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Total 371 questions

Implementing Cisco Enterprise Network Core Technologies (350-401 ENCOR) v1.2 Questions and Answers

Question 1

Drag and drop the characteristics from the left onto the tools on the right. Not all options are used.

Options:

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Question 2

Which plane transports traffic between sites across the SD-WAN fabric?

Options:

A.

IPsec

B.

Management

C.

Data

D.

Control

Question 3

Which data format can be used for an API request?

Options:

A.

HTML

B.

PERL

C.

JSON

D.

Python

Question 4

What is a characteristic of VRRP?

Options:

A.

It inherently balances load amongst the available gateways.

B.

It ensures symmetric traffic flow upstream and downstream.

C.

It Is a Cisco proprietary protocol.

D.

It uses a virtual IP address and a virtual MAC address to achieve redundancy

Question 5

Which design principle states that a user has no access by default to any resource, and unless a resource is explicitly granted, it should be denied?

Options:

A.

economy of mechanism

B.

fail-safe defaults

C.

complete mediation

D.

least privilege

Question 6

Which protocol is implemented to establish secure control plane adjacencies between Cisco Catalyst SD-WAN nodes?

Options:

A.

IPsec

B.

TLS

C.

IKE

D.

ESP

Question 7

Which security option protects credentials from sniffer attacks in a basic API authentication?

Options:

A.

VPN connection between client and server

B.

TLS or SSL for communication

C.

AAA services to authenticate the API

D.

next-generation firewall

Question 8

What are two device roles in Cisco SD-Access fabric? (Choose two.)

Options:

A.

core switch

B.

vBond controller

C.

edge node

D.

access switch

E.

border node

Question 9

In a Cisco SD-WAN solution, which two functions are performed by OMP? (Choose two.)

Options:

A.

advertisement of network prefixes and their attributes

B.

configuration of control and data policies

C.

gathering of underlay infrastructure data

D.

delivery of crypto keys

E.

segmentation and differentiation of traffic

Question 10

Which method ensures the confidentiality of data exchanged over a REST API?

Options:

A.

Use TLS to secure the underlying HTTP session.

B.

Use me POST method Instead or URL-encoded GET to pass parameters.

C.

Deploy digest-based authentication to protect the access to the API.

D.

Encode sensitive data using Base64 encoding.

Question 11

What is the data policy in a Cisco SD-WAN deployment?

Options:

A.

list of ordered statements that define node configurations and authentication used within the SD-WAN overlay

B.

set of statements that defines how data is forwarded based on IP pocket information and specific VPNs

C.

detailed database mapping several kinds of addresses with their corresponding location

D.

group of services tested to guarantee devices and links liveliness within the SD-WAN overlay

Question 12

Refer to the exhibit.

Which configuration enables fallback to local authentication and authorization when no TACACS+ server is available?

Options:

A.

Router(config)# aaa fallback local

B.

Router(config)# aaa authentication login FALLBACK local

Router(config)# aaa authorization exec FALLBACK local

C.

Router(config)# aaa authentication login default local

Router(config)# aaa authorization exec default local

D.

Router(config)# aaa authentication login default group tacacs+ local

Router(config)# aaa authorization exec default group tacacs+ local

Question 13

Which common type of attack does a data center next-generation firewall protect against?

Options:

A.

DDoS protection

B.

Unauthorized analyzers

C.

Rogue APs

D.

Malicious or risky applications

Question 14

In a Cisco SD-Access solution, what is the role of a fabric edge node?

Options:

A.

to connect the fusion router to the SD-Access fabric

B.

to connect wired endpoints to the SD-Access fabric

C.

to advertise fabric IP address space to external networks

D.

to connect external Layer 3 networks to the SD-Access fabric

Question 15

Refer to the exhibit.

Which Python snippet stores the data structure of the device in JSON format?

Options:

A.

with open( " devices.json " , " w " ) as OutFile:

Devices = json.load(OutFile)

B.

OutFile = open( " devices.json " , " w " )

json.dump(Devices, OutFile)

OutFile.close()

C.

OutFile = open( " devices.json " , " w " )

OutFile.write(str(Devices))

OutFile.close()

D.

with open( " devices.json " , " w " ) as OutFile:

json.dumps(Devices)

Question 16

Which action is a function of VTEP in VXLAN?

Options:

A.

tunneling traffic from IPv6 to IPv4 VXLANs

B.

allowing encrypted communication on the local VXLAN Ethernet segment

C.

encapsulating and de-encapsulating VXLAN Ethernet frames

D.

tunneling traffic from IPv4 to IPv6 VXLANs

Question 17

Refer to the exhibit. Which action results from executing the Python script?

Options:

A.

display the unformatted output of a command that is entered on that device

B.

display the output of a command that is entered on that device in a single line

C.

SSH to the IP address that is manually entered on that device

D.

display the output of a command that is entered on that device

Question 18

What do Cisco DNA southbound APIs provide?

