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CCNA 200-301 Questions And Answers Graded A+
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application signature - ️️With Network Based Application Recognition (NBAR), the definition of a combination of matchable fields that identify as characteristics of a specific application access interface - ️️A LAN network design term that refers to a switch interface connected to end-u...

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  • September 17, 2024
  • 33
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • ccna 200 301

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  • CCNA 200-301
  • CCNA 200-301

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CCNA 200-301
application signature - ✔️✔️With Network Based Application Recognition (NBAR), the
definition of a combination of matchable fields that identify as characteristics of a
specific application

access interface - ✔️✔️A LAN network design term that refers to a switch interface
connected to end-user devices


Access Control Entry (ACE) - ✔️✔️One line in an access control list (ACL)


access layer - ✔️✔️In a Campus LAN design, the switches that connect directly to end-
point devices

access link (WAN) - ✔️✔️A physical link between a service provider and its customer

access rate - ✔️✔️The speed at which bits are sent over an access link

accounting - ✔️✔️In security, the recording of access attempts

AAA - ✔️✔️Authentication, authorization and accounting

ACI - ✔️✔️Application Centric Infrastructure

ACL - ✔️✔️Access Control List

Active Directory - ✔️✔️A popular set of identity and directory services from Microsoft,
used in part to authenticate users

administrative distance - ✔️✔️In Cisco routers, a means for one router to choose
between multiple routes to reach the same subnet when those routes are learned by
different routing protocols.

agent - ✔️✔️Generally, an additional software process or component running in a
computing device for some specific purpose

agent-based architecture - ✔️✔️An architecture that uses a software agent inside the
device being managed

agentless architecture - ✔️✔️An architecture that does not need a software agent

,amplification attack - ✔️✔️A reflection attack that leverages a service on the reflector to
generate and reflect huge volumes of reply traffic to the victim

Ansible - ✔️✔️A popular configuration management application

Ansible inventory - ✔️✔️Device host names along with information about each device

Ansible playbook - ✔️✔️Files with actions and logic about what Ansible should do

AAA Server - ✔️✔️Server providing authentication, authorization and accounting
services

anti-replay - ✔️✔️Preventing a man in the middle from copying and later replaying the
packets sent by a legitimate user, for the purpose of appearing to be a legitimate user

antivirus - ✔️✔️Software that monitors files transferred by any means, to look for
content that can be used to place a virus into the computer

APIC - ✔️✔️Application Policy Infrastructure Controller

APIC-EM - ✔️✔️Application Policy Infrastructure Controller -Enterprise Module

Application Centric Infrastructure (ACI) - ✔️✔️Cisco's data center SDN solution

Application Policy Infrastructure Controller - Enterprise Module (APIC-EM) - ✔️✔️The
software that plays the role of controller in an enterprise network of Cisco devices

application programming interface (API) - ✔️✔️A software mechanism that enables
software components to communicate with each other


Application Visibility and Control (AVC) - ✔️✔️A firewall device with advance features
(IPS, malware detection, VPN termination, etc.)

application-specific integrated circuit (ASIC) - ✔️✔️An integrated circuit (chip) designed
for a specific purpose of application.

AR - ✔️✔️Access Rate

ARP - ✔️✔️Address Resolution Protocol. An internet protocol used to map an IP
address to a MAC address

ARP ACL - ✔️✔️A configuration feature on Cisco LAN switches that define MAC and
IP that will be filtered

,ARP Reply - ✔️✔️An ARP message used to supply information about an ARP request.
A device providing its MAC address in reply to a request

ARP Request - ✔️✔️An ARP message used to request information from another host
located on the same subnet or broadcast domain


ASAv - ✔️✔️A Cisco ASA firewall software image that runs as a virtual machine rather
than on hardware

ASIC - ✔️✔️Application Specific Integrated Circuit

authentication - ✔️✔️In security, the verification of the identity of a person, device or
process

Authoritative DNS server - ✔️✔️The DNS server with the record that lists the address
that corresponds to a domain name (A Record) for that domain

authorization - ✔️✔️In security, the determination of the rights allowed for a particular
user or device

autonomous system (AS) - ✔️✔️An internetwork that is managed by one organization

autonomous system number (ASN) - ✔️✔️A number used by BGP to identify a routing
domain, often a single enterprise or organization.

AutoQoS - ✔️✔️In Cisco switches and routers, an IOS feature that configures a variety
of QoS features with useful settings as defined by design guides

bandwidth - ✔️✔️The speed at which bits can be sent and received over a link

bandwidth profile - ✔️✔️In MetroEthernet, a contractual definition of the amount of
traffic that the customer can send into the service and receive out of the service

Brownfield - ✔️✔️A term that refers to the choice to add new configuration to hardware
and software that are already in use, rather than adding new hardware and software
specifically for a new project

brute-force attack - ✔️✔️An attack where a malicious user runs software that tries
every possible combination of letters, numbers and special characters to guess a user's
password

, buffer overflow attack - ✔️✔️An attack meant to exploit a vulnerability in processing
inbound traffic such that the target system's buffers overflow, the target system can end
up crashing or inadvertently running malicious code injected by the attacker

cable internet - ✔️✔️An internet access technology that uses a cable TV (CATV),
normally used for video, to send and receive data

cacheable - ✔️✔️For resources that might be repeatedly requested over time, an
attribute that means that the requesting host can keep in storage (cache) a copy of the
resource for a specified amount of time

carrier Ethernet - ✔️✔️A WAN service that uses Ethernet links as the access link
between the customer and the service provider

CDP - ✔️✔️Cisco Discrovery Protocol. A media- and protocol-independent device-
discovery protocol that runs on most Cisco-manufactured equipment, including routers,
access servers, and switches. Using CDP, a device can advertise its existence to other
devices and receive information about other devices on the same LAN or on the remote
side of a WAN

CDP neighbor - ✔️✔️A device on the other end of some communications cable that is
advertising CDP updates

central office (CO) - ✔️✔️A term used by telcos to refer to a building that holds
switching equipment, into which the telco's cable plant runs so that the telco has cabling
from each home and business into the building

centralized control plane - ✔️✔️An approach to architecting network protocols and
products that places the control plane functions into a centralized function rather than
distributing the function across the networking device

Chef - ✔️✔️A popular configuration management application, which uses a server and
a pull model with in-device agents

Chef client - ✔️✔️Any device whose configuration is being managed by Chef

Chef Cookbook - ✔️✔️A set of recipes about the same kinds of work, grouped together
for easier management and sharing

Cisco Access Control Server (ACS) - ✔️✔️A legacy Cisco product that acts as a AAA
Server

Cisco AnyConnect Secure Mobility Client - ✔️✔️Cisco software product used as client
software on user devices to create a VPN

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