Deck 5: Devices for Connecting Networks

Question 1

____ provide bridging capacity along with the ability to increase the bandwidth on existing networks.

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

Answer 1

A

Question 2

Segments of a network connected by switches form a collision domain.

Answer 2

False

Question 3

Unlike bridges,routers can direct packets to specific networks.

Answer 3

True

Question 4

A(n)____ communicates using upstream and downstream frequencies (channels)that are already allocated by a cable service.

A)terminal adapter
B)DCE
C)intelligent adapter
D)cable modem

Question 5

____ routes are routes set up by the network administrator and specify fixed paths between two routers.

A)Static
B)Source
C)Dynamic
D)Destination

Question 6

The method used by a repeater to close down a segment is called ____.

A)partitioning
B)formatting
C)signing
D)scanning

Question 7

Which of the following combines several types of WAN communications into one device and can sometimes be expanded or reconfigured for changes in WAN services?

A)access server
B)DSL modem
C)exchange server
D)remote router

Question 8

Which of the following is a digital modem-like device used by ISDN to connect a PC?

A)DSL modem
B)terminal adapter
C)data communications equipment
D)ITU

Question 9

Networks that contain two or more bridges use the ____ algorithm to bridge frames and to set up a system of checks performed by bridges.

A)shortest path
B)spanning tree
C)RIP
D)CRC

Question 10

Which of the following is the physical topology when a hub is used to connect network nodes?

A)bus
B)mesh
C)ring
D)star

Question 11

____ sends only the portion of the routing table that pertains to its most immediate router links,which is called the "link-state routing message."

A)RIP
B)The spanning tree algorithm
C)BGP
D)OSPF

Question 12

Communication over the copper wire used in DSL technologies is ____.

A)half-duplex
B)simplex
C)full-duplex
D)reflex

Question 13

A(n)____ bridge is used to segment network traffic for the purpose of reducing bottlenecks.

A)intelligent
B)translational
C)local
D)remote

Question 14

Which of the following typically refers to a software or hardware interface that enables two different types of networked systems or software to communicate?

A)switch
B)router
C)gateway
D)brouter

Question 15

Which of the following is a grouping of storage devices,such as hard disk arrays,that form a subnet so that the storage is available to any server on the main network?

A)SAN
B)USB
C)Gateway
D)SNMP

Question 16

Which of the following is a computer or device that prepares data to be transmitted over a telecommunication line?

A)DCE
B)SAN
C)modem
D)DTE

Question 17

Unlike a cable modem user,a DSL modem user employs the full bandwidth of his or her line.

Question 18

A bridge does not have the ability to look at frame addresses.

Question 19

____ communications are continuous bursts of data controlled by a clock signal that starts each burst.

A)Synchronous
B)Buffered
C)Asynchronous
D)Timed

Question 20

Routing Information Protocol (RIP)can determine the best path to take when different options are available,such as Fast Ethernet versus Gigabit Ethernet.

Question 21

Match each term with the correct statement below.
a.hop
b.dynamic routing
c.data terminal equipment (DTE)
d.multistation access unit (MAU)
e.data service unit (DSU)
f.concentrator
g.modem
h.cut-through switching
i.translational bridge
uses routing protocols independent of a network administrator

Question 22

Match each term with the correct statement below.
a.hop
b.dynamic routing
c.data terminal equipment (DTE)
d.multistation access unit (MAU)
e.data service unit (DSU)
f.concentrator
g.modem
h.cut-through switching
i.translational bridge
converts a computer's outgoing digital signal to an analog signal for transmission over a telephone line.

Question 23

The ____ is a physical interface between a network device,such as a router,and a T-carrier line.

A)intelligent adapter
B)channel service unit
C)terminal adapter
D)data service unit

Question 24

In relation to ISDN,a(n)____________________ converts a digital signal to a protocol that can be sent over a digital telephone line.

