Ch10 text questions

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  1. 1. How does the access method used by Wi-Fi differ from that used by Ethernet?
    Wi-Fi uses Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA). Unlike Ethernet, that detects collisions and then recovers from them, CSMA/CA tries to avoid collisions.
  2. 2. What happens if an 802.11g device detects an 802.11b device nearby?
    The 802.11g device drops into a lower-speed operating mode.
  3. 1. What are the two protocols that support VPN connections over the Internet?
    PPTP and L2TP
  4. 2. What authentication protocols are supported for PPP connections?
    PAP, SPAP, CHAP, MS-CHAP, MS-CHAPv2, and EAP

    • 1. What are the connection methods supported for circuit-switched networks?
    • Circuit-switched: POTS and IDSN
  5. 1. What are the connection methods supported for dedicated circuit networks?
    Dedicated circuit: T carrier and SONET (SDH)
  6. 1. What are the connection methods supported for packet-switched networks?
    Packet-switched: X.25, ATM, Frame Relay, and SMDS
  7. 2. What are the architectures supported by circuit-switched networks?
    Circuit-switched: cloud
  8. 2. What are the architectures supported by dedicated circuit networks?
    Dedicated circuit: ring, star, and mesh
  9. 2. What are the architectures supported by packet-switched networks?
    Packet-switched: cloud
  10. 1. Name three types of applications available for a smartphone.
    Productivity applications, communications, personal management, health and fitness, and entertainment are several application types that are available on a smartphone.
  11. 2. What services can you think of that you already access through cloud computing?
    • Some cloud computing services include:
    • • Software as a service (SaaS)
    •  o Customer resource management via Salesforce.com.
    • o E-mail like Hotmail, YahooMail or Gmail.

    • • Development services
    • o Application development via Force.com.

    • • Utility services
    • o Antivirus protection via Panda Cloud Antivirus.

    • • Commerce services
    • o Purchasing items from eBay.

    There are many cloud computing services, so students answers will vary greatly.
  12. Which packet-switched connection method supports the highest-bandwidth connections?    
    (a)       X.25     (b)       Frame Relay     (c)       ATM     (d)       T service
    (c)       ATM
  13. SONET optical carrier levels are measured in multiples of what speed?
    (A)       51.84Mbps    
    (B)       45Mbps    
    (C)       16Kbps    
    (D)       622.08Mbps
    (A)       51.84Mbps
    (this multiple choice question has been scrambled)
  14. Standard dial-up remote access connections use which of the following?    
    (A)       ISDN    
    (B)       T1
    (C)       X.25    
    (D)       POTS    
    (D)       POTS
    (this multiple choice question has been scrambled)
  15. MS-CHAP is the most secure authentication protocol supported for Windows PPP clients. True or false?
    F
  16. Secure remote access connections can be established over the Internet by using a VPN. True or false?
    T
  17. Which protocol is used for Windows client dial-in remote access to a Windows server?    
    (A)       SLIP    
    (B)       PPP    
    (C)       L2TP
    (D)       PPTP    
    (B)       PPP
    (this multiple choice question has been scrambled)
  18. Which PPP subprotocol includes network- protocol specific support protocols that support network protocol configuration?
    (A)       LCP    
    (B)       CCP
    (C)       EAP    
    (D)       NCP    
    (D)       NCP
    (this multiple choice question has been scrambled)
  19. By classic definition, a LAN becomes a WAN when connections cross a public carrier. True or false?
    T
  20. What is the industry-standard protocol for configuring VPN connections?
    (A)       SLIP    
    (B)       L2TP    
    (C)       MPPE
    (D)       PPTP    
    (B)       L2TP
    (this multiple choice question has been scrambled)
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Ch10 text questions
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Ch10 text questions
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