更多“Source address源地址”相关问题
  • 第1题:

    Your boss is learning a CCNA training course,refer to the exhibit.The access list has been configured on the S0/0 interface of router RTB in the outbound direction.Which two packets,if routed to the interface,will be denied?()access-list 101 denytcp192.168.15.320.0.0.15any eq telnetaccess-list 101 permitip any any

    A.source ip address:192.168.15.5;destination port: 21

    B.source ip address:,192.168.15.37 destination port: 21

    C.source ip address:,192.168.15.41 destination port: 21

    D.source ip address:,192.168.15.36 destination port: 23

    E.source ip address:192.168.15.46;destination port: 23

    F.source ip address:,192.168.15.49 destination port: 23


    参考答案:D, E

  • 第2题:

    根据下图,该access list被配置在路由器RTB的S0/0接口上的OUT方向,哪两个数据包会被DENY,如果被路由到该接口上的话?()

    A.source ip address:192.168.15.5 destination port:21

    B.source ip address:192.168.15.37 destination port:21

    C.ssource ip address192.168.15.41 destination port:21

    D.source ip address:192.168.15.36 destination port:23

    E.source ip address:192.168.15.46 destination port:23

    F.source ip address:192.168.15.49 destination port:23


    参考答案:D, E

  • 第3题:

    IPv6包头中的字段包括哪些()

    • A、Version(版本)
    • B、Traffic Class(业务负载类别)
    • C、Flow Label(流标号)
    • D、Payload Length(有效负载长度)
    • E、Next Header(下一包头)
    • F、Hop Limit(跳转限度)
    • G、Source Address(源地址)
    • H、Destination Address(目标地址)

    正确答案:A,B,C,D,E,F,G,H

  • 第4题:

    What is the function of the Cisco IOS command ip nat inside source static 10.1.1.5 172.35.16.5?()

    • A、It creates a global address pool for all outside NAT transactions.
    • B、It establishes a dynamic address pool for an inside static address.
    • C、It creates dynamic source translations for all inside local PAT transactions.
    • D、It creates a one-to-one mapping between an inside local address and an inside global address.
    • E、It maps one inside source address to a range of outside global addresses.

    正确答案:D

  • 第5题:

    Which statement describes the behavior of source NAT with address shifting?()

    • A、Source NAT with address shifting translates both the source IP address and the source port of a packet.
    • B、Source NAT with address shifting defines a one-to-one mapping from an original source IP address to a translated source IP address.
    • C、Source NAT with address shifting can translate multiple source IP addresses to the same translated IP address.
    • D、Source NAT with address shifting allows inbound connections to be initiated to the static source pool IP addresses.

    正确答案:B

  • 第6题:

    What keywords do you need to the access-list to provide to the logging message like source address and source mac address?()

    • A、Log
    • B、Log-input
    • C、Log-output
    • D、Logging

    正确答案:B

  • 第7题:

    On which options are standard access list based?()

    • A、source address and subnet mask
    • B、destination address and wildcard mask
    • C、source address and wildcard mask
    • D、destination address and subnet mask

    正确答案:C

  • 第8题:

    Which three attributes are carried in a source active message?()

    • A、NLRI information
    • B、IP address of originating RP
    • C、address of multicast source
    • D、all active RPs in the local domain
    • E、group address to which the source is sending

    正确答案:B,C,E

  • 第9题:

    单选题
    What keywords do you need to the access-list to provide to the logging message like source address and source mac address?()
    A

    Log

    B

    Log-input

    C

    Log-output

    D

    Logging


    正确答案: C
    解析: 暂无解析

  • 第10题:

    单选题
    Which of the following descriptions about IP spoofing is correct?()
    A

    IP source address is forged

    B

    IP destination address is forged

    C

    IP TCP source port is forged

    D

    IP TCP destination port is forged

    E

    None of above


    正确答案: C
    解析: 暂无解析

  • 第11题:

    名词解释题
    Source address源地址

    正确答案: 包内的一个地址,用于指明发送该包的计算机。硬件帧中源地址必须是硬件地址。IP数据报中源地址必须是IP地址。
    解析: 暂无解析

  • 第12题:

    多选题
    Which three methods of source NAT does JUNOS Software support?()
    A

    interface-based source NAT

    B

    source NAT with address shifting

    C

    source NAT using static source pool

    D

    interface-based source NAT without PAT

    E

    source NAT with address shifting and PAT


    正确答案: A,B,C
    解析: 暂无解析

  • 第13题:

