmability in NX-OS is used to configure devices using both native and OpenConfig-based models, allowing for standardized and flexible network management.

Question 19

Refer to the exhibit.  What is the result of executing this Ansible playbook?

Accepted Answer