Which of the following statements are true about Jenkins? (Choose two correct answers.)
AJenkins is specific to Java based applications.
BJenkins can delegate tasks to slave nodes.
CJenkins only works on local files and cannot use SCM repositories.
DJenkins' functionality is determined by plugins.
EJenkins includes a series of integrated testing suites.
Which of the following information is contained in the output of git status? (Choose three correct answers.)
AChanged files that will not be part of the next commit.
BLocked files which cannot be edited until the lock is released.
CChanged files that will be part of the next commit.
DUnchanged files which have not been edited locally.
EUntracked files which are not subject to version control.
Which of the following commands lists the cookbooks available on a Chef server?
Akitchen cookbook list
Bchef-client cookbook list
Cchef-server cookbook list
Dchef-solo cookbook list
Eknife cookbook list
Given the following excerpt of a Dockerfile:
Run apt-get ""y update && apt-get install ""y fortunes && apt-get clean
Why are the multiple apt-get commands combined in one RUN statement instead of using multiple RUN statements?
ATo prevent the commands from running in parallel because Docker executes all RUN statements in their own container at the same time.
BTo ensure the execution order of the commands because Docker might evaluate the statements of a Dockerfile in any order.
CTo avoid the creation of unnecessary images because Docker creates a new image for each RUN statement.
DTo execute both commands in the same container instance and void Docker to reset the container to the original base image.
ETo execute the apt-get install command only if the apt-get update command was successful because Docker does not check the success of RUN statements.
Question 6
701.1 Modern Software Development
0
Question 7
703.2 Basic Kubernetes Operations
Question 8
702.1 Application Container Management
Question 9
701.1 Modern Software Development
Question 10
703.3 Kubernetes Package Management
Question 11
703.1 Kubernetes Architecture and Usage
Question 12
702.1 Application Container Management
Question 13
702.1 Application Container Management
Question 14
704.2 Prometheus Monitoring
Question 15
704.1 Cloud Native Security
Question 16
702.3 Container Image Building
Question 17
701.2 Standard Components and Platforms for Software
Question 18
701.4 Continuous Integration and Continuous Delivery
Question 19
701.4 Continuous Integration and Continuous Delivery
Question 20
702.2 Container Orchestration
Question 21
704.3 Log Management and Analysis
Question 22
704.3 Log Management and Analysis
Question 23
704.3 Log Management and Analysis
Question 24
701.2 Standard Components and Platforms for Software
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Which of the following goals are favored by agile software development methodologies? (Choose two correct answers.)
ASelf-organization of teams.
BCentral governance and control.
CFlexibility of processes.
DAbsolute planning adherence.
ELong-term release and feature management.
Consider the following Kubernetes Deployment:
With the ReplicaSet:
And the Pods:
What happens if one of the Pods is terminated with the command kubect1 pod delete?
AThe remaining Pods are stopped and the Deployment switches to the state Failed.
BThe number of replicas in the ReplicaSet is changed to 4.
CThe ReplicaSet immediately starts a new replacement Pod.
DThe remaining Pods are stopped and a new ReplicaSet is started.
EThe Deployment switches to the state Degraded.
The following command is issued on two docker nodes:
docker network create --driver bridge isolated_nw
Afterwards, one container is started at each node with the parameter --network=isolated_nw. It turns out that the containers can not interact with each other.
What must be done in order to allow the containers to interact with each other? (Choose two correct answers.)
AUse a host network instead of a bridged network.
BAdd the option --inter-container to the docker network create command.
CStart the containers on the same node.
DChange the --network parameter of docker create to --network=isolated_nw,nofence.
EUse an overlay network instead of a bridged network.
An Ansible variable file contains the following content:
myapp:
option1: one
Which of the following strings can be used to reference the defined variable? (Choose two correct answers).
Amyapp(option1);
Boption1@myapp
Cmyapp["˜option1']
Dmyapp.option1
Emyapp{{option1}}
Which of the following functions are provided by the Ansible apt module? (Choose two correct answers.)
AUpdate an installed package to the latest version.
BUpdate the list of available packages from configured repositories.
CRe-compile an installed package from the source code.
