The layer one of the OSI model is
A) Physical layer
B) Link layer
C) Router layer
D) Broadcast layer

What is the name of the network topology in which there are bi-directional links between each possible node?
A) Ring
B) Star
C) Tree
D) Mesh

What is the commonly used unit for measuring the speed of data transmission?
A) Bytes per second
B) Baud
D) Both B and C

Which of the communication modes support two way traffic but in only once direction of a time?
A) Simplex
B) Half-duplex
C) Three - quarter's duplex
D) Full duplex

The loss in signal power as light travels down the fiber is called .............
A) Attenuation
B) Propagation
C) Scattering
D) Interruption

Which of the following TCP/IP protocols is used for transferring files form one machine to another.
A) FTP
B) SNMP
C) SMTP
D) RPC

A network that needs human beings to manually route signals is called....
A) Fiber Optic Network
B) Bus Network
C) T-switched network
D) Ring network

TCP/IP .................. layer corresponds to the OSI models to three layers.
A) Application
B) Presentation
C) Session
D) Transport

Which of the transport layer protocols is connectionless?
A) UDP
B) TCP
C) FTP
D) Nvt

Which of the following applications allows a user to access and change remote files without actual transfer?
A) DNS
B) FTP
C) NFS
D) Telnet

The data unit in the TCP/IP layer called a .....
A) Message
B) Segment
C) Datagram
D) Frame