CS6250 COMPUTER NETWORKS EXAM 1 STUDY SET
SUMMER UPDATED ACTUAL QUESTIONS AND CORRECT
ANSWERS
Question:
1. How did Licklider and his team in the early 1960s experiment with a precursor to the Internet?
Answer:
Connecting two computers over a dial up telephone line
Question:
2. What is the Domain Name System (DNS) designed to do primarily?
Answer:
Translate domain names into IP addresses
Question:
3. What is the architectural design of the Internet protocol stack based on?
Answer:
Layers
Question:
4. Both the data link and transports layer protocols may provide error correction
Answer:
True
Question:
5. What allows for communication between the application layer and the transport layer?
Answer:
Sockets
Question:
6. Which of the following protocols belong to the application layer?
A. Ethernet
B. IP (Internet Protocol)
C. DNS (Domain Name Service)
D. UDP (User Datagram Protocol)
Answer:
DNS (Domain Name Service)
Question:
7. Which two protocols belong to the transport layer?
UDP
TCP
HTTP IP
Answer:
UDP and TCP
, Question:
8. When an application sends a packet of information across the network, this packet travels down the IP
stack and undergoes what process?
Answer:
Encapsulation
Question:
9. According to the end-to-end principle, where should most of the Internet's functionality/intelligence be
implemented?
Answer:
At the edges of a network
Question:
10. What is the difference between hubs, bridges, and routers?
Answer:
They operate on different layers of the IP stack
Question:
11. The transport layer protocols offer a logical connection between processes only if the hosts reside in
the same network
Answer:
False
Question:
12. A sending host receives a message from the application layer and encapsulates it with the transport
layer header before passing it down to the network layer
Answer:
True
Question:
13. An application running on a host can bind to multiple sockets simultaneously
Answer:
True
Question:
14. The identifier of a UDP socket is a tuple of destination IP address and port
Answer:
True
Question:
15. The identifier of a TCP socket is a tuple of source IP address and port
Answer:
False
Question:
16. UDP is considered more lightweight than TCP
SUMMER UPDATED ACTUAL QUESTIONS AND CORRECT
ANSWERS
Question:
1. How did Licklider and his team in the early 1960s experiment with a precursor to the Internet?
Answer:
Connecting two computers over a dial up telephone line
Question:
2. What is the Domain Name System (DNS) designed to do primarily?
Answer:
Translate domain names into IP addresses
Question:
3. What is the architectural design of the Internet protocol stack based on?
Answer:
Layers
Question:
4. Both the data link and transports layer protocols may provide error correction
Answer:
True
Question:
5. What allows for communication between the application layer and the transport layer?
Answer:
Sockets
Question:
6. Which of the following protocols belong to the application layer?
A. Ethernet
B. IP (Internet Protocol)
C. DNS (Domain Name Service)
D. UDP (User Datagram Protocol)
Answer:
DNS (Domain Name Service)
Question:
7. Which two protocols belong to the transport layer?
UDP
TCP
HTTP IP
Answer:
UDP and TCP
, Question:
8. When an application sends a packet of information across the network, this packet travels down the IP
stack and undergoes what process?
Answer:
Encapsulation
Question:
9. According to the end-to-end principle, where should most of the Internet's functionality/intelligence be
implemented?
Answer:
At the edges of a network
Question:
10. What is the difference between hubs, bridges, and routers?
Answer:
They operate on different layers of the IP stack
Question:
11. The transport layer protocols offer a logical connection between processes only if the hosts reside in
the same network
Answer:
False
Question:
12. A sending host receives a message from the application layer and encapsulates it with the transport
layer header before passing it down to the network layer
Answer:
True
Question:
13. An application running on a host can bind to multiple sockets simultaneously
Answer:
True
Question:
14. The identifier of a UDP socket is a tuple of destination IP address and port
Answer:
True
Question:
15. The identifier of a TCP socket is a tuple of source IP address and port
Answer:
False
Question:
16. UDP is considered more lightweight than TCP
