Networking Protocols Quiz

Which of the following is not an application-layer protocol?

• HTTP

• FTP

• DNS

• TCP

Which architecture requires a central always-on server?

• Peer-to-peer

• Client-server

• Distributed hash table

• CDN

In peer-to-peer (P2P) architecture, which of the following is true?

• Peers only act as clients

• Peers require a central server to function

• Peers contribute resources

• P2P is slower than client-server

A process on one host communicates with a process on another host via:

• Transport protocol

• IP address

• Socket

• DNS server

Which of the following information is needed to identify a socket?

• Domain name only

• IP address and MAC address

• IP address and port number

• URL and protocol

HTTP is a ______ protocol.

• Connectionless

• Stateful

• Layer 3

• Application-unaware

What is the default port for HTTP?

• 20

• 21

• 80

• 443

What is the purpose of cookies in HTTP?

• Encrypt the message

• Maintain state information

• Speed up DNS lookups

• Reduce bandwidth

Which of the following HTTP methods is used to request a document?

• PUSH

• PULL

• GET

• FETCH

Which HTTP feature helps reduce redundant data transfer when a resource hasn't changed?

• Web socket

• Conditional GET

• Cookie-based session

• Pipelining