CSCI 1100 Final Exam Questions And
Correct Answers Latest Edition 2025.
Router - Answer manages IP addresses of local machines and connects you to an outside
network, transfers data between two or more networks
Switch - Answer 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) - Answer 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) - Answer the standard for wireless ethernet networks
Cat 6a - Answer cable designed for ultrafast ethernet networks that run at speeds as fast as
10Gbps, FASTEST
Cat 6 - Answer cable designed to achieve data transfer rates that support a gigabit ethernet
network
Cat 5e - Answer cable designed for 100Mbps-wired ethernet networks that were popular
before gigabit ethernet networks became the standard, SLOWEST
LAN - Answer Local area network; a network in which the nodes are located within a small
geographic area
WAN - Answer Wide area network; spans a large physical distance (Ex: the internet b/c spans
entire globe)
802.11 - Answer standard used for routers to connect to a computer
ARP (Address Resolution Protocol) - Answer Knows the next hop's hardware/MAC address
(used at the local level)
, SMS - Answer technology that enables short text messages (up to 160 characters) to be sent
over mobile networks
MMS - Answer 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 - Answer 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 - Answer Voice over internet protocol; turns a computer into a phone (ex: skype)
TCP - Answer delivers messages in order and reliably (ex: emails, web browsing, etc...); part of
the transport layer of the protocol stack
UDP - Answer Fast but non-guaranteed transfers of messages (ex: VOIP, music streaming,
etc...); part of the transport layer of the protocol stack
Network Protocol - Answer 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) - Answer turns the typed url into a get request
Transport layer - Answer breaks messages into segments
Network layer (IP) - Answer 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) - Answer 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 - Answer The physical address of an individual device, which is stored on the NIC
Correct Answers Latest Edition 2025.
Router - Answer manages IP addresses of local machines and connects you to an outside
network, transfers data between two or more networks
Switch - Answer 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) - Answer 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) - Answer the standard for wireless ethernet networks
Cat 6a - Answer cable designed for ultrafast ethernet networks that run at speeds as fast as
10Gbps, FASTEST
Cat 6 - Answer cable designed to achieve data transfer rates that support a gigabit ethernet
network
Cat 5e - Answer cable designed for 100Mbps-wired ethernet networks that were popular
before gigabit ethernet networks became the standard, SLOWEST
LAN - Answer Local area network; a network in which the nodes are located within a small
geographic area
WAN - Answer Wide area network; spans a large physical distance (Ex: the internet b/c spans
entire globe)
802.11 - Answer standard used for routers to connect to a computer
ARP (Address Resolution Protocol) - Answer Knows the next hop's hardware/MAC address
(used at the local level)
, SMS - Answer technology that enables short text messages (up to 160 characters) to be sent
over mobile networks
MMS - Answer 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 - Answer 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 - Answer Voice over internet protocol; turns a computer into a phone (ex: skype)
TCP - Answer delivers messages in order and reliably (ex: emails, web browsing, etc...); part of
the transport layer of the protocol stack
UDP - Answer Fast but non-guaranteed transfers of messages (ex: VOIP, music streaming,
etc...); part of the transport layer of the protocol stack
Network Protocol - Answer 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) - Answer turns the typed url into a get request
Transport layer - Answer breaks messages into segments
Network layer (IP) - Answer 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) - Answer 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 - Answer The physical address of an individual device, which is stored on the NIC
