What is an imperative procedure?

An ordered sequence of commands that is used to reach a specific end state.

A set of commands that require administrator privileges and can only be executed on a local system.

A set of commands that is piped to a remote host and immediately executed.

A set of commands that examines a target and only performs the tasks needed to achieve the desired state.

A network engineer is learning about Rest APIs. When executing a particular API, the server responds with curl. How is this information useful?

Curl shows the information the API returned from the server.

Curl shows the retrieved information in JSON format.

Curl shows how to access the content displayed in the response body using curl.

Curl shows the URL used in the API request.

A Linux administrator is attempting to use a terminal to configure the network interface card on a computer. The administrator receives a message that the administrator does not have necessary permissions to perform the configuration. What should be done prior to the configuration command?

Identify a different network interface

Change the chmod permissions on the network configuration file

How is an error budget calculated in the DevOps/SRE culture?

An error budget is the difference between the SLO and the SLI.

An error budget is the difference between the SLO and 100% availability.

An error budget is the difference between the SLO and the SLA.

An error budget is the difference between the and 100% availability.

What is an unopinionated component in a software ecosystem?

a component that does not show an increased preference for specific companion components or architectures unless those components or architectures are necessary

a component that is classified as open-source and does not require the implementation of specific vendor products

a component that may function in a limited ability in order to compensate for the selection of companion components or architectures

a component that requires a specific companion component in order to provide full-stack implementation

What type of address is 01-00-5E-0A-00-02?

an address that reaches a specific group of hosts

an address that reaches every host in the network

an address that reaches every host inside a local subnet

an address that reaches one specific host

A developer issues the Linux command pip3 freeze in an activated Python 3 virtual environment. What is the function that is provided by the command?

to output a list of installed Python packages

to lock the current virtual environment

to prepare the environment before installing a Python package

to deactivate the current virtual environment

In the use of container technologies, what is a function of platform abstraction when considering the deployment of a product in a cloud environment?

A containerized app can run on a generically-specified host environment.

Traditional complementary software components such as a database server and web server would be implemented as a single containerized application.

Applications require re-engineering in order to implement scalability and consolidation.

Applications are aware of underlying hardware configurations and are customized to provide increased functionality.

A network engineer needs to review the status of all network interfaces of a server running a Linux operating system. The engineer enters the command ifconfig -a. What is the result of this command?

Both active and inactive interfaces will display information.

All active interfaces will display information.

The ARP table of the computer will be displayed.

The host routing table will be displayed.

What will a host on an Ethernet network do if it receives a frame with a unicast destination MAC address that does not match its own MAC address?

It will remove the frame from the media.

It will forward the frame to the next host.

It will strip off the data-link frame to check the destination IP address.

What resources are available in the Cisco DevNet Code Exchange?

a repository of sample code written by other developers

production-like development and code testing environments

support for developer-related issues using forums and live chats

self-paced tutorials that cover a wide range of automation and integration topics

Which statement is a characteristic of the broken access control threat to web applications?

It allows users to circumvent existing authentication requirements.

It allows attackers to access, and potentially change, serialized versions of data and objects.

It allows an attacker to use the dynamic functions of a site to inject malicious content into the page.

It allows attackers to steal sensitive information such as passwords or personal information.

A student is setting up the DEVASC-LAB VM and CSR1000v VM in VirtualBox that is installed on the local computer. Both VMs are imported to the VirtualBox successfully. The student starts both VMs and tries to verify communication to the CSR1000v virtual router by opening a web browser on the local computer and enters the URL https://192.168.56.101. After a few seconds, an error message displays that “The connection has timed out”. How can the student verify the IP address assigned by DHCP to the CSR1000v virtual router?

Issue the ifconfig command in the CSR1000v VM.

Issue the ping 192.168.56.101 command on the local computer.

Issue the show ip interface brief command in the CSR1000v VM.

Issue the show running-config command in the CSR1000v VM.

What is one advantage of using the cut-through switching method instead of the store-and-forward switching method?

Has a lower latency appropriate for high-performance computing applications

Makes a fast forwarding decision based on the source MAC address of the frame

Provides the flexibility to support any of Ethernet speeds

Has a positive impact on bandwidth by dropping most of the invalid frames

In which situation would asynchronous API be used?

When the original API request or data from the request is delayed

When a server is not part of the process

When data is being retrieved from a database

When the client is not required to take action

Which statement describes the declarative static model?

A declarative model will examine present circumstances and bring real infrastructure into alignment in order to reach a desired state.

A declarative model will execute code that is sequentially task-driven instead of focusing on deployment-specific details.

A declarative model will follow a specific order of sequential steps in order to effect changes on a target system.

A declarative model will subdivide code into top-down sections and condition-driven handlers.

What is the most common cause of IT outages?

an engineer misconfiguring a device or network with manual changes

a threat actor targeting the enterprise equipment

an experienced engineer implementing a configuration using automation

an experienced engineer using an open-source product

What is the function of the Nslookup utility?

to manually query the name servers to solve a given hostname

to manually force a client to send a DHCP request

to display all cached DNS entries on a host

to view the network settings on a host

What is the historical correlation between software developers and IT operations?

Developers had the job of creating applications. Operations had the job of verifying that these applications work for users.

Operations had the job of brainstorming applications. Developers had the job of testing that these applications work for users and the business.

