Chapter 3 Quiz

1		10BASE2 uses _______ cable while 10BASE5 uses _______.
			A)	thick coaxial, thin coaxial
			B)	twisted-pair, thick coaxial
			C)	thin coaxial, thick coaxial
			D)	none of the above
2		_______ specifies a physical star topology featuring a central hub and twisted-pair cable as the medium.
			A)	10BASE5
			B)	10BASE2
			C)	10BASE-T
			D)	none of the above
3		Frame Relay operates in the _______.
			A)	physical layer
			B)	data link layer
			C)	physical and data link layers
			D)	none of the above
4		Which ATM layer has a 53-byte cell as an end product?
			A)	physical
			B)	ATM
			C)	application adaptation
			D)	none of the above
5		The IP protocol uses the _______ sublayer.
			A)	AAL1
			B)	AAL2
			C)	AAL5
			D)	none of the above
6		Repeaters function in the _______ layer.
			A)	physical
			B)	data link
			C)	network
			D)	none of the above
7		Bridges function in the _______ layers.
			A)	physical and data link
			B)	data link and network
			C)	network and transport
			D)	none of the above
8		A bridge has access to the _______ address of a station on the same network.
			A)	logical
			B)	physical
			C)	port
			D)	none of the above
9		Routers function in the _______ layers.
			A)	physical and data link
			B)	physical, data link, and network
			C)	data link and network
			D)	none of the above
10		_______ has a higher transmission rate in the downstream direction than in the upstream direction.
			A)	VDSL
			B)	ADSL
			C)	SDSL
			D)	none of the above
11		_______ is suitable for businesses that require comparable upstream and downstream data rates.
			A)	VDSL
			B)	ADSL
			C)	SDSL
			D)	none of the above
12		_______ was designed as an alternative to the T-1 line.
			A)	VDSL
			B)	ADSL
			C)	HDSL
			D)	none of the above
13		A traditional TV network transmits signals _______.
			A)	upstream
			B)	downstream
			C)	upstream and downstream
			D)	none of the above
14		The second generation of cable networks is called a(n) _______ network.
			A)	HFC
			B)	GHC
			C)	FHC
			D)	none of the above
15		An HFC network uses _______ as the medium from the cable TV office to the fiber node.
			A)	optical fiber
			B)	coaxial cable
			C)	UTP
			D)	none of the above
16		In an ESS the _______ station is mobile.
			A)	AP
			B)	server
			C)	BSS
			D)	none of the above
17		In an ESS the _______ stations are part of a wired LAN.
			A)	AP
			B)	server
			C)	BSS
			D)	none of the above
18		SONET is a standard for _______ networks.
			A)	twisted-pair cable
			B)	coaxial cable
			C)	fiber-optic cable
			D)	none of the above
19		SONET is an acronym for _______ Network.
			A)	Synchronous Optical
			B)	Standard Optical
			C)	Symmetrical Open
			D)	none of the above
20		PPP is a _______ layer protocol.
			A)	physical
			B)	data link
			C)	physical and data link
			D)	none of the above