NPTEL Computer Networks And Internet Protocol Quiz-1

"Router operates at the Transprot Layer of the OSI model.". The statement is:

• True

• False

Which of the following two statements(s) is/are correct?  I.Physical layer converts digital data to analog signal and vice versa  II.Data link layer handles bit suffing and checksumsfor error handiling

• Only I is correct

• Only II is correct

• Both I and   II are correct

• None of the statements are correct.

Which one of the following technologies does a typical circuit switching protocol uses?

• Datagram packets

• Virtual circuit

• Time division

• none of the above

Which of the following is/are examples of applications? Layer protols of OSI model

• File Transfer Protocol

• User Datagram Protocol

• Ethernet

• Telnet

Which of the following is/are true for packet switching?

• Packet switching is less reliable.

• It is a store-and-forward technique.

• Call setup is required in packet switching

• None of the options

"Switch break up collision domain.". Then the statement is:

• True

• False

Which one of the following switching is not transparent (in terms of data traversal)? 

• Context switching   

• Packet switching and packet switching

• Both context and packet switching

• None of the context

What is the correct order of three phases in circuit switching? 

• Transfer > Establish > Disconnect 

• Establish > Disconnect > Transfer

• Establish > Transfer > Disconnect

• Transfer > Disconnect > Establish

What is a socket address? 

• Either IP address or port where application is running 

• Combination of IP address and MAC address

• Combination of port and MAC address

• Combination of port and IP address

Which of the following protocol is responsible for translating, say, www.w3.org into its corresponding IP address? 

• ARP

• DNS

• RARP

• None of these