WGU C172 Network & Security Proficiency knowledge test Exam Questions and certified Answers 2024/2025
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WGU C172 Network & Security
Institution
WGU C172 Network & Security
WGU C172 Network & Security Proficiency knowledge test Exam Questions and certified Answers 2024/2025
What does the acronym in UTP Cable stand for? - correct answer Unshielded twisted pair
CAT3 UTP Cable - correct answer Commonly used for phone lines
Supports up to 10Mbps for up to 100m
C...
WGU C172 Network & Security Proficiency
knowledge test Exam Questions and certified
Answers 2024/2025
What does the acronym in UTP Cable stand for? - correct answer Unshielded twisted
pair
CAT3 UTP Cable - correct answer Commonly used for phone lines
Supports up to 10Mbps for up to 100m
CAT4 UTP Cable - correct answer Not commonly used today
Supports up to 16Mbps for up to 100m
CAT5 UTP Cable - correct answer Commonly used in ethernet LANs, but has
effectively been replaced by CAT5e
Has 2 twisted pairs of cables
Supports up to 100Mbps for up to 100m
CAT5e UTP Cable - correct answer Commonly used in ethernet LANs
Has 4 twisted pairs of cables
Supports up to 1Gbps for up to 100m
CAT6 UTP Cable - correct answer Commonly used in ethernet LANs and data centers
Has 4 tightly woven twisted pairs of cables
Supports 1Gbps for up to 100m, or 10Gbps for up to 55m
CAT6a UTP Cable - correct answer Commonly used in ethernet LANs, data centers,
and networks
Has 4 tightly woven twisted pairs of cables - more interference resistant than CAT6
,Supports 10Gbps for up to 100m
RJ11 Connector - correct answer Supports 2 pairs of wires (4 total)
Typically used for telephones
RJ45 Connector - correct answer Supports 4 pairs of wires (8 total)
Typically used with ethernet cables
Coaxial Cable - correct answer An analog cable made of copper, but specifically
engineered with a metal shield to block signal interference
Not widely used in networking
Fiber (Optic) Cable - correct answer Uses glass or plastic threads inside cables to
transfer data using light (LEDs or lasers), instead of normal electricity - can also transfer
data digitally instead of needing to convert to binary
Allows virtually no interference, lighter and thinner than other cables, but are very
expensive
Single-Mode Fiber Cable - correct answer Made of only one glass or plastic fiber,
which allows it to carry higher bandwidth for 50 times the distance of multimode cables
Requires more expensive tech to create light, thus is only used for long distances and
high bandwidth applications
Multimode Fiber Cable - correct answer Wider in diameter due to light being sent
across the cable, highly effective over medium distances
Generally used within a LAN and less expensive than single-mode cables
ST (Straight Tip) Connector - correct answer Most common multimode connector until
the mid 2000s, but LCs have overtaken them
Used on campuses, corporate networks, and for military purposes
, LC (Lucent Connector) - correct answer Most common type used in corporate data
centers today
Supports more ports used in the same space
Usually used with SFP (small form-factor pluggable) transceivers
Crossover Cable - correct answer Connects two computing devices of the same type
to each other
Done via their network interface controllers (NIC) or switches
Many standards now already have the capability built-in, so not as commonly used
Centralization - correct answer When an application holds most of its storage and
programming on a central server, instead of putting it on the user's device
Is good for users with lower quality devices, but more work for company servers
Decentralization - correct answer When an application puts the storage and
programming burden onto the user's device, as opposed to holding it on their own
servers
Good for company servers, but some users' devices may not be able to handle the
application
Ad-Hoc Mode - correct answer A wireless network infrastructure mode where a
temporary network is set up on a host device, with the main purpose being either the
transfer of files or the sharing of the host's internet connection
Infrastructure Mode - correct answer A wireless network infrastructure mode where
devices communicate with each other by going through a central access point (AP)
Hub - correct answer Connects all computers in a small area and creates a network
between them
Sends all traffic to all computers
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