CCNA 4, Chapter 3 Exam

26 Questions | Total Attempts: 360

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CCNA Quizzes & Trivia

Some people have a hard time understanding chapter 3 in the CCNA program and if you are one no need to worry. The quiz below covers every aspect of chapter 3 and is designed to help you get a better understanding of the chapter while testing what you know so far. Try it out and see where you stand.


Questions and Answers
  • 1. 
    Which broadband wireless technology is based on the 802.11 standard?
    • A. 

      Municipal Wi-Fi

    • B. 

      WiMAX

    • C. 

      CDMA

    • D. 

      UMTS

  • 2. 
    What is the approximate distance limitation for providing a satisfactory ADSL service from the central office to a customer?
    • A. 

      3.39 miles or 5.46 kilometers

    • B. 

      2.11 miles or 3.39 kilometers

    • C. 

      6.21 miles or 10 kilometers

    • D. 

      11.18 miles or 18 kilometers

  • 3. 
    What is a component of an ADSL connection that is located at the customer site?
    • A. 

      CO

    • B. 

      CPE

    • C. 

      SOHO

    • D. 

      DSLAM

  • 4. 
    What is the function of the DSLAM in a broadband DSL network?
    • A. 

      multiplexes individual customer DSL connections into a single upstream link

    • B. 

      Communicates directly with customer cable modems to provide Internet services to customers

    • C. 

      Communicates directly with customer cable modems to provide Internet services to customers

    • D. 

      separates POTS traffic from ADSL traffic

  • 5. 
    Which broadband technology would be best for a small office that requires fast upstream connections?
    • A. 

      DSL

    • B. 

      Fiber-to-the-home

    • C. 

      Cable

    • D. 

      WiMax

  • 6. 
    What are two WAN connection enhancements that are achieved by implementing PPPoE? (Choose two.)
    • A. 

      Encapsulating Ethernet frames within PPP frames is an efficient use of bandwidth.

    • B. 

      DSL CHAP features are included in PPPoE.

    • C. 

      PPP enables the ISP to assign an IP address to the customer WAN interface.

    • D. 

      An Ethernet link supports a number of data link protocols.

    • E. 

      CHAP enables customer authentication and accounting.

  • 7. 
    When PPPoE is configured on a customer router, which two commands must have the same value for the configuration to work? (Choose two.)
    • A. 

      Dialer pool 2

    • B. 

      Interface dialer 2

    • C. 

      Ppp chap password 2

    • D. 

      Interface gigabitethernet 0/2

    • E. 

      Pppoe-client dial-pool-number 2

    • F. 

      Ppp chap hostname 2

  • 8. 
    Why is the MTU for a PPPoE DSL configuration reduced from 1500 bytes to 1492?
    • A. 

      To enable CHAP authentication

    • B. 

      To reduce congestion on the DSL link

    • C. 

      to accommodate the PPPoE headers

    • D. 

      to establish a secure tunnel with less overhead

  • 9. 
    What are two characteristics of a PPPoE configuration on a Cisco customer router? (Choose two.)
    • A. 

      The PPP configuration is on the dialer interface.

    • B. 

      An MTU size of 1492 bytes is configured on the Ethernet interface.

    • C. 

      The Ethernet interface does not have an IP address.

    • D. 

      The customer router CHAP username and password are independent of what is configured on the ISP router.

    • E. 

      The dialer pool command is applied to the Ethernet interface to link it to the dialer interface.

  • 10. 
    Where is PPPoE configured on a Cisco router?
    • A. 

      On an Ethernet interface

    • B. 

      On the dialer interface

    • C. 

      on a serial interface

    • D. 

      on any physical interface

  • 11. 
    How can the use of VPNs in the workplace contribute to lower operating costs?
    • A. 

      High-speed broadband technology can be replaced with leased lines.

    • B. 

      VPNs can be used across broadband connections rather than dedicated WAN links.

    • C. 

      VPNs prevents connectivity to SOHO users.

    • D. 

      VPNs require a subscription from a specific Internet service provider that specializes in secure connections.

  • 12. 
    How is “tunneling” accomplished in a VPN?
    • A. 

      New headers from one or more VPN protocols encapsulate the original packets.

    • B. 

      All packets between two hosts are assigned to a single physical medium to ensure that the packets are kept private.

    • C. 

      Packets are disguised to look like other types of traffic so that they will be ignored by potential attackers.

    • D. 

      A dedicated circuit is established between the source and destination devices for the duration of the connection.

  • 13. 
    Which two statements describe a remote access VPN? (Choose two.)
    • A. 

      It connects entire networks to each other.

    • B. 

      It requires hosts to send TCP/IP traffic through a VPN gateway.

    • C. 

      It is used to connect individual hosts securely to a company network over the Internet.

    • D. 

      It may require VPN client software on hosts.

    • E. 

      It requires static configuration of the VPN tunnel.

