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341) The highest layer of the OSI model is:
(a) Physical layer
(b) Data Link layer
(c) Presentation layer
(d) Application layer
The answer is: (d) Application layer
342) A network that covers a large area, such as a city, country, or world, is called:
(a) LAN
(b) WAN
(c) Router
(d) Bridge
The answer is: (b) WAN
343) 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) Mesh topology
The answer is: (c) Star topology
44) Which one of the common protocols is used for E-mail?
(a) FTP
(b) PPP
(c) SMTP
(d) POP
The answer is: (c) SMTP
345) The OSI model has:
(a) 3 layers
(b) 7 layers
(c) 10 layers
(d) 11 layers
The answer is: (b) 7 layers
346) The bandwidth requirement for human voice is:
(a) 100000 to 200000 Hz
(b) 5000 to 20000 Hz
(c) 20000 to 30000 Hz
(d) 25000 to 40000 Hz
The answer is: (a) 100000 to 200000 Hz
347) IEEE 802.3 is:
(a) Device Name
(b) Protocol
(c) Topology
(d) None
The answer is: (b) Protocol
348) Which of the following is an Internet Protocol?
(a) Y25
(b) TCP/IP
(c) PCT/PI
(d) ITTT
The answer is: (b) TCP/IP
349) The symbol that separates parts of an e-mail address is:
(a) Σ
(b) @
(c) ≠
(d) =
The answer is: (b) @
350) The card used for Internet connection is:
(a) Network card
(b) Modem card
(c) VGA card
(d) Graphic card
The answer is: (b) Modem card
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