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Cisco 1 - Networking Basics Chapter 7

What is the maximum distance for thick Ethernet without using a repeater?

1. 185m (606.95 ft.)
2. 250m (820.2 ft.)
3. 500m (1640.4 ft.)
4. 800m (2624.64 ft.)

Perrine. J 07/15/09 Page 1


What is the maximum distance for thick Ethernet without using a repeater?

? 185m (606.95 ft.)
? 250m (820.2 ft.)
? 500m (1640.4 ft.)
? 800m (2624.64 ft.)



Which of the following are common to all versions of Gigabit Ethernet? (Choose
three.)

1. packet size
2. frame format
3. medium
4. timing
5. transmission
6. wavelength



Which of the following are common to all versions of Gigabit Ethernet? (Choose
three.)

? packet size
? frame format
? medium
? timing
? transmission
? wavelength



Identify two Gigabit Ethernet cable specifications.

1. 1000BASE-TX
2. 1000BASE-FX
3. 1000BASE-SX
4. 1000BASE-LX
5. 1000BASE-X



Identify two Gigabit Ethernet cable specifications.

? 1000BASE-TX
? 1000BASE-FX
? 1000BASE-SX
? 1000BASE-LX
? 1000BASE-X



Which applications take advantage of the increased data transport speeds
provided by 1000BASE-T? (Choose four.)

1. inter-switch links
2. video streaming applications
3. server to DAT backup drive links
4. thin clients and their servers
5. intra-building backbones
6. network connected printers



Which applications take advantage of the increased data transport speeds
provided by 1000BASE-T? (Choose four.)

? inter-switch links
? video streaming applications
? server to DAT backup drive links
? thin clients and their servers
? intra-building backbones
? network connected printers



Which of the following has limited the bandwidth of fiber based Ethernet?
(Choose three.)

1. emitter technology
2. absolute fiber light-carrying capacities
3. theoretical limits of fiber capacity
4. fiber manufacturing processes
5. detector technology
6. angles and curves in the fiber run



Which of the following has limited the bandwidth of fiber based Ethernet?
(Choose three.)

? emitter technology
? absolute fiber light-carrying capacities
? theoretical limits of fiber capacity
? fiber manufacturing processes
? detector technology
? angles and curves in the fiber run



Why is the half-duplex operation undesirable for Gigabit Ethernet? (Choose
three.)

1. Gigabit Ethernet is inherently full-duplex.
2. Half-duplex operation reduces the effective cable lengths.
3. Half-duplex Gigabit Ethernet will need thicker cable for full operation
support.
4. Half-duplex Gigabit Ethernet requires native mode NRZ conversion.
5. Half-duplex operation introduces increased overhead by the carrier
extension.
6. Half-duplex requires the use of more expensive equipment with larger
sized buffers.



Why is the half-duplex operation undesirable for Gigabit Ethernet? (Choose
three.)

? Gigabit Ethernet is inherently full-duplex.
? Half-duplex operation reduces the effective cable lengths.
? Half-duplex Gigabit Ethernet will need thicker cable for full operation
support.
? Half-duplex Gigabit Ethernet requires native mode NRZ conversion.
? Half-duplex operation introduces increased overhead by the
carrier extension.
? Half-duplex requires the use of more expensive equipment with larger
sized buffers.



Which type of device could be used to interconnect a 1000BASE-T network to
a 100BASE-T network? (Choose two.)

1. multi-port hub
2. speed adapting repeater
3. Layer 2 bridge
4. repeating NIC
5. multi-port Layer 3 bridge
6. switch



Which type of device could be used to interconnect a 1000BASE-T network to
a 100BASE-T network? (Choose two.)

? multi-port hub
? speed adapting repeater
? Layer 2 bridge
? repeating NIC
? multi-port Layer 3 bridge
? switch



Gigabit Ethernet rapidly became the dominant technology for which
applications? (Choose three.)

1. general infrastructure needs
2. general client to server links
3. high-speed cross-connects
4. backbone installations
5. thick client connectivity
6. thin client connectivity



Gigabit Ethernet rapidly became the dominant technology for which
applications? (Choose three.)

? general infrastructure needs
? general client to server links
? high-speed cross-connects
? backbone installations
? thick client connectivity
? thin client connectivity



100BASE-TX operates in which transmission modes? (Choose two.)

