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98 Cards in this Set

  • Front
  • Back
STAR PHYSICAL TOPOLOGY
Which of the following is an advantage to using star topology networks over using bus or ring topology networks?
a. Star topology networks are more scalable.
b. Star topology networks are less expensive to install.
c. Star topology networks are easier to install.
d. Star topology networks are more secure.
1. a
STAR PHYSICAL TOPOLOGY
What would happen if a node in a star-wired Ethernet network failed?
a. Performance over the entire network would suffer slightly.
b. Only the failed node would be unable to transmit or receive data.
c. Data could no longer be transmitted or received at any point in the network.
d. The failed node would broadcast errors to the rest of the network.
2. b
STAR PHYSICAL TOPOLOGY
What is the function of a hub in a star-wired network?
a. to reduce RF emissions that may result in security breaches
b. to increase available bandwidth by sending multiplexed signals
c. to arbitrate addressing conflicts between sending nodes
d. to repeat signals to all nodes on the segment
3. d
STAR PHYSICAL TOPOLOGY
In a network using the star topology, five workstations and a hub would be connected via how many physical cables?
a. three
b. four
c. five
d. six
4. c
STAR PHYSICAL TOPOLOGY
In which of the following networks would it make the most sense to implement a star topology?
(Choose all that apply)
a. a home network that connects two computers
b. a WAN that connects freelance writers across the nation
c. a LAN that connects a dozen computers in an insurance company
d. a WAN that connects multiple churches within a city
a and c
STAR PHYSICAL TOPOLOGY
What would happen to a star network if one of its workgroup hubs failed?
a. All nodes connected to that hub would be unable to communicate with nodes on other segments,
but they could communicate with each other.
b. All nodes connected to that hub would be unable to communicate with nodes on other segments
as well as nodes on their own segment.
c. Nodes would be able to communicate with the network, as they would automatically connect to an alternate hub on the backbone.
d. Communication on the entire LAN would halt.
b
STAR PHYSICAL TOPOLOGY
What type of terminator is used on a star-wired network?
a. 20-ohm resistor
b. 50-ohm resistor
c. 100-ohm resistor
d. Terminators are not used on star-wired networks.
d
BUS PHYSICAL TOPOLOGY
On a bus topology, terminators eliminate the possibility of:
a. crosstalk
b. noise
c. signal bounce
d. EMI
c
BUS PHYSICAL TOPOLOGY
How many nodes share a single channel on a bus topology?
a. all connected nodes
b. one
c. two
d. four
a
BUS PHYSICAL TOPOLOGY
Which type of cable are you most likely to find on networks that use a bus topology?
a. UTP cable
b. STP cable
c. Coaxial cable
d. Fiber-optic cable
c
BUS PHYSICAL TOPOLOGY
What is one advantage of using a network based on the bus topology over a network based on the star or mesh topologies?
a. Bus topologies are more fault tolerant.
b. Bus topologies allow faster throughput.
c. Bus topologies are more secure.
d. Bus topologies are simpler to install and maintain.
d
BUS PHYSICAL TOPOLOGY
What type of device is used at either end of a bus network?
a. Terminator
b. Ohmmeter
c. Transceiver
d. Tracker
a
BUS PHYSICAL TOPOLOGY
You are the administrator for a LAN that uses the bus topology to connect seven workstations. Each
workstation runs Windows XP. What would you need to do if you wanted to add a workstation to the network and enable other workstations to read data from the new workstation’s hard disk?
