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Cisco 200-901 Practice Test - Questions Answers, Page 37

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What is a benefit of using model-driven programmability for infrastructure automation?

A.

connected user tracking

A.

connected user tracking

Answers
B.

infrastructure resource optimization

B.

infrastructure resource optimization

Answers
C.

multiple device control protocols

C.

multiple device control protocols

Answers
D.

device performance monitoring

D.

device performance monitoring

Answers
Suggested answer: B

Explanation:

Model-driven programmability refers to using data models to define the desired state ofnetwork infrastructure and automate its configuration and management. This approach offersseveral benefits:Infrastructure Resource Optimization: Model-driven programmability allows for more efficientuse of network resources by ensuring consistent and optimal configurations. Automation drivenby data models helps in reducing human errors and improving the overall performance andutilization of the infrastructure.Consistency: Automated, model-driven configurations ensure that network devices areconsistently configured, reducing variability and the risk of misconfigurations.Scalability: It enables scalable automation solutions that can easily adapt to changing networkrequirements and topologies.

What is the function of an Ethernet switch in a networking environment?

A.

to switch a frame from one port to another port based on IP address

A.

to switch a frame from one port to another port based on IP address

Answers
B.

to switch a frame from one port to another port based on MAC address

B.

to switch a frame from one port to another port based on MAC address

Answers
C.

to provide IP addressing to connected hosts

C.

to provide IP addressing to connected hosts

Answers
D.

to block unwanted traffic

D.

to block unwanted traffic

Answers
Suggested answer: B

Explanation:


Which command reverses the last commit without changing the index file or the working tree position?

A.

git revert HEAD

A.

git revert HEAD

Answers
B.

git reset --hard HEAD~3

B.

git reset --hard HEAD~3

Answers
C.

git reset --soft HEAD^

C.

git reset --soft HEAD^

Answers
D.

git revert

D.

git revert

Answers
Suggested answer: C

Explanation:


Refer to the exhibit.

Refer to the exhibit. An engineer runs a network that consists of Cisco Nexus devices. The network is distributed between data centers in different locations. The switches are configured using standalone connections and a single point of failure. Which process is being automated by the Ansible playbook?

A.

enabling HSRP on the nxos_rtr inventory host

A.

enabling HSRP on the nxos_rtr inventory host

Answers
B.

enabling HSRP on the rtr-1a inventory host

B.

enabling HSRP on the rtr-1a inventory host

Answers
C.

executing HSRP configuration from the Ansible controller node

C.

executing HSRP configuration from the Ansible controller node

Answers
D.

executing HSRP configuration from the srv-1a inventory host

D.

executing HSRP configuration from the srv-1a inventory host

Answers
Suggested answer: A

Explanation:

The Ansible playbook in the exhibit is designed to automate the configuration of HSRP (HotStandby Router Protocol) on a Cisco Nexus switch listed in the nxos_rtr inventory group. Here'swhat the playbook does:Hosts: The playbook is targeting nxos_rtr hosts.Task: The task uses the nxos_hsrp module to configure HSRP.Parameters: Various parameters such as group, VIP, priority, interface, authentication, andversion are set for HSRP configuration.Delegation: The configuration is delegated to the srv-1a inventory host, but it is still targetingthe nxos_rtr for the actual HSRP configuration.Therefore, the playbook is enabling HSRP on the nxos_rtr inventory host

Refer to the exhibit.

Refer to the exhibit. A developer must use a token to collect data from Cisco DNA Center API and prepares a Python script to send requests. Which line of code needs to be placed on the snippet where the code is missing to obtain a token from the Cisco DNA Center API?

A.

token=BasicAuth(‘user’,‘password’))

A.

token=BasicAuth(‘user’,‘password’))

Answers
B.

auth=BasicAuth(‘user’,‘password’))

B.

auth=BasicAuth(‘user’,‘password’))

Answers
C.

auth=HTTPBasicAuth(user,password))

C.

auth=HTTPBasicAuth(user,password))

Answers
D.

token=HTTPBasicAuth(user,password))

D.

token=HTTPBasicAuth(user,password))

Answers
Suggested answer: C

Explanation:


To which stage of development do Infrastructure as Code principles relate?

A.

manual configuration

A.

manual configuration

Answers
B.

service provisioning

B.

service provisioning

Answers
C.

physical deployment

C.

physical deployment

Answers
D.

requirement collection

D.

requirement collection

Answers
Suggested answer: B

Explanation:


Refer to the exhibit.

Refer to the exhibit. An engineer must authorize a REST API call. The API password is "Cisco123!".

Which Bash command must be placed in the code to authorize the call?

A.

mkdir API_PASSWORD=Cisco123!

A.

mkdir API_PASSWORD=Cisco123!

Answers
B.

set API_PASSWORD=Cisco123!

B.

set API_PASSWORD=Cisco123!

Answers
C.

cp API_PASSWORD=Cisco123!

C.

cp API_PASSWORD=Cisco123!

Answers
D.

export API_PASSWORD=Cisco123!

D.

export API_PASSWORD=Cisco123!

Answers
Suggested answer: D

Explanation:


Which function does a router provide to a network?

A.

broadcast domain segmentation

A.

broadcast domain segmentation

Answers
B.

unique host on a Layer 3 network

B.

unique host on a Layer 3 network

Answers
C.

unique hardware address for every node on a LAN

C.

unique hardware address for every node on a LAN

Answers
D.

broadcast domain extension

D.

broadcast domain extension

Answers
Suggested answer: A

Explanation:

Routers play a crucial role in networking by providing several key functions, including:Broadcast Domain Segmentation: Routers separate broadcast domains, preventing broadcasttraffic from one network segment from spreading to another. This improves network efficiencyand reduces unnecessary traffic.Routing: Routers forward packets between different networks based on IP addresses, enablingcommunication between devices on different subnets or networks.

Network Address Translation (NAT): Routers can perform NAT, which allows multiple devices ona local network to share a single public IP address.

Which IP service is used to monitor the performance of network devices?

A.

SNMP

A.

SNMP

Answers
B.

DHCP

B.

DHCP

Answers
C.

DNS

C.

DNS

Answers
D.

NTP

D.

NTP

Answers
Suggested answer: A

Explanation:


Which IP service synchronizes the time across devices?

A.

DNS

A.

DNS

Answers
B.

NTP

B.

NTP

Answers
C.

SNMP

C.

SNMP

Answers
D.

NAT

D.

NAT

Answers
Suggested answer: B

Explanation:


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