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last one Flashcards

1
Q 
A company uses a cloud-based payroll system. Which cloud computing technology is this company using?
browser as a service (BaaS)
infrastructure as a service (IaaS)
software as a service (SaaS)
wireless as a service (WaaS)
A

*software as a service (SaaS)

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2
Q

For a data center, what is the difference in the server virtualization data traffic compared with the traditional client-server model?

Data traffic from clients will be routed to multiple virtual servers.
There are significant data exchanges between virtual servers.
There is more data traffic flowing from virtual servers to clients.
More network control traffic is generated between virtual servers and clients.

A

*There are significant data exchanges between virtual servers.

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3
Q

Which component in a traditional infrastructure device provides Layer 2 and Layer 3 functions to create data paths within a network?

data plane
control plane
adjacency table
forwarding information base

A

*control plane

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4
Q

Which network traffic management technology is a basic element in SDN implementations?

OpenFlow
OpenStack
IEEE 802.1aq
Interface to the Routing System

A

*OpenFlow

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5
Q

Which type of hypervisor would most likely be used in a data center?

Type 2
Type 1
Nexus
Hadoop

A

*Type 1

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6
Q

Which is a characteristic of a Type 1 hypervisor?​

installed directly on a server​
best suited for consumers and not for an enterprise environment
does not require management console software
installed on an existing operating system​

A

*installed directly on a server​

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7
Q

Which two layers of the OSI model are associated with SDN network control plane functions that make forwarding decisions? (Choose two.)​

Layer 1
Layer 2
Layer 3
Layer 4
Layer 5
A
  • Layer 2

* Layer 3

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8
Q

What pre-populates the FIB on Cisco devices that use CEF to process packets?

the routing table
the adjacency table
the ARP table
the DSP

A

*the routing table

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9
Q

hat is a function of the data plane of a network device?

sending information to the CPU for processing
building the routing table
resolving MAC addresses
forwarding traffic flows

A

*forwarding traffic flows

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10
Q

Which statement describes the concept of cloud computing?

separation of application from hardware
separation of management plane from control plane
separation of operating system from hardware
separation of control plane from data plane

A

*separation of application from hardware

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11
Q

What is a function of the data plane of a network device?

sending information to the CPU for processing
building the routing table
resolving MAC addresses
forwarding traffic flows

A

*forwarding traffic flows

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12
Q

Which statement describes the concept of cloud computing?

separation of application from hardware
separation of management plane from control plane
separation of operating system from hardware
separation of control plane from data plane

A

*separation of application from hardware

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13
Q

Which cloud model provides services for a specific organization or entity?

a public cloud
a hybrid cloud
a private cloud
a community cloud

A

*a private cloud

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14
Q

What two benefits are gained when an organization adopts cloud computing and virtualization? (Choose two.)

provides a “pay-as-you-go” model, allowing organizations to treat computing and storage expenses as a utility
enables rapid responses to increasing data volume requirements
distributed processing of large data sets in the size of terabytes
elimination of vulnerabilities to cyber attacks
increases the dependance on onsite IT resources

A
  • provides a “pay-as-you-go” model, allowing organizations to treat computing and storage expenses as a utility
  • enables rapid responses to increasing data volume requirements
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15
Q

Which type of Hypervisor is implemented when a user with a laptop running the Mac OS installs a Windows virtual OS instance?

type 2
virtual machine
type 1
bare metal

A

*type 2

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16
Q

A small company is considering moving many of its data center functions to the cloud. What are three advantages of this plan? (Choose three.)

The company only needs to pay for the amount of processing and storage capacity that it uses.
Cloud services are billed at a fixed fee no matter how much processing and storage are used by the company.
The company does not need to be concerned about how to handle increasing data storage and processing demands with in-house data center equipment.
The company can increase processing and storage capacity as needed and then decrease capacity when it is no longer needed.
Single-tenant data centers can easily grow to accommodate increasing data storage requirements.
Cloud services enable the company to own and administer its own servers and storage devices.

A
  • The company only needs to pay for the amount of processing and storage capacity that it uses.
  • The company does not need to be concerned about how to handle increasing data storage and processing demands with in-house data center equipment.
  • The company can increase processing and storage capacity as needed and then decrease capacity when it is no longer needed.
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17
Q

How does virtualization help with disaster recovery within a data center?

support of live migration
guarantee of power
improvement of business practices
supply of consistent air flow

A

*support of live migration

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18
Q

What technology allows users to access data anywhere and at any time?

Cloud computing
virtualization
micromarketing
data analytics

A

*Cloud computing

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19
Q

Which action takes place in the assurance element of the IBN model?

verification and corrective action
configuring systems
translation of policies
integrity checks

A

*verification and corrective action

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20
Q

Refer to the exhibit. Which data format is used to represent the data for network automation applications?

XML
YAML
HTML
JSON
Explanati
A

*JSON

21
Q

What is the function of the key contained in most RESTful APIs?

It is the top-level object of the API query.
It is used to authenticate the requesting source.
It represents the main query components in the API request.
It is used in the encryption of the message by an API request.

A

*It is used to authenticate the requesting source.

22
Q

Which two configuration management tools are developed using Ruby? (Choose two.)

Puppet
Ansible
SaltStack
Chef
RESTCONF
A
  • puppet

* Chef

23
Q

Which term is used to describe a set of instructions for execution by the configuration management tool Puppet?

