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更多“Which three protocol”相关问题
  • 第1题:

    Which two characteristitcs describe the UDP protocol?()

    A. limited error checking

    B. defined timers

    C. no recovery mechanisms

    D. three-way handshake


    参考答案:A, C

  • 第2题:

    Which three of the following network features are methods used to achieve high availability()

    A.Spanning Tree Protocol(STP)

    B.Delay reduction

    C.Hot Standby Routing Protocol(HSRP)

    D.Dynamic routing protocols

    E.Quality of Service(QoS)

    F.Jitter management


    参考答案:A, C, D

  • 第3题:

    Which two characteristics describe the UDP protocol?()

    • A、limited error checking
    • B、defined timers
    • C、no recovery mechanisms
    • D、three-way handshake

    正确答案:A,C

  • 第4题:

    Which three statements describe the User Datagram Protocol (UDP)?()

    • A、UDP provides delivery notification and error checking mechanisms.
    • B、UDP is faster than the Transmission Control Protocol (TCP).
    • C、UDP application examples include DNS and VoIP.
    • D、UDP is an application layer protocol.
    • E、UDP uses a best effort delivery approach.

    正确答案:B,C,E

  • 第5题:

    Which three traffic descriptors are typically used as QoS markings for packets or frames entering the network?()

    • A、protocol type
    • B、CoS
    • C、DSCP
    • D、IP precedence
    • E、destination address
    • F、input interface

    正确答案:B,C,D

  • 第6题:

    Which three things are the building blocks of the Cisco VPLS architecture?()

    • A、VLAN Trunk Protocol (VTP)
    • B、State Synchronization Protocol (SSP)
    • C、L2VPN
    • D、Ethernet Virtual Switch Interface (VSI)
    • E、Label Distribution Protocol (LDP)

    正确答案:C,D,E

  • 第7题:

    Content filtering enables traffic to be permitted or blocked based on inspection of which three types of content?()(Choose three.)

    • A、MIME pattern
    • B、file extension
    • C、IP spoofing
    • D、POP3
    • E、protocol command

    正确答案:A,B,E

  • 第8题:

    多选题
    Which three JUNOS software features allow for increased security on your network?()
    A

    firewall filters

    B

    data encryption

    C

    routing protocol authentication

    D

    support for BGP path mtu discovery

    E

    automatic discovery for IPSEC neighbors


    正确答案: A,D
    解析: 暂无解析

  • 第9题:

    多选题
    When analog signals are digitized using the G.711 codec, voice samples are encapsulated into protocol data units (PDUs) involving which three headers? ()
    A

    IP

    B

    TCP

    C

    RTP

    D

    UDP

    E

    H323

    F

    CRTP


    正确答案: F,C
    解析: 暂无解析

  • 第10题:

    多选题
    Which three protocols use UDP as a transport protocol by default?()
    A

    HTTP

    B

    TFTP

    C

    DNS

    D

    SNMP

    E

    SMTP


    正确答案: B,C
    解析: 暂无解析

  • 第11题:

    多选题
    Which three statements are true about the Internet Group Management Protocol (IGMP)? ()
    A

    There are three IGMP modes: dense mode, sparse mode, and sparse - dense mode

    B

    IGMP is used to register individual hosts with a multicast group

    C

    IGMP version 3 enables a multicast receiving host to specify to the router which sources it should forward traffic from

    D

    IGMP messages a re IP datagrams with a protocol value of 2, destination address of 224.0.0.2, and a TTL value of 1

    E

    IGMP is a multicast routing protocol that makes packet - forwarding decisions independent of other routing protocols such as EIGRP

    F

    IGMP snooping ru ns on Layer 3 routers


    正确答案: B,F
    解析: 暂无解析

  • 第12题:

    多选题
    In a VoIP network, which three call signaling protocols are supported by the Cisco CallManager for call setup, call maintenance, and call teardown?()
    A

    H323

    B

    UDP

    C

    RTP

    D

    TCP

    E

    Media Gateway Control Protocol (MGCP)

    F

    session initiation protocol (SIP)


    正确答案: C,A
    解析: 暂无解析

  • 第13题:

    Which three statements are true about the Internet Group Management Protocol (IGMP)? ()

    A. There are three IGMP modes: dense mode, sparse mode, and sparse - dense mode

    B. IGMP is used to register individual hosts with a multicast group

    C. IGMP version 3 enables a multicast receiving host to specify to the router which sources it should forward traffic from

