Telecommunications Network Fundamentals 3

Question 1

Which cable standard supports speeds up to 10 Gbps over short distances?

Accepted Answer

Cat 6A

Answer

Cat 6A supports 10 Gbps speeds up to 100 meters, while Cat 6 supports 10 Gbps only up to 55 meters.

Question 2

What is a VLAN used for in telecommunications?

Accepted Answer

Segment a network logically without physical separation

Answer

VLANs (Virtual Local Area Networks) allow logical segmentation of a network on the same physical switch.

Question 3

What is the maximum length of a standard Ethernet (Cat 5e/6) run?

Accepted Answer

100 meters

Answer

Standard Ethernet over twisted pair (Cat 5e/6) supports a maximum segment length of 100 meters.

Question 4

What protocol is used to automatically assign IP addresses to devices on a network?

Accepted Answer

DHCP

Answer

DHCP (Dynamic Host Configuration Protocol) automatically assigns IP addresses, subnet masks, and other network parameters.

Question 5

Which topology connects all devices to a single central cable?

Accepted Answer

Bus

Answer

A bus topology connects all devices to a single shared backbone cable, now largely replaced by star topologies.

Telecommunications Practice Test