Choose the true statement regarding QoS pre-classify.()A、QoS pre-classify permits making QoS decisions based on elements from the unencrypted IP packet.B、QoS pre-classify is required when encrypting voice.C、QoS pre-classify is an advantage to Service Prov

题目

Choose the true statement regarding QoS pre-classify.()

  • A、QoS pre-classify permits making QoS decisions based on elements from the unencrypted IP packet.
  • B、QoS pre-classify is required when encrypting voice.
  • C、QoS pre-classify is an advantage to Service Providers transporting encrypted packets.
  • D、QoS pre-classify is not designed for IPSec/GRE configurations.

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  • 第1题:

    Which two statements are true regarding L2TP? ()(Choose two.)

    A. Tunnels are initiated by the LAC

    B. Tunnels are initiated by the LNS

    C. By default, subscriber authentication occurs on the LNS

    D. By default, subscriber authentication occurs on the LAC


    参考答案:A, C

  • 第2题:

    Which two statements are true about L2TP tunnels?() (Choose two.)

    • A、Traffic is clear text
    • B、Traffic is encrypted 
    • C、They are initiated by the LNS
    • D、They are initiated by the LAC

    正确答案:A,D

  • 第3题:

    Which two statements are true regarding L2TP? ()(Choose two.)

    • A、Tunnels are initiated by the LAC
    • B、Tunnels are initiated by the LNS
    • C、By default, subscriber authentication occurs on the LNS
    • D、By default, subscriber authentication occurs on the LAC

    正确答案:A,C

  • 第4题:

    多选题
    When defining a function activity, what is true about the Result Type?() (Choose two.)
    A

    Result Type is optional.

    B

    Result Type is mandatory.

    C

    Result Type can be changed after it is assigned to the function activity.

    D

    Result Type should belong to the same item type as the function activity


    正确答案: C,D
    解析: 暂无解析

  • 第5题:

    多选题
    Which of the following statements are true for routers but not true for Layer 3 Ethernet switches?(Choose all that apply.)()
    A

    May have Ethernet as well as non-Ethernet interfaces

    B

    Traditionally used as a standalone device for inter-VLAN communication

    C

    Makes use of TCAMs

    D

    Uses subinterfaces to define trunks

    E

    Can use both Layer 2 and Layer 3 to make forwarding decisions

    F

    Allows the definition of Switched Virtual Interfaces(SVI)


    正确答案: A,B
    解析: 暂无解析

  • 第6题:

    单选题
    You are developing an application to assist the user in conducting electronic surveys.The survey consists of 25 true-or-false questions.You need to perform the following tasks: Initialize each answer to true.Minimize the amount of memory used by each survey. Which storage option should you choose?()
    A

    BitVector32 answers = new BitVector32(1);

    B

    BitVector32 answers = new BitVector32(-1);

    C

    BitArray answers = new BitArray (1);

    D

    BitArray answers = new BitArray(-1);


    正确答案: A
    解析: 暂无解析

  • 第7题:

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    An IPsec tunnel is established on an SRX Series Gateway on an interface whose IP address was obtained using DHCP.Which two statements are true? ()(Choose two.)
    A

    Only main mode can be used for IKE negotiation

    B

    A local-identity must be defined

    C

    It must be the initiator for IKE

    D

    A remote-identity must be defined


    正确答案: B,C
    解析: 暂无解析

  • 第8题:

    单选题
    Which of the following is NOT true about people with good mental health?
    A

    They are emotionally, spiritually, intellectually and creatively developed.

    B

    They are confident, assertive, and people-aware.

    C

    They enjoy mutually satisfying personal relationships.

    D

    They choose companionship over solitude.


    正确答案: A
    解析:
    录音中指出“If we have good mental health, we can develop emotionally, creatively, intellectually and spiritually.”,A项内容与此对应。随后录音中还提到“We can initiate, develop and sustain mutually satisfying personal relationships.”(我们可以开始,发展,维持彼此满意的人际关系),所以C项正确。录音中还提到“What is more, we are confident, assertive, aware of others, and empathetic with them”(更重要的是,我们自信,坚定,关注他人,并与他们感同身受),所以B项也正确。根据“We can also use and enjoy solitude”可知,D项不正确。

  • 第9题:

    多选题
    Which two statements about static NAT are true? ()(Choose two.)
    A

    Static NAT can only be used with destination NAT.

