Networking Quiz 3.1

What type of logical topology does a Wireless LAN use? 1) broadcast topology 2) switched topology 3) logical bus 4) logical star 5) hierarchical topology

logical bus

Which of the following is NOT an advantage of a physical star? 1) use of faster technologies 2) centralized monitoring and management of traffic 3) easier network upgrades 4) provides redundancy and fault tolerance 5) None of these choices

provides redundancy and fault tolerance

What is the wireless device used to link buildings without cable? 1) Router 2) Hub 3) Bridge 4) Switch 5) None of these choices

Bridge

When using UTP cabling, what is the maximum cable length that can be used from the NIC to a hub or switch? 1) 10 meters 2) 100 meters 3) 10 feet 4) 100 feet 5) 1000 meters

100 meters

802.11a operates at _____ Mbps.

54 Mbps

Which of the following is true about the token ring technology? (Choose all that apply.) 1) It uses RTS/CTS signaling before transmission can occur. 2) Less expensive than CSMA/CD networks. 3) All computers have equal access to the media. 4) Only the computer with the token can transmit data. 5) It uses a physical ring topology.

All computers have equal access to the media. Only the computer with the token can transmit data.

What is the media access method used by Ethernet? 1) CSMA/CD and CSMA/CA 2) All of these choices 3) CSMA/CA 4) CSMA/SNAP 5) CSMA/CD

CSMA/CD

Which of the following is an advantage of a star topology? (Choose all that apply.) 1) Centralized monitoring of network traffic 2) Allows faster technologies than a bus does 3) No single point of failure 4) Requires less cabling than a bus 5) It is more secure than a bus

Centralized monitoring of network traffic Allows faster technologies than a bus does

Which of the following is true about full-duplex Ethernet? (Choose all that apply.) 1) Each link becomes a separate broadcast domain. 2) Collision detection is turned off. 3) It allows a physical bus to operate much faster. 4) Stations can transmit and receive but not at the same time. 5) It's possible only with switches.

Collision detection is turned off. It's possible only with switches.

Which of the following is a field of the most common Ethernet frame type? (Choose all that apply.) 1) Preamble 2) Length 3) FCS 4) Destination MAC Address 5) Data

FCS Destination MAC Address Data

A network's logical topology takes into account the way that the computers are cabled together and whether they have a central connecting device or not. 1) True 2) False

False

A switch can operate in full-duplex mode, sending and receiving data at the same time, which may result in collisions. 1) True 2) False

False

Which of the following is a characteristic of unshielded twisted-pair cabling? (Choose all that apply.) 1) Has a distance limitation of 100 meters 2) Consists of four wires 3) Commonly used in physical bus topologies 4) It is relatively expensive 5) Susceptible to electrical interference

Has a distance limitation of 100 meters Susceptible to electrical interference

Which of the following is not a component of an Ethernet frame? 1) None of these choices 2) Destination MAC address 3) Frame check sequence (FCS) 4) Type 5) Source MAC address

None of these choices

Which of the following is a characteristic of a logical ring topology? (Choose all that apply.) 1) It's the most popular logical technology. 2) One technology uses an MAU. 3) It's used by FDDI. 4) It's used by Ethernet. 5) Some technologies use a token.

One technology uses an MAU. It's used by FDDI. Some technologies use a token.

Which of the following describes the arrangement of network cabling between devices? 1) None of these choices 2) Media access method 3) Networking technology 4) Logical topology 5) Physical topology

Physical topology

What is the most common topology and technology combination in use today? 1) switched / Ethernet 2) logical ring / token ring 3) logical bus / Ethernet 4) logical bus / wireless LAN 5) switched / wireless LAN

switched / Ethernet

A physical star topology has a single point of failure that may cause the entire network to go down. 1) True 2) False

True

Which technology is likely to be implemented as a point-to-point physical topology? 1) None of these choices 2) Wireless bridge 3) Ethernet 4) Wi-Fi infrastructure mode 5) FDDI

Wireless bridge

When a Wi-Fi signal passes through a solid object, it is said to attenuate (weaken). This type of signal interference is classified as _____. 1) diffraction 2) reflection 3) scattering 4) absorption 5) refraction

absorption