1. reverse simplex
2. full-duplex
3. half-duplex
4. full-biplex
5. single phase biplex



100BASE-TX operates in which transmission modes? (Choose two.)

? reverse simplex
? full-duplex
? half-duplex
? full-biplex
? single phase biplex



Which media types can be used in an implementation of a 10BASE-T network?
(Choose three.)

1. Category 5 UTP
2. Category 5e UTP
3. Category 3 UTP
4. coaxial cable
5. multi-mode fiber
6. single mode fiber



Which media types can be used in an implementation of a 10BASE-T network?
(Choose three.)

? Category 5 UTP
? Category 5e UTP
? Category 3 UTP
? coaxial cable
? multi-mode fiber
? single mode fiber



4D-PAM5 encoding method is used in which of the following Gigabit Ethernet?

1. 1000BASE-LX
2. 1000BASE-SX
3. 1000BASE-T
4. 1000BASE-CX



4D-PAM5 encoding method is used in which of the following Gigabit Ethernet?

? 1000BASE-LX
? 1000BASE-SX
? 1000BASE-T
? 1000BASE-CX



For a network manager planning the installation of a new network, which of the
following will be needed to implement a typical 10BASE-T network installation?
(Choose three.)

1. RJ-11
2. BNC connectors
3. RJ-48 patch cables
4. RJ-45 connectors
5. Category 5 UTP cables
6. hubs or switches



For a network manager planning the installation of a new network, which of the
following will be needed to implement a typical 10BASE-T network installation?
(Choose three.)

? RJ-11
? BNC connectors
? RJ-48 patch cables
? RJ-45 connectors
? Category 5 UTP cables
? hubs or switches



Which of the following were considered advantages of 10BASE5 networks?
(Choose two.)

1. easy to install
2. easy to find hardware
3. inexpensive
4. no configuration



Which of the following were considered advantages of 10BASE5 networks?
(Choose two.)

? easy to install
? easy to find hardware
? inexpensive
? no configuration



Which of the following Ethernet technologies share the same timing
parameters? (Choose three.)

1. 10BASE2
2. 10BASE5
3. 10BASE-T
4. 100BASE-TX
5. 100BASE-FX
6. 100BASE-RX



Which of the following Ethernet technologies share the same timing
parameters? (Choose three.)

? 10BASE2
? 10BASE5
? 10BASE-T
? 100BASE-TX
? 100BASE-FX
? 100BASE-RX



Which LX4 serial bit stream is used to support four-bit simultaneous
wavelengths?

1. WWDD
2. WWJD
3. WWDM
4. 4B/5B
5. 8B/10B
6. 64B/66B



Which LX4 serial bit stream is used to support four-bit simultaneous
wavelengths?

? WWDD
? WWJD
? WWDM
? 4B/5B
? 8B/10B
? 64B/66B



Which of the following is the line encoding conversion used by 1000BASE-X?

1. SRS
2. PCM
3. NZS
4. B8ZS
5. NRZ
6. ASCII



Which of the following is the line encoding conversion used by 1000BASE-X?

? SRS
? PCM
? NZS
? B8ZS
? NRZ
? ASCII



Which class of repeater changes between one Ethernet implementation and
another?

1. Class I
2. Class II
3. Class III
4. Class IV
5. Class V



Which class of repeater changes between one Ethernet implementation and
another?

? Class I
? Class II
? Class III
? Class IV
? Class V



What is the transmission medium for 1000BASE-SX?

1. Long-wave laser over single-mode and multimode fiber
2. Category 5 UTP copper wiring
3. Balanced, shielded, 150 ohm, two-pair STP copper cable
4. Short-wave laser over multimode fiber



What is the transmission medium for 1000BASE-SX?

? Long-wave laser over single-mode and multimode fiber
? Category 5 UTP copper wiring
? Balanced, shielded, 150 ohm, two-pair STP copper cable
? Short-wave laser over multimode fiber



What is the IEEE standard for 10-Gb Ethernet?

1. 802.3z
2. 802.3u
3. 802.3ae
4. 803.3



What is the IEEE standard for 10-Gb Ethernet?

? 802.3z
? 802.3u
? 802.3ae
? 803.3


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