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单选题Which QoS preclassification option will require the use of the qos pre-classify command for the VPN traffic？ （）A VPN traffic needs to be classified based on the Layer2 header informationB VPN traffic needs to be classified based on the IP precedence or

题目
单选题
Which QoS preclassification option will require the use of the qos pre-classify command for the VPN traffic？ （）
A

VPN traffic needs to be classified based on the Layer2 header information

B

VPN traffic needs to be classified based on the IP precedence or DSCP

C

VPN traffic needs to be classified based on IP flow or Layer 3 information， such as source and destination IP address

D

VPN traffic with Authentication Header （AH） needs to preserve the ToS byte

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相似问题和答案

第1题：

Which of the following networks would MOST likely require EGP routing?()

A. Networks that use OSPF in addition to static routes

B. Networks with classless Internet domain routing

C. Networks with multiple ISPs

D. Networks that use encryption


参考答案：C

第2题：

Which of the following DB2 objects are publicly referenced names that require no special authority or privilege to use them?()

A.View

B.Alias

C.Table

D.Package


参考答案：B

第3题：

View the following SQL statements:You want to back out transaction T2. Which option would you use?()

A. It is possible, but transaction T3 also backs out.

B. It is possible with the NOCASCADE_FORCE option.

C. It is possible with the NONCONFLICT_ONLY option.

D. It is not possible because it has conflicts with transaction T3.


参考答案：B

第4题：

Which of the following ATOM traffic encapsulations require the use of a Control Word？（）

  • A、Cell relay
  • B、aal5
  • C、Ethernet VLAN
  • D、Frame Relay
  • E、HDLC
  • F、PPP

正确答案:B,D

第5题：

Lossless Ethernet for FCoE is achieved through the use of which features？（）

  • A、 Priority flow control
  • B、 Buffer-to-buffer credits
  • C、 TCP retransmission
  • D、 Ethernet checksum
  • E、 QoS policies

正确答案:A,E

第6题：

Which of the following applications is MOST likely to require QoS to ensure proper functionality?()

A. HTTP

B. VoIP

C. SNMPv3

D. Peer to peer


参考答案：B

第7题：

Which of the following procedures correctly lists the prerequisite software that requires installation with an AIX licensed program product?()

A.Use the lppdiff command to list the contents

B.Use the installp -Q command to list the contents

C.Choose the SMIT option to Preview Install Only

D.Choose the SMIT option to list dependents of a software product


参考答案：C

第8题：

Which two functions require the use of the CLI?() (Choose two.)

A. adding a VLAN

B. adding a cluster

C. running a tcpdump

D. adding a target server


参考答案：A, C

第9题：

Which type of software would the Cisco Catalyst 2950 Series switches use to deliver intelligent services to networks that require additional security， advanced QoS， and high availability？（）

  • A、 Enhanced Image
  • B、 StandardImag
  • C、 Cisco IOS software
  • D、 Enhanced Multilayer Software Image

正确答案:A

第10题：

What is true about Quality of Service （QoS） for VPNs？（）

  • A、QoS preclassification is only supported on generic routing encapsulation （GRE） and IPsec VPNs
  • B、QoS preclassification is not required in Layer 2 Tunneling Protocol （L2TP）， Layer2 Forwarding （L2F）， and Point-to-Point Tunneling Protocol （PPTP） VPNs
  • C、QoS preclassification is supported on IPsec AH VPNs， but not on IPsec ESP VPNs
  • D、the QoS-for-VPNs feature （QoS preclassification） is designed for VPN transport interfaces
  • E、with IPsec tunnel mode， the type of service （ToS） byte value is copied automatically from the original IP header to the tunnel header

正确答案:C

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