更多“多选题Which two statements are true about AH?() (Choose two.)AAH provides data integrity.BAH is identified by IP protocol 50.CAH is identified by IP protocol 51.DAH cannot work in conjunction with ESP”相关问题
  • 第1题:

    Which two statements about route redistribution when implementing OSPF are true?()

    A. Routes learned using any IP routing protocol can only be redistributed into non IP routing protocols.

    B. OSPF can import routes learned using EIGRP, RIP, and IS - IS.

    C. OSPF routes cannot be exported into EIGRP, RIP, an d IS - IS.

    D. At the interdomain level, OSPF cannot import routes learned using BGP.

    E. OSPF routes can be exported into BGP.


    参考答案:B, E

  • 第2题:

    Which two statements about the DiffServ  model are true?()

    • A、a class can be identified as a single application, multiple applications with similar service needs,or be based on the source or destination IP address
    • B、a drawback of the DiffServ field in the MAC header to mark frames into behavior aggregates (BAs)
    • C、DiffServ uses the DiffServ field in the MAC header to mark frames into behavior
    • D、the DiffServ field occupies the same eight bits of the MAC header that were previously used for the ToS field
    • E、the first six high-order bits of the DiffServ field are used to identify the Resource Reservation Protocol (RSVP) value
    • F、the primary goal of DiffServ is scalability

    正确答案:A,F

  • 第3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4题:

    Which two packet attributes contribute to the identification of a session? ()(Choose two.)

    • A、destination port
    • B、TTL
    • C、IP options
    • D、protocol number

    正确答案:A,D

  • 第5题:

    Which two statements are true about hierarchical architecture? ()(Choose two.)

    • A、You can assign a logical interface to multiple zones.
    • B、You cannot assign a logical interface to multiple zones.
    • C、You can assign a logical interface to multiple routing instances.
    • D、You cannot assign a logical interface to multiple routing instances.

    正确答案:B,D

  • 第6题:

    Which two statements are true about a Work Item with "Open" Notification? ()(Choose two.)

    • A、The Work Item is not eligible for Purge.
    • B、The Work Item is eligible for a Permanent purge.
    • C、The Work Item is eligible for a Temporary purge.
    • D、The Work Item is not complete because it still has "Open" Notification.
    • E、The Work Item is eligible for both Temporary and Permanent purge.

    正确答案:A,D

  • 第7题:

    多选题
    Which two statements about route redistribution when implementing OSPF are true?()
    A

    Routes learned using any IP routing protocol can only be redistributed into non IP routing protocols.

    B

    OSPF can import routes learned using EIGRP, RIP, and IS - IS.

    C

    OSPF routes cannot be exported into EIGRP, RIP, an d IS - IS.

    D

    At the interdomain level, OSPF cannot import routes learned using BGP.

    E

    OSPF routes can be exported into BGP.


    正确答案: B,E
    解析: 暂无解析

  • 第8题:

    多选题
    Which two statements are true about RSVP and the InServ QoS model?()
    A

    a drawback of implementing RSVP is the requirement to migrate to a supporting routing protocol

    B

    RSVP uses DSCP to signal QoS requirements to routers

    C

    RSVP is a routing protocol

    D

    RSVP is an IP protocol that uses IP protocol ID 46, and TCP/UDP ports 3455

    E

    RSVP specifically provides a level of service for rate-sensitive and delay-sensitive traffic

    F

    the flow-based approach of RSVP is ideal for large, scalable implementations such as the public internet


    正确答案: D,F
    解析: 暂无解析

  • 第9题:

    多选题
    Which two statements about the DiffServ  model are true?()
    A

    a class can be identified as a single application, multiple applications with similar service needs,or be based on the source or destination IP address

    B

    a drawback of the DiffServ field in the MAC header to mark frames into behavior aggregates (BAs)

    C

    DiffServ uses the DiffServ field in the MAC header to mark frames into behavior

    D

    the DiffServ field occupies the same eight bits of the MAC header that were previously used for the ToS field

    E

    the first six high-order bits of the DiffServ field are used to identify the Resource Reservation Protocol (RSVP) value

    F

    the primary goal of DiffServ is scalability


    正确答案: F,E
    解析: 暂无解析

  • 第10题:

    多选题
    Which two statements are true about a Work Item with "Open" Notification? ()(Choose two.)
    A

    The Work Item is not eligible for Purge.

    B

    The Work Item is eligible for a Permanent purge.

    C

    The Work Item is eligible for a Temporary purge.

    D

    The Work Item is not complete because it still has Open Notification.

    E

    The Work Item is eligible for both Temporary and Permanent purge.


