Deck 2: Network Devices

Question 1

Bridges operate at the Network layer of the OSI model.

Answer 1

False

Question 2

Devices that "see" the traffic of other devices are said to be on the same ____ as those devices.

A) ring
B) block
C) level
D) collision domain

Answer 2

D

Question 3

A ____ filters traffic between network segments by examining the destination MAC address.

A) hub
B) repeater
C) router
D) bridge

Answer 3

D

Question 4

____ have the most negative effect on network performance.

A) Routers
B) Bridges
C) Switches
D) Gateways

Question 5

A(n) ____ functions as both a bridge for nonroutable protocols and a router for routable protocols.

A) switch
B) hub
C) amplifier
D) brouter

Question 6

Switches filter based on ____ addresses.

A) logical
B) IP
C) MAC
D) TCP/IP

Question 7

Repeaters and hubs reformat data structures, so they can connect networks that require different types of frames.

Question 8

Like bridges, switches operate at the Network layer of the OSI model.

Question 9

____ increase network performance by reducing the number of frames transmitted to the rest of the network.

A) Switches
B) Gateways
C) Hubs
D) Amplifiers

Question 10

The IEEE standards for WLANs use unlicensed, but not unregulated, radio frequencies.

Question 11

If a single access point is available in infrastructure mode, then the mode is said to be a(n) ____.

A) Virtual Service Set (VSS)
B) Extended Service Set (ESS)
C) Basic Service Set (BSS)
D) Logical Service Set (LSS)

Question 12

Routers operate at the ____ layer of the OSI model.

A) Network
B) Transport
C) Data Link
D) Physical

Question 13

When TCP/IP is used on an internetwork, the logical address is known as a(n) ____ address.

A) MAC
B) IP
C) physical
D) domain

Question 14

A(n) ____ is usually a combination of hardware and software. Its purpose is to translate between different protocol suites.

A) amplifier
B) gateway
C) hub
D) router

Question 15

____ is a network access method (or media access method) originated by the University of Hawaii.

A) FDDI
B) AppleTalk
C) Ethernet
D) Token Ring

Question 16

On analog networks, devices that boost the signal are called ____.

A) routers
B) amplifiers
C) hubs
D) repeaters

Question 17

____ provide filtering and network traffic control on LANs and WANs. These devices can connect multiple segments and multiple networks.

A) Hubs
B) Routers
C) Switches
D) Bridges

Question 18

The number of nodes on a network and the length of cable used influence the quality of communication on the network.

Question 19

____ are commonly used to connect networks to the Internet.

A) Bridges
B) Switches
C) Routers
D) Hubs

Question 20

Typically WLANs involve multiple access points connected to various switches in the network. This type of infrastructure mode is known as a(n) ____.

A) Extended Service Set (ESS)
B) Basic Service Set (BSS)
C) Virtual Service Set (VSS)
D) Logical Service Set (LSS)

Question 21

Briefly describe Gigabit Ethernet.

Question 22

When machines must share a wire and compete for available bandwidth with other machines, they experience ____________________.

Question 23

Ethernet uses ____ to prevent data packets from colliding on the network.

A) CSMA/CD
B) CSMA/CA
C) AppleTalk
D) LPC

Question 24

What are the advantages of using a bridge?

Question 25

____________________ provide cell-based areas where wireless clients such as laptops and PDAs can connect to the network by associating with the access point.

Question 26

____________________ is the breaking down of a single heavily populated network segment into smaller segments, or collision domains, populated by fewer nodes.

Question 27

What are the advantages of using repeaters and hubs?

Question 28

What are the disadvantages of using routers on the network?

Question 29

Describe active and passive hubs.

Question 30

Briefly describe the components of a wireless network.

Question 31

In ____ communications, devices can send and receive signals simultaneously.

A) full-duplex
B) mutex
C) half-duplex
D) single-duplex

Question 32

____________________ usually refers to the physical layout of network cable and devices.

Question 33

Fast Ethernet is defined under the IEEE ____ standard.

A) 802.3b
B) 802.3f
C) 802.3u
D) 802.3z

Question 34

Briefly describe transparent bridges.

Question 35

What are the advantages of using switches?

Question 36

What are the steps for adding a WLAN to a LAN?

Question 37

A switch opens a(n) ____________________ between the source and the destination. This prevents communications between just two computers from being broadcast to every computer on the network or segment.

Question 38

A ____ is the physical area in which a frame collision might occur.

A) signal domain
B) jam area
C) jam domain
D) collision domain

Question 39

In ____ communications, devices can send and receive signals, but not at the same time.

A) full-duplex
B) half-duplex
C) duplex
D) wire-duplex

Question 40

____ Ethernet uses the same network access method (CSMA/CD) as common 10BaseT Ethernet, but provides 10 times the data transmission rate.

A) Fast
B) Gigabit
C) 10 Gigabit
D) Terabit

Question 42

What are the benefits of using full-duplex?