29 Questions
What standardizes elements like Cable Types, Connectors, and Testing Methods?
TIA/EIA-568
Which type of cable is considered Legacy due to most NICs using Auto-MDIX to sense the cable type?
Ethernet Crossover
What type of fiber media has a larger core and uses less expensive LEDs?
Multimode Fiber
Which type of fiber media is ideal for long-distance applications and uses expensive lasers?
Single-Mode Fiber
What is the main advantage of Fiber-Optic cabling over other networking media?
Less susceptible to attenuation
What cable type should be used for connecting a host to a network device like a computer?
Straight-through UTP
What is the main difference between physical and logical topologies?
Physical topologies involve the actual connections between devices, while logical topologies focus on virtual connections between devices.
Which WAN topology provides high availability but requires extensive connections between all end systems?
Mesh
In a point-to-point WAN topology, how do nodes share the media?
Nodes do not share the media with other hosts.
Which LAN topology is commonly used, where end devices are interconnected through a central device?
Star
What is the main characteristic of a hub and spoke WAN topology?
Central site interconnects branch sites through point to point links.
Why does a mesh WAN topology provide higher availability compared to other WAN topologies?
It has limited points of failure due to redundant connections.
What happens when the MAC address table of the switch contains the destination MAC address?
The switch filters the frame and forwards it out a single port
In store-and-forward switching, what does the switch do if an error is detected in a frame?
Discards the frame
What is a big advantage of store-and-forward switching compared to cut-through switching?
Error detection before frame forwarding
Why is store-and-forward switching required for quality of service (QoS) analysis on converged networks?
To prioritize voice over IP data streams
What does 'cut-through switching' do differently compared to 'store-and-forward switching'?
Forwards frames after reading the entire frame
Why does store-and-forward switching reduce the amount of bandwidth consumed by corrupt data?
By discarding frames with errors
What is the main limitation of copper cabling mentioned in the text?
Attenuation
Which type of copper cabling uses metallic shielding and grounding to mitigate EMI and RFI?
Shielded Twisted-Pair (STP) Cable
How does twisted pair wiring in copper cabling help protect the signal?
By protecting the signal from interference
Which type of copper cabling is harder to install than UTP?
Shielded Twisted-Pair (STP) Cable
What characteristic of UTP cable helps electrically isolate wires from each other and identifies each pair?
Color-coded plastic insulation
What is the key advantage of Shielded Twisted Pair (STP) cable compared to Unshielded Twisted-Pair (UTP)?
Better noise protection
How does a host determine whether a destination is local or remote in an IPv4 network?
By using its own IP address and subnet mask along with the destination IP address
What happens to local traffic in a host when determining how to handle it?
It is dumped out the host interface to be handled by an intermediary device
What information does a source device use in an IPv6 network to determine if the destination is local or remote?
Network address and prefix advertised by the local router
What happens to remote traffic in a host before it is forwarded to the default gateway?
It is directly forwarded to the default gateway on the LAN
What will happen to a device's traffic if it has no default gateway or a bad default gateway configuration?
The traffic will not be able to leave the LAN
Test your knowledge on the characteristics, limitations, and mitigation strategies related to copper cabling. Explore the most common type of cabling used in networks, its advantages, limitations such as attenuation and susceptibility to interference, and ways to mitigate these issues.
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