Name: 
 

Networking Review 2



True/False
Indicate whether the statement is true or false.
 

 1. 

Most Ethernet networks are based on the star topology.
 

 2. 

The smallest LANs do not have a backbone.
 

 3. 

A serial backbone is the simplest kind of backbone.
 

 4. 

The most popular method for connecting nodes on a network is circuit switching.
 

 5. 

A network’s access method is its method of controlling how network nodes access the communications channel.
 

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 

A physical topology ____.
a.
specifies device types
c.
specifies connectivity methods
b.
depicts a network in broad scope
d.
specifies addressing schemes
 

 2. 

Without ____, a bus network would suffer from signal bounce.
a.
hubs
c.
terminators
b.
repeaters
d.
jamming
 

 3. 

In a ring network, each workstation acts as a(n) ____ for the transmission.
a.
repeater
c.
terminator
b.
amplifier
d.
manager
 

 4. 

A complex combination of pure topologies is known as a ____ topology.
a.
mixed
c.
compound
b.
hybrid
d.
mulitpart
 

 5. 

The most common logical topologies are ____ and ring.
a.
bus
c.
wired
b.
star
d.
hybrid
 

 6. 

A ____ is simply a linked series of devices.
a.
star
c.
ring
b.
star-wired ring
d.
daisy-chain
 

 7. 

In packet switching, when packets reach their destination node, the node ____ them based on their control information.
a.
disassembles
c.
reassembles
b.
deletes
d.
separates
 

 8. 

Collectively, MPLS labels are sometimes called a ____.
a.
header
c.
frame
b.
shim
d.
title
 

 9. 

All Ethernet networks, independent of their speed or frame type, use an access method called ____.
a.
CSMA
c.
CSAM/CD
b.
CSMA/DC
d.
CSMA/CD
 

 10. 

A ____ occurs when two transmissions interfere with each other.
a.
jam
c.
carrier sense
b.
collision
d.
multiple access event
 

 11. 

On an Ethernet network, a(n) ____ is the portion of a network in which collisions occur if two nodes transmit data at the same time.
a.
collision domain
c.
interference domain
b.
crash domain
d.
duplicate domain
 

 12. 

1000Base-T is a standard for achieving throughputs ____ times faster than Fast Ethernet over copper cable.
a.
2
c.
10
b.
5
d.
100
 

 13. 

The 10GBase-T standard is considered a breakthrough for transmitting 10 Gbps over ____ medium.
a.
coaxial
c.
fiber
b.
twisted pair
d.
atmosphere
 

 14. 

The most common 1-Gigabit Ethernet standard in use today is ____.
a.
1000Base-T
c.
10GBase-SR
b.
1000Base-SX
d.
1000Base-LX
 

 15. 

1000Base-SX has a maximum throughput of ____.
a.
1 Gbps
c.
100 Gbps
b.
10 Gbps
d.
1000 Gbps
 

 16. 

The 10-gigabit fiber optic standard with the shortest segment length is ____.
a.
10GBase-T
c.
10GBase-LR
b.
10GBase-SR
d.
10GBase-ER
 

 17. 

In the 10GBase-LR standard, the L stands for ____.
a.
long reach
c.
long ring
b.
LAN
d.
little ring
 

 18. 

Given their long-distance capabilities, 10GBase-ER and 10GBase-EW are best suited for use on ____.
a.
VANs
c.
LANs
b.
MANs
d.
WANs
 

 19. 

Within Ethernet frame types, the ____ signals to the receiving node that data is incoming and indicates when the data flow is about to begin.
a.
FCS
c.
preamble
b.
header
d.
frame
 

 20. 

The data portion of an Ethernet frame may contain ____ bytes of information.
a.
46
c.
1500
b.
46 to 1500
d.
more than 1500
 

 21. 

The Ethernet_II frame type contains a 2-byte ____ field which differentiates it from the older Ethernet_802.3 and Ethernet_802.2 frame types.
a.
data
c.
source
b.
length
d.
type
 

Completion
Complete each statement.
 

 1. 

In a(n) ____________________ topology, every node on the network is connected through a central device, such as a hub, router, or switch.
 

 

 2. 

A network backbone is the ____________________ that connects the hubs, switches, and routers on a network.
 

 

 3. 

____________________ is a component of a network’s logical topology that determines how connections are created between nodes.
 

 

 4. 

As part of CSMA/CD, a process known as ____________________ allows the NIC issue a special 32-bit sequence that indicates to the rest of the network nodes that its previous transmission was faulty and that those data frames are invalid.
 

 

 5. 

Because of its support for multiple Network layer protocols and because it uses fewer bytes as overhead, ____________________ is the frame type most commonly used on contemporary Ethernet networks.
 

 



 
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