Playbook
Cookbook
Manifest
Pillar

A

*Manifest

24
Q

Which term is used to describe a set of instructions for execution by the configuration management tool SaltStack?

Cookbook
Manifest
Pillar
Playbook

A

*Pillar

25
Q

Which scenario describes the use of a public API?

It requires a license.
It can be used with no restrictions.
It is used between a company and its business partners.
It is used only within an organization.

A

*It can be used with no restrictions

26
Q

What is YAML?

It is a scripting language.
It is a data format and superset of JSON.
It is a compiled programming language.
It is a web application.

A

*It is a data format and superset of JSON.

27
Q

Which RESTFul operation corresponds to the HTTP GET method?

post
patch
update
read

A

*read

28
Q

Which technology virtualizes the network control plane and moves it to a centralized controller?​

SDN
fog computing
cloud computing
IaaS

A

*SDN

29
Q

What is a difference between the functions of Cloud computing and virtualization?

Cloud computing requires hypervisor technology whereas virtualization is a fault tolerance technology.
Cloud computing separates the application from the hardware whereas virtualization separates the OS from the underlying hardware.
Cloud computing provides services on web-based access whereas virtualization provides services on data access through virtualized Internet connections.
Cloud computing utilizes data center technology whereas virtualization is not used in data centers.

A

*Cloud computing separates the application from the hardware whereas virtualization separates the OS from the underlying hardware.

30
Q

How is the YAML data format structure different from JSON?

It uses indentations.
It uses end tags.
It uses hierarchical levels of nesting.
It uses brackets and commas.

A

*it uses indentations.

31
Q

What is the most widely used API for web services?

XML-RPC
SOAP
JSON-RPC
REST

A

*REST

32
Q

What is REST?

It is a way to store and interchange data in a structured format.
It is an architecture style for designing web service applications.
It is a human readable data structure that is used by applications for storing, transforming, and reading data.
It is a protocol that allows administrators to manage nodes on an IP network.

A

*It is an architecture style for designing web service applications.

33
Q

What is a difference between the XML and HTML data formats?

XML does not use predefined tags whereas HTML does use predefined tags.
XML encloses data within a pair of tags whereas HTML uses a pair of quotation makes to enclose data.
XML formats data in binary whereas HTML formats data in plain text.
XML does not require indentation for each key/value pair but HTML does require indentation

A

*XML does not use predefined tags whereas HTML does use predefined tags.

34
Q

To avoid purchasing new hardware, a company wants to take advantage of idle system resources and consolidate the number of servers while allowing for multiple operating systems on a single hardware platform. What service or technology would support this requirement?

dedicated servers
Cisco ACI
virtualization
software defined networking

A

*virtualization

35
Q

parameters

A

from=SAN+Jose,CA&to=Monterey,CA

36
Q

API sever

A

http://www.mapquestapi.com

37
Q

format

A

outFormat=json

38
Q

key

A

key=KEY

39
Q

query

A

outFormat=json&key=KEY&from=San+Jose,Ca&to=Monterey,CA

40
Q

resources

A

directions/v2/route

41
Q

Which cloud computing opportunity would provide the use of network hardware such as routers and switches for a particular company?

software as a service (SaaS)
wireless as a service (WaaS)
infrastructure as a service (IaaS)
browser as a service (BaaS)

A

*infrastructure as a service (IaaS)

42
Q

What component is considered the brains of the ACI architecture and translates application policies​?

the Application Network Profile endpoints
the Nexus 9000 switch
the hypervisor​
the Application Policy Infrastructure Controller

A

*the Application Policy Infrastructure Controller

43
Q

Which statement describes the concept of cloud computing?

separation of management plane from control plane
separation of control plane from data plane
separation of application from hardware
separation of operating system from hardware

A

*separation of application from hardware

44
Q

In which situation would a partner API be appropriate?

an internet search engine allowing developers to integrate the search engine into their own software applications
company sales staff accessing internal sales data from their mobile devices
someone creating an account on an external app or website by using his or her social media credentials
a vacation service site interacting with hotel databases to display information from all the hotels on its web site

A

*a vacation service site interacting with hotel databases to display information from all the hotels on its web site

45
Q

Because of enormous growth in web traffic, a company has planned to purchase additional servers to help handle the web traffic. What service or technology would support this requirement?

virtualization
data center
cloud services
dedicated servers

A

*dedicated servers

46
Q

ABCTech is investigating the use of automation for some of its products. In order to control and test these products, the programmers require Windows, Linux, and MAC OS on their computers. What service or technology would support this requirement?

dedicated servers
software defined networking
virtualization
Cisco ACI

A

*virtualization

47
Q

What are three components used in the query portion of a typical RESTful API request? (Choose three.)

API server
format
parameters
key
protocol
resources
A

format
parameters
key

48
Q

What are three components used in the query portion of a typical RESTful API request? (Choose three.)

API server
format
parameters
key
protocol
resources
A
  • format
  • parameters
  • key
49
Q

A company has recently become multinational. Employees are working remotely, in different time zones, and they need access to company services from any place at any time. What service or technology would support this requirement?

dedicated servers
cloud services
Cisco ACI
virtualization

A

*cloud services

WAN Concepts (5 decks)

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