When a router converts analog signals to digital signals， what three steps are always included in the process？（）

A.involution
B.encoding
C.sampling
D.quantization
E.compression
F.companding

点击查看答案&解析

上一题目录下一题

相关考题

多项选择题

What two steps need to be taken in deploying AutoQoS for enterprise on routers？（）

A.provide visibility into the classes of service deployed using system logging and SNMP traps
B.determine WAN settings for fragmentation， compression， encapsulation， and Frame Relay-ATM interworking
C.enable the AutoQoS VoIP for voice traffic
D.generate and deploy MQC-based QoS policies
E.profile the traffic with Auto-Discovery

单项选择题

A branch office of Acme Insurance has 15 IP phones connected to the main office using the distributed call processing model. Normally， the phones work with great quality. However， during very busy times when all of the agents are on the phone at the same time， the voice quality drops precipitously. Words or phrases or both are dropped from conversations. What is the most likely cause of the problem？（）

A.large files are being downloaded over the WAN network
B.IP phone traffic is not being classified correctly
C.more bandwidth is required for the office LAN
D.Call Admission Control has not been implemented
E.employees are watching videos over the internet
F.header compression is not being used

多项选择题

Which two QoS statements are true about the use of the SDMQoS 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 andIPsec 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）

备案号：湘ICP备2022003000号-1

关注
顶部

微信扫一扫,加关注免费搜题