a. Apply shared access to the appropriate folders on the new workstation.
b. Modify the sharing services parameters in the domain controller’s operating system.
c. Modify the file sharing properties on each workstation on the network so that each can read from the added workstation.
d. Add the new workstation’s account to a folder-sharing group on the network
a
BUS PHYSICAL TOPOLOGY
What would happen to the entire network if one of the nodes in a bus-wired network failed?
a. Performance would suffer slightly.
b. The failed node could not transmit data, but other nodes would be fine.
c. Data would no longer be transmitted to or from any node.
d. Errors would be broadcast to every node
c
MESH PHYSICAL TOPOLOGY
Which of the following advantages does a partial mesh topology provide?
a. All nodes have multiple connections to the network.
b. At least some nodes have multiple connections to the network.
c. Any node can be taken down without affecting network performance.
d. Network performance will be similar, no matter what kind of link is used between nodes
b
MESH PHYSICAL TOPOLOGY
Which of the following is the most fault-tolerant WAN topology?
a. partial-mesh
b. full-mesh
c. ring
d. bus
b
MESH PHYSICAL TOPOLOGY
If a full-mesh WAN consists of four locations, how many separate connections does it contain?
a. two
b. four
c. six
d. eight
c
MESH PHYSICAL TOPOLOGY
If a partial-mesh WAN consists of four locations, how many separate connections might it contain?
(Choose all that apply.)
a. two
b. three
c. four
d. five
c and d
MESH PHYSICAL TOPOLOGY
Which of the following organizations is most likely to use a full-mesh WAN?
a. a school district
b. a regional charitable organization
c. a regional power company
d. a local chain of grocers
c
MESH PHYSICAL TOPOLOGY
What would happen to the entire network if one of the nodes in a full-mesh WAN failed?
a. Performance for all locations on the WAN would suffer.
b. The failed location would be unable to transmit or receive data, but other locations could
communicate without a problem.
c. Data would no longer be transmitted to or from any of the locations.
d. The failed location would broadcast errors to every other location.
b
MESH PHYSICAL TOPOLOGY
A mesh WAN could connect LANs that use the bus topology. True or False?
true
RING PHYSICAL TOPOLOGY
In which two of the following topologies will the addition of more nodes detrimentally affect the
network’s performance?
a. bus
b. star
c. ring
d. mesh
a and c
RING PHYSICAL TOPOLOGY
At any given time, how many tokens circulate on a simple ring network?
a. one
b. five
c. ten
d. There are no limits on the number of tokens that may circulate.
a
RING PHYSICAL TOPOLOGY
What is the function of a token on a token-passing ring network?
a. It signals to the rest of the network to listen for traffic.
b. It signals to the rest of the network that the MAU is receiving an excessive number of errors.
c. It enables multiple nodes on the network to transmit data simultaneously.
d. It enables one node on the network to transmit data at any one time.
d
RING PHYSICAL TOPOLOGY
A modern day Token Ring network actually uses which of the following hybrid topologies?
a. star-bus
b. ring-bus
c. ring-tree
d. star-ring
d
RING PHYSICAL TOPOLOGY
In how many directions is data transmitted on a ring network?
a. one
b. two
c. It depends on the number of nodes on the network.
d. It depends on the location of the nodes on the network.
a
RING PHYSICAL TOPOLOGY

