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WorksheetsNetworking Fundamentals
Total questions: 90
Worksheet time: 48mins
You need to run 4 Ethernet drops that are 125 ft long in an area that has heavy manufacturing equipment and you need to select cabling that is resistance to EMI. Which of the following would you choose?
UTP Cat6
Cat3
UTP Cat5e
STP Cat5e
The distortion of the transmitted messages from signals carried in adjacent wires is known as_______
crosstalk
interference
Which fiber optic type has a larger core, uses LEDs and is typically used in LANS?
multimode
singlemode
coaxial
TSP
What type of connectors do Coaxial Cables use?
BNC
RJ-11
RJ-45
F
What type of connector does a UTP cable use?
RJ-45
BNC
LC
RJ-11
What type of connector does Fiber-Optic cables use?
RJ-45
LC
ST
BNC
What technique is used with UTP cable to help protect against signal interference from crosstalk?
Encasing the cables within a flexible plastic sheath.
Twisting the wires together into pairs.
Terminating the cable with special grounded connectors.
Wrapping a foil shield around the wire pairs.
The shielding in STP is designed to protect the signal against _INTERFERENCE_?
True
False
What refers to the deterioration of a signal as it travels over a large distance.
crosstalk
attenuation
juxtaposition
collision
What is the weakening of the network signal over long cable lengths is known as
latency
crosstalk
interference
attenuation
What type of interference does UTP wire suffer from when run near lighting fixtures or power conduits?
URI
EFI
RFI
EMI
What is the measure of the usable data transferred across the media?
bandwidth
throughput
goodput
packets
What is the theoretical capacity of a particular medium to carry data?
latency
goodput
throughput
bandwidth
What PDU is received by the physical layer for encoding and transmission?
data
frame
segment
packet
What type of media would you use for high speed backbone networks?
UTP
Fiber Optic
STP
Coaxial
What four colors are used in UTP and STP wiring?
Blue
Brown
Orange
Black
Green
Category 5 UTP cable supports data transmission rates of up to_____
10 Mbps
100 Mbps
10 Gbps
1 Gbps
What is purpose of the OSI physical layer?
Exchanging frames between nodes over physical network media
Transmitting bits across the local media.
Performing error detection on received frames
Controlling access to media.
What is a good example of external interference affecting electrical signals over UTP?
radios
phones
large electrical motors
crosstalk
Which of the following is the widely used medium for networking due to relatively low cost, ease of use, and fast networking speeds?
wireless
coaxial cable
UTP
fiber optic
What are the three types of copper media?
Unshielded Twisted Pair
Shielded Twisted Pair
Coaxial
Fiber Optic
Another Type
What standards are used to terminate an Ethernet crossover cable?
Both ends use the T568B standard.
The cable ends are specified by a Cisco proprietary standard.
One end uses the T568A standard, and one end uses the T568B standard.
Both ends use the T568A standard.
What is the maximum distance you can run a CAT-5e cable operating at 1,000 Mb/s speeds?
55 meters
100 yards
528 feet
100 meters
How many pairs of wires are in UTP cables?
4
6
5
8
Which media uses microwave signals to represent bits?
fiber optic
point to point
copper
wireless
This term refers to a special grade of wire that can be run through general purpose spaces; outside of conduit that is slow to burn or catch fire.
UTP
Plenum
TSP
Conduit
Which statement correctly describes network latency?
The capacity of a particular medium to carry data.
The measure of the bits transferred across the media over a given period of time.
The total amount of time, including delays, it takes for data to get from one device to another.
The measure of the usable data transferred across the media.
What is a physical medium that uses electrical impulses?
wireless
fiber optic
copper
What is the distortion of the network signal from fluorescent lighting is known as?
EMI
Attenuation
RFI
Crosstalk
What type of cable would you use if you need to install a network cable between two buildings that are 6 miles from each other?
single mode fiber
Cat5e
multi mode fiber
Cat6e
What is the minimum category rating of UTP cabling you would need for a network that runs at 1000mbps?
Cat2
Cat1
Cat5
Cat5e
What is the measure of the bits transferred across the media over a given period of time?
throughput
bandwidth
output
goodput
Which fiber optic cable has a very small core and is used in very long distance situations?
multimode
single mode
ST
LC
What is Layer 1 of the OSI model?
Data-Link
Session
Network
Physical
What is layer 2 of the OSI model?
Session
Application
Presentation
Data-Link
What is layer 3 of the OSI model?
Application
Physical
Transport
Networking
What is layer 4 of the OSI model?
Transport
Session
Data-Link
Application
What is layer 5 of the OSI model?
Data-Link
Session
Transport
Networking
What is layer 6 of the OSI model?
Application
Physical
Presentation
Transport
What is layer 7 of the OSI model?
Presenation
Data-Link
Physical
Application
What is a physical medium that uses light pulses?
Fiber-Optic
Wireless
Copper
UTP
What is the method of converting a stream of bits into a predefined code?
recoding
encoding
encapsulation
signaling
What physical device operates at the physical layer?
