Exam 4: Network Transmission Equipment

____ can be equipped with intelligence to help in collecting network data and for centralizing network management.

What is a VLAN?

The MAC controller unit works at the OSI ____ layer.

When a PC is connected to a modem, the data transfer speed of the PC is the data communications equipment communications rate.

The advantage of ____________________ communications is that currently unallocated bandwidth can be allocated to you, even for a millisecond or two, when you are downloading a large file, for example.

When is the spanning tree algorithm used? What are the two goals of this algorithm?

Hubs offer the ability to segment network traffic, limiting traffic to those networks where it belongs.

Hubs are not available for ____ technology.

Internal cable modems are more common than external cable modems.

Routers can prevent network slowdowns and broadcast storms.

The DOCSIS standards are associated with ____.

A MAU operates at the OSI ____ layer.

A(n)____________________ converts a computer's outgoing digital signal to an analog signal that can be transmitted over a telephone line.

You would not use a gateway to ____.

A ____ does not include a switchboard.

Which is not true about DSL?

It is not important to become familiar with older-style networks, because they are almost obsolete.

Which is a disadvantage of repeaters?

Different NICs are used for different media and transport methods.

A(n)____ hub regenerates, retimes, and amplifies the signal each time it passes through to the next node.