CCNA 200-301 exam questions/review
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.
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 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.
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 IEEE of Bluetooth? - ✔️✔️802.15 WPAN
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 Wi-Fi stand for? - ✔️✔️Wireless Fidelity
technically, this is not the case. Wi-Fi is simply a trademarked term meaning IEEE
802.11x.
.
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
By default the maximum time that a Cisco switch will retain LLDP info before discarding
it when it is enabled on an interface is ______ - ✔️✔️120 seconds
By default, a cisco switch will send LLDP advertisements every ____ seconds when
LLDP is enabled on an interface - ✔️✔️30
What is LLDP on a Cisco switch? - ✔️✔️Link Layer Discovery Protocol.
OSI layer 2 open standard discovery protocol that is used to facilitate interoperability
between Cisco devices and non-Cisco devices. Attributes that can be learned from
