U1-Ch2_TCP/IP Concepts

What does TCP/IP stand for?

• Transmission Control Protocol/Internet Process

• Transmission Control Process/Internet Protocol

• Transmission Control Protocol/Internet Protocol

• Transmission Control Process/Internet Process

Which layer of the TCP/IP stack is closest to the user?

• Transport Layer

• Internet Layer

• Application Layer

• Network Layer

What is the primary function of the Transport Layer?

• Encapsulates data into packets

• Encapsulates data into segments

• Provides a user interface

• Routes packets to their destination

Which protocol is connection-oriented?

• UDP

• ICMP

• HTTP

• TCP

What is the purpose of the TCP three-way handshake?

• To compress data

• To encrypt data

• To terminate a connection

• To establish a connection

What does the SYN flag signify in TCP?

• Data transfer

• Start of session

• Connection reset

• End of session

How many bits is the Initial Sequence Number (ISN)?

• 128 bits

• 64 bits

• 16 bits

• 32 bits

Which port is used by HTTP?

• 25

• 80

• 443

• 110

What is the maximum number of well-known ports?

• 128

• 65536

• 1024

• 256

Which protocol uses port 25?

• HTTP

• SMTP

• FTP

• DNS