    B

    Static NAT rules take precedence over overlapping dynamic NAT rules.

    C

    NAT rules take precedence over overlapping static NAT rules.

    D

    A reverse mapping is automatically created.


    正确答案: C,B
    解析: 暂无解析

  • 第10题:

    Which of the following statements are true for routers but not true for Layer 3 Ethernet switches?(Choose all that apply.)()

    • A、May have Ethernet as well as non-Ethernet interfaces
    • B、Traditionally used as a standalone device for inter-VLAN communication
    • C、Makes use of TCAMs
    • D、Uses subinterfaces to define trunks
    • E、Can use both Layer 2 and Layer 3 to make forwarding decisions
    • F、Allows the definition of Switched Virtual Interfaces(SVI)

    正确答案:A,B,D

  • 第11题:

    Which three are true about MPLS LSP establishment using RSVP?() (Choose three.)

    • A、Ordered Control
    • B、Independent Control
    • C、Down Stream Unsolicited
    • D、Liberal Label Management
    • E、Down Stream On Demand

    正确答案:A,D,E

  • 第12题:

    多选题
    Which two statements are true about L2TP tunnels?() (Choose two.)
    A

    Traffic is clear text

    B

    Traffic is encrypted 

    C

    They are initiated by the LNS

    D

    They are initiated by the LAC


    正确答案: B,D
    解析: 暂无解析

  • 第13题:

    单选题
    You are an enterprise administrator for Cer-tech .com. The company runs Windows Server 2008 on all theservers on the network. One of the servers, Server01 has the Web Server (IIS) role installed. The serverhosts a Web application called App1 that uses a custom application pool, which is set to recycle every1,440 minutes. The App1 does not support multiple worker processes. Which of the following options wouldyou choose to configure the application pool to ensure that users can access App1 after the applicationpool is recycled?()
    A

    Set the Disable Overlapped Recycling option to True.

    B

    Set the Shutdown Executable option to True.

    C

    Set the Disable Recycling for Configuration Changes option to True.

    D

    Set the Process Orphaning Enabled option to True.


    正确答案: A
    解析: 暂无解析

  • 第14题:

    多选题
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    A

    AH provides data integrity.

    B

    AH is identified by IP protocol 50.

    C

    AH is identified by IP protocol 51.

    D

    AH cannot work in conjunction with ESP


    正确答案: D,C
    解析: 暂无解析

  • 第15题:

    多选题
    Which two statements are true regarding L2TP? ()(Choose two.)
    A

    Tunnels are initiated by the LAC

    B

    Tunnels are initiated by the LNS

    C

    By default, subscriber authentication occurs on the LNS

    D

    By default, subscriber authentication occurs on the LAC


    正确答案: C,D
    解析: 暂无解析

  • 第16题:

    多选题
    Which two statements are true when source/destination filters are enabled? ()(Choose two.)
    A

    Excluded traffic is not accelerated.

    B

    Excluded traffic is only compressed.

    C

    Source/destination filter applies to all traffic sent from LAN to WAN.

    D

    Source/destination filters work in packet interception mode using RIPv2.


    正确答案: A,B
    解析: 暂无解析

  • 第17题:

    多选题
    Which two statements regarding symmetric key encryption are true?() (Choose two.)
    A

    The same key is used for encryption and decryption.

    B

    It is commonly used to create digital certificate signatures.

    C

    It uses two keys: one for encryption and a different key for decryption.

    D

    An attacker can decrypt data if the attacker captures the key used for encryption.


    正确答案: D,B
    解析: 暂无解析

  • 第18题:

    多选题
    Which two statements are true about pool-based source NAT? ()(Choose two.)
    A

    PAT is not supported.

    B

    PAT is enabled by default.

    C

    It supports the address-persistent configuration option.

    D

    It supports the junos-global configuration option.


    正确答案: D,C
    解析: 暂无解析