CSCI 1100 Final Exam || with A+ Guaranteed Solutions.
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CSCI 1100
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CSCI 1100
Router correct answers manages IP addresses of local machines and connects you to an outside network, transfers data between two or more networks
Switch correct answers connects local machines to each other in a local level, Acts like a traffic signal of data packets on a network, receive data a...
CSCI 1100 Final Exam || with A+ Guaranteed Solutions.
Router correct answers manages IP addresses of local machines and connects you to an outside
network, transfers data between two or more networks
Switch correct answers connects local machines to each other in a local level, Acts like a traffic
signal of data packets on a network, receive data and send to intend nodes on SAME network
(replaces hub)
NIC (Network interface card) correct answers An expansion card that enables a computer to
connect to other computers or to a cable modem to facilitate a high-speed internet connection.
Wifi (wireless fidelity) correct answers the standard for wireless ethernet networks
Cat 6a correct answers cable designed for ultrafast ethernet networks that run at speeds as fast as
10Gbps, FASTEST
Cat 6 correct answers cable designed to achieve data transfer rates that support a gigabit ethernet
network
Cat 5e correct answers cable designed for 100Mbps-wired ethernet networks that were popular
before gigabit ethernet networks became the standard, SLOWEST
LAN correct answers Local area network; a network in which the nodes are located within a
small geographic area
WAN correct answers Wide area network; spans a large physical distance (Ex: the internet b/c
spans entire globe)
802.11 correct answers standard used for routers to connect to a computer
ARP (Address Resolution Protocol) correct answers Knows the next hop's hardware/MAC
address (used at the local level)
HTTP correct answers The protocol that allows files to be transferred from a web server so that
you can see them on your computer by using a browser
SMS correct answers technology that enables short text messages (up to 160 characters) to be
sent over mobile networks
MMS correct answers Multimedia Message Service, a service that allows users to send messages
that include text, sound, images, and video clips to other phones or e-mail addresses
GPS correct answers Global Positioning System; a system of 21 satellites (plus 3 working
spares), built and operated by the U.S. military, that constantly orbit the earth. The satellites
provide information to GPS-capable devices to pinpoint locations on the earth
, VOIP correct answers Voice over internet protocol; turns a computer into a phone (ex: skype)
TCP correct answers delivers messages in order and reliably (ex: emails, web browsing, etc...);
part of the transport layer of the protocol stack
UDP correct answers Fast but non-guaranteed transfers of messages (ex: VOIP, music streaming,
etc...); part of the transport layer of the protocol stack
Network Protocol correct answers defines the FORMAT and the ORDER of messages
exchanged between 2+ communicating entities as well as the ACTIONS taken on the
transmission and/or receipt of a message or other event
Application layer (HTTP) correct answers turns the typed url into a get request
Transport layer correct answers breaks messages into segments
Network layer (IP) correct answers Routing of datagram from source to destination; addresses
each packet so that it can traverse the network from the sender to the destination; the source is
the IP address. Each packet is given a source ip, a destination ip, and a data part
Link Layer (Ethernet/LAN) correct answers Data transfer between neighboring network
elements; Addresses each IP packet with hardware/MAC address so that it will be delivered to
the next hop
MAC address correct answers The physical address of an individual device, which is stored on
the NIC
Physical layer correct answers bits "on the wire", actually sends the data across the network. The
other layers get the data ready to be sent
The protocol stack correct answers collection of protocols implementing a series of layers;
Traverses these layers: application > Transport > Network > datalink > physical
Traverse correct answers Goes from top-down or bottom-up
Collision on wired Ethernet networks correct answers occurs when 2 stations transmit at the
same time; resolved by the stations waiting a short pseudo-random time interval to retransmit
Digital convergence correct answers Single unifying device to handle media, Internet,
entertainment, and telephony needs; expressed in the range of devices now on the market (ex:
smartphones)
Analog signal correct answers electrical signals where info is translated into electric pulses of
varying amplitude. A continuous signal which represents physical measurements .(The waves
look like a sine wave) i.e. signals not recorded; they're live
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