Cisco Networking Academy
What are two actions performed by a Cisco switch? (Choose two.)
1. Utilizing the MAC address table to forward frames via the destination MAC address 2. Using the source MAC addresses of frames to build and maintain a MAC address table
A network technician is researching the use of fiber optic cabling in a new technology center. Which two issues should be considered before implementing fiber optic media?
1.Fiber optic provides higher data capacity but is more expensive than copper cabling. 2.Fiber optic cabling requires different termination and splicing expertise from what copper cabling requires.
How many unique values are possible using a single binary digit?
2
Which wireless RF band do IEEE 802.11b/g devices use?
2.4 GHz
What two radio frequency bands are used in home Wireless LANs? (Choose two.)
2.4 GHz 5 GHz
What two characteristics describe an Ethernet cable?
4 pairs of twisted cables Single copper core surrounded by a layer of insulation
How much data can be encapsulated into a normal sized Ethernet frame before it is sent over the network?
46 to 1500 bytes
A byte consists of how many bits?
8
What information may be requested when pairing devices over Bluetooth?
A PIN
What allows digital devices to interconnect and transmit data?
A network
Which statement defines a data communications protocol?
A set of rules that govern the communication process
What type of device is able to create physical movement?
Actuators
Which three layers of the OSI model map to the application layer of the TCP/IP model?
Application Presentation Session
What data representation is used when a computer or network device is processing data?
Binary
A user is looking for a wireless headphone for listening to songs stored on a smartphone. What wireless technology would the headphone use?
Bluetooth
Which wireless technology uses a device-pairing process to communicate and operates over short distances of 100 meters?
Bluetooth
Refer to the exhibit. Which router port connects to the modem provided by the service provider?
C
What are two types of wired high-speed Internet connections?
Cable DSL
What are two methods typically used on a mobile device to provide internet connectivity? (Choose two.)
Cellular Wi-Fi
What is a Sensors
Connected sensors can provide temperature, humidity, wind speed, barometric pressure, and soil moisture data.
A home user is looking for an ISP connection that provides high speed digital transmission over regular phone lines. What ISP connection type should be used?
DSL
What is a service that provides high bandwidth, always on, connection using existing land-line telephone wires?
Digital Subscriber Line (DSL)
What is a characteristic of a peer-to-peer application?
Each device using the application provides a user interface and runs a background service.
What wireless router configuration would stop outsiders from using your home network?
Encryption
Which type of network cable is commonly used in backbone networks and telephone companies?
Fiber-optic cable
Which three acronyms/initialisms represent standards organizations?
IETF IEEE IANA
When using your credit card to make purchases at several places, the credit card company can use this information to learn about your location and your preferences. This type of personal data is known as:
Inferred data
What is one advantage of using fiber optic cabling rather than copper cabling?
It is able to carry signals much farther than copper cabling.
Which is a characteristic of the Internet?
It is not centrally governed.
Which feature is characteristic of MAC filtering in wireless networks?
It restricts computer access to a wireless network.
What is the order of bandwidth measurement from smallest to largest?
Kbps, Mbps, Gbps, Tbps
What type of device is commonly connected to the Ethernet switch ports on a home wireless router?
LAN device
List end devices.
Laptop Printer Smart Thing PC
Medium to Large Networks
Medium to large networks, such as those used by corporations and schools, can have many locations with hundreds or thousands of interconnected hosts.
Which three elements do all communication methods have in common?
Message source Message destination Transmission medium
A consumer places a smartphone close to a pay terminal at a store and the shopping charge is successfully paid. Which type of wireless technology was used?
NFC
Which technology allows a mobile device to establish wireless communication with another mobile device by touching them together?
NFC
Who owns the internet?
NOOOOO ONE
Which two OSI model layers have the same functionality as two layers of the TCP/IP model?
Network Transport
Which data encoding technology is used in fiber-optic cables?
Pulses of light
RFID Tags
Radio frequency identification (RFIDs) tags can be placed in or on objects to track them or monitor sensors for many conditions.
What are three options for signal transmission on a network?
Radio waves Electrical pulses Light pulses
Which term correctly describes the function of an ISP?
Responsible for providing the link between a private network and the internet
Which three devices are considered intermediate devices in a network? (Choose three.)
Router Switch Wireless access point
Which technology is used to uniquely identify a WLAN network?
SSID
How is a frame sent from PCA forwarded to PCC if the MAC address table on switch SW1 is empty?
SW1 floods the frame on all ports on SW1, excluding the port through which the frame entered the switch.
What type of internet connection would be best for a residence in a remote area without mobile phone coverage or wired connectivity?
Satellite
What is a Small Home Networks
Small home networks connect a few computers to each other and to the internet.
Which type of address does a switch use to build the MAC address table?
Source MAC address
What is a Small Office and Home Office Networks
The SOHO network allows computers in a home office or a remote office to connect to a corporate network, or access centralized, shared resources.
What two pieces of information are required when manually connecting either an iOS device or an Android device to a secured wireless network? (Choose two.)
The SSID and password
Which criterion can be used to select the appropriate type of network media for a network?
The environment where the selected medium is to be installed
Which information does a switch use to populate the MAC address table?
The source MAC address and the incoming port
A PC with the MAC address of 0800.069d.3841 attached to port Fa0/8 is sending data to a device that has the MAC address of 6400.6a5a.6821. What will the switch do first to handle the data transfer?
The switch will add the address 0800.069d.3841 to the MAC address table.
Which two applications are suitable for deploying coaxial cables?
To connect a TV set to the wall plug at home To connect various components in a satellite communication system
What is another term for the internet port of a wireless router?
WAN port
Which organization is responsible for testing wireless LAN devices?
Wi-Fi Alliance
A user is setting up a home wireless network. Which type of device must the user have in order to establish the wireless network and provide access to the internet for multiple home devices?
Wireless router
In the context of mobile devices, what does the term tethering involve?
connecting a mobile device to another mobile device or computer to share a network connection
Which term refers to the process of placing one message format inside another message format?
encapsulation
What can be used to allow visitor mobile devices to connect to a wireless network and restrict access of those devices to only the internet?
guest SSID
A network where two computers are communicating with each other as both a client and as a server is known as a
peer-to-peer network
What is used to identify a specific wireless network?
the Service Set Identifier (SSID)
the source MAC address and the incoming port
the source MAC address and the incoming port
Refer to the graphic. What type of cabling is shown?
twisted-pair
