1081. The highest layer of OSI model is _____________.

A. Physical Layer
B. Network Layer
C. Presentation Layer
D. Application Layer *

1082. A network that covers large area , city country and world is called _______.

A. LAN
B. WAN *
C. Router
D. Bridge

1083. If one or more computers are connected to a central Hub, this topology is called________.

A. Ring Topology
B. Bus Topology
C. Star Topology *
D. Modulation

1084. Which one the common protocols is used for E-mail?

A. FTP
B. PPP
C. SMTP *
D. POP

1085. OSI model has __________.

A. 11 Layers
B. 7 Layers *
C. 3 Layers
D. 10 Layers

1086. Bandwith requirement for human voice is __________.

A. 100000 to 200000 *
B. 5000 to 20000
C. 20000 to 30000
D. 25000 to 50000

1087. IEEE 802.3 is _________.

A. Device name
B. Protocol *
C. Topology
D. None

1088. Which of the following is internet protocol?

A. Y25
B. TCP/IP *
C. PCT/PI
D. ITTT

1089. Symbol that seperates parts of email address is ____________.

A. &
B. @ *
C. =
D. #

1090. The card which is used for internet _________.

A. Network card
B. Modem card *
C. VGA card
D. Graphic card