CN QUIZ1

What is the full form of OSI?

• a) optical service implementation

• b) open service Internet

• c) open system interconnection

• d) operating system interface

Which layer is responsible for process to process delivery in a general network model?

• session layer
  

• b) data link layer

• c) transport layer

• d) network layer

Which network topology requires a central controller or hub?

• Ring
  

• b) Bus

• c) Star

• d) Mesh

Which of the following allows you to connect and login to a remote computer?

• SMTP

• HTTP

• FTP

• Telnet

Which connector does the STP cable use?

• BNC
  

• b) RJ-11

• c) RJ-45

• d) RJ-69

What is the port number of SMTP?

• 110

• 143

• 25

• 99

Which of the following layer isn’t present in the TCP/IP model but is included in the OSI model?

• Network layer

• Session layer

• Application layer

• Transport layer

What kind of transmission medium is most appropriate to carry data in a computer network that is exposed to electrical interferences?

• 1. Unshielded twisted pair

• 1. Optical fiber

• 1. Coaxial cable

• 1. Microwave

Which of the following is true with regard to the ping command?

• 1. Ping stands for Packet Internet Generator.

• 1. The ping command checks the port level connectivity between source destinations end points.

• Ping summarizes the packet loss and round-trip delay between two IP end points

• 1. The ping command activates the RARP protocol of the IP layer.

MAC address is also called ______.

• 1. Physical address

• 1. Logical address

• 1. Source address

• 1. Destination address