Chapter 4 - Modern Ethernet Flashcards
When a network device can both send and receive data at the same time, it is said to be_________.
full-duplex
_________has a maximum cable length of two kilometers and uses multimode fiber with ST or SC connectors.
100BaseFX
100BaseT is also known as__________.
100BaseTX
You can use a _____ to connect any type of Ethernet cabling together.
media converters
802.3z and 802.3ab are both_________standards.
gigabit ethernet
_________supports the longest maximum distance for Gigabit Ethernet.
1000BaseLX
The _____ and _____ IEEE standards support the longest maximum distance for 10 Gigabit Ethernet.
10GBaseER / 10GBaseEW
Many fiber experts consider the_______connector to be the predominant fiber connector.
local connecter
_________is the least expensive and most popular 10 GbE media type.
10GBaseLR
Switches with a(n) _____ port can support a variety of Gigabit port types.
gigabit interface converter (GBIC)
Which of the following are 100BaseT cable types? (Select two.)
A. Cat 3
B. Cat 5
C. Cat 5e
D. 10BaseFL
CAT 3, CAT 5, CAT 5e
What is the physical limit for the number of nodes on an Ethernet switch?
A. 24
B. 256
C. 512
D. 1024
1024
When a network device can only send data or receive data, but not both at the same time, it is operating in what mode?
A. Duplex
B. Full-duplex
C. Half-duplex
D. Halfplex
Half-duplex
What important technology is also known as Gigabit Ethernet?
A. 100BaseT
B. 100BaseFL
C. 100BaseFX
D. 1000BaseT
1000BaseT
Which term represents an agreement among multiple manufacturers to make interoperable devices and standards?
A. BiDi
B. MSA
C. QSFP
D. SFF
MSA
Which technology enables duplex communication over a single fiber connection?
A. BiDi
B. MSA
C. MT-RJ
D. UPC
BiDi
Which standard defines Fast Ethernet using fiber cabling?
A. 10BaseFL
B. 100BaseFX
C. 100BaseT4
D. 100BaseTX
100BaseFX
Which of the following are fiber connector types? (Select three.)
A. LC
B. LS
C. MT-RJ
D. ST
LC, MT-RJ, ST
Which standard defines Gigabit Ethernet over twisted pair copper wire?
A. 802.3ab
B. 802.3e
C. 802.3GbUTP
D. 802.3z
802.3ab
You’ve lost the manual to your router. How can you tell the difference between a 1000BaseT port and a 100BaseT port on a router just by looking?
A. The 1000BaseT ports are noticeably larger.
B. The 100BaseT ports are green, whereas the 1000BaseT ports are gray.
C. 1000BaseT ports are reversed with the clip on the top.
D. You can’t tell the difference by looking. They look exactly the same.
You can’t tell the difference by looking. They look exactly the same.
What is a big advantage to using fiber-optic cable?
A. Fiber is common glass; therefore, it’s less expensive.
B. Fiber is not affected by EMI.
C. Making custom cable lengths is easier with fiber.
D. All that orange fiber looks impressive in the network closet.
Fiber is not affected by EMI.
Which of the following is one of the most popular transceivers currently used in 10 GbE?
A. LC
B. MT-RJ
C. SFP
D. SFP+
SFP+
What is the big physical difference between 1000BaseSX and 100BaseFX?
A. 1000BaseSX uses the SC connector exclusively.
B. 1000BaseSX is single-mode, whereas 100BaseFX is multimode.
C. 1000BaseSX uses the ST connector exclusively.
D. There is no physical difference.
1000BaseSX uses the ST connector exclusively.
What is the difference between the R and W designations in 10GBase standards, such as 10GBaseLR and 10GBaseLW, or 10GBaseER and 10GBaseEW?
A. The R indicates “regular,” or half-duplex. The W indicates “wide mode,” which is the 10 Gigabit Ethernet version of full-duplex.
B. The R indicates “read,” or the ability to receive signals; the W indicates “write,” or the ability to send signals.
C. The R and W indicate differences in the circuitry, with the W versions used to connect to SONET equipment.
D. The R indicates the use of UTP, whereas the W indicates the use of fiber optics.
The R and W indicate differences in the circuitry, with the W versions used to connect to SONET equipment.
Which of the following is a standard fiber connector type?
A. AC
B. BC
C. EC
D. PC
PC