Options:

A.

interface between the controller and the network devices

B.

interface between the controller and the consumer

C.

NETCONF API interface for orchestrator communication

D.

RESTful API interface for orchestrator communication

Question 19

Drag and drop the characteristics from the left onto the orchestration tools they describe on the right.

Options:

Question 20

Why would an engineer use policy-based routing?

Options:

A.

To route video traffic using the shortest path to the destination

B.

To route video traffic through a dedicated link

C.

To use multicast for video traffic transmission

D.

To perform traffic shaping to avoid video traffic delay

Question 21

DRAG DROP. An engineer creates the configuration below. Drag and drop the authentication methods from the left into the order of priority on the right. Not all options are used.

R1#show run | include aaa

aaa new-model

aaa authentication login default group ACE group AAA_RADIUS local-case

aaa session-id common

Options:

Question 22

Which language defines the structure or modelling of data for NETCONF and RESTCONF?

Options:

A.

JSON

B.

YANG

C.

XML

D.

YAML

Question 23

At which plane does vBond operate in Cisco SD-WAN solutions?

Options:

A.

control plane

B.

data plane

C.

orchestration plane

D.

management plane

Question 24

How is traffic classified when using Cisco TrustSec technology?

Options:

A.

With the VLAN

B.

With the security group tag

C.

With the MAC address

D.

With the IP address

Question 25

Which network design principle should be followed to improve Layer 2 stability in an enterprise campus design?

Options:

A.

Extend all user VLANs throughout the access layer

B.

Extend only required user VLANs throughout the access layer

C.

Extend all user VLANs throughout the core layer

D.

Extend only required user VLANs throughout the aggregation layer

Question 26

Refer to the exhibit.

A network engineer is configuring QoS on router R1 to prioritize voice and video traffic with different DSCP values. What are two results of the configuration? (Choose two.)

Options:

A.

Scheduling will be applied on egress when the bandwidth reaches 50 percent.

B.

The DSCP1 marking will be changed to DSCP63 for packets entering interface Fa7/0/2.

C.

Queuing will be applied on egress when the bandwidth reaches 50 percent.

D.

The DSCP marking remains unchanged for packets entering interface Fa7/0/2.

E.

Classification is done on DSCP63-marked traffic when the bandwidth reaches 50 percent.

Question 27

Drag and drop the Cisco Catalyst Center (formerly DNA Center) northbound API characteristics from the left to the right. Not all options are used.

Options:

Question 28

What are two characteristics of Cisco SD-Access elements? (Choose two.)

Options:

A.

The border node has the full RLOC-to-EID mapping database.

B.

The border node is required for communication between fabric and nonfabric devices.

C.

The control plane node has the full RLOC-to-EID mapping database.

D.

Fabric endpoints are connected directly to the border node.

E.

Traffic within the fabric always goes through the control plane node.

Question 29

Which API does Cisco DNA Center use to retrieve information about images?

Options:

A.

SWIM

B.

Img-Mgmt

C.

PnP

D.

Client Health

Question 30

Drag and drop the command snippets from the bottom onto the boxes to configure an EEM applet to enable a previously shutdown interface and send an alert to alert@cisco.com .

Options:

Question 31

What does a YANG model provide?

Options:

A.

standardized data structure independent of the transport protocols

B.

creation of transport protocols and their interaction with the OS

C.

user access to interact directly with the CLI of the device to receive or modify network configurations

D.

standardized data structure that can be used only with NETCONF or RESTCONF transport protocols

Question 32

When does a Cisco StackWise primary switch lose its role?

Options:

A.

when a stack member fails

B.

when the stack primary is reset

C.

when a switch with a higher priority is added to the stack

D.

when the priority value of a stack member is changed to a higher value

Question 33

Which security feature does stateless authentication and authorization use for REST API calls?

Options:

A.

OAuth 2 tokens

B.

cookie-based session authentication

C.

API keys

D.

SSL/TLS certificate encryption

Question 34

Refer to the exhibit. What is the output of this code?

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

Question 35

Refer to the exhibit. Only administrators from the subnet 10.10.10.0/24 are permitted to have access to the router. A secure protocol must be used for the remote access and management of the router instead of clear-text protocols. Which configuration achieves this goal?

Options:

A.

access-list 23 permit 10.10.10.0 0.0.0.255

line vty 0 15

access-class 23 out

transport input all

B.

access-list 23 permit 10.10.10.0 255.255.255.0

line vty 0 15

access-class 23 in

transport input ssh

C.

access-list 23 permit 10.10.10.0 0.0.0.255

line vty 0 4

access-class 23 in

transport input ssh

D.

access-list 23 permit 10.10.10.0 0.0.0.255

line vty 0 15

access-class 23 in

transport input ssh

Question 36

Drag and drop the code snippets from the bottom onto the blanks in the script to convert a Python object into a JSON string. Not all options are used

Options:

Question 37

Which two functions is an edge node responsible for? (Choose two.)