Operations had the job of testing applications. Developers had the job of implementing these applications for clients.

Developers had the job of testing applications. Operations had the job of implementing these applications for clients.

What is displayed after the following code is entered into a Python interpreter? addition = 22 +10 print(addition)

nothing ( because the print command is wrong)

(syntaxerror)-…as there should not be a space between the numerical values

Auser issues the Linux command ls-l myfile.sh to check the permission of the file myfile.sh . devasc@labvm:~/Documents$ ls-l myfile.sh -rwxr-xr-- 1 self test 15 Mar 30 21:24 myfile.sh Which two statements describe the permissions assigned to the file? (Choose two.)

The user with the user ID of self can modify the file.

Any user in the test group can execute the file

The user with the user ID of devasc can modify the file.

All users can execute the file.

Anyuserin the self group can read, modify, and execute the file.

Auser enters the commands as shown. What is the result after the mv command is entered? devasc@labvm:~/Documents$ pwd /home/devasc/Documents devasc@labvm:~/Documents$ mv myfile.sh ../Desktop/ myfile2.sh

Thefile myfile.sh is moved to the /home/devasc/Desktop directory and renamed as myfile2.sh

Thefile myfile.sh is copied and renamed to myfile2.sh in the current directory.

Thefile myfile.sh is copied to the /home/devasc/Desktop directory and replaces the file myfile2.sh .

Thefile myfile.sh is copied to the /home/devasc/Desktop directory and renamed as myfile2.sh

Astudent new to Python is working in the interactive interpreter mode. The student issues the commands: >>> devicenames=["RT1", "RT2", "SW1", "SW2"] >>> hostnames=devicenames + ["RT3", "SW3"] >>> del hostnames[3] >>> hostnames What is the result?

[‘RT1’, ‘RT2’, ‘SW1’, ‘RT3’, ‘SW3’]

[‘RT1’, ‘RT2’, ‘SW1’, ‘SW2’, ‘SW3’]

[‘RT1’, ‘RT2’, ‘SW2’, ‘RT3’, ‘SW3’]

[‘RT1’, ‘RT2’, ‘RT3’, ‘SW2, ‘SW3’]

Astudent is learning Python in the interactive interpreter mode. The student issues the commands: >>> y=2 >>> y*3 6 >>> 'Test'*y What is the result?

TypeError: A string type cannot be multiplied by an integer.

Astudent is learning Python and is reviewing a Python script as follows: aclNum = int(input("What is the IPv4 ACL number? ")) if aclNum >= 1 and aclNum <= 99: print("This is a standard IPv4 ACL.") elif aclNum >=100 and aclNum <= 199: print("This is an extended IPv4 ACL.") else: print("This is not a standard or extended IPv4 ACL.") Under which condition will the elif statement be evaluated?

whenthefirst print statement fails

Linux System Administration Quiz

Authored by Minase Aoi

Computers

12th Grade

Used 2+ times

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75 questions

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MULTIPLE SELECT QUESTION

30 sec • 1 pt

What are two requirements when participating in the DevNet Learning Labs? (Choose two.)

The user must successfully login with a DevNet account.

The user must have successfully passed the 200-901 DEVASC exam.

The user must have an active internet connection.

The user must have purchased the DevNet Learning Labs activation license.

The user must install a developer environment on a local computer.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

What are three major areas that comprise DevNet? (Choose three.)

interactive and collaborative developer community

integrated community forums

on-line training site for various technology vendors

coordinated developer tools

automation and programmability standards development area

MULTIPLE SELECT QUESTION

30 sec • 1 pt

What are two characteristics of the Git version control system? (Choose two.)

It is Microsoft proprietary.

It is a Open Source.

It is a centralized VCS.

It is a distributed VCS.

It is Cisco proprietary.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Which two OSI model layers have the same functionality as two layers of the TCP/IP model? (Choose two.)

physical

datalink

network

transport

session

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A system administrator issues the apt-get upgrade command on a Linux operating system. What is the purpose of this command?

Every application installed will update itself to the latest version.

Operating system updates are downloaded and will be installed.

The remote repository of applications and dependencies will be updated to the latest version.

A specific application named upgrade will be installed.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which technology is used to containerize applications and allow them to run in a variety of environments?

Docker

GitHub

VirtualBox

CiscoDNA

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In reviewing a formalized agreement between an organization and a customer, what is the purpose of an SLI?

An SLI is a specific set of steps for slowing releases as errors occur.

An SLI is an easy to complete, external agreement that is set between the organization and the customer.

An SLI is a benchmark metric used to determine and describe SLOs.

An SLI is an agreed-upon number of errors per unit time.

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Linux System Administration Quiz

What are two requirements when participating in the DevNet Learning Labs? (Choose two.)

What are three major areas that comprise DevNet? (Choose three.)

What are two characteristics of the Git version control system? (Choose two.)

Which two OSI model layers have the same functionality as two layers of the TCP/IP model? (Choose two.)

A system administrator issues the apt-get upgrade command on a Linux operating system. What is the purpose of this command?

Which technology is used to containerize applications and allow them to run in a variety of environments?

In reviewing a formalized agreement between an organization and a customer, what is the purpose of an SLI?

What command can a technician use on a computer to see if DNS is functioning properly?

Which solution improves web response time by deploying multiple web servers and DNS servers?

What is a philosophy for software deployment used in the field of DevOps?

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