CCNA 4 Chapter 5 2017 Exam Answers 100%

CCNA 4 Chapter 5 Exam Answers Full

  1. When implementing routing protocols such as OSPF with E-LAN Metro Ethernet, which statement is true?
    A. All routers in an E-LAN service will become neighbors.
    B. All routers in an E-LAN service require a unique network ID.
    C. All of the E-LAN service sites require a unique area ID.
    D. Only the leaf routers and the root will become neighbors.
  2. Which routing protocol do MPLS providers typically use internally in the provider’s network?
    A. MP-BGP
    B. EIGRP
    C. OSPF
    D. IS-IS
  3. What device connects the remote office DSL modem to the telco’s PSTN and the Internet?
    A. DSL access multiplier
    B. DSL concentrator
    C. 5ESS switch
    D. Digital cross-connect System
  4. Which protocol does IPSec use to encrypt data packets?
    A. AH
    B. ESP
    C. IKE
    D. ISAKMP
  5. What is a benefit of site-to-site IPSec VPNs?
    A. Lower bandwidth requirements
    B. Lower latency
    C. Scalability
    D. Support for multicast
  6. You have been asked to recommend a private WAN technology. All of the remote offices have varied physical connectivity paths. Which private WAN technology should you recommend?
    A. MPLS
    B. Metro Ethernet
    C. PPPoE
    D. GRE tunnels
  7. Which statement is true about implementing routing protocols such as OSPF with E-Tree Metro Ethernet?
    A. All routers in an E-Tree service will become neighbors.
    B. All routers in an E-Tree service require a unique network ID.
    C. All of the E-Tree service sites require a unique area ID.
    D. Only the leaf routers and the root will become neighbors.
  8. Which statement about using MPLS and dynamic routing protocols is true?
    A. CE routers form neighbor relations with other CE routers.
    B. CE routers form neighbor relations with PE routers.
    C. CE routers receive their routing updates with route redistribution from PE routers.
    D. CE routers receive their routing updates with route redistribution from other CE
    routers.
  9. When using MPLS and OSPF, the PE routers function as what?
    A. Autonomous system boundary routers
    B. Super backbone routers
    C. Area border routers
    D. Point-to-multipoint routers
  10. Which mechanism does a service provider use for controlling overages on Metro Ethernet services?
    A. ACLs on the SP network
    B. Policing of traffic
    C. Ethernet virtual circuits
    D. Shaping of traffic
  11. When working with the MPLS provider on providing QOS, which is a consideration for the customer?
    A. MPLS support of DSCP markings
    B. MPLS support of multiple access link technologies
    C. Redistribution of routing protocols
    D. Internal speed of the customer network
  12. Which protocol does IPSec use to check integrity of data packets?
    A. AH
    B. ESP
    C. IKE
    D. ISAKMP
  13. When creating GRE tunnels, what is a consideration that can restrict tunnel creation?
    A. The tunnel interface number
    B. ACLs on the firewall
    C. Speed of the tunnel
    D. Number of hops between the source and destination
  14. When purchasing a Metro Ethernet connection, which option is generally tied to the monthly reoccurring cost of the connection?
    A. IP addresses used to support the service
    B. Routing protocols used to support the service
    C. The committed information rate on the EVC
    D. The use of QOS
  15. Which mechanism can a Metro Ethernet customer employ to ensure proper QoS?
    A. ACLs on the SP network
    B. Policing of traffic
    C. Ethernet virtual circuits
    D. Shaping of traffic
  16. When a customer purchases MPLS and supports EIGRP, which statement is
    correct?

    A. The customer can opt to have the PE provide EIGRP.
    B. The customer can configure all of the EIGRP routers to use the same Autonomous System Number (ASN).
    C. The customer must configure all of the EIGRP routers to use different Autonomous System Numbers (ASNs).
    D. All of the routers must share the super backbone.
  17. Which Exterior Gateway Protocol (EGP) is used to route Internet traffic?
    A. IS-IS
    B. OSPF
    C. eBGP
    D. iBGP
  18. Which statement correctly identifies the differences between iBGP and eBGP?
    A. eBGP routers peer with other eBGP routers in the same AS.
    B. iBGP routers peer with other iBGP routers in the same AS.
    C. An iBGP router advertises prefixes with other iBGP routers in which the router has learned.
    D. iBGP connects enterprise networks with ISPs.
  19. How are BGP neighbors formed?
    A. Via BGP discovery
    B. Via BGP hello packets
    C. Via static BGP neighbor assignment
    D. BGP multicasting

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