What would happen to the entire network if one of the nodes in a simple ring network failed?
a. Performance over the entire network would suffer slightly.
b. The failed node would be affected, but other nodes would be fine.
c. Data would no longer be transmitted to or from any nodes.
d. Errors would be broadcast to every node.
c
RING PHYSICAL TOPOLOGY

What ring element must a node possess before it is able to transmit over a ring network?
a. sender code
b. transcender
c. token
d. A node on a ring network can transmit at any time without restriction.
c
802.2 (LLC)
The 802.2 standards apply to what sublayer of the Data Link layer?
a. the MAC sublayer
b. the Logical Link Control sublayer
c. the Access Method sublayer
d. the Network Transmission sublayer
b
802.2 (LLC)
To which other standards body does IEEE contribute its recommendations?
a. ISO
b. OSI
c. ITU
d. ANSI
d
802.2 (LLC)
In what year was the IEEE 802 committee formed?
a. 1980
b. 1990
c. 1995
d. 1998
a
802.2 (LLC)
Which of the following MAC sublayer specifications can work with the 802.2 sublayer
specification? Choose all that apply.
a. 802.2
b. 802.3
c. 802.5
d. 802.15
b and c
802.2 (LLC)
Which of the following functions is handled by the 802.2 sublayer?
a. issuing electrical signals onto the wire
b. appending a physical address to a data frame
c. appending a logical address to a data frame
d. ensuring appropriate flow control for a group of data frames
d
802.2 (LLC)
The 802.2 specifications apply to the lower sublayer of the Data Link layer of the OSI Model.
True or False?
false
802.2 (LLC)
What was the primary reason the IEEE divided the OSI Model’s Data Link layer into two sublayers?
a. for the variety of functions required for point-to-point data communication
b. to simplify the process of ensuring proper addressing between sending and receiving nodes
c. to better articulate the difference between transmission and reception
d. to accommodate evolving encryption techniques
a
802.3 (ETHERNET)
Which network access method is defined by IEEE 802.3?
a. CSMA/CA
b. demand priority
c. token passing
d. CSMA/CD
d
802.3 (ETHERNET)
A network that follows 802.3 specifications would use which of the following topologies? Choose
all that apply.
a. bus
b. star
c. ring
d. cube
a and b
802.3 (ETHERNET)
At what sublayer of the Data Link layer do 802.3 standards operate?
a. MMC sublayer
b. LLC sublayer
c. MAC sublayer
d. Ethernet sublayer
c
802.3 (ETHERNET)
In the network access method specified by 802.3, which of the following are likely to occur?
a. collisions
b. sags
c. multiplexing
d. token arbitrations
a
802.3 (ETHERNET)
What network component is responsible for applying 802.3 standards to an electrical signal?
a. RJ-45 connector
b. RJ-11 connector
c. NIC
d. multimeter
c
802.3 (ETHERNET)
Which of the following networks would use 802.3 standards? Choose all that apply.
a. 10BASE-T
b. Token Ring
c. wireless LAN
d. 100BASE-TX
a and d
802.3 (ETHERNET)
At what data transmission speed is a modern 802.3-based Fast Ethernet network likely to run?
a. 1 Mbps
b. 4 Mbps
c. 10 Mbps
d. 100 Mbps
d
802.5 (TOKEN RING)
1.
Which of the following data transmission speeds would be used on 802.5 networks? Choose all that apply.
a. 1 Mbps
b. 4 Mbps
c. 10 Mbps
d. 16 Mbps
b and d
802.5 (TOKEN RING)
2.
What network access method is specified by the 802.5 standard?
a. CSMA/CA
b. demand priority
c. token-passing
d. CSMA/CD
c
802.5 (TOKEN RING)
3.
What type of media could be used by a network that relies on the 802.5 standard? Choose all
that apply.
a. coaxial cable
b. UTP
c. STP
d. single-mode fiber
b,c, and d
802.5 (TOKEN RING)
At which sublayer of the Data Link layer do 802.5 standards operate?
a. MMC sublayer
b. MAC sublayer
c. LLC sublayer
d. TMC sublayer
b
802.5 (TOKEN RING)
What network component is responsible for applying 802.5 standards to an electrical signal?
a. RJ-45 connector
b. RJ-11 connector
c. cabling
d. NIC
d
802.5 (TOKEN RING)
Why is the 802.3 standard more popular than the 802.5 standard?
a. The 802.3 standard is more reliable than the 802.5 standard.
b. The 802.3 standard is not subject to collisions and, therefore, suffers less data corruption than
the 802.5 standard.
c. The 802.3 standard can offer greater speed at lower overall cost than can the 802.5 standard.
d. The 802.3 standard is more compatible with evolving security standards than the 802.5
standard.
c
802.5 (TOKEN RING)
What type of physical topology would be used on an 802.5 network?
a. bus
b. star-wired bus
c. star-wired ring
d. cube
c
802.11 (WIRELESS)
What networking component is responsible for applying 802.11 standards to an electrical signal?
a. NIC
b. portal
c. base station
d. antenna
a
802.11 (WIRELESS)

Which of the following media is the least secure?

a. fiber-optic cable
b. UTP
c. direct infrared
d. spread-spectrum RF
c
802.11 (WIRELESS)

What is the theoretical maximum throughput of an 802.11b wireless LAN?

a. 2.4 Mbps
b. 5 Mbps
c. 11 Mbps
d. 54 Mbps
c
802.11 (WIRELESS)

Which radio frequency band is specified for use by the 802.11b standard?

a. 1.5 GHz
b. 2.4 GHz
c. 5.5 GHz
d. 6.2 GHz
b
802.11 (WIRELESS)

Which of the following network access methods do 802.11 devices use?

a. CSMA/CA
b. demand priority
c. token-passing
d. CSMA/CD
a
802.11 (WIRELESS)

In which of the following situations would the use of 802.11 standards be most appropriate?

a. a WAN that connects 25 university department buildings
b. a LAN that connects 50 inventory control personnel in a warehouse to a database server
c. a WAN that connects 120 mobile sales people with their corporate headquarters
d. a MAN that connects four bank branch
b
802.11 (WIRELESS)

At what layer of the OSI Model do 802.11 standards operate?

a. Physical layer
b. Data Link layer
c. Network layer
d. Transport layer
d
FDDI

On what type of physical topology is a FDDI network based?

a. star
b. ring
c. bus
d. tree
b
FDDI

Why is FDDI considered more reliable than Ethernet or Token Ring?

