a shared single interface
the ability to track serial interfaces
UDP-based hello packets
the impact of flapping links if timers are too low
第1题：
甲状腺受体
垂体
甲状腺
丘脑
大脑
第2题：
第3题：
Standard encoding techniques create an uncompressed digital data rate of 4000 bps.
Standard encoding techniques create an uncompressed digital data rate of 8000 bps.
Standard encoding techniques create an uncompressed digital data rate of 64，000 bps.
Voice quality is not a concern if compression is not used.
Two methods of quantization are linear and logarithmic.
Two methods of compression are u-law and a-law.
第4题：
颅内出血
化脓性脑膜炎
高血压脑病
法洛四联症脑缺氧发作
低血糖
第5题：
下端食管括约肌的肌细胞缺如
括约肌屏障功能减弱
食管蠕动功能障碍
食管裂孔疝术后
食管闭锁术后
第6题：
Problem report
Problem collaboration
Problem diagnosis
Problem resolution
Problem documentation
Probiem authentication
第7题：
Variable queue delays
Packet drops
Transmitting too many small packets
Compression
第8题：
Do you want to debug the script?
Do you want to refresh the script?
Do you want to save the application?
Do you want to return to Script Management?
第9题：
start LDP
enable CEF switching
configure the MPLS ID
disable IP TTL propagation
configure conditional label advertising
enable label switching on frame mode interfaces
第10题：
Business-critical traffic includes VoIP and voice signaling packets.
SDM can be used to configure a basic QoS policy for incoming traffic on WAN interfaces and IPsec tunnels.
SDM can provide QoS for real-time traffic and business-critical traffic.
SDM creates a custom-queuing （CQ） or a priority-queuing （PQ） policy.
SDM creates a low latency queuing （LLQ） service policy with its associated classes.
When allocating bandwidth， values can be entered in either bandwidth percentage or kilobytes per second （kBps）.