  • 14. 
    Which is a requirement of a site-to-site VPN?
    • A. 

      It requires a client/server architecture.

    • B. 

      It requires the placement of a VPN server at the edge of the company network.

    • C. 

      It requires hosts to use VPN client software to encapsulate traffic.

    • D. 

      It requires a VPN gateway at each end of the tunnel to encrypt and decrypt traffic.

  • 15. 
    What functionality does mGRE provide to the DMVPN technology?
    • A. 

      It allows the creation of dynamically allocated tunnels through a permanent tunnel source at the hub and dynamically allocated tunnel destinations at the spokes.

    • B. 

      It creates a distributed mapping database of public IP addresses for all VPN tunnel spokes.

    • C. 

      It provides secure transport of private information over public networks, such as the Internet.

    • D. 

      It is a Cisco software solution for building multiple VPNs in an easy, dynamic, and scalable manner.

  • 16. 
    Which two scenarios are examples of remote access VPNs? (Choose two.)
    • A. 

      A toy manufacturer has a permanent VPN connection to one of its parts suppliers.

    • B. 

      All users at a large branch office can access company resources through a single VPN connection.

    • C. 

      A mobile sales agent is connecting to the company network via the Internet connection at a hotel.

    • D. 

      A small branch office with three employees has a Cisco ASA that is used to create a VPN connection to the HQ.

    • E. 

      An employee who is working from home uses VPN client software on a laptop in order to connect to the company network.

  • 17. 
    Refer to the exhibit. What solution can provide a VPN between site A and site B to support encapsulation of any Layer 3 protocol between the internal networks at each site?
    • A. 

      A GRE tunnel

    • B. 

      An IPsec tunnel

    • C. 

      A remote access tunnel

    • D. 

      Cisco SSL VPN

  • 18. 
    Refer to the exhibit. Which IP address is configured on the physical interface of the CORP router?
    • A. 

      10.1.1.1

    • B. 

      10.1.1.2

    • C. 

      209.165.202.133

    • D. 

      209.165.202.134

  • 19. 
    Which three statements are characteristics of generic routing encapsulation (GRE)? (Choose three.)
    • A. 

      GRE encapsulation supports any OSI Layer 3 protocol.

    • B. 

      GRE is stateless.

    • C. 

      GRE does not have strong security mechanisms.

    • D. 

      The GRE header alone adds at least 24 bytes of overhead.

    • E. 

      GRE provides flow control by default.

    • F. 

      GRE is the most secure tunneling protocol.

  • 20. 
    Refer to the exhibit. Which IP address would be configured on the tunnel interface of the destination router?
    • A. 

      172.16.1.1

    • B. 

      172.16.1.2

    • C. 

      209.165.200.225

    • D. 

      209.165.200.226

  • 21. 
    Refer to the exhibit. A tunnel was implemented between routers R1 and R2. Which two conclusions can be drawn from the R1 command output? (Choose two.)
    • A. 

      This tunnel mode is not the default tunnel interface mode for Cisco IOS software.

    • B. 

      This tunnel mode provides encryption.

    • C. 

      The data that is sent across this tunnel is not secure.

    • D. 

      This tunnel mode does not support IP multicast tunneling.

    • E. 

      A GRE tunnel is being used.

  • 22. 
    What is used by BGP to determine the best path to a destination?
    • A. 

      Cost

    • B. 

      Hop count

    • C. 

      Attributes

    • D. 

      Administrative distance

  • 23. 
    What command specifies a BGP neighbor that has an IP address of 5.5.5.5/24 and that is in AS 500?
    • A. 

      (config-router)# neighbor 5.5.5.5 remote-as 500

    • B. 

      (config-router)# router bgp 500

    • C. 

      (config-router)# neighbor 500 remote-as 5.5.5.5

    • D. 

      (config-router)# network 5.0.0.0 0.0.0.255

  • 24. 
    True or False?Multiple BGP processes can run on a router.
    • A. 

      True

    • B. 

      False

  • 25. 
    Refer to the exhibit. Which two configurations will allow router R1 to establish a neighbor relationship with router R2? (Choose two.)
    • A. 

      R1(config)# router bgp 65001R1(config-router)# network 192.168.20.0

    • B. 

      R1(config)# router bgp 65001R1(config-router)# network 192.168.10.0R1(config-router)# neighbor 209.165.200.226 remote-as 65002

    • C. 

      R1(config)# router bgp 65002R1(config-router)# network 192.168.20.0R1(config-router)# neighbor 209.165.200.225 remote-as 65001

    • D. 

      R2(config)# router bgp 65002R2(config-router)# network 192.168.10.0

    • E. 

      R2(config)# router bgp 65002R2(config-router)# network 192.168.10.0R2(config-router)# neighbor 209.165.200.226 remote-as 65002

    • F. 

      R2(config)# router bgp 65002R2(config-router)# network 192.168.20.0R2(config-router)# neighbor 209.165.200.225 remote-as 65001

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