CPT EXAM 3
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The actual speed of data transfer that is achieved and is always less than or equal to the data transfer rate
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Throughput
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Which of the following is NOT used to classify network architectures?
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speed of the network
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The maximum speed at which data can be transferred between two nodes
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Bandwidth
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Which transmission medium transmits data the fastest?
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Fiber-optic cable
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Normal telephone cable is a type of
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Twisted pair cable
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A client/server network is an example of ___ administration
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central
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A peer to peer (p2p) network is an example of ___ administration
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local
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Which of the following is NOT a type of cable used in wired networks?
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unshielded coaxial
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For the nodes on a network to communicate with each other and access the network, each node needs a
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network adapter
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To transfer data packets between two or more networks, a ____ is used
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router
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All of the following operating systems support P2P networking EXCEPT
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Unix
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Client/server networks are controlled by a central server that runs specialized software called an
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networking operating system (NOS)
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Which of the following is NOT a wired broadband internet connection option
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Dial-up
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A ____ device facilitates file sharing and data backup
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NAS
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A ____ device connected to a network such as a printer or a game console
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node
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A ___ is a network located in your residence that connects to all your digital devices
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HAN
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The fastest version of wireless ethernet is
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802.11ac
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Using network without the network owner's permission is known as
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piggybacking
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A network used to communicate among devices close to one person is called a
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PAN and personal area network
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The server on a client/server network has specialized ____ software installed
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NOS and network operating system
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Someone who breaks into computer systems to create mischief or steal information is an
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hacker
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A printer connected to a wireless network is considered to be a node on that network
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true
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Fiber-optic
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made up of plastic or glass and transmits data at extremely fast speeds
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Twisted Pair
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made up of copper wires
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Coaxial cable
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single copper wire surrounded by layers of plastic
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Peer to peer
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each node can communicate directly with every other node on the network
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Client/server
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central computer provides information and resources to other computers
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server
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provides information and resources to other computers on a network
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client
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computer on which users accomplish specific tasks and make specific requests
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network
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two or more computers connected together via software and hardware so they can communicate
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piggyback
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unauthorized connection to a wireless network
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node
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a computer, peripheral, or communication device on a network
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throughput
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the actual speed of data transfer that is achieved on a network
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packet
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the format in which data is sent over transmission media
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firmware
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instructions in read-only memory
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firewall
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hardware or software for protecting computers from hackers
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bandwidth
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maximum speed at which data can be transmitted
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NOS
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software used to set up and manage a network
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broadband
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high speed internet connection
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router
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directs data traffic between networks
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switch
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handles data traffic between nodes of the same network
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NIC
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connects a node to a network
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The form 1 3D printer founders used the crowdfunding site ____ to ask for $100,000 in pledges
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kickstarter
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What is IOS?
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an operating system for mobile devices
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The operating system of a cell phone is stored in ____
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ROM
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A ____ is included in a cell phone to handle the compression of data for it to be quickly tranmistted to another phone
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Digital signal processor chip
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A ___ converts your voice's sound waves into digital signals
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analog-to-digital converter chip
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Text messaging is also called
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short message service (SMS)
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All of the following are advantages of VoIP EXCEPT
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excellent reliability during internet or power outages
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The global positioning system is a network of 21 ____ plus 3 working spares
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satellites
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The distance between two near field communications (NFC) devices is limited to about ____
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1.5 inches
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Your mobile device files can be synchronized using ____
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a cloud service
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A portable media player can play files with all of the following file extensions EXCEPT
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.accdb
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Which of the following describes the number of times an analog wave is measured each second during an analog-to-digital conversion?
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sampling rate
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Which of the following digital image formats compresses the image file?
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JPEG
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The term ___ refers to the use of a single unifying device that handles media, internet, entertainment, and telephone needs
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digital convergence
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The primary input devices for smartphones are
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microphone and touch pad
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Google ___ is an online store that delivers software for android users
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play
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Which of the following uses radio waves to transmit data signals over short distances?
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bluetooth
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Many mobile devices include a micro ___ port
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USB
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___ is a very well-known free VoIP provider
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skype
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A main difference between the tablet and the smartphone is the ___
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screen size
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___ is digital textual information that can be stored, manipulated, and transmitted by electronic devices
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E text
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Which of the following is formally defined as any criminal action perpetrated primarily through the use of a computer?
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cybercrime
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Which of the following is NOT a virus category?
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pharming
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Which type of virus was the famous Michelangelo virus?
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a time bomb
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A ____ is a virus that is attached to documents such as Word or Excel files
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macro virus
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Which of the following classifications of viruses can change its own code to avoid detection?
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polymorphic
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With regard to computer protection, quarantining is defined as ____
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placing a found virus in a secure area on the hard drive
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___ hackers break into systems for non-malicious reasons such as to test systems security vulnerabilities
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white hat
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A packet sniffer is a program that can enable a hacker to do all of the following EXCEPT
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launch a denial of service (Dos) attack on your computer
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You can block logical ports from invaders and make your computer invisible to others on the internet by installing
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a firewall
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Configuring a firewall to ignore all incoming packets that request access to a specific port is known as
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logical port blocking
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CAPTCHA stands for
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Completely Automated Public turing test to tell computers and humans apart
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Adware and spyware are referred to collectively as
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grayware
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Which of the following statements about cookies is NOT true?
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cookies obtain your personal information by searching your hard drive
