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

A communication device that combines transmissions from several I/O devices into one line is a
A) Concentrator
B) Modifier
C) Multiplexer
D) Full duplex file

Which layers of the OSI determines the interface often system with the user?
A) Network
B) Application
C) Data link
D) Session

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

In which OSI layers does the FDDI protocol operate?
A) Physical
B) Data link
C) Network
D) A and B

In FDDI, data normally travel on ..................
A) The primary ring
B) The Secondary ring
C) Both rings
D) Neither ring

The ............ layer of OSI model can use the trailer of the frame for error detection.
A) Physical
B) Data link
C) Transport
D) Presentation

In a ................ topology, if there are n devices in a network, each device has n-1 ports for cables.
A) Mesh
B) Star
C) Bus
D) Ring