DAdd the URL of a new repository to the package manager configuration.
EInstall a dpkg based Linux distribution on an empty target system.
FILL BLANK -
Which elements exist on the highest level of the definition of every Kubernetes Objects? (Specify the name of one of the elements, without any values.)
Which of the following tasks are completed by docker-compose down when it is used with additional parameters? (Choose two correct answers.)
ADelete all volumes defined in the composer file.
BDelete all containers defined in the composer file.
CDelete all networks defined in the composer file.
DDelete all images used in the composer file from the Docker nodes.
EDelete all images built from the composer file from their registry.
FILL BLANK -
Which statement in a Dockerfile defines which command should be started in the container by default when it is started? (Specify ONLY the statement's name without any values or parameters.)
How does Prometheus gather information about monitored hosts and services?
AIt implements the ICMP and SNMP protocols to ping and query remote services.
BIt opens a webhook where monitored applications have to submit various metrics.
CIt uses HTTP to retrieve JSON encoded metrics from the monitored objects.
DIt queries a relational database for metrics written to the database by monitored applications.
EIt runs scripts on the Prometheus server which perform tests and return various metrics.
A service should be provided to arbitrary clients on the Internet using HTTPS. Any standard client on the Internet should be able to consume the service without further configuration. Which of the following approaches can be used to implement these requirements? (Choose three correct answers.)
AConfigure the web servers to not use a server certificate when serving HTTPS.
BGenerate a self-signed certificates during the deployment of each backend server.
CUse a certificate issuing service to request certificates during each server deployment.
DUse a load balancer that decrypts incoming requests and passes them on in plain HTTP.
EInstall a wildcard certificate and the respective private key on all the backend servers.
Which of the following sections must exist in a Packer template?
Aimages
Bprovisioners
Cbuilders
Dvariables
Epost-processsors
How is cloud-init integrated with a managed system image?
Acloud-init provides the cloud-init-worker command which has to be invoked periodically within the running instance.
Bcloud-init provides systemd units which must be included in several stages of the booting process of the instance.
Ccloud-init provides its own startup mechanism which replaces the instance's original init system, such as systemd.
Dcloud-init provides a Linux kernel module that must be included and loaded in the instance's initramfs.
Ecloud-init provides the cloud-init-daemon service which is launched during startup and keeps the instance in sync with the desired configuration.
Which of the following kinds of data are suitable as artifacts in a continuous delivery pipeline? (Choose three correct answers.)
AExecutable applications such as .exe files or .jar packages.
BCopies of the contents of source code repositories.
CBuild configuration files such as Makefiles or Maven configurations.
DCompiled packages to be installed by a Linux package manager.
EDocker container images which contain an application.
What statement is true regarding the Swarm service created by the following command? docker service create --name myweb --network webnet --mode global nginx
AIt runs exactly one time in the Swarm and cannot be scaled.
BIt runs exactly once on each node in a Swarm.
CIt runs on one node by default and can be scaled to an arbitrary number of replicas.
DIt runs on all nodes which provide the network webnet.
EIt runs only on those nodes which support the network type global.
A recently installed application writes log data to /opt/app/log/info.log. If Filebeat is already installed and set up for communication with a remote Logstash, what has to be done in order to submit the log data of the new application to Logstash?
AAdd an additional input channel with the option source => "/opt/app/log/info.log" to the Logstash configuration.
BConfigure logrotate to execute filebeat ""I /opt/app/log/info.log 0 after each rotation of /opt/app/log/info.log.
CAdd the log file to the path option within the log prospector in the Filebeat configuration and restart Filebeat.
DAdd a new cron job that invokes filebeat ""i /opt/app/log/info.log periodically.
EReplace /opt/app/log/info.log by a symbolic link to /dev/filebeat and restart the new application.
Which of the following tasks can Logstash fulfill without using other components of the Elastic Stack? (Choose three.)
AReceive log data from remote systems.
BStore log data persistently.
CAggregate log data over a period of time.
DProcess log data to extract information.
EForward log data to other services.
What must be the first line of a plain text user-data configuration containing YAML configuration for cloud-init?