PC
Hub
Switch
Router
What TIA standards are used to terminate an Ethernet straight through cable?
Both ends use the T568B standard.
The cable ends are specified by a Cisco proprietary standard.
One end uses the T568A standard, and one end uses the T568B standard.
Both ends use the T568A standard.
What is an advantage of STP over UTP?
STP cable is smaller and more flexible
STP had lower attenuation
STP is less susceptible to EMI
STP is less expensive
The physical layer of the OSI model of the receiving device passes bits up to which higher level layer of the OSI model?
session
transport
data-link
presentation
What are the two sublayers of the data-link layer?
Link Local (LLC)
DNS
HTTP
Media Access Control (MAC)
On what layer is the MAC address assigned?
Data-link
Physical
Networking
Session
What three things is the presentation layer responsible for?
encapsulation
compression
decapsulation
encryption
translation
On what network device are VLANs configured?
switch
router
PC
hub
What layer is responsible for finding the best path for data to take?
Physical
Application
Transport
Networking
An IP address is known as a layer three address.
TRUE
FALSE
The OSI Model is a theoretical model and does not perform any real function.
TRUE
FALSE
What does OSI stand for?
Open systems interface
Open signs Interconnection
Open systems Interconnection
Official systems Interface
What layer determines the best path?
Networking
Session
Transport
Physical
Which layer controls media access?
Physical
Application
Data-Link
Networking
Which layer is closest to the end user and accesses network services?
Application
Physical
Networking
Session
What layer segments and delivers data?
Session
Transport
Presentation
Physical
What is the Application layer PDU?
Frames
Packet
Data
Segment
What is the Physical layers PDU?
Bit
Frame
Packet
Segment
What is the Transport layer PDU?
Segment
Frame
Bit
Packet
What is the Networking layer PDU?
Bit
Segment
Packet
Frame
What is the Data-Link layer PDU?
Segment
Frame
Packet
Data
The order of the OSI model is :
Application, Presentation, Session, Transport, Networking, Data-Link, Physical
TRUE
FALSE
What three things in the session layer responsible for?
maintains communication between nodes
compression
translation
start communication between nodes
stops communication between nodes
On what layer is an IP address assigned?
Data-Link
Physical
Networking
Session
What IEEE standard does wireless follow?
208.11
11.208
802.11
802.12
Which of the following are advantages to using wireless?
less expensive than wired
easy to install
communication can be easily intercepted.
easy to expand
What is the weakest form of wireless security?
WPA-2
WEP
WPA
AES
Which of the following is (are) WAN technologies?
IDSN
Leased Lines
DSL
Ethernet
What is the data rate of a E-3 line?
44.736 Mbps
34.368 Mbps
1.54 Mbps
What does DSL stand for?
Direct Single Line
Digital Subscriber Line
Direct subscriber line
Digital single line
ADSL has the same download and upload speeds.
TRUE
FALSE
Which of the following WAN technologies uses a phone connection?
E3
DSL
IDSN
WEP
What is the data rate for a T-3 line?
1.54 Mbps
34.368 Mbps
44.736 Mbps
What use is the SSID in your wireless network?
It is an authorization method
It is the security encryption
It is the name of your network
It is an authentication method.
A packet switched network moves data in separate packets based on the destination address in each packet.
TRUE
FALSE
Which of the following 802.11 standards uses MIMO?
802.11g
802.11n
802.11b
802.11ac
802.11a
Which of the following is a wireless peer to peer network?
Ad Hoc
Ethernet
POTS
DSL
T1, T3, E1 and E-3 are all types of:
plain old telephone service
leased lines
broadband
ethernet
What are the 2 radio frequencies used with 802.11 technology?
2.4 GHz
900 MHz
5 GHz
Wireless technologies use ________ to carry information between devices
sound waves
light
electromagnetic waves
electrical impulses
What is the data rate of T1 line?
44.736 Mbps
1.544 Mbps
34.368 Mbps
What type of encryption does WPA2 currently use?
TKIP
AES
PSK
RADIUS
What does MIMO stand for?
Multiple In Multiple Out
Many Inside Many Outside
What standard does 802.11a use?
54 Mbps, 5 GHz
54 Mbps, 2.4 GHz
11Mbps, 2.4 GHz
up to 3.2 Gbps, 6 GHz
What standard does 802.11ac use?
54 Mbps, 5 GHz
up to 3.2 Gbps, 6 GHz
54 Mbps, 2.4 GHz
11Mbps, 2.4 GHz
What standard does 802.11b use?
54 Mbps, 5 GHz
54 Mbps, 2.4 GHz
11Mbps, 2.4 GHz
up to 600 Mbps, 2.4 or 5 GHz
What standard does 802.11g use?
up to 600 Mbps, 2.4 or 5 GHz
up to 3.2 Gbps, 6 GHz
54 Mbps, 5 GHz
54 Mbps, 2.4 GHz
What standard does 802.11n use?
up to 600 Mbps, 2.4 or 5 GHz
up to 3.2 Gbps, 6 GHz
54 Mbps, 5 GHz
11Mbps, 2.4 GHz
