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Which two statements are true about the primary address on a

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Which two statements are true about the primary address on an interface?（）
A

It is the address used by default as the local address for broadcast and multicast packets sourced locally and sent out of the interface.

B

You use the primary address when you have multiple IP addresses belonging to the same subnet on the same interface.

C

It can be useful for selecting the local address used for packets sent out of unnumbered interfaces when multiple non-127 addresses are configured on the loopback interface.

D

By default, the primary address on an interface is selected as the numerically highest local address configured on the interface.

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第1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.


参考答案：B, D

第2题：

Which of following statements about testing software with data is (are) true?

Ⅰ.The primary purpose of such testing is to find errors.

Ⅱ.Such testing can demonstrate the existence of errors but can not demonstrate the absence of errors.

A．Neither

B．Ⅰ only

C．Ⅱ only

D．Ⅰ and Ⅱ


正确答案：B

第3题：

Which of the following statements about testing software with data is (are) true?

Ⅰ.The primary purpose of such testing is to find errors.

Ⅱ.Such testing can demonstrate the existence of errors but cannot demonstrate the absence of errors.

A．Neither

B．I only

C．Ⅱonly

D．Ⅰand Ⅱ


正确答案：B

第4题：

Which two statements about the Cisco Nexus 1000V VSM are true?（）

  • A、It performs switching decisions and forwarding for the VEM
  • B、It can be run on a virtual machine
  • C、It can be used for remote VEM switching Iine cards

正确答案:B,C

第5题：

Which of the following statements is TRUE about the primary system dump device?（）

  • A、 It is shared. 
  • B、 It must be /dev/hd6. 
  • C、 It must be an internal disk. 
  • D、 It can be an external device.

正确答案:D

第6题：

Which two statements about subnet masks are true?()

A.If a bit is turned on (1), the corresponding bit in the IP address is used for the host portion.

B.If a bit is turned off (0), the corresponding bit in the IP address is used for the host portion.

C.If a bit is turned on (1), the corresponding bit in the IP address is used for the network prefix.

D.If a bit is turned off (0), the corresponding bit in the IP address is used for the network prefix.


参考答案：B, C

第7题：

Which two statements are true about the command ip route 172.16.3.0 255.255.255.0 192.168.2.4 (Choose two.)（）。

  • A、It establishes a static route to the 172.16.3.0 network
  • B、It establishes a static route to the 192.168.2.0 network
  • C、It configures the router to send any traffic for an unknown destination to the 172.16.3.0 network
  • D、It configures the router to send any traffic for an unknown destination out the interface with the address 192.168.2.4
  • E、It uses the default administrative distance
  • F、It is a route that would be used last if other routes to the same destination exist

正确答案:A,E

第8题：

Which two statements are true about pool－based source NAT? ()(Choose two.)

A. PAT is not supported.

B. PAT is enabled by default.

C. It supports the address-persistent configuration option.

D. It supports the junos-global configuration option.


参考答案：B, C

第9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10题：

Which three statements about anycast RP are true？ （）

  • A、MSDP is running between anycast RPs
  • B、Anycast RP provides redundancy and load-sharing capabilities
  • C、Multicast BGP is running between anycast RPs
  • D、In anycast RP，two or more RPs are configured with the same multicast IP address on loopback interfaces
  • E、In anycast RP，two or more RPs are configured with the same unicast IP address on loopback interfaces

正确答案:A,B,E

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