NETW563 Final Exam Latest

NETW563 WIRELESS NETWORKS KELLER

Final Exam

(TCO A) An access point has a(n) _____ interface that allows it to connect to a wired network.

RJ-45

SDDIO

CF

RJ-111

(TCO A) How often an event occurs can create different ______.

modulations

frequencies

cycles

gigapops (GPS)

(TCO B) What is not an advantage of LEO satellites over GEO satellites?

Require fewer hand-off

Reduced propagation delay

Coverage can be better localized

Better conservation of spectrum

(TCO C) _____ is a group of wireless devices that is served by a single access point (AP).

Basic Service Set

Ad hoc mode

Extended Service Set

Independent Service Set

(TCO D) Each of the following are locations in which businesses install wireless networks for increased employee productivity except

common areas.

Remote parking lots.

(TCO E) Guarding the availability of information is achieved by

access control.

closed system authentication.

wireless protection environment (WPE).

frame count check (FCC).

(TCO F) What is the equivalent of one Erlang?

60 call seconds

36 centum call seconds

3600 centum call seconds

1 minute

(TCO G) _____ provides users the freedom to roam beyond their home subnets while still maintaining their home IP addresses.

Mobile IP

TCP/IP

IPX/SPX

Routing Initiation Protocol (RIP)

(TCO A) What is polarization, and why is it important to WLANs? (Points: 30)

(TCO B) In cellular systems, what are the two types of channels used between the mobile unit and the base station? What are their functions? (Points: 30)

(TCO C) Explain how power management functions on an infrastructure network. (Points: 30)

(TCO D) When would you recommend using a thin access point over a fat access point? (Points: 30)

(TCO E) What is a man-in-the-middle attack, and how can one be launched against a wireless network? (Points: 30)

(TCO E) What is a dictionary attack? (Points: 30)

(TCO F) Blocked calls can be handled in two ways. Describe the two methods of handling blocked calls. (Points: 30)

(TCO G) Explain how Simple Network Management Protocol collects data and the type of data that is gathered. (Points: 30)