Session 2 Flashcards

1
Q

Transmission speed is known by which other name?
Choices:

A - Bandwidth
B - Fiberoptic
C - Network speed
D - Transmission rate

A

A - Bandwidth

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2
Q

Data straight-through cables are used to connect which items to the OSI?
Choices:

A - Fans
B - Posts
C - Nodes
D - Messages

A

C - Nodes

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3
Q

Which type of cable can connect a PC directly to another PC?
Choices:

A - Flip
B - Flavor
C - Crossfire
D - Crossover

A

D - Crossover

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4
Q

How many bytes long is a MAC address?
Choices:

A - 3
B - 4
C - 6
D - 8

A

C - 6

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5
Q

What is a MAC address?
Choices:

A - A memory method
B - A feature which automatically saves a file
C - A utility which automatically replies to e-mails
D - A unique identifier assigned to network interfaces

A

D - A unique identifier assigned to network interfaces

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6
Q

A hub is used to connect __________.
Choices:

A - network ports
B - network routers
C - network segments
D - network MAC addresses

A

C - network segments

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7
Q

At what layer is a hub in the OSI layer?
Choices:

A - 1
B - 4
C - 6
D - 7

A

A - 1

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8
Q

Students passing notes in a classroom are similar to which network devices?
Choices:

A - Hubs
B - Nodes
C - Sessions
D - Applications

A

B - Nodes

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9
Q

Switches and bridges are found at which layer in the OSI model?
Choices:

A - 2
B - 3
C - 4
D - 7

A

A - 2

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10
Q

An unmanaged switch allows data to go through __________.
Choices:

A - an open port
B - a closed port
C - with administrative control
D - without administrative control

A

D - without administrative control

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11
Q

An unmanaged switch will have an IP address.

A - True
B - False

A

B - False

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12
Q

Which option is a cause of collision domains?
Choices:

A - Data is being sent on a shared medium
B - Data packets being sent are too complex
C - Two domains are connected by one router
D - Too many networks are running on a single backbone cable

A

A - Data is being sent on a shared medium

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13
Q

Which are uses of the layer 2 switches? Choose all that apply.
Choices:

A - ATM
B - Ethernet
C - Physical layer
D - Fiberoptic cables

A

A - ATM
B - Ethernet
D - Fiberoptic cables

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14
Q

__________ is/are multiple switches within an environment to make a redundant link, so if a switch fails, they are still able to connect with the destination.
Choices:

A - Ethernet
B - Physical layer
C - Layer 3 switches
D - Switch link redundancy

A

D - Switch link redundancy

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15
Q

What is the purpose of MAC tables?
Choices:

A - Stores programs
B - Deletes all old files
C - Decides if information should be returned to sender
D - Make the decision where data frames will be forwarded

A

D - Make the decision where data frames will be forwarded

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16
Q

__________ establishes a dedicated circuit for the duration of the transmission.
Choices:

A - MAC table
B - Cell switching
C - Circuit switching
D - Packet switching

A

C - Circuit switching

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17
Q

Which are functions of packet switching? Choose all that apply.
Choices:

A - Most common form of data exchange
B - Makes the decision where data frames will be forwarded
C - Establishes a dedicated circuit for the duration of the transmission
D - Transmissions are broken into smaller non-fixed length pieces and individually transmitted

A

A - Most common form of data exchange

D - Transmissions are broken into smaller non-fixed length pieces and individually transmitted

18
Q

__________ are hardware or software devices that interchange data packets between computer networks.
Choices:

A - Routers
B - MAC tables
C - Packet switches
D - Circuit switches

A

A - Routers

19
Q

Routers are not used for wireless networks.

