Podcast
Questions and Answers
What is the primary goal of the application layer in computer networking?
What is the primary goal of the application layer in computer networking?
- To secure the network from cyber attacks
- To manage the physical network infrastructure
- To implement advanced encryption algorithms
- To provide a conceptual understanding of network application protocols (correct)
Which of the following is NOT a network application listed in Chapter 2?
Which of the following is NOT a network application listed in Chapter 2?
- File Transfer Protocol (FTP)
- Voice over IP (e.g., Skype)
- Web
- Database Management Systems (DBMS) (correct)
What is the primary function of DNS in the context of network applications?
What is the primary function of DNS in the context of network applications?
- To provide secure authentication for users
- To encrypt data during transmission
- To optimize network bandwidth usage
- To translate domain names to IP addresses (correct)
Which type of network application protocol follows the client-server paradigm?
Which type of network application protocol follows the client-server paradigm?
What is the main purpose of the socket API in creating network applications?
What is the main purpose of the socket API in creating network applications?
Which of the following is an example of a peer-to-peer application?
Which of the following is an example of a peer-to-peer application?
What does HTTP stand for?
What does HTTP stand for?
In the client/server model, what role does the browser play?
In the client/server model, what role does the browser play?
What port does the HTTP server typically listen on?
What port does the HTTP server typically listen on?
How many RTTs (Round-Trip Times) are required for each object in non-persistent HTTP?
How many RTTs (Round-Trip Times) are required for each object in non-persistent HTTP?
What is one of the drawbacks of non-persistent HTTP?
What is one of the drawbacks of non-persistent HTTP?
What does persistent HTTP allow in terms of TCP connections?
What does persistent HTTP allow in terms of TCP connections?
What is included in an HTTP request message?
What is included in an HTTP request message?
What method type can be used to upload form input to a server?
What method type can be used to upload form input to a server?
What does the status code '404 Not Found' indicate?
What does the status code '404 Not Found' indicate?
What is typically done to open a TCP connection to a Web server using Telnet?
What is typically done to open a TCP connection to a Web server using Telnet?
What command can be used to open a TCP connection to port 80 at cis.poly.edu?
What command can be used to open a TCP connection to port 80 at cis.poly.edu?
How is an object's presence or absence in the response message indicated?
How is an object's presence or absence in the response message indicated?
What does the browser do after receiving the IP address from DNS?
What does the browser do after receiving the IP address from DNS?
In a pure P2P architecture, what is a characteristic of peers?
In a pure P2P architecture, what is a characteristic of peers?
What is the function of a tracker in BitTorrent?
What is the function of a tracker in BitTorrent?
What is the first step when a client wants the IP for www.amazon.com using DNS?
What is the first step when a client wants the IP for www.amazon.com using DNS?
What happens when a peer joins a torrent in BitTorrent?
What happens when a peer joins a torrent in BitTorrent?
What is the role of DNS in the process of initiating a TCP connection to an HTTP server?
What is the role of DNS in the process of initiating a TCP connection to an HTTP server?
What is an example of a P2P application according to the text?
What is an example of a P2P application according to the text?
What does a peer do once it has accumulated all file chunks in BitTorrent?
What does a peer do once it has accumulated all file chunks in BitTorrent?
What is the primary function of DNS servers according to the text?
What is the primary function of DNS servers according to the text?
(True/False) Peers in a pure P2P architecture are always centrally connected to a main server.
(True/False) Peers in a pure P2P architecture are always centrally connected to a main server.
In the context of Web caching, what is the goal of a proxy server?
In the context of Web caching, what is the goal of a proxy server?
What is one of the primary reasons for Web caching?
What is one of the primary reasons for Web caching?
What is the function of the FTP server port 21?
What is the function of the FTP server port 21?
What does SMTP stand for in the context of electronic mail?
What does SMTP stand for in the context of electronic mail?
What are the three major components of electronic mail?
What are the three major components of electronic mail?
What does DNS stand for in the context of domain name system?
What does DNS stand for in the context of domain name system?
What protocol is typically used for retrieval from the mail server?
What protocol is typically used for retrieval from the mail server?
What is the primary function of DNS in network applications?
What is the primary function of DNS in network applications?
'404 Not Found' status code in HTTP indicates:
'404 Not Found' status code in HTTP indicates:
What protocol is used between mail servers to send email messages?
What protocol is used between mail servers to send email messages?
What is one of the drawbacks of non-persistent HTTP?
What is one of the drawbacks of non-persistent HTTP?
What is the primary function of the socket API in creating network applications?
What is the primary function of the socket API in creating network applications?
What does the status code '404 Not Found' indicate?
What does the status code '404 Not Found' indicate?
What transport service does an app need if it requires 100% reliable data transfer?
What transport service does an app need if it requires 100% reliable data transfer?
What is the primary goal of the application layer in computer networking?
What is the primary goal of the application layer in computer networking?
Which type of network application protocol follows the client-server paradigm?
Which type of network application protocol follows the client-server paradigm?
In a pure P2P architecture, what is a characteristic of peers?
In a pure P2P architecture, what is a characteristic of peers?
Which of the following is an example of a peer-to-peer application?
Which of the following is an example of a peer-to-peer application?
What does persistent HTTP allow in terms of TCP connections?
What does persistent HTTP allow in terms of TCP connections?
What does a peer do once it has accumulated all file chunks in BitTorrent?
What does a peer do once it has accumulated all file chunks in BitTorrent?
How many RTTs (Round-Trip Times) are required for each object in non-persistent HTTP?
How many RTTs (Round-Trip Times) are required for each object in non-persistent HTTP?
What does the browser do after receiving the IP address from DNS?
What does the browser do after receiving the IP address from DNS?
What is included in an HTTP request message?
What is included in an HTTP request message?
