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Wireless LAN Topologies

Wireless LAN Topologies. Team 3 (Garrett and Terrance). Types of Addresses. 1. An 802.11 wireless network name is which type of address? (Choose all that apply.) A. BSSID B. MAC address C. IP address D. SSID E. Extended service set identifier. 802.11 Topologies.

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Wireless LAN Topologies

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  1. Wireless LAN Topologies Team 3 (Garrett and Terrance)

  2. Types of Addresses • 1. An 802.11 wireless network name is which type of address? (Choose all that apply.) • A. BSSID • B. MAC address • C. IP address • D. SSID • E. Extended service set identifier

  3. 802.11 Topologies • 2. Topologies that require an access point.

  4. DS Medium • 3. The 802.11 standard defines which medium to be used in a distribution system (DS)? • A. 802.3 Ethernet • B. 802.15 • C. 802.5 token ring • D. Star-bus topology • E. None of the above

  5. Wireless Topologies • 4. A Wireless Personal Area Network WPAN is used for close proximity networking. • There are two common technologies used in WPAN’s they are: • Bluetooth • ZigBee Remember these are just used BY WPAN’s, the actual topology is a Wireless Personal Area Network WPAN.

  6. 802.11 Service Set • 5. Support for roaming is required under the 802.11 standard. Which 802.11 service set may allow for roaming? • A. ESS • B. Basicservice set • C. Co-located APs • D. IBSS • E. Spread spectrum service set

  7. Basic Service Area Coverage • 6. The size of the Basic Coverage Area is determined by a combination of these things: • Antenna Gain • Transmission Power • Indoor/Outdoor surroundings

  8. Basic Service Set • 7. What is the default configuration mode that allows an AP radio to operate in a basic service set? • A. Scanner • B. Repeater • C. Root • D. Access • E. Non-root

  9. Topologies Involving Station • 8. Peer to Peer communications. We commonly know them as ad-hoc networks, but it’s technical name is an Independent Basic Service Set or IBSS. So IBSS is it’s technical name, but in the book it’s also referred to as ad-hoc or peer to peer. So remember all 3.

  10. Station • 9. STAs operating in Infrastructure mode may communicate in which of the following scenarios? (Choose all that apply.) • A. 802.11 frame exchanges with other STAs via an AP • B. 802.11 frame exchanges with an AP in scanner mode • C. 802.11 frame peer-to-peer exchanges directly with other STAs • D. Upper-layer frame exchanges with network devices on the DSM • E. All of the above

  11. Standard 802.11 Topologies • 10. Topologies defined by 802.11 standard: • Basic Service Set • Extended Service Set • Independent Basic Service Set (ad-hoc, or Peer-to-peer)

  12. Wireless Topologies • 11. Which wireless topology provides citywide wireless coverage? • A. WMAN • B. WLAN • C. WPAN • D. WAN • E. WWAN

  13. Basic Service Set Identifier • 12. What is a Basic Service Set Identifier? The BSSID is the MAC address of the access points wireless card. • Remember that MAC address’ reside that layer 2, or the Data-Link layer, of the OSI model.

  14. BSS Identifier Addresses • 13. The basic service set identifier address can be found in which topologies? (Choose all that apply.) • A. FHSS • B. IBSS • C. ESS • D. DSSS • E. BSS

  15. Wireless Networking Scale • 14. What are some of the limits of 802.11? • The 802.11 WILL scale from personal WPAN, to Metropolitan WMAN. • They WILL NOT scale to a Wide Area Network or WWAN. They just cannot cover that large of an area, something like that would be a cellular network.

  16. Access Points • 15. Which wired network hardware devices do access points most resemble? (Choose all that apply.) • A. Switch • B. Node • C. Hub • D. Router • E. Server

  17. Nonstandard Modes • 16. Normally an access point is ran in root mode, there are however some non-standard modes to run an AP in: • Scanner Mode • Bridge Mode • Repeater Mode

  18. 802.11 Topologies • 17. A network consisting of clients and two or more access points connected by an 802.3 Ethernet backbone is one example of which 802.11 topology? (Choose all that apply.) • A. ESS • B. Basic service set • C. Extended service set • D. IBSS • E. Ethernet service set

  19. AP Communication • 18. A Wireless Distribution System (WDS) can allow different clients and different AP’s to communicate together.

  20. DS Components • 19. What components make up a distribution system? (Choose all that apply.) • A. DSSS • B. Distribution system services • C. DSM • D. DSSS • E. Intrusion Detection System

  21. Standard 802.11 Topologies • 20. The 802.11 standard really only defines the Wireless Local Area Network (WLAN). • The hardware can however be easily applied to many other network topologies.

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