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多选题Which two are uses of NAT？（）Aenabling network migrationsBconserving public IP addressesCallowing stateful packet inspectionDpreventing unauthorized connections from outside the network

题目
多选题
Which two are uses of NAT？（）
A

enabling network migrations

B

conserving public IP addresses

C

allowing stateful packet inspection

D

preventing unauthorized connections from outside the network

参考答案和解析
正确答案： B,C
解析： 暂无解析
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相似问题和答案

第1题：

Which of the following network devices uses NAT to convert private IP addresses into public IPaddresses?()

A.NAS

B.Firewall

C.Hub

D.Bridge


参考答案：B

第2题：

Which two statements about using the CHAP authentication mechanism in a PPP link are true?（）

  • A、CHAP uses a two-way handshake
  • B、CHAP authentication periodically occurs after link establishment
  • C、CHAP has no protection from playback attacks
  • D、CHAP authentication is performed only upon link establishment
  • E、CHAP uses a three-way handshake
  • F、CHAP authentication passwords are sent in plaintext

正确答案:B,E

第3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.


参考答案：B, D

第4题：

Which of the following describes a static NAT？（）

  • A、A static NAT uses a one to many mapping.
  • B、A static NAT uses a many to one mapping.
  • C、A static NAT uses a many to many mapping.
  • D、A static NAT uses a one to one mapping.

正确答案:D

第5题：

Which two statements correctly identify factors to consider when Configuring WAN QoS？（）

  • A、Voice Traffic uses Assured Forwarding
  • B、Voice Signaling traffic uses Assured Forwarding
  • C、Voice Signaling traffic uses priority queuing
  • D、Voice Traffic uses priority queuing
  • E、Voice signaling traffic should use priority queuing with Assured Forwarding

正确答案:B,D

第6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:B,D

第7题：

Which two statements about static NAT translations are true?（）

  • A、They are always present in the NAT table.
  • B、They allow connection to be initiated from the outside.
  • C、They can be configured with access lists, to allow two or more connections to be initiated from the outside.
  • D、They require no inside or outside interface markings because addresses are statically defined.

正确答案:A,B

第8题：

Which two statements are correct regarding MPLS LSP establishment methods?() (Choose two.)

A. LDP uses Down Stream On Demand.

B. RSVP uses Down Stream On Demand.

C. LDP uses Down Stream Unsolicited.

D. RSVP uses Down Stream Unsolicited.


参考答案：B, C

第9题：

Which two statements about OSPF IPv6 routing are true？（）

  • A、It requires OSPF version 3.
  • B、automatically detects neighbors over NHMA interfaces
  • C、It supports encryption using
  • D、It uses LSA type 9
  • E、It uses LSA type 8

正确答案:A,E

第10题：

Which of the following network devices uses NAT to convert private IP addresses into public IPaddresses?（）

  • A、NAS
  • B、Firewall
  • C、Hub
  • D、Bridge

正确答案:B

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