Exam 7: Wired and Wireless Local Area Networks

A __________ indicates what resources on each server are available on the network for use by other computers and what people are allowed what access to the network.

The three latest versions of Ethernet run at speeds of 1Gbps, 10Gbps, and 50 Gbps.

A site survey is not an important component of a WLAN design.

Directional antennas signals are much stronger than omnidirectional antennas.

__________ antennas project a signal in only one direction and are most often used on the inside of an exterior wall pointing to the inside of the building for security reasons.

The ________ acts as a router at the front of the server farm.

11a provides for speeds of up to 54 Mbps under perfect conditions.

How might you as a network manager improve WLAN performance?

Compare a switched Ethernet to a wireless Ethernet.What are four essential differences between these two approaches to building a LAN? Give three reasons why a switched Ethernet is preferable to wireless.Three reasons why wireless might be preferred to switched?

The DCF function of Wi-Fi resolves the hidden node problem.

Hubs:

Which of the following is not true about 10/100 Ethernet?

An) _____________ is not a common type of dedicated server.

WiGig is standardized as

Define the three modes of switch operations.

The IEEE designation for the type of wireless standard that uses both the 2.4 and 5 GHz range is __________.

Most access points AP) deployed in wireless LANs use directional antennas.

Given a specific description of an Ethernet type, be prepared to answer questions regarding its speed, type of transmission and physical structure, e.g., 100BaseT, etc.

When a switch receives a packet with a destination address that is not in its forwarding table, the switch will broadcast the packet to all of its ports.

LDAP is an industry standard directory protocol.