Which QoS mechanism will allow a single policy to be applied to multiple interfaces?（）

A . Hydraulic oil pressure B . Servomotor action C . Flyweight centrifugal force D . Relay motio

A . NBAR provides the ability to configure MCQ； it is a mandatory MCQ component. B . NBAR provides deep packet inspection and is used for advanced packet classification. C . NBAR provides per-protocol packet and byte accounting functionality； it is used to track bandwidth utilization for all protocols described in the loaded PDLMs. D . NBAR provides scheduling in an MQC policy map using an advanced algorithm.

A . Authorization B . Data integrity C . Confidentiality D . Authenticatio

A .  authorization B .  data integrity C .  confidentiality D .  authenticatio

A . The use of a queuing method that will give VoIP traffic strict priority over other traffic B . The use of RTP header compression for the VoIP traffic C . The proper classification and marking of the traffic as close to the source as possible D . The use of 802.1QinQ trunking for VoIP traffic E . The use of WRED

A . increase B . decrease C . fluctuate D . remain constant

A . The use of a queuing method that will give VoIP traffic strict priority over other traffic   B . The use of RTP header compression for the VoIP traffic. C . The proper classification and marking of the traffic as close to the source as possible D . The use of 802.1QinQ trunking for VoIP traffic E . The use of WRED for the VoIP traffic

A . An alternator B . An electric motor C . A diesel engine D . A main switchboard

A . Authorization B . Data integrity C . Confidentiality D . Authenticatio

A . best-effort delivery B . ingress committed rate （ICR） C . shaping and policing D . egress committed rate （ECR） E . Integrated Services （IntServ） F . differentiated services （DiffServ）

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.

A . qos-group B . DSCP C . LFI D . NBAR

A . show command B . debug command C . configuration command D . rommon command

A . CHAP uses a two-way handshake B . CHAP authentication periodically occurs after link establishment C . CHAP has no protection from playback attacks D . CHAP authentication is performed only upon link establishment E . CHAP uses a three-way handshake F . CHAP authentication passwords are sent in plaintext

A . The rams work inside cylinders B . The cylinders have glands sealing their open ends C . The rams are connected to a cross-head D . The cross-head is mounted on the rudder stock

A . (1), (2) and (3) B . (1), (2) and (4) C . (2), (3) and (4) D . None of the above

A .  MS-CHAP v2. B .  Internet Authentication service （IAS）. C .  Multilink & Bandwidth Allocation Protocol （BAP）. D .  Remote access policies on all servers running Routing & Remote Access.

A . a combination of constant volume and constant pressure B . a combination of constant temperature and constant pressure C . entirely constant pressure D . entirely constant volume

A .  authorization B .  data integrity C .  confidentiality D .  authenticatio

A . qos-group B . DSCP C . LFI D . NBAR

A . VPN traffic needs to be classified based on the Layer2 header information B . VPN traffic needs to be classified based on the IP precedence or DSCP C . VPN traffic needs to be classified based on IP flow or Layer 3 information， such as source and destination IP address D . VPN traffic with Authentication Header （AH） needs to preserve the ToS byte

A．Right B．Wrong C．Not mentioned

A、Fixed Routing B、Spanning Tree C、Source Routing D、Frame Forwarding