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Chapter 3
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Preguntas del test (25)
11. Which of the following describes the arrangement of network cabling between devices?
- Aa. Logical topology
- Bb. Networking technology
- Cc. Physical topology
- Dd. Media access method
22. Which of the following is an advantage of a star topology? (Choose all that apply.)
- Aa. Allows faster technologies than a bus does
- Bb. Requires less cabling than a bus
- Cc. Centralized monitoring of network traffic
- Dd. No single point of failure
33. Which topology is likely to be deployed in a WAN where there’s a central office and three branch offices, and you want all traffic from the branch offices to go through the central office network?
- ARing
- BPMP
- CMesh
- DPoint-to-point
44. Which technology is likely to be implemented as a point-to-point physical topology?
- Aa. Wi-Fi infrastructure mode
- BFDDI
- CEthernet
- Dd. Wireless bridge
55. Which of the following describes a hub-based Ethernet network?
- Aa. Physical bus
- Bb. Logical bus
- Cc. Physical switching
- Dd. Logical star
66. You’re configuring a WLAN in a long narrow ballroom. The only place you can put the AP is at the far end of the room. Which type of antenna should you use?
- Aa. Unidirectional
- Bb. Bidirectional
- Cc. Omnidirectional
- Dd. Semidirectional
77. Which best describes a typical wireless LAN?
- Aa. Logical ring topology
- Bb. Logical switching topology
- Cc. Logical bus topology
- Dd. Logical star topology
88. Which of the following is a characteristic of a switched logical topology? (Choose all that apply.)
- Aa. Uses a physical bus topology
- Bb. Creates dynamic connections
- Cc. Sometimes called a shared-media topology
- Dd. Uses a physical star topology
99. Which of the following is a characteristic of unshielded twisted-pair cabling? (Choose all that apply.)
- Aa. Consists of four wires
- Bb. Commonly used in physical bus topologies
- Cc. Has a distance limitation of 100 meters
- Dd. Susceptible to electrical interference
1010. Which of the following is a characteristic of fiber-optic cabling? (Choose all that apply.)
- Aa. Can be used in electrically noisy environments
- Bb. Requires only a single strand of fiber for network connections
- Cc. Carries data over longer distances than UTP
- Dd. Lower bandwidth capability
1111. Which topology most likely uses coaxial cabling?
- Aa. Physical star
- Bb. Logical ring
- Cc. Physical bus
- Dd. Logical switching
1212. Which of the following is true of a MAC address?
- Aa. A MAC address of all binary 1s in the source address indicates a broadcast frame.
- Bb. It’s sometimes called a logical address.
- Cc. A destination address of 12 hexadecimal Fs is a broadcast.
- Dd. It’s composed of 12 bits.
1313. Which type of Wi-Fi signal interference is most likely to be caused by leaves on trees?
- ADiffraction
- BReflection
- CRefraction
- DScattering
1414. Which of the following is a field of the most common Ethernet frame type? (Choose all that apply.)
- Aa. ARP trailer
- BFCS
- Cc. Destination MAC Address
- DData
- Ee. MAC type
1515. Which access method uses a "listen before sending" strategy?
- Aa. Token passing
- Bb. CSMA/CD
- Cc. Token bus
- DPolling
1616. Which of the following is true about full-duplex Ethernet? (Choose all that apply.)
- Aa. Stations can transmit and receive but not at the same time.
- Bb. Collision detection is turned off.
- Cc. It's possible only with switches.
- Dd. It allows a physical bus to operate much faster.
1717. Which of the following is defined by the extent to which signals in an Ethernet bus topology network are propagated?
- Aa. Physical domain
- Bb. Collision domain
- Cc. Broadcast domain
- Dd. Logical domain
1818. Which of the following is considered a property of Ethernet? (Choose all that apply.)
- Aa. Scalable
- Bb. Best-effort delivery system
- Cc. Guaranteed delivery system
- Dd. Obsolete technology
1919. Which of the following is true of IEEE 802.3an?
- Aa. Requires two pairs of wires
- Bb. Uses Category 5 or higher cabling
- Cc. Currently best for desktop computers
- Dd. Operates only in full-duplex mode
2020. Which of the following is a feature of 100BaseFX? (Choose all that apply.)
- Aa. Often used as backbone cabling
- Bb. Best when only short cable runs are needed
- Cc. The fastest of the Ethernet standards
- Dd. Uses two strands of fiber
2121. Which Wi-Fi standard can provide the highest bandwidth?
- Aa. 802.11ac
- Bb. 802.11b
- Cc. 802.11n
- Dd. 802.11g
2222. Which of the following is true about infrastructure mode in wireless networks? (Choose all that apply.)
- Aa. Best used for temporary networks
- Bb. Uses a central device
- Cc. Resembles a physical bus and logical ring
- Dd. Most like a logical bus and physical star
2323. How many channels can be used on an 802.11b network in North America?
- A7
- B11
- C9
- D13
2424. Which access method does Wi-Fi use?
- Aa. CSMA/CD
- Bb. Token bus
- Cc. Demand priority
- Dd. CSMA/CA
2525. Which Wi-Fi standard uses beamforming to allow an AP to send data to multiple devices simultaneously?
- Aa. 802.11ac
- Bb. 802.11n
- Cc. 802.11a
- Dd. 802.11g
Información
- Descripción
- Com Test sobre Chapter 3 , creado por whygtt b el 05/06/2017.
- Autor
- whygtt b
- Idioma
- English
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