Copper Cabling Characteristics and Limitations Quiz

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What is the key advantage of Copper Cabling in networks?

High resistance to electrical current flow

Low susceptibility to interference

Ease of installation (correct)

Expensive nature

How does attenuation affect electrical signals in Copper Cabling?

Strengthens the signals as they travel

Reduces interference in the signals

Causes the signals to become weaker over longer distances (correct)

Has no impact on the signals

Which type of copper cable provides better noise protection than Unshielded Twisted-Pair (UTP)?

Coaxial Cable

Shielded Twisted-Pair (STP) (correct)

Fiber Optic Cable

Unshielded Twisted-Pair (UTP)

How is Unshielded Twisted-Pair (UTP) cable terminated in networks?

With RJ-45 connectors Signup and view all the answers

What characteristic of UTP helps protect the signal from interference?

Color-coded plastic insulation Signup and view all the answers

What type of cable is Coaxial Cable?

Coaxial Cable Signup and view all the answers

What is the destination MAC address for an encapsulated IPv6 multicast packet?

33-33 Signup and view all the answers

When are multicast packets forwarded by a router?

Only when the router is configured to route multicast packets Signup and view all the answers

How do Layer 2 Ethernet switches make their forwarding decisions?

Exclusively based on Layer 2 MAC addresses Signup and view all the answers

In what scenario would a Layer 2 Ethernet switch flood out all Ethernet switch ports except the incoming port?

When it receives a multicast packet Signup and view all the answers

What type of address does a multicast IP address require to correspond to?

Multicast MAC address Signup and view all the answers

Which device is only called by specific devices under it according to the text?

Switch Signup and view all the answers

What is the main responsibility of the data link layer in the OSI model?

Preparing network data for the physical network Signup and view all the answers

What are the two sublayers of the IEEE 802 LAN/MAN data link layer?

LLC and MAC Signup and view all the answers

Which network topology focuses on the physical layout of devices?

Physical Topology Signup and view all the answers

What type of communication allows devices to send and receive data simultaneously?

Full-duplex Signup and view all the answers

Which access method is used in WLANs for contention-based networks?

CSMA/CA Signup and view all the answers

What are the basic parts of a data link frame in networking?

Header, Data, and Trailer Signup and view all the answers

What is the structure of an Ethernet MAC address?

6 hexadecimal vendor OUI code followed by a 6 hexadecimal vendor-assigned value Signup and view all the answers

When decoding an Ethernet frame, what does a NIC check first?

Destination MAC address Signup and view all the answers

In Ethernet, what type of MAC address is used for communication with a single destination device?

Unicast MAC address Signup and view all the answers

What happens if the destination MAC address in an Ethernet frame does not match the physical MAC address in RAM?

The device discards the frame Signup and view all the answers

Which devices will have an Ethernet NIC and therefore a MAC address?

Workstations, servers, printers, mobile devices, routers Signup and view all the answers

Under what condition will an Ethernet NIC accept a frame that has a destination MAC address different from its own?

If the destination MAC address is a broadcast or multicast group of which the host is a member Signup and view all the answers

What is the purpose of memory buffering on Ethernet switches?

To store frames before forwarding them Signup and view all the answers

How does port-based memory buffering work on switches?

A frame is transmitted only when all queued frames ahead have been successfully transmitted Signup and view all the answers

What is a potential drawback of port-based memory buffering if a destination port is busy?

A single frame can delay the transmission of all frames in memory Signup and view all the answers

How does shared memory buffering differ from port-based memory buffering?

It has a common memory buffer shared by all switch ports Signup and view all the answers

What advantage does shared memory buffering provide in terms of frame transmission?

It allows larger frames to be transmitted with fewer dropped frames Signup and view all the answers

What are two of the most basic settings on a switch that are mentioned in the text?

Bandwidth ('speed') and duplex settings Signup and view all the answers