a. It uses more sophisticated error-checking protocols.
b. It uses more reliable sequencing and flow-control techniques.
c. It is designed to better withstand data collisions.
d. It uses duplicate sets of transmission media.
d
FDDI

On which of the following networks is FDDI most likely to be found today?

a. a VPN that connects 120 satellite sales offices with a company’s headquarters
b. a LAN that connects 200 workstations, 5 servers, and 15 printers within an office building
c. a WAN that connects seven manufacturing plants across the nation
d. a WAN that connects 18 buildings on a college campus
d
FDDI

Which of the following agencies originally specified the FDDI standard?

a. ANSI
b. IEEE
c. ISO
d. ITU
a
FDDI
Which of the following network technologies is the most compatible with FDDI?

a. Token Ring
b. 10BASE-T
c. 100BASE-TX
d. 100BASE-FX
c
FDDI
Why is Ethernet preferred over FDDI for modern networks?

a. It can achieve faster throughput at lower overall cost.
b. It works better with today’s popular TCP/IP protocol.
c. It is more reliable.
d. It is better suited for evolving security measures.
a
FDDI
Which of the following would be found on a FDDI network?

a. collisions
b. tokens
c. amplifiers
d. UTP cable
b
10BASE-T AND 10BASE-FL

What type of cable media does 10BASE-FL use?
a. CAT 3 cable
b. CAT 5 cable
c. SMF (single-mode Fiber) cable
d. MMF (multimodefiber) cable
d
10BASE-T AND 10BASE-FL

All wired Ethernet technologies use CSMA/CD. True or false
true
10BASE-T AND 10BASE-FL

10BASE-T and 10BASE-FL share the same maximum segment length. True or false
false
10BASE-T AND 10BASE-FL

Which of the following Ethernet technologies uses fiber-optic cable?

Choose all that apply.
a. FDDI
b. Token Ring
c. 10BASE-T
d. 10BASE-FL
a and d
10BASE-T AND 10BASE-FL

Which of the following Ethernet technologies uses a star-wired bus physical topology?

Choose all that apply.
a. FDDI
b. Token Ring
c. 10BASE-T
d. 10BASE-FL
c and d
10BASE-T AND 10BASE-FL

Which of the following IEEE standards specifies CSMA/CD?

a. 802.2
b. 802.3
c. 802.5
d. 802.11
c
10BASE-T AND 10BASE-FL

Which of the following apply to both 10BASE-T and 10BASE-FL?

Choose all that apply.
a. their network access method is CSMA/CD
b. their maximum throughput is 10 Mbps
c. they both use two wire pairs
d. they both transmit electrical pulses
a and b
100BASE-TX AND 100BASE-FX

What is the maximum segment length for a 100BASE-TX network?

a. 100 meters
b. 85 meters
c. 10 meters
d. 10 feet
a
100BASE-TX AND 100BASE-FX

Which type of cable is used on a 100BASE-TX network?

a. CAT5
b. CAT3
c. CAT2
d. fiber-optic
a
100BASE-TX AND 100BASE-FX

What does the “BASE” in 100BASE-TX represent?

a. basic
b. basal
c. base 10
d. baseband
d
100BASE-TX AND 100BASE-FX


What kind of connector is used in a 100BASE-FX network?

a. SC
b. RJ-11
c. RJ-45
d. RJ-52
a
100BASE-TX AND 100BASE-FX

On what topology are 100BASE-TX networks based?
a. bus
b. star
c. ring
d. mesh
b
100BASE-TX AND 100BASE-FX

Which IEEE specification standardizes 100BASE-FX technology?

a. IEEE 802.2
b. IEEE 802.3u
c. IEEE 802.5
d. IEEE 802.11
b
100BASE-TX AND 100BASE-FX

What is the maximum segment length of a 100BASE-FX network?

a. 100 meters
b. 400 meters
c. 1000 meters
d. 2000 meters
b
1000BASE-T, 1000BASE-CX, 1000BASE-SX AND 1000BASE-LX

What type of fiber-optic cable can be used with 1000BASE-SX?

a. multimode fiber
b. single-mode fiber
c. both multimode and single-mode fiber
d. it does not use fiber-optic cable
a
1000BASE-T, 1000BASE-CX, 1000BASE-SX AND 1000BASE-LX

What is the most likely network scenario for using 1000BASE-CX Ethernet?

a. To connect two corporate buildings on a campus.
b. To connect two routers in a LAN closet.
c. To connect a workstation to a central LAN closet.
d. To connect two distant corporate regional offices to a corporate headquaters.
b
1000BASE-T, 1000BASE-CX, 1000BASE-SX AND 1000BASE-LX

