CMS专题
多选题Which two statements about queuing mechanisms are true？ （）AFIFO queuing is only appropriate for slower serial interfacesBweighted fair queuing is the default queuing mechanism used for all but slower than E1 rate interfacesConly one queuing mechanism t
题目
FIFO queuing is only appropriate for slower serial interfaces
weighted fair queuing is the default queuing mechanism used for all but slower than E1 rate interfaces
only one queuing mechanism type can be applied to an interface
weighted fair queuing does not require the configuration of access lists to classify traffic
flow-based weighted fair queuing provides for queues to be serviced in a round-robin fashion
参考答案和解析
相似问题和答案
第1题：
A. 1 is the default precedence.
B. A lower number is preferred.
C. A higher number is preferred.
D. 100 is the default precedence.
第2题：
Which two QoS statements are true about the use of the SDM QoS wizard？（）
- A、Business-critical traffic includes VoIP and voice signaling packets.
- B、SDM can be used to configure a basic QoS policy for incoming traffic on WAN interfaces and IPsec tunnels.
- C、SDM can provide QoS for real-time traffic and business-critical traffic.
- D、SDM creates a custom-queuing （CQ） or a priority-queuing （PQ） policy.
- E、SDM creates a low latency queuing （LLQ） service policy with its associated classes.
- F、When allocating bandwidth， values can be entered in either bandwidth percentage or kilobytes per second （kBps）.
正确答案:C,E
第3题：
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.
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 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6题：
Which two statements about queuing mechanisms are true？ （）
- A、FIFO queuing is only appropriate for slower serial interfaces
- B、weighted fair queuing is the default queuing mechanism used for all but slower than E1 rate interfaces
- C、only one queuing mechanism type can be applied to an interface
- D、weighted fair queuing does not require the configuration of access lists to classify traffic
- E、flow-based weighted fair queuing provides for queues to be serviced in a round-robin fashion
正确答案:C,D
第7题：
Which statement is true about the components of a queuing mechanism？（）
- A、Each subinterface has its own hardware queue and can experience congestion just like its main interface
- B、Hardware queuing is only used if the software queues are experiencing congestion.
- C、Hardware queues and software queues are not used concurrently.
- D、The hardware queuing system always uses the FIFO queuing mechanism.
正确答案:D
第8题：
A. AH provides data integrity.
B. AH is identified by IP protocol 50.
C. AH is identified by IP protocol 51.
D. AH cannot work in conjunction with ESP
第9题：
Which two statements are true about traffic shaping？（）
- A、Out-of-profile packets are queued.
- B、It causes TCP retransmits.
- C、Marking/remarking is not supported.
- D、It does not respond to BECN and ForeSight Messages.
- E、It uses a single/two-bucket mechanism for metering.
正确答案:A,C
第10题：
Which two statements are true about network voice traffic？ （Choose two.）（）
- A、 Voice traffic is affected more by link speed than FTP traffic is.
- B、 Voice traffic is affected more by packet delays than FTP traffic is.
- C、 Voice streams involve larger packet sizes than most TCP network traffic involves.
- D、 Voice traffic is more sensitive to packet loss than TCP network traffic is.
- E、 Voice traffic requires QOS mechanisms only in heavily loaded network segments.
正确答案:B,D