    What three pieces of information can be used in an extended access list to filter traffic (Choose three.)()。

    A.protocol

    B.VLAN number

    C.TCP or UDP port numbers

    D.source switch port number

    E.source IP address and destination IP address

    F.source MAC address and destination MAC address


    参考答案:A, C, E

  • 第14题:

    IPv6包头中的字段包括哪些()

    A.Version(版本)

    B.Traffic Class(业务负载类别)

    C.Flow Label(流标号)

    D.Payload Length(有效负载长度)

    E.Next Header(下一包头)

    F.Hop Limit(跳转限度)

    G.Source Address(源地址)

    H.Destination Address(目标地址)


    参考答案:A, B, C, D, E, F, G, H

  • 第15题:

    What is the function of the Cisco IOS command ip nat inside source static 10.1.1.5 172.35.16.5()。

    • A、It creates a global address pool for all outside NAT transactions
    • B、It establishes a dynamic address pool for an inside static address
    • C、It creates dynamic source translations for all inside local PAT transactions
    • D、It creates a one-to-one mapping between an inside local address and an inside global address
    • E、It maps one inside source address to a range of outside global addresses

    正确答案:D

  • 第16题:

    Which three methods of source NAT does the Junos OS support?() (Choose three.)

    • A、interface-based source NAT
    • B、source NAT with address shifting
    • C、source NAT using static source pool
    • D、interface-based source NAT without PAT
    • E、source NAT with address shifting and PAT

    正确答案:A,B,C

  • 第17题:

    Which three methods of source NAT does JUNOS Software support?()

    • A、interface-based source NAT
    • B、source NAT with address shifting
    • C、source NAT using static source pool
    • D、interface-based source NAT without PAT
    • E、source NAT with address shifting and PAT

    正确答案:A,B,C

  • 第18题:

    What three pieces of information can be used in an extended access list to filter traffic (Choose three.)()。

    • A、protocol
    • B、VLAN number
    • C、TCP or UDP port numbers
    • D、source switch port number
    • E、source IP address and destination IP address
    • F、source MAC address and destination MAC address

    正确答案:A,C,E

  • 第19题:

    Which of one the following fields is contained within an IEEE Ethernet frame header?()

    • A、source and destination MAC address
    • B、source MAC address and destination network address only
    • C、source and destination network address only
    • D、source network address and destination MAC address
    • E、source and destination MAC address and source and destination network address

    正确答案:A

  • 第20题:

    单选题
    What is the effect of the following access list condition?  access-list 101 permit ip 10.25.30.0 0.0.0.255 any()。
    A

    permit all packets matching the first three octets of the source address to all destinations

    B

    permit all packets matching the last octet of the destination address and accept all source addresses

    C

    permit all packets from the third subnet of the network address to all destinations

    D

    permit all packets matching the host bits in the source address to all destinations

    E

    permit all packets to destinations matching the first three octets in the destination address


    正确答案: B
    解析: 暂无解析

  • 第21题:

    单选题
    Which statement describes the behavior of source NAT with address shifting?()
    A

    Source NAT with address shifting translates both the source IP address and the source port of a packet.

    B

    Source NAT with address shifting defines a one-to-one mapping from an original source IP address to a translated source IP address.

    C

    Source NAT with address shifting can translate multiple source IP addresses to the same translated IP address.

    D

    Source NAT with address shifting allows inbound connections to be initiated to the static source pool IP addresses.


    正确答案: B
    解析: 暂无解析

  • 第22题:

    多选题
    Which three methods of source NAT does the Junos OS support?() (Choose three.)
    A

    interface-based source NAT

    B

    source NAT with address shifting

    C

    source NAT using static source pool

    D

    interface-based source NAT without PAT

    E

    source NAT with address shifting and PAT


    正确答案: E,D
    解析: 暂无解析

  • 第23题:

    单选题
    What is the function of the Cisco IOS command ip nat inside source static 10.1.1.5 172.35.16.5?()
    A

    It creates a global address pool for all outside NAT transactions.

    B

    It establishes a dynamic address pool for an inside static address.

    C

    It creates dynamic source translations for all inside local PAT transactions.

    D

    It creates a one-to-one mapping between an inside local address and an inside global address.

    E

    It maps one inside source address to a range of outside global addresses.


    正确答案: D
    解析: 暂无解析