Question 25

Match each term with the correct statement below.
a.hop
b.dynamic routing
c.data terminal equipment (DTE)
d.multistation access unit (MAU)
e.data service unit (DSU)
f.concentrator
g.modem
h.cut-through switching
i.translational bridge
a computer or device that prepares data to be transmitted over a telecommunication line.

Question 26

What four Physical layer functions can a repeater perform?

Question 27

______________________________ is a digital technology that uses an intelligent adapter to send a digital signal over a telephone wire.

Question 28

Match each term with the correct statement below.
a.hop
b.dynamic routing
c.data terminal equipment (DTE)
d.multistation access unit (MAU)
e.data service unit (DSU)
f.concentrator
g.modem
h.cut-through switching
i.translational bridge
accomplished by forwarding portions of frames before the entire frame is received.

Question 29

Which of the following do routers using dynamic routing protocols perform automatically? (Choose all that apply.)

A)populate the routing table with static routes
B)determine to which switch port a packet should be forwarded to reach the network destination
C)determine shortest paths to other networks
D)determine which other routers on other network segments can be reached

Question 30

Which of the following are true about RIP? (Choose all that apply.)

A)uses hop count as its metric
B)sends information pertaining only to its most immediate router links
C)limited to 15 hops
D)packages routing information in a more compact format than OSPF

Question 31

Which of the following are functions performed by a bridge? (Choose all that apply.)

A)filtering
B)scanning
C)forwarding
D)learning

Question 32

Which of the following are Physical layer functions performed by a repeater? (Choose all that apply.)

A)filter frames based on MAC address
B)filter out signal noise
C)retime the signal
D)examine the signal for CRC errors

Question 33

Match each term with the correct statement below.
a.hop
b.dynamic routing
c.data terminal equipment (DTE)
d.multistation access unit (MAU)
e.data service unit (DSU)
f.concentrator
g.modem
h.cut-through switching
i.translational bridge
acts as a central hub on a token ring network.

Question 34

Match each term with the correct statement below.
a.hop
b.dynamic routing
c.data terminal equipment (DTE)
d.multistation access unit (MAU)
e.data service unit (DSU)
f.concentrator
g.modem
h.cut-through switching
i.translational bridge
convert frames from one access method and media type to another

Question 35

Match each term with the correct statement below.
a.hop
b.dynamic routing
c.data terminal equipment (DTE)
d.multistation access unit (MAU)
e.data service unit (DSU)
f.concentrator
g.modem
h.cut-through switching
i.translational bridge
device that can have multiple inputs and outputs active at the same time.

Question 36

A(n)____________________ connects two or more cable segments and retransmits any incoming signal to all other segments.

Question 37

Match each term with the correct statement below.
a.hop
b.dynamic routing
c.data terminal equipment (DTE)
d.multistation access unit (MAU)
e.data service unit (DSU)
f.concentrator
g.modem
h.cut-through switching
i.translational bridge
regeneration,amplification,and movement of a packet from one network onto another network.

Question 38

Match each term with the correct statement below.
a.hop
b.dynamic routing
c.data terminal equipment (DTE)
d.multistation access unit (MAU)
e.data service unit (DSU)
f.concentrator
g.modem
h.cut-through switching
i.translational bridge
converts the signal received by the CSU to one that can be placed on a network and be received by a computer.

Question 39

A process called ________________ occurs when a bridge does not know the destination segment and transmits the frame to all segments except the source segment.

Question 40

A(n)____________________ is a network device that connects one LAN segment to another and operates at the MAC sublayer of the OSI Data Link layer.

Question 41

How does store-and-forward switching work?

Question 42

Define RIP and explain how it is used.

Question 43

Name four functions that bridges are used for?

Question 44

What is a collision and what defines a collision domain?

Question 45

Identify five functions generally performed by routers.

Question 46

Name three purposes for which a gateway might be used.

Question 47

Identify six functions performed by a hub.

Question 48

Define synchronous and asynchronous communications.

Question 49

Describe an access server that is designed for small to mid-sized applications.