CMS专题

单选题Rewrite rules are used in which CoS scenario?（）A When a single device is configured to provide differentiated services.B When multiple devices in a network are configured to use CoS to provide differentiated services.C When a device is used to connect

题目
单选题
Rewrite rules are used in which CoS scenario?（）
A

When a single device is configured to provide differentiated services.

B

When multiple devices in a network are configured to use CoS to provide differentiated services.

C

When a device is used to connect to another autonomous system.

D

When CoS is used to classifiy traffic as low priority.

参考答案和解析
正确答案： A
解析： 暂无解析
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相似问题和答案

第1题：

Which three authentication server types are supported for retrieving user attributes used in role－ mapping rules?()

A. LDAP

B. S/Key

C. TACACS+

D. RADIUS

E. SiteMinder


参考答案：A, D, E

第2题：

What is the first CoS process performed when a packet enters a JUNOS device?()

A.Rewrite Marker

B.Multifield Classifier

C.Policing

D.BA Classifier


参考答案：D

第3题：

In which scenario would index be most useful? ()

A. The indexed column is declared as NOT NULL.

B. The indexed columns are used in the FROM clause.

C. The indexed columns are part of an expression.

D. The indexed column contains a wide range of values.


参考答案：D

第4题：

What best describes the usage of Route-Target rewrite？（）

  • A、Route-Target Rewrite is mainly used in Inter-AS MPLS-VPN deployments and is configured at the PErouter in originating AS ASBR to avoid misconfiguration in Route-Target assignment for VPN configurations.
  • B、Route-Target Rewrite is mainly used in Inter-AS MPLS-VPN deployments and is configured at the route-Reflector in originating AS ASBR to avoid misconfiguration in Route-Target assignment for VPN configurations.
  • C、Route-Target Rewrite is mainly used in Inter-AS MPLS-VPN deployments and is configured at the ASBR to avoid misconfiguration in Route-Target assignment for VPN configurations.
  • D、None of the above.

正确答案:C

第5题：

A company printer is used to print payroll checks on paper forms with carbon backing. Which ofthe following is the BEST type of printer for this scenario?()

A. Laser

B. Impact

C. Inkjet

D. Thermal


参考答案：B

第6题：

In which two ways can you influence how downstream LSRs treat MPLS traffic?()

A. Use an EXP rewrite table.

B. Use a DSCP rewrite table.

C. Statically assign a CoS value to an LDP-signaled LSP.

D. Statically assign a CoS value to an RSVP-signaled LSP.


参考答案：A, D

第7题：

What is the last CoS process performed prior to a packet leaving a router?()

A.Rewrite Marker

B.Multifield Classifier

C.Policing

D.BA Classifier


参考答案：A

第8题：

Referring to the exhibit, which type of classifier is being used in this CoS configuration?()

A. behavior aggregate

B. policer

C. multifield

D. forwarding policy


参考答案：A

第9题：

An administrator is configuring IP 10.178.1.5 on a legacy device that will only accept a classfuladdress. Which of the following is the address that can be used in this scenario?()

A.10.178.1.5/1

B.10.178.1.5/8

C.10.178.1.5/16

D.10.178.15/30


参考答案：B

第10题：

Which two statements about voice VLANs are correct？（）

  • A、Voice VLANs eliminate the need for QoS configuration
  • B、Voice VLANs are used on trunk links to eliminate the need for QoS CoS markings
  • C、Voice VLANs are mainly used to reduce the number of access switch ports that are used in the network
  • D、Voice VLANs can be configured to forward existing CoS priorities or override them
  • E、Voice VLANs are mainly used between access layer switches and distribution layer switches
  • F、Voice VLANs can be configured on Layer 2 ports only

正确答案:D,F

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