CCNA 200-301 exam questions/review
What is the IEEE of Bluetooth? - 802.15 WPAN
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What is WiMAX and it IEEE? - -Worldwide Interoperability for Microwave Access
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-IEEE 802.16 WWAN ii ii
In cellular broadband there are two types of cellular networks, what are they? - Global
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System for Mobile (GSM) and Code Division Multiple Access (CDMA).
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GSM is internationally recognized, while CDMA is primarily used in the US.
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Typically, it is used by rural homeowners and businesses where cable and DSL are not
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available. It is usually more expensive and requires a clear line of sight. - Satellite
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Broadband
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What is the 802.11 WLAN? - WiFi/wireless devices are based on IEEE 802.11
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set of protocols and wireless local area network (WLAN) Wi-Fi computer communication in
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various frequencies
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-Radio frequency is 2.4 GHz ii ii ii ii
What is the 802.11a? - 5 Ghz frequency band
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IEEE standard for transmitting data over a wireless network.
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ii What are the two allocated radio frequency in 802.11 wireless LANs? - 2.4GHz and 5GHz
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Which 802.11 standards exclusively use the 5 GHz radio frequency? - 802.11a
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802.11ac
Which of the wireless networks typically uses lower powered transmitters for short
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ranges? - WPAN
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ii In wireless, what does AP stand for? - Access Point
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ii What does SSID stand for? - shared service set identifier (SSID)
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The wireless router advertises its wireless services by sending
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______________containing its shared service set identifier (SSID) - Beacons
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What does QoS stand for and what does it do? - Quality of Service
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is a feature of routers and switches which prioritizes traffic so that more important traffic
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can pass first.
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What does WAP stand for and what is it exactly? - Wireless Access Point
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more generally just an access point, is a networking hardware devices that allows other Wi-
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Fi devices to connect to a wired network.
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, What does Wi-Fi stand for? - Wireless Fidelity
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technically, this is not the case. Wi-Fi is simply a trademarked term meaning IEEE 802.11x. ii ii ii ii ii ii ii ii ii ii ii ii ii ii
What is an Autonomous AP? - -Standalone devices like a home router. Where the entire
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WLAN configuration resides on the device.
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-Sometimes called thick APs ii ii ii
-do not require a controller to control the AP and it use WLSE for management software
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-use for a network that requires only a couple of access points.
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ii What does WLC stand for? - Wireless LAN Controller
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ii What does AS stand for? - Autonomous System
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What are Controller-based APs? - -These devices require no initial configuration and are
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often called lightweight APs (LAPs).
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-Also called thin APs ii ii ii
-Centralized management, configuration, encryption, updates and policy settings through ii ii ii ii ii ii ii ii
a centralized controller
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ii LAPs - Lightweight Access Points ii ii ii ii ii ii
ii LWAPP - Light Weight Access Point Protocol ii ii ii ii ii ii ii ii
ii What is another name for LAPs? - Controller-based APs
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ii LAG - Link Aggregation Group ii ii ii ii ii ii
What is MIMO? - Multiple Input Multiple Output.
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Uses multiple antennas to increase available bandwidth for IEEE 802.11n/ac/ax wireless
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networks. Up to eight transmit and receive antennas can be used to increase throughput.
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Which of the following components are integrated in a wireless home router?
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-Access Point ii
-Switch
-Router
-Range Extender - Access Point, Switch, Router ii ii ii ii ii ii ii ii
What is infrastructure mode in WLAN? - A wireless router or AP connects wireless clients
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to a wired distribution system.
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What is API and what does the acronym stand for as well? - Application Programming
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Interface (API)
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An API is software that allows other applications to access its data or services. It is a set of
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rules describing how one application can interact with another, and the instructions to
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allow the interaction to occur.
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,Data formats shared between smart devices often use an Application Programming
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Interface (API
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There are four types of web service APIs - Simple Object Access Protocol (SOAP)
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Representational State Transfer (REST) ii ii ii
eXtensible Markup Language-Remote Procedure Call (XML-RPC) ii ii ii ii ii
JavaScript Object Notation-Remote Procedure Call (JSON-RPC) ii ii ii ii ii
Software-Defined Networking (SDN) is what? - The physical separation of the network
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control plane from the forwarding plane, and where a control plane controls several
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devices.
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dynamic, manageable, cost-effective, and adaptable ii ii ii ii
What is FTP and it port number? - File Transfer Protocol
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Port 20, 21 ii ii
Provides reliability when loading an IOS image upon boot up
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What is SSH and it port number? - Secure Shell Protocol
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port 22 ii
ii What is telnet port number? - 23
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ii SMTP (Simple Mail Transfer Protocol) and port number - port 25
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ii DNS (Domain Name System) port number - 53
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ii HTTP (Hypertext Transfer Protocol) port number - 80
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ii SNMP (Simple Network Management Protocol) port number - 161
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What portocols are reliable, connection oriented and use TCP? - FTP, SSH, Telnet,
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SMTP, DNS, HTTP, POP3, NTP, IMAP4, HTTPS
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What protocols are unreliable, connectionless and use UDP? - DNS, DHCP, TFTP,
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SNMP
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What is DHCP? - A protocol used to automate the assignment of IP Address. It stands for
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Dynamic Host Control Protocol and is the successor to BOOTP.
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ii DHCP port number - 67 ii ii ii ii ii ii
What is HSRP? - HSRP stands for Hot Standby Router Protocol, it was designed for
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gateway redundancy without addition config on end devices. Routers configured with
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HSRP present themselves as a single virtual default gateway.
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-It is Cisco Proprietary
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-has one active router and one standby router
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, What does VRRP stand for? - Virtual Router Redundancy Protocol
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Has one master router and multiple backup routers
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What is VRRP virtual MAC address? - 0000.5E00.01xx
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0000.5E00.01xx, where xx is the value ID for the VRRP group number ii ii ii ii ii ii ii ii ii ii ii
ii What is FHRP? - First-Hop Redundancy Protocol ii ii ii ii ii ii ii ii
ii In show ip route command, what letter represents EIGRP? - D
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ii In show ip route command, what letter represents OSPF? - O
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ii In show ip route command, what letter represents directly connected routes? - C
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ii In show ip route command, what letter represents static route? - S
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ii In show ip route command, what letter/symbol represents default routes? - *
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ii on a route such as S * 0.0.0.0/0 [1/0] via Fastethernet 0/1
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In show ip route command, what letter represents local/host connected directly
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connected? - L
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What is PAgP? - Port Aggregation Protocol
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is a Cisco proprietary link aggregator protocol that can bundle up to 8 active ports.
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-Only uses DESIRABLE and AUTO modes ii ii ii ii ii
By default the maximum time that a Cisco switch will retain LLDP info before discarding it
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when it is enabled on an interface is ______ - 120 seconds
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By default, a cisco switch will send LLDP advertisements every ____ seconds when LLDP
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is enabled on an interface - 30
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What is LLDP on a Cisco switch? - Link Layer Discovery Protocol.
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OSI layer 2 open standard discovery protocol that is used to facilitate interoperability
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between Cisco devices and non-Cisco devices. Attributes that can be learned from
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neighboring devices contain Type, Length, Value (TLV) info including port description,
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system description and management address.
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What is VTP? - VLAN Trunking Protocol (VTP)
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is a Layer 2 messaging protocol that maintains VLAN configuration consistency
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throughout a common administrative domain by managing VLAN additions, deletions, and
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name changes across multiple switches. Without VTP, you would have to manually add
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VLAN information to each switch in the network.
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ii What is CDP? - Cisco Discovery Protocol (CDP) ii ii ii ii ii ii ii ii ii ii