CWTS chapter 8

A service set identifier (SSID) has a maximum limit of how many characters or octets?

A. 8 B. 16 ~C. 32~ D. 128

When an IEEE 802.11g wireless LAN consists only of wireless client stations, the network is operating as what type of basic service set?

A. Active ~B. Independent~ C. Passive D. Infrastructure

Wireless LAN devices in an 802.11a peer-to-peer network will connect to which device(s)?

A. An access point B. 802.11g client devices ~C. 802.11a client devices~ D. A wireless switch

In order for a wireless client to become completely part of the basic service set, it must first _______ and then ______

A. Associate, authenticate ~B. Authenticate, associate~ C. Deauthenticate, authenticate D. Disassociate, authenticate

You are a help desk support technician at a retail department store and you receive a call from a manager in the administrative offices. He complains that the performance of his 802.11g notebook computer decreases several times throughout the day. Upon visiting the customer, you realize several people are performing inventory using 802.11b barcode scanners in the adjacent room. What is most likely the cause of the poor performance for the manager's notebook computer?

A. Association B. Authentication ~C. ERP protection~ D. HT protection

A beacon frame advertises information about the wireless network. A beacon frame is what type of frame?

A. Data B. Control ~C. Management~ D. Detail

You are a technical support engineer and receive a call from a customer regarding a problem with their wireless network connection. The building has an ESS network with five 802.11g access points. The customer claims that when they move from their office to a conference room using the 802.11g network they lose their connection and cannot connect to the access point in the conference room. Which is the most likely cause for this user to lose their connection when they roam on the wireless network?

A. Different RF channel ~B. Mismatched SSID~ C. Different BSSID D. Mismatches association

You are a sales engineer connected to an IEEE 802.11a access point with a mobile computer. As you move away from the access point, the connection speed slows to the next lowest supported data rate. The change in data rate is described by which term?

A. Dynamic frequency selection B. Transmit power control ~C. Dynamic rate switching~ D. Transmit Save Mode

The open system authentication process uses how many frames?

A. One ~B. Two~ C. Three D. Four

When a wireless LAN device listens for beacon frames, it is participating in which phase?

A. Power save B. Passive Scanning C. Active scanning ~D. Authentication~

You are a technical support engineer and provide help desk support for the network in a manufacturing company. You receive a call from the sales manager, who wants to know how power save operations should be set up on her notebook computer to optimize the system performance. The notebook computer is plugged into an AC power source and rarely used on battery. Which mode would you recommend her to set on the wireless adapter?

A. Power save mode D. Association Mode ~C. Active mode~ D. Passive mode

The process in which a wireless LAN client connection moves from one access point to another is called _________.

A. Re-authentication ~B. Roaming~ C. Rebuilding D. Roving

A basic service set (BSS) consists of how many access points?

A. Zero ~B. At least one~ C. At least two D. At least four

An independent basic service set (IBSS) consists of how many access points?

~A. 0~ B. 1 C. 2 D. 4

Which items describe a service set identifier (SSID)? (Choose two)

~A. 32 character maximum~ B. 64 character maximum ~C. Is case sensitive~ D. Is not case sensitive

A basic service set identifier (BSSID) is the unique identifying MAC address of the ________.

~A. AP radio~ B. AP Ethernet port C. Router D. Client

The IEEE 802.11 association process happens after which phase?

~A. Authentication~ B. Distribution C. Deauthentication D. Re-authentication

As a device moves away from an access point, which of the following is true regarding dynamic rate switching?

~A. Data rate decreases~ B. Output power decreases C. Data rate increases D. Output power increases

According to the IEEE 802.11 standard, an extended service set (ESS) consists of how many interconnected basic service sets?

~A. One ore more~ B. Two or more C. Three or more D. Four or more

In order to set up an ad hoc network, a user must know which two parameters? (choose two)

~A. SSID~ B. BSSID ~C. Channel~ D. Mac address E. Protection Mode