Which two QoS classification and marking statements are true

题目
多选题
Which two QoS classification and marking statements are true?()
A

In a Frame Relay network, delay sensitive traffic is tagged with the discard eligible (DE) bit.

B

In an MPLS network, the three most significant bits of the DSCP or the IP precedence of the IP packet are copied into the MPLS EXP field

C

In an MPLS network, the MPLS EXP bits are used to identify up to 16 CoS values.

D

The differentiated services code point (DSCP) field consists of the first three bits of the IP precedence field in the header of an IP packet.

E

The 802.10 standard uses a three bitfield referred to as the user priority bits (PRI) to mark packets as belonging to a specific CoS.

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相似问题和答案

第1题:

单选题
You are installing a Cisco 4402 Series Wireless LAN Controller. Which type of interface should you use on the controller’s distribution port?()
A

1000BASE-SX SFP

B

10/100/1000 Mbps RJ45

C

10/100 Mbps RJ45

D

10000BASE-SX


正确答案: D
解析: 暂无解析

第2题:

多选题
Which three statements are true when configuring Cisco IOS Firewall features using the SDM? ()
A

A custom application security policy can be configured in the Advanced Firewall Security Configuration dialog box.

B

An optional DMZ interface can be specified in the Advanced Firewall Interface Configuration dialog box.

C

Custom application policies for e-mail, instant messaging, HTTP, and peer-to-peer services can be created using the Intermediate Firewall wizard.

D

Only the outside (untrusted) interface is specified in the Basic Firewall Interface Configuration dialog box.

E

The outside interface that SDM can be launched from is configured in the Configuring Firewall for Remote Access dialog box.

F

The SDM provides a basic, intermediate, and advanced firewall wizard.


正确答案: F,B
解析: 暂无解析

第3题:

多选题
Which two statements regarding the Wireless LAN Solution Engine (WLSE) are true ?()
A

to support fault and policy reporting, the WLSE requires a Wireless Control System (WCS)

B

when WLSE detects an AP failure, it automatically increases the power and cell coverage of nearby APs

C

WLSE requires the 2700 location appliance to offer location tracking

D

WLSE can locate rogue APs and automatically shut them down

E

WLSE configuration is done using the command line interface (CLI) or a WEB based template


正确答案: E,D
解析: 暂无解析

第4题:

单选题
Which step would you use to get information about the number of contacts currently in queue?()
A

Get Contact Info  

B

Get Session Info  

C

Get Call Contact Info  

D

Get Reporting Statistics 


正确答案: B
解析: 暂无解析

第5题:

单选题
What formula do you use to calculate the number of agents in a Call Center?()
A

Erlang B  

B

Erlang C  

C

AHT * BHCA  

D

VG ports + IVR ports  


正确答案: A
解析: 暂无解析

第6题:

单选题
The output of s how ip eigrp topology on Router R1 shows the following output, which is all the output related to subnet 10.11.1.0/24. How many feasible successor routes does R1 have for 10.11.1.0/24?() P 10.11.1.0/24, 2 successors, FD is 2172419 via 10.1.1.2 (2172423/2 8167), Serial0/0/0.1 via 10.1.1.6 (2172423/28167), Serial0/0/0.2
A

0

B

1

C

2

D

3


正确答案: B
解析: 暂无解析

第7题:

单选题
急性心力衰竭患儿的护理哪项正确?(  )
A

用洋地黄前应先测心率

B

让患儿头足抬高休息

C

供应充足的饮食

D

经常给患儿翻身

E

用洋地黄期间应少摄入含钾食物


正确答案: D
解析: 暂无解析

第8题:

单选题
患儿,男,4个月。先心病合并肺炎入院,出现心力衰竭征象,并有咳嗽及痰鸣音。为清理该患儿呼吸道宜选用()
A

给患儿多饮水

B

给患儿翻身,拍背

C

体位引流

D

超声雾化

E

负压吸引


正确答案: E
解析: 超声雾化可以稀释痰液利于咳出,故清理该患儿呼吸道宜选用超声雾化。

第9题:

单选题
Which command should you use to verify what networks are being routed by a given OSPF process()
A

show ip ospf

B

show ip route

C

show ip protocol

D

show ip ospfdatabase

E

None of the other alternatives apply


正确答案: A
解析: 暂无解析

第10题:

单选题
心动过缓用()
A

肾上腺素

B

碳酸氢钠

C

阿托品

D

葡萄糖

E

利多卡因


正确答案: A
解析: 阿托品可加快心跳,肾上腺素是促进心脏复跳的首选药物,利多卡因是治疗室颤或室颤反复发作的首选药物。

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