A - True
B - False

20
Q

Which action does tracert perform?
Choices:

A - History of computer’s previous owners
B - Locations of where computer was repaired
C - Trace how many routers from one location to another
D - Interchanges data packets between computer networks

A

C - Trace how many routers from one location to another

21
Q

Routing __________ are used to determine the path the data packets will take.
Choices:

A - protocols
B - packages
C - premiers
D - percentages

A

A - protocols

22
Q

Which are options of different routers? Choose all that apply.
Choices:

A - Static
B - Dynamic
C - Protocol
D - Packet switches

A

A - Static

B - Dynamic

23
Q

Which type of routing learns routes automatically from other routes in a network?
Choices:

A - Static
B - Dynamic
C - Reversible
D - Unidirectional

A

B - Dynamic

24
Q

By which method are metrics derived in dynamic routing?
Choices:

A - Public key encryption determines path
B - Known paths are retrieved from a cache
C - Algorithms are used against the routing table
D - Sensors travel available connections to detect blocks

A

C - Algorithms are used against the routing table

25
Which item is necessary for computers and routers to communicate with others? Choices: A - IP address B - Access codes C - File directory D - Public encryption
A - IP address
26
Which technology is used by Windows systems for software routing and VPN connections into a Microsoft network? Choices: A - WNR B - AARS C - RRAS D - MSNR
C - RRAS
27
RRAS can be used for which connections? Choose all that apply. Choices: ``` A - LAN to LAN B - LAN to WEP C - WAN to LAN D - LAN to WAN E - WEP to WAN F - WAN to WAN ```
A - LAN to LAN C - WAN to LAN D - LAN to WAN F - WAN to WAN
28
Which type of twisted pair cabling prevents against electromagnetic interference? Choices: A - Shielded B - Bi-lateral C - Rotational D - Unshielded
A - Shielded
29
Which was the first instance of Ethernet cables used in 10Base5 and 10Base2 networks? Choices: A - Coaxial B - Holstered C - EMI cable D - Fiberoptic
A - Coaxial
30
Which method is used to transmit data in fiberoptic cables? Choices: A - Infrared beams B - LED light pulses C - Electric wavelengths D - Gamma ray emissions
B - LED light pulses
31
Which type of network media transfers data without the use of a physical cable? Choices: A - EMI B - Distance C - Wireless D - Fiberoptic
C - Wireless
32
Which items may cause EMI? Choose all that apply. Choices: A - Microwave ovens B - Exposed sheet rock C - Metal water bottles D - Small electric motors
A - Microwave ovens | D - Small electric motors
33
Fiberoptic signals may easily be intercepted. A - True B - False
B - False
34
Which is the most common type of networking cable? Choices: A - STP B - UTP C - Fiber D - Coaxial
B - UTP
35
Which are characteristics of UTP cables? Choose all that apply. Choices: A - Pairs of wires are twisted B - Signals are carried along one pair C - Signals are carried using both pairs D - Contains 8 individual color-coded copper wires E - Uses an RJ-45 connector as the computer connection
A - Pairs of wires are twisted C - Signals are carried using both pairs D - Contains 8 individual color-coded copper wires E - Uses an RJ-45 connector as the computer connection
36
Which factors explain the rarity of STP cable use? Choose all that apply. Choices: A - High cost B - Slow Mbps C - Difficult to install D - Vulnerable to electromagnetic interference
A - High cost | C - Difficult to install
37
Which option describes a coaxial cable? Choices: A - A metallic foil or copper braid which surrounds a copper conductor B - Eight color-coded copper wires which are twisted around one another C - A cable which has an extra coating around the wire pairs to prevent EMI D - A hollow outer cylindrical conductor surrounding a single inner wire made of two conducting
D - A hollow outer cylindrical conductor surrounding a single inner wire made of two conducting
38
How many meters can Ethernet run while using a coaxial cable? Choices: A - 100 B - 200 C - 400 D - 500
D - 500
39
Which is the greatest disadvantage with wireless connections? Choices: A - Low Mbps B - Expensive C - Hassle to set up D - Susceptible to EMI
D - Susceptible to EMI
40
Which is the least expensive cable discussed? Choices: A - STP B - UTP C - Fiber D - Coaxial
B - UTP
41
Which distance can coaxial thinnet cable run before the signal degrades? Choices: A - 100 meters B - 185 meters C - 500 meters D - 10 kilometers
B - 185 meters
42
In which year were standards created for cabling used in telecommunications applications? Choices: A - 1988 B - 1991 C - 1995 D - 2000
B - 1991