    D. IGMP messages a re IP datagrams with a protocol value of 2, destination address of 224.0.0.2, and a TTL value of 1

    E. IGMP is a multicast routing protocol that makes packet - forwarding decisions independent of other routing protocols such as EIGRP

    F. IGMP snooping ru ns on Layer 3 routers


    参考答案:B, C, D

  • 第14题:

    Which three statements about the features of SNMPv2 and SNMPv3 are true?()

    • A、SNMPv3 enhanced SNMPv2 security features
    • B、SNMPv3 added the Inform protocol message to SNMP
    • C、SNMPv2 added the Inform protocol message to SNMP
    • D、SNMPv3 added the GetBulk protocol messages to SNMP
    • E、SNMPv2 added the GetBulk protocol message to SNMP
    • F、SNMPv2 added the GetNext protocol message to SNMP

    正确答案:A,C,E

  • 第15题:

    Which three protocols use UDP as a transport protocol by default?()

    • A、HTTP
    • B、TFTP
    • C、DNS
    • D、SNMP
    • E、SMTP

    正确答案:B,C,D

  • 第16题:

    Which three of the following network features are methods used to achieve high availability()

    • A、Spanning Tree Protocol(STP)
    • B、Delay reduction
    • C、Hot Standby Routing Protocol(HSRP)
    • D、Dynamic routing protocols
    • E、Quality of Service(QoS)
    • F、Jitter management

    正确答案:A,C,D

  • 第17题:

    In a VoIP network, which three call signaling protocols are supported by the Cisco CallManager for call setup, call maintenance, and call teardown? ()

    • A、 H·323
    • B、 UDP
    • C、 RTP
    • D、 TCP
    • E、 Media Gateway Control Protocol (MGCP)
    • F、 session initiation protocol (SIP)

    正确答案:A,E,F

  • 第18题:

    Which three JUNOS software features allow for increased security on your network?()

    • A、firewall filters
    • B、data encryption
    • C、routing protocol authentication
    • D、support for BGP path mtu discovery
    • E、automatic discovery for IPSEC neighbors

    正确答案:A,B,C

  • 第19题:

    Which three types of integration does the Business Event System support?() (Choose three.)

    • A、point-to-point
    • B、parent/child messaging
    • C、messaging hub system
    • D、distributed applications messaging
    • E、simple object access protocol (SOAP) messaging

    正确答案:A,C,D

  • 第20题:

    多选题
    Which three types of integration does the Business Event System support?() (Choose three.)
    A

    point-to-point

    B

    parent/child messaging

    C

    messaging hub system

    D

    distributed applications messaging

    E

    simple object access protocol (SOAP) messaging


    正确答案: D,A
    解析: 暂无解析

  • 第21题:

    多选题
    Which three of the following network features are methods used to achieve high availability?()
    A

    Spanning Tree Protocol (STP)

    B

    Delay reduction

    C

    Hot Standby Routing Protocol (HSRP)

    D

    Dynamic routing protocols

    E

    Quality of Service (QoS)

    F

    Jitter management


    正确答案: A,C,D
    解析: 暂无解析

  • 第22题:

    多选题
    Which three things are the building blocks of the Cisco VPLS architecture?()
    A

    VLAN Trunk Protocol (VTP)

    B

    State Synchronization Protocol (SSP)

    C

    L2VPN

    D

    Ethernet Virtual Switch Interface (VSI)

    E

    Label Distribution Protocol (LDP)


    正确答案: A,D
    解析: 暂无解析

  • 第23题:

    多选题
    Which three statements describe the User Datagram Protocol (UDP)?()
    A

    UDP provides delivery notification and error checking mechanisms.

    B

    UDP is faster than the Transmission Control Protocol (TCP).

    C

    UDP application examples include DNS and VoIP.

    D

    UDP is an application layer protocol.

    E

    UDP uses a best effort delivery approach.


    正确答案: D,E
    解析: 暂无解析

  • 第24题:

    多选题
    Which three statements about the features of SNMPv2 and SNMPv3 are true?()
    A

    SNMPv3 enhanced SNMPv2 security features

    B

    SNMPv3 added the Inform protocol message to SNMP

    C

    SNMPv2 added the Inform protocol message to SNMP

    D

    SNMPv3 added the GetBulk protocol messages to SNMP

    E

    SNMPv2 added the GetBulk protocol message to SNMP

    F

    SNMPv2 added the GetNext protocol message to SNMP


    正确答案: A,C,E
    解析: 暂无解析