    正确答案: C,A
    解析: 暂无解析

  • 第11题:

    多选题
    Which two statements are true about the Automatic Diagnostic Repository (ADR)?() (Choose two.)
    A

    The ADR base keeps all diagnostic information in binary format

    B

    SQL*Plus provides the ADRI script, which can be used to work with ADR

    C

    The ADR can be used for problem diagnosis only when the database is open

    D

    The ADR can be disabled by settting the DIAGNOSTIC_DEST parameter to null

    E

    The ADR can be used for problem diagnosis even when the database instance is down

    F

    The ADR base is shared across multiple instances


    正确答案: D,B
    解析: 暂无解析

  • 第12题:

    多选题
    Which two statements are true about the duplexing of the backups taken by RMAN? ()(Choose two.)
    A

    It's only supported for the backups performed on the tape

    B

    It is not supported for backup operations that produce image copies

    C

    Duplex backups need a parallelism for the device to be equal to number of copies

    D

    Duplex backups can be performed to either disk or tape, but cannot be performed on tape and disk simultaneously


    正确答案: B,D
    解析: 暂无解析

  • 第13题:

    Which two statements are true about voice packets in a LAN? (Choose two.)  ()

    • A、 Voice traffic data flow involves large volumes of large packets.
    • B、 Because a packet loss involves a small amount of data, voice traffic is less affected by packet losses than traditional data traffic is.
    • C、 Voice carrier stream utilizes Real-Time Transport Protocol (RTP) to carry the audio/media portion of VoIP communication.
    • D、 Voice packets are very sensitive to delay and jitter.
    • E、 Voice packets are encapsulated in TCP segments to allow for proper sequencing during delivery.

    正确答案:C,D

  • 第14题:

    Which two statements are true about RSVP and the InServ QoS model?()

    • A、a drawback of implementing RSVP is the requirement to migrate to a supporting routing protocol
    • B、RSVP uses DSCP to signal QoS requirements to routers 
    • C、RSVP is a routing protocol
    • D、RSVP is an IP protocol that uses IP protocol ID 46, and TCP/UDP ports 3455
    • E、RSVP specifically provides a level of service for rate-sensitive and delay-sensitive traffic
    • F、the flow-based approach of RSVP is ideal for large, scalable implementations such as the public internet

    正确答案:D,E

  • 第15题:

    Which two values are used by Spanning Tree Protocol to elect a root bridge (Choose two.)()。

    • A、amount of RAM
    • B、bridge priority
    • C、IOS version
    • D、IP address
    • E、MAC address
    • F、speed of the links

    正确答案:B,E

  • 第16题:

    Which two statements are true about AH?() (Choose two.)

    • 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:A,C

  • 第17题:

    Which two statements are true about the duplexing of the backups taken by RMAN? ()(Choose two.)

    • A、It's only supported for the backups performed on the tape
    • B、It is not supported for backup operations that produce image copies
    • C、Duplex backups need a parallelism for the device to be equal to number of copies
    • D、Duplex backups can be performed to either disk or tape, but cannot be performed on tape and disk simultaneously

    正确答案:B,D

  • 第18题:

    多选题
    Which two are components of the enhanced services software architecture?() (Choose two.)
    A

    Linux kernel

    B

    routing protocol daemon

    C

    session-based forwarding module

    D

    separate routing and security planes


    正确答案: C,A
    解析: 暂无解析

  • 第19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: C,D
    解析: 暂无解析

  • 第20题:

    多选题
    Which two statements are true about hierarchical architecture? ()(Choose two.)
    A

    You can assign a logical interface to multiple zones.

    B

    You cannot assign a logical interface to multiple zones.

    C

    You can assign a logical interface to multiple routing instances.

    D

    You cannot assign a logical interface to multiple routing instances.


    正确答案: B,C
    解析: 暂无解析

  • 第21题:

    多选题
    Which two statements are true about AH?() (Choose two.)
    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,A
    解析: 暂无解析

  • 第22题:

    多选题
    Which two statements are true about voice packets in a LAN? (Choose two.)  ()
    A

    Voice traffic data flow involves large volumes of large packets.

    B

    Because a packet loss involves a small amount of data, voice traffic is less affected by packet losses than traditional data traffic is.

    C

    Voice carrier stream utilizes Real-Time Transport Protocol (RTP) to carry the audio/media portion of VoIP communication.

    D

    Voice packets are very sensitive to delay and jitter.

    E

    Voice packets are encapsulated in TCP segments to allow for proper sequencing during delivery.


    正确答案: B,A
    解析: 暂无解析

  • 第23题:

    多选题
    Which two statements are true about precedence values in policy?() (Choose two.)
    A

    1 is the default precedence.

    B

    A lower number is preferred.

    C

    A higher number is preferred.

    D

    100 is the default precedence.


    正确答案: D,C
    解析: 暂无解析

  • 第24题:

    多选题
    Which two values are used by Spanning Tree Protocol to elect a root bridge? (Choose two.)()。
    A

    amount of RAM

    B

    bridge priority

    C

    IOS version

    D

    IP address

    E

    MAC address

    F

    speed of the links


    正确答案: B,E
    解析: 暂无解析