Telecom Exam 3 B

Front 1

You have been hired as a network consultant by the East Coast Savings Bank. East Coast Savings would like to implement a wireless LAN, but with high standards of security. What sort of restrictions would you recommend placing on the wireless LAN?

Back 1

Wireless LAN users may surf the Web, but maybe not access the rest of the bank's network without special security software.

Front 2

How is a wireless router's configuration utility usually accessed?

Back 2

Though a Web browser

Front 3

Which wireless networking standard is fastest?

Back 3

802.11ac

Front 4

What is a first generation cellular technology that encodes and transmits speech as analog signals?

Back 4

Advanced mobile phone service

Front 5

I'm wireless communication, to exchange information, two antennas must be tuned to the same ______.

Back 5

Frequency

Front 6

In wireless systems, the transmitting antenna focuses its energy directly toward the receiving antenna which results in a point-to-point link.

Back 6

Fixed

Front 7

I'm scanning, the station transmits a special frame, known as a probe, on all available channels within its frequency range.

Back 7

Active

Front 8

A mobile wireless networking standard that uses direct sequence spread spectrum signaling in the 2.4 GHz band to achieve maximum throughput of less then 1Mbps is known as:

Back 8

Bluetooth

Front 9

In wireless transmission, the splitting of a signal into secondary waves when it encounters an obstruction, is known as:

Back 9

Diffraction

Front 10

Am antenna that issues wireless signals along a single direction is referred to as:

Back 10

Directional antenna

Front 11

What is the name for the transmission from a mobile station to a base station?

Back 11

Forward path

Front 12

Which of the following describes the process of a mobile wireless signal being transferred to a new channel?

Back 12

Handoff

Front 13

A type of antenna that transmits and receives wireless signals with equal strength and clarity in all directions is known as:

Back 13

Omni-directional antenna

Front 14

What refers to the bouncing back of an electromagnetic wave towards its source?

Back 14

Reflection

Front 15

The transmission from a base station to a mobile station is known as:

Back 15

Reverse path

Front 16

What is a number assigned to the wireless carrier that the user has subscribed to?

Back 16

SID

Front 17

What is a cellular network access technology that divides each channel into multiple time slots?

Back 17

TDMA

Front 18

In classful addressing, the Class B IPv4 address network ID is located in the:

Back 18

First 16 bits

Front 19

In classful addressing, Class C IPv4 address host information is located in the:

Back 19

Last 8 bits

Front 20

Within a classful addressing subnet mask, the ______ bits indicate that corresponding bits in an IPv4 address contain network information.

Back 20

1