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 a

题目
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.

参考答案和解析
正确答案: B
解析: 暂无解析
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相似问题和答案

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:

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3题:

Interface ge-0/0/2.0 of your device is attached to the Internet and is configured with an IP address and network mask of 71.33.252.17/24. A Web server with IP address 10.20.20.1 is running an HTTP service on TCP port 8080. The Web server is attached to the ge-0/0/0.0 interface of your device. You must use NAT to make the Web server reachable from the Internet using port translation.Which type of NAT must you configure?()

A. source NAT with address shifting

B. pool-based source NAT

C. static destination NAT

D. pool-based destination NAT


参考答案:D

第4题:

Which statement is true about interface-based source NAT?()

  • A、PAT is a requirement.
  • B、It requires you to configure address entries in the junos-nat zone.
  • C、It requires you to configure address entries in the junos-global zone.
  • D、The IP addresses being translated must be in the same subnet as the egress interface.

正确答案:A

第5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6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


参考答案:D

第7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:A

第8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


参考答案:A, B, C

第9题:

Interface ge-0/0/2.0 of your device is attached to the Internet and is configured with an IP address and network mask of 71.33.252.17/24. A Web server with IP address 10.20.20.1 is running an HTTP service on TCP port 8080. The Web server is attached to the ge-0/0/0.0 interface of your device. You must use NAT to make the Web server reachable from the Internet using port translation. Which type of NAT must you configure?()

  • A、source NAT with address shifting
  • B、pool-based source NAT
  • C、static destination NAT
  • D、pool-based destination NAT

正确答案:D

第10题:

Interface ge-0/0/2.0 of your device is attached to the Internet and is configured with an IP address andnetwork mask of 71.33.252.17/24. A webserver with IP address 10.20.20.1 isrunning an HTTP service on TCP port 8080. The webserver is attached to the ge-0/0/0.0 interface of yourdevice. You must use NAT to make the webserver reachable from the Internet using port translation.Which type of NAT must you configure?()

  • A、source NAT with address shifting
  • B、pool-based source NAT
  • C、static destination NAT
  • D、pool-based destination NAT

正确答案:D

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