What is the IEEE minimum segment length on a 1000BASE-SX network?

a. 10 meters
b. 85 meters
c. 100 meters
d. 550 meters
d
1000BASE-T, 1000BASE-CX, 1000BASE-SX AND 1000BASE-LX

Which of the following network access methods is used by 1000BASE-LX?

a. demand priority
b. CSMA/CA
c. CSMA/CD
d. token-passing
c
1000BASE-T, 1000BASE-CX, 1000BASE-SX AND 1000BASE-LX

What type of connector is used on a 1000BASE-T network?

a. RJ-11
b. RJ-45
c. AUI
d. SC
b
1000BASE-T, 1000BASE-CX, 1000BASE-SX AND 1000BASE-LX

Which of the following cable types must be used for a 1000BASE-T network?

a. CAT6
b. CAT5e
c. CAT5
d. CAT3
a,b and c
1000BASE-T, 1000BASE-CX, 1000BASE-SX AND 1000BASE-LX


How many wire pairs does the 1000BASE-T standard require?

a. one
b. two
c. four
d. eight
c
10GBASE-SR, 10GBASE-LR, AND 10GBASE-ER

Which of the following media is for 10 Gigabit Ethernet?

(Choose all that apply)
a. coaxial cable
b. UTP
c. STP
d. fiber-optic cable
d
10GBASE-SR, 10GBASE-LR, AND 10GBASE-ER

Which of the following IEEE committees is responsible for establishing 10 Gigabit Ethernet standards?

a. 802.3ae
b. 802.3z
c. 802.5
d. 802.11b
a
10GBASE-SR, 10GBASE-LR, AND 10GBASE-ER

Which of the following network access methods does a 10 Gigabit Ethernet network use?

a. CSMA/CD
b. CSMA/CA
c. demand priority
d. token-passing
a
10GBASE-SR, 10GBASE-LR, AND 10GBASE-ER
Which of the following technologies compete directly with 10 Gigabit Ethernet?

a. FDDI
b. Token Ring
c. SONET
d. ATM
d
10GBASE-SR, 10GBASE-LR, AND 10GBASE-ER

What part of a network is most likely to use 10 Gigabit Ethernet?

a. work area
b. wiring closet
c. backbone
d. drop cables
c
10GBASE-SR, 10GBASE-LR, AND 10GBASE-ER

Which principal characteristic differentiates the versions SR, LR and ER of 10 Gigabit Ethernet?

a. maximum throughput capacity
b. wavelength of propagated light
c. CSMA/CD versus CSMA/CA access technology
d. Their characteristics are all the same. Any differences are for marketing purposes only and are not technical differences.
d
RJ-11, RJ-45, AND F-TYPE CONNECTORS

What type of technology is mostly likely to use an RJ-11 interface?

a. LAN
b. telephone
c. FDDI
d. WAN
b
RJ-11, RJ-45, AND F-TYPE CONNECTORS

What type of UTP could be used on a legacy LAN that had RJ-11 connectors on the ends of its patch cables?

a. CAT 3
b. CAT 5
c. CAT 6
d. CAT 7
a
RJ-11, RJ-45, AND F-TYPE CONNECTORS

How many wire pairs are typically terminated in an RJ-45 connector?

a. two
b. three
c. four
d. five
c
RJ-11, RJ-45, AND F-TYPE CONNECTORS

What kind of connector would you find on the end of a CAT5e patch cable?

a. RJ-11
b. RJ-45
c. SC
d. ST
b
RJ-11, RJ-45, AND F-TYPE CONNECTORS

How many colors are specified in the EIA/TIA 568 wiring stanadard?
a. two
b. four
c. six
d. eight
b
RJ-11, RJ-45, AND F-TYPE CONNECTORS

What type of connection mechanism is used with an F-Type connector?

a. friction fit connection
b. snap on connection
c. quarter twist connection
d. screw on connection
d
RJ-11, RJ-45, AND F-TYPE CONNECTORS

The F-Type connector is commonly found on networks using UTP cabling. True or false
false
10GBASE-SR, 10GBASE-LR, AND 10GBASE-ER

What is the segment for a 10GBASE-LR Gigabit Ethernet network?

a. 2 to 50 meters
b. 2 to 550 meters
c. 2 to 5000 meters
d. 2 to 10000 meters
d