Chapter 7 Class Test
Hubs (and switches) support only twisted pair cable for interhub connection.
False
In a shared segment network, each workstation then has a private or dedicated connection.
False
n a shared segment network, each workstation then has a private or dedicated connection.
False
IEEE created the 100-Mbps Ethernet 802.3u protocol also called ____ Ethernet. a. FDDIb. Fastc. Gigabitd. Terabit
Fast
A local area network performs file serving when it's connected to a workstation with a large storage disk drive that acts as a central storage repository, or server. a. application b. database c. printer d. file
File
A ____ is a device that interconnects two or more workstations in a star-wired bus local area network and immediately retransmits the data it receives from any workstation out to all other workstations connected a. repeater b. switch c. hub d. Router
Hub
Two different signaling technologies can be used with a bus network: baseband signaling and ____signaling. a. unibandb. singlebandc. multibandd. broadband
broadband
Whether shared or dedicated segments are involved, the primary goal of a(n) ____ is to isolate a particular pattern of traffic from other patterns of traffic or from the remainder of the network. a. repeaterb. hubc. switchd. amplifier
switch
More complex bus topologies consisting of multiple interconnected cable segments are termed ____. a. rings b. trees c. tokens d. stars
trees
One of the more interesting applications for a dedicated segment network and a switch is creating a ____. a. virtual LAN b. shared LAN c. local LAN d. dedicated LAN
virtual LAN
In a ____ architecture, the data frame begins to exit the switch almost as soon as it begins to enter the switch. a. cut-through b. random-propagation c. forward d. backward
cut-through
A ____ system transmits 10-Mbps baseband (digital) signals over twisted pair for a maximum of 100 meters per segment length. a. 1Base5b. 100BaseTXc. 10Broad36d. 10BaseT
10BaseT
____ was a system designed for twisted pair wiring, but with only a 1-Mbps data transfer rate for 500 meters. a. 10Broad36b. 10BaseTc. 1Base5d. 100BaseTX
1Base5
If a switch has eight 100-Mbps ports, the backplane has to support a total of ____ Mbps.a. 400 b. 200 c. 600 d. 800
800
A relatively new standard, IEEE ____, was designed to allow multiple devices to intercommunicate and work together to create a virtual LAN a. 802.1P b. 802.1a c. 802.1Q d. 802.1g
802.1Q
1000BaseT is capable of using only the Category 7 cable specification.
False
A local area network cannot interface with other local area networks.
False
A local area network is only as strong as its strongest link.
False
Baseband signaling typically uses multiple digital signals to transmit data over the bus.
False
The local area network first appeared in the 1950s.
False
The switch operates in place of a ____ repeater router bridge Hub
Hub
________________ allows you to combine two ore more data paths, or links, into one higher-speed link. a. The Spanning Tree Algorithmb. A virtual LANc. Link aggreationd. Quality of service
Link aggregation
The ____ design of a network determines how the data moves around the network from workstation to workstation. a. physical b. electrical c. data d. logical
Logical
The local area network software called a ____ server provides workstations with the authorization to access a particular printer, accepts and queues prints jobs, prints cover sheets, and allows users access to the job queue for routine administrative functions. a. databaseb. filec. printd. application
1000BaseSX was the first Gigabit Ethernet standard.
True
A cut-through switch does not store a data frame and then forward it.
True
A hub is a simple device that requires virtually no overhead to operate.
True
All bus networks share a major disadvantage: In general, it is difficult to add a new workstation if no tap currently exists.
True
By keeping all of the application on the server, the network can control access to the software and can reduce the amount of disk storage required on each user's workstation for this application.
True
Most switches are transparent, which means they learn by themselves.
True
One of the biggest advantages of local area networks is their ability to share resources in an economical and efficient manner.
True
Switches can be used in combination with routers to further isolate traffic segments in a local area network.
True
Switches can significantly decrease interconnection traffic and increase the throughput of the interconnected networks or segments.
True
The bus/tree topology was the first physical design used when local area networks became commercially available in the late 1970s.
True
The term "Base", such as in 100BaseT, is an abbreviation for baseband signals using a Manchester encoding.
True
Three of the most popular local area network systems are Ethernet, IBM Token Ring, and Wireless Ethernet.
True
With the CSMA/CD protocol, only one workstation at a time can transmit.
True
____ cabling has become the preferred medium for star-wired bus topologies. a. FDDIb. Fiber-opticc. Coaxiald. Twisted pair
Twisted pair
The most popular contention-based protocol is ____. a. token ringb. carrier sense multiple access with collision detection (CSMA/CD)c. carrier sense multiple access with collision avoidance (CSMA/CA)d. round-robin
carrier sense multiple access with collision detection (CSMA/CD)
The interval during which the signals propagate down the bus and back is the ____. a. collision windowb. bounce windowc. exponential backoffd. attenuation
collision window
In a ____ architecture, the data frame begins to exit the switch almost as soon as it begins to enter the switch. a. cut-throughb. backwardc. random-propagationd. forward
cut-through
In ____ segment networks, a switch may be directly connected to a workstation, and the switch connects to the hub. a. dedicatedb. sharedc. distributedd. remote
dedicated
____ segment networks, a switch may be directly connected to a workstation, and the switch connects to the hub. distributed shared remote dedicated
dedicated
A local area network performs file serving when it's connected to a workstation with a large storage disk drive that acts as a central storage repository, or ____ server. a. fileb. applicationc. databased. printer
file
With ____, you can send electrical power over the Ethernet connection. a. power over Ethernet (PoE)b. FDDIc. 1Base5d. 10GBase-fiber
power over Ethernet (PoE)
The ____ is used to connect local area networks to wide area networks. a. repeaterb. routerc. hubd. bridge
router
Depending on user requirements, a switch can interconnect two different types of CSMA/CD network segments: ____ segments and dedicated segments. a. local b. remote c. shared d. distributed
shared
The most popular configuration for a local area network is the ____ topology. a. bus b. star-wired bus c. tree d. ring
star-wired bus
A ____ is a device that interconnects two segments of local area networks and acts as a filter. a. router b. satellite c. switch d. hub
switch
The ____ sublayer is primarily responsible for logical addressing and providing error control and flow control information. a. medium access control (MAC) b. logical link control (LLC) c. medium physical control (MPC) d. physical access control (PAC)
logical link control (LLC)
