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

DNS can obtain the .................. of host if its domain name is known and vice versa.
A) Station address
B) IP address
C) Port address
D) Checksum

Which of the following OSI layers correspond to TCP/IP's application layer?
A) Application
B) IP Address
C) Session
D) All of the above

Devices on one network can communicate with devices on another network via a .......
A) File Server
B) Utility Server
C) Printer Server
D) Gateway