Options:

A.

provides multiple entry and exit points for fabric traffic

B.

provides the default exit point for fabric traffic

C.

provides the default entry point for fabric traffic

D.

provides a host database that maps endpoint IDs to a current location

E.

authenticates endpoints

Question 38

What role does Auto-RP serve in a PIM network?

Options:

A.

Distributes IGMP traffic between sparse- and dense-mode PIM networks

B.

Automates the distribution of group-to-RP mappings

C.

Automates the configuration of leaf routers

D.

Performs the rendezvous point election

Question 39

What is a difference between OSPF and EIGRP?

Options:

A.

OSPF uses IP protocol number 88. EIGRP uses IP protocol number 89.

B.

OSPF uses a default hello timer of 5 seconds. EIGRP uses a default hello timer of 10 seconds.

C.

OSPF uses an administrative distance of 115. EIGRP uses an administrative distance of 160.

D.

OSPF uses multicast addresses 224.0.0.5 and 224.0.0.6. EIGRP uses multicast address 224.0.0.10.

Question 40

In a campus network design, what are two benefits of using BFD for failure detection ' ? (Choose two.)

Options:

A.

BFD speeds up routing convergence time

B.

BFD provides path failure detection in less than a second

C.

BFD provides fault tolerance by enabling multiple routers to appear as a single virtual router

D.

BFD is an efficient way to reduce memory and CPU usage

E.

BFD enables network peers to continue forwarding packets in the event of a restart

Question 41

Which method displays text directly into the active console with a synchronous EEM applet policy?

Options:

A.

event manager applet boomevent syslog pattern ' UP ' action 1.0 gets ' logging directly to console '

B.

event manager applet boomevent syslog pattern ' UP ' action 1.0 syslog priority direct msg ' log directly to console '

C.

event manager applet boomevent syslog pattern ' UP ' action 1.0 puts ' logging directly to console '

D.

event manager applet boomevent syslog pattern ' UP ' action 1.0 string ' logging directly to console '

Question 42

Refer to the exhibit.

Router R1 is configured as follows:

ntp server 192.168.1.1

ntp server 172.16.10.1

interface GigabitEthernet0/1

ip address 192.168.100.1 255.255.255.248

ntp broadcast

What is the result of the configuration?

Options:

A.

It allows interface G0/1 to receive NTP broadcast packets.

B.

It enables NTP in client mode.

C.

It allows interface G0/1 to send NTP broadcast packets.

D.

It allows interface G0/1 to send and receive NTP broadcast packets.

Question 43

Drag and drop the code snippets from the bottom onto the blanks in the Python script to print the device model to the screen and write JSON data to a file. Not all options are used

Options:

Question 44

An administrator is configuring NETCONF using the following XML string. What must the administrator end the request with?

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

Question 45

What is YANG used for?

Options:

A.

scraping data via CLI

B.

processing SNMP read-only polls

C.

describing data models

D.

prowling a transport for network configuration data between client and server

Question 46

Which solution supports end to end line-rate encryption between two sites?

Options:

A.

IPsec

B.

TrustSec

C.

MACSec

D.

GRE

Question 47

Refer to the exhibit. POSTMAN is showing an attempt to retrieve network device information from Cisco Catalyst Center (formerly DNA Center) API. What is the issue?

Options:

A.

The token has expired

B.

The URI string is incorrect

C.

Authentication has failed

D.

The JSON payload contains the incorrect UUID

Question 48

An engineer must create an EEM applet that sends a syslog message in the event a change happens in the network due to trouble with an OSPF process. Which action should the engineer use?

event manager applet LogMessage

event routing network 172.30.197.0/24 type all

Options:

A.

action 1 syslog send " OSPF ROUTING ERROR "

B.

action 1 syslog pattern " OSPF ROUTING ERROR "

C.

action 1 syslog write " OSPF ROUTING ERROR "

D.

action 1 syslog msg " OSPF ROUTING ERROR "

Question 49

Which characteristic applies to a traditional WAN solution but not to a Cisco Catalyst SD-WAN solution?

Options:

A.

Centralized reachability, security, and application policies

B.

Time-consuming configuration and maintenance

C.

Low complexity and increased overall solution scale

D.

Operates over DTLS/TLS-authenticated and secured tunnels

Question 50

What is one method for achieving REST API security?

Options:

A.

using a MD5 hash to verify the integrity

B.

using built-in protocols known as Web Services Security

C.

using HTTPS and TLS encryption

D.

using a combination of XML encryption and XML signatures

Question 51

Drag and drop the snippets onto the blanks within the code to construct a script that blocks a MAC address.

Options:

Question 52

In a Cisco SD-Access network architecture, which access layer cabling design is optimal for the underlay network?

Options:

A.

Switches are cross-finned at the same layer and have a single connection to each upstream distribution device

B.

Switches are connected to each upstream distribution and core device.

C.

Switches are connected to each upstream distribution device.

D.

Switches are cross-linked to devices at the same layer and at the upstream and downstream devices.

Question 53

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