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CCNA 200-301 exam questions/review A+ Graded
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CCNA 200-301 examquestions/review A+ Graded
What is the IEEE of Bluetooth? - -802.15 WPAN
-What is WiMAX and it IEEE? - --Worldwide Interoperability for Microwave
Access
-IEEE 802.16 WWAN
-In cellular broadband there are two types of cellular networks, what are
they? - -Global System for Mobile (GSM) and Code Division Multiple Access
(CDMA).
GSM is internationally recognized, while CDMA is primarily used in the US.
-Typically, it is used by rural homeowners and businesses where cable and
DSL are not available. It is usually more expensive and requires a clear line
of sight. - -Satellite Broadband
-What is the 802.11 WLAN? - -WiFi/wireless devices are based on IEEE
802.11
set of protocols and wireless local area network (WLAN) Wi-Fi computer
communication in various frequencies
-Radio frequency is 2.4 GHz
-What is the 802.11a? - -5 Ghz frequency band
IEEE standard for transmitting data over a wireless network.
-What are the two allocated radio frequency in 802.11 wireless LANs? - -
2.4GHz and 5GHz
-Which 802.11 standards exclusively use the 5 GHz radio frequency? - -
802.11a
802.11ac
-Which of the wireless networks typically uses lower powered transmitters
for short ranges? - -WPAN
-In wireless, what does AP stand for? - -Access Point
-What does SSID stand for? - -shared service set identifier (SSID)
-The wireless router advertises its wireless services by sending
______________containing its shared service set identifier (SSID) - -Beacons
, -What does QoS stand for and what does it do? - -Quality of Service
is a feature of routers and switches which prioritizes traffic so that more
important traffic can pass first.
-What does WAP stand for and what is it exactly? - -Wireless Access Point
more generally just an access point, is a networking hardware devices that
allows other Wi-Fi devices to connect to a wired network.
-What does Wi-Fi stand for? - -Wireless Fidelity
technically, this is not the case. Wi-Fi is simply a trademarked term meaning
IEEE 802.11x.
-What is an Autonomous AP? - --Standalone devices like a home router.
Where the entire WLAN configuration resides on the device.
-Sometimes called thick APs
-do not require a controller to control the AP and it use WLSE for
management software
-use for a network that requires only a couple of access points.
-What does WLC stand for? - -Wireless LAN Controller
-What does AS stand for? - -Autonomous System
-What are Controller-based APs? - --These devices require no initial
configuration and are often called lightweight APs (LAPs).
-Also called thin APs
-Centralized management, configuration, encryption, updates and policy
settings through a centralized controller
-LAPs - -Lightweight Access Points
-LWAPP - -Light Weight Access Point Protocol
-What is another name for LAPs? - -Controller-based APs
-LAG - -Link Aggregation Group
-What is MIMO? - -Multiple Input Multiple Output.
Uses multiple antennas to increase available bandwidth for IEEE
802.11n/ac/ax wireless networks. Up to eight transmit and receive antennas
can be used to increase throughput.
-Which of the following components are integrated in a wireless home
router?
-Access Point
-Switch
,-Router
-Range Extender - -Access Point, Switch, Router
-What is infrastructure mode in WLAN? - -A wireless router or AP connects
wireless clients to a wired distribution system.
-What is API and what does the acronym stand for as well? - -Application
Programming Interface (API)
An API is software that allows other applications to access its data or
services. It is a set of rules describing how one application can interact with
another, and the instructions to allow the interaction to occur.
Data formats shared between smart devices often use an Application
Programming Interface (API
-There are four types of web service APIs - -Simple Object Access Protocol
(SOAP)
Representational State Transfer (REST)
eXtensible Markup Language-Remote Procedure Call (XML-RPC)
JavaScript Object Notation-Remote Procedure Call (JSON-RPC)
-Software-Defined Networking (SDN) is what? - -The physical separation of
the network control plane from the forwarding plane, and where a control
plane controls several devices.
dynamic, manageable, cost-effective, and adaptable
-What is FTP and it port number? - -File Transfer Protocol
Port 20, 21
Provides reliability when loading an IOS image upon boot up
-What is SSH and it port number? - -Secure Shell Protocol
port 22
-What is telnet port number? - -23
-SMTP (Simple Mail Transfer Protocol) and port number - -port 25
-DNS (Domain Name System) port number - -53
-HTTP (Hypertext Transfer Protocol) port number - -80
-SNMP (Simple Network Management Protocol) port number - -161
-What portocols are reliable, connection oriented and use TCP? - -FTP, SSH,
Telnet, SMTP, DNS, HTTP, POP3, NTP, IMAP4, HTTPS
, -What protocols are unreliable, connectionless and use UDP? - -DNS, DHCP,
TFTP, SNMP
-What is DHCP? - -A protocol used to automate the assignment of IP
Address. It stands for Dynamic Host Control Protocol and is the successor to
BOOTP.
-DHCP port number - -67
-What is HSRP? - -HSRP stands for Hot Standby Router Protocol, it was
designed for gateway redundancy without addition config on end devices.
Routers configured with HSRP present themselves as a single virtual default
gateway.
-It is Cisco Proprietary
-has one active router and one standby router
-What does VRRP stand for? - -Virtual Router Redundancy Protocol
Has one master router and multiple backup routers
-What is VRRP virtual MAC address? - -0000.5E00.01xx
0000.5E00.01xx, where xx is the value ID for the VRRP group number
-What is FHRP? - -First-Hop Redundancy Protocol
-In show ip route command, what letter represents EIGRP? - -D
-In show ip route command, what letter represents OSPF? - -O
-In show ip route command, what letter represents directly connected
routes? - -C
-In show ip route command, what letter represents static route? - -S
-In show ip route command, what letter/symbol represents default routes? -
-*
on a route such as S * 0.0.0.0/0 [1/0] via Fastethernet 0/1
-In show ip route command, what letter represents local/host connected
directly connected? - -L
-What is PAgP? - -Port Aggregation Protocol
is a Cisco proprietary link aggregator protocol that can bundle up to 8 active
ports.
-Only uses DESIRABLE and AUTO modes
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