Test
Ch.3 quiz
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Preguntas del test (19)
1Which Ethernet standard specifies speeds of 40 and 100 Gbps and can run up to 7 meters over copper?
- A802.3ae
- B802.3ba
- C802.3u
- D802.3z
2When a wireless computer uses peer-to-peer connection to directly connect to another wireless computer, it is operating in what mode?
- AWi-Fi
- Bad hoc
- Chot spot
- Dinfrastructure
3Which of the following is NOT true about 2.5/5gBaseT Ethernet?
- AIt can be used as an uplink for 802.11ac networks.
- BIt has a maximum distance of 100 meters.
- CIt requires at least Cat 6A cabling.
- DIt is defined by 802.3bz.
4Which of the following is NOT a field in an Ethernet frame header?
- AType
- BFCS
- CTime-to-live
- DSource MAC
5In a physical bus topology, both ends of the medium must be terminated in order to prevent what?
- ASignal bounce
- BCollision
- Csignal propagation
- Dsignal degradation
6In a token ring network, what is the central device called?
- Amultiservice switch
- Bmultiport Ethernet switch
- Cmultistation access unit
- Dmultisession drive
7The physical [blank_start]bus[blank_end] topology is a continuous length of cable connecting one computer to another in a daisy-chain fashion and terminated at both ends.
- Abus
8In which topology does a central device communicate with two or more devices and is used in WANs where a main office has connections to several branch offices via a router?
- Aswitched
- Blogical star
- Cpoint-to-multipoint
- Dlogical bus
9When a wireless computer connects with an AP before it connects with other devices, it is operating in [blank_start]infrastructure[blank_end] mode
- Ainfrastructure
10Which of the following is NOT an advantage of a physical star?
- Ause of faster technologies
- Beasier network upgrades
- Csingle point of failure
- Dcentralized monitoring and management of traffic
11A [blank_start]mesh[blank_end] topology is fully redundant and is the most expensive to implement.
- Amesh
12What is the most common topology and technology combination in use today?
- Alogical bus/ wireless LAN
- Blogical ring/ token ring
- Cswitched/ Ethernet
- Dlogical bus/ Ethernet
13The physical bus topology is no longer used because it requires extra cable and a central device to connect all the computers.
- AVerdadero
- BFalso
14When discussing Ethernet standards, what does the XbaseY terminology refer to?
- AThe length of the cabling, the type of transmissions, and the transmission speed
- Bthe length or type of cabling, the transmission speed, and the type of transmissions
- Cthe transmission speed, the length or type of cabling, and the type of transmissions
- Dthe transmission speed, the type of the transmissions, and the length or type of cabling
15Which of the following is true about collisions?
- Athey can occur on Ethernet half-duplex networks.
- BThey can only happen with switches
- CFewer computers means more collisions.
- DThey are a problem with Token Ring networks.
16Which kind of Wi-Fi antennas does the signal radiate out with equal strength in all directions?
- AMultidirectional
- BOmnidirectional
- CUnidirectional
- DSemidirectional
17What is an advantage of a point-to-point topology?
- Adata travels on a dedicated link
- Ballows may end-device connections
- Ca reliable and fast backbone
- Dprovides redundancy and fault tolerance
18In a large network, in which several switches need to be connected together, usually one device is placed at the center forming a(n) [blank_start]extended[blank_end] star.
- Aextended
19A point-to-point topology is typically used for WAN connections or wireless bridges.
- AVerdadero
- BFalso
Información
- Descripción
- Computer Science Test sobre Ch.3 quiz, creado por Chandler Norwood el 22/07/2022.
- Autor
- Chandler Norwood
- Idioma
- English
- Visitas
- 1
- Etiquetas
- Valoración
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