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    [New Exam Dumps] AmazonExam Valid 642-887 Exam with New Added Questions and Answers

    By admin | June 21, 2015

    Tagged with:

    QUESTION 86
    Which two traffic types are recognized by NBAR default configuration settings? (Choose two.)

    A.    HTTP URL
    B.    Sun RPC
    C.    TCP
    D.    UDP
    E.    HTTPS URL

    Answer: AB

    QUESTION 87
    Which statement describes the QoS behavior between P and PE routers of an MPLS provider network for an L3VPN service?

    A.    The PE function honors DSCP markings set by the CE.
    B.    The customer and provider must agree on DSCP classification and traffic priorities.
    C.    Classification of customer traffic is handled by the P router.
    D.    The PE function cannot map DSCP markings to MPLS EXP bits.

    Answer: B

    QUESTION 88
    Which method is used to mark traffic matched by class-map MY_CLASS as Expedited Forwarding?

    A.    set ip dscp cs7
    B.    set dscp cs7
    C.    set dscp 46
    D.    set dscp 45

    Answer: C

    QUESTION 89
    Which method maps MPLS EXP bit 5 to COS 5 on Cisco IOS XE?

    A.    configure terminal
    class-map match exp
    match mpls experimental topmost 5
    exit
    policy-map EXP2Cos
    class exp
    set cos 5
    exit
    class class-default
    random-detec
    interface fastethernet 0/0
    service-policy output EXP2Cos
    B.    configure terminal
    class-map match exp
    match mpls experimental topmost 5
    exit
    policy-map EXP2Cos
    class exp
    set cos 5
    exit
    class class-default
    random-detec
    interface fastethernet 0/0
    service-policy input EXP2Cos
    C.    configure terminal
    class-map match exp
    match mpls cos 5
    exit
    policy-map EXP2Cos
    class exp
    set mpls experimental topmost 5
    exit
    class class-default
    random-detec
    interface fastethernet 0/0
    service-policy output EXP2Cos
    D.    configure terminal
    class-map match exp
    match mpls cos 5
    exit
    policy-map EXP2Cos
    class exp
    set mpls experimental topmost 5
    exit
    class class-default
    random-detec
    interface fastethernet 0/0
    service-policy output EXP2Cos
    exit
    commit
    E.    configure terminal
    ip access-list 101 permit ip any any mpls experimental 5
    class-map match exp
    match access-group 101
    exit
    policy-map EXP2Cos
    class exp
    set cos 5
    exit
    class class-default
    random-detec
    interface fastethernet 0/0
    service-policy output EXP2Cos
    exit

    Answer: A

    QUESTION 90
    The Cisco IOS and IOS XE qos pre-classify command allows which kind of packet classification on IP packets that are encapsulated with GRE and IPsec?

    A.    allows for packets to be classified based on the ToS byte values before packet encryption
    B.    allows for packets to be classified based on the ToS byte values after packet encryption
    C.    allows for packets to be classified based on the packet payload before packet encryption
    D.    allows for packets to be classified based on the packet payload after packet encryption
    E.    allows for packets to be classified based on the packet header parameters other than the ToS byte values after packet encryption

    Answer: E

    More Exam:http://www.amazonexam.com/642-887.html

    QUESTION 91
    An engineer has been tasked to configure a guaranteed 2 Mbps of bandwidth for outgoing FTP traffic on interface FastEthernet 1/1/1 on Cisco IOS XR. Which method accomplishes this configuration?

    A.    configure terminal
    class-map FTP_CLASS
    match protocol ftp
    exit
    policy-map POLICY_1
    class FTP_CLASS
    bandwidth 2000
    exit
    exit
    interface FastEthernet 1/1/1
    service-policy output POLICY_1
    end
    commit
    B.    configure terminal
    class-map FTP_CLASS
    match protocol ftp
    exit
    policy-map POLICY_1
    class FTP_CLASS
    bandwidth 2000000
    exit
    exit
    interface FastEthernet 1/1/1
    service-policy input POLICY_1
    end
    commit
    C.    configure terminal
    access-list 100 permit ip any any eq 21
    policy-map POLICY_1
    match ip access-list 100
    bandwidth 2000
    exit
    exit
    interface FastEthernet 1/1/1
    service-policy output POLICY_1
    end
    commit
    D.    configure terminal
    policy-map POLICY_1
    class FTP_CLASS
    match protocol ftp
    bandwidth 2000000
    exit
    exit
    interface FastEthernet 1/1/1
    service-policy input POLICY_1
    end
    commit

    Answer: A

    QUESTION 92
    An engineer has been tasked to configure a guaranteed 10 Mbps priority queue for traffic matched by class-map VOICE_CLASS on Cisco IOS XR. Which policy must be applied for outgoing traffic on interface FastEthernet 0/0/1?

    A.    configure
    policy-map VOICE_POLICY
    class VOICE_CLASS
    police rate 10000
    exceed-action drop
    exit
    priority level 1
    exit
    exit
    interface FastEthernet 0/0/1
    service-policy output VOICE_POLICY
    commit
    B.    configure
    policy-map VOICE_POLICY
    class VOICE_CLASS
    priority percent 10
    exit
    exit
    interface FastEthernet 0/0/1
    service-policy output VOICE_POLICY
    commit
    C.    configure
    policy-map VOICE_POLICY
    class VOICE_CLASS
    police rate 1000
    exceed-action drop
    exit
    priority level 1
    exit
    exit
    interface FastEthernet 0/0/1
    service-policy output VOICE_POLICY
    commit
    D.    configure
    policy-map VOICE_POLICY
    class VOICE_CLASS
    police rate 10 Mbps
    exceed-action shape
    exit
    priority level 1
    exit
    exit
    interface FastEthernet 0/0/1
    service-policy output VOICE_POLICY
    commit

    Answer: A

    QUESTION 93
    When implementing CBWFQ, where should Weighted Random Early Detection configuration be applied?

    A.    route-map
    B.    policy-map
    C.    class-map
    D.    service-policy

    Answer: B

    QUESTION 94
    Which QoS technique can be used to protect customer traffic from being dropped by traffic rate limiting performed by the service provider?

    A.    LLQ
    B.    policing
    C.    fair-queue
    D.    shaping

    Answer: D

    More Exam:http://www.amazonexam.com/642-887.html

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