CS6250 COMPUTER NETWORK EXAM 2
(Updated 2026) | Comprehensive Review
with Solved Questions and Accurate
Answers | Graded A+ Guaranteed
‣ ARP . Answer: (Address Resolution Protocol) - Maps an IP address to
a device's MAC address
‣ Medium Access Control . Answer: (MAC) - Defines how devices share
access to the physical transmission medium on a network
‣ Space Division Switch . Answer: Connects input and output lines using
physical paths (e.g., crossbar switch)
‣ Time Division Switch . Answer: Shares a common path by assigning
time slots to multiple channels (sort of like Round Robin)
‣ SSID . Answer: (Service Set Identifier) - The unique name that
identifies a Wi-Fi network
‣ LAN . Answer: (Local Area Network) - Network covering a small
geographic area such as a building or campus
‣ BSS . Answer: (Basic Service Set) - Group of wireless stations
communicating through a single access point
, ‣ ESS . Answer: (Extended Service Set) - Collection of multiple BSSs
connected through a common network backbone
‣ Packets . Answer: Small units of data transmitted over a network
‣ Channels . Answer: Frequency ranges used to transmit wireless data
‣ Network Subnetting . Answer: Dividing a network into smaller logical
subnetworks for efficient and security
‣ End Office . Answer: Local telephone switch connecting subscribers to
the telecom network
‣ Subscriber Loop . Answer: Physical link between a customer's premiss
and the end office
‣ Branch Exchange . Answer: (PBX) - Private telephone network within
an organization that routes internal and external calls
‣ Datagram . Answer: Independent packet of data sent via a packet-
switched network without setup of a connection
‣ Unicast Address . Answer: Identifies a single specific destination
device
(Updated 2026) | Comprehensive Review
with Solved Questions and Accurate
Answers | Graded A+ Guaranteed
‣ ARP . Answer: (Address Resolution Protocol) - Maps an IP address to
a device's MAC address
‣ Medium Access Control . Answer: (MAC) - Defines how devices share
access to the physical transmission medium on a network
‣ Space Division Switch . Answer: Connects input and output lines using
physical paths (e.g., crossbar switch)
‣ Time Division Switch . Answer: Shares a common path by assigning
time slots to multiple channels (sort of like Round Robin)
‣ SSID . Answer: (Service Set Identifier) - The unique name that
identifies a Wi-Fi network
‣ LAN . Answer: (Local Area Network) - Network covering a small
geographic area such as a building or campus
‣ BSS . Answer: (Basic Service Set) - Group of wireless stations
communicating through a single access point
, ‣ ESS . Answer: (Extended Service Set) - Collection of multiple BSSs
connected through a common network backbone
‣ Packets . Answer: Small units of data transmitted over a network
‣ Channels . Answer: Frequency ranges used to transmit wireless data
‣ Network Subnetting . Answer: Dividing a network into smaller logical
subnetworks for efficient and security
‣ End Office . Answer: Local telephone switch connecting subscribers to
the telecom network
‣ Subscriber Loop . Answer: Physical link between a customer's premiss
and the end office
‣ Branch Exchange . Answer: (PBX) - Private telephone network within
an organization that routes internal and external calls
‣ Datagram . Answer: Independent packet of data sent via a packet-
switched network without setup of a connection
‣ Unicast Address . Answer: Identifies a single specific destination
device
