CS6250 COMPUTER NETWORK EXAM 1 (Updated 2026) | Comprehensive Review with Solved Questions and Accurate Answers | Graded A+ Guaranteed

CS6250 COMPUTER NETWORK EXAM 1
(Updated 2026) | Comprehensive Review
with Solved Questions and Accurate
Answers | Graded A+ Guaranteed

• What is the Domain Name System (DNS) designed to do primarily? -
✓✓Translate domain names into IP addresses


• What is the architectural design of the Internet protocol stack based
on? -✓✓Layers


• Both the data link and transports layer protocols may provide error
correction -✓✓True


• What allows for communication between the application layer and the
transport layer? -✓✓Sockets


• Which of the following protocols belong to the application layer?


Ethernet


IP (Internet Protocol)

, DNS (Domain Name Service)


UDP (User Datagram Protocol) -✓✓DNS (Domain Name Service)


• Which two protocols belong to the transport layer?


UDP


TCP


HTTP


IP -✓✓UDP and TCP


• When an application sends a packet of information across the network,
this packet travels down the IP stack and undergoes what process? -
✓✓Encapsulation


• According to the end-to-end principle, where should most of the
Internet's functionality/intelligence be implemented? -✓✓At the edges
of a network


• What is the difference between hubs, bridges, and routers? -✓✓They
operate on different layers of the IP stack