The voice VLAN feature has been enabled on a new Company Catalyst switch port.  What is the  effect of this？ （）

A . lsmap -all B . lsmap -net C . lsmap -ent D . lsmap -vla

A . lsmap -all B . lsmap -net C . lsmap -ent D . lsmap -vla

A . The default CoS value for incoming traffic is set up to 0. B . The CoS value is trusted for 802.1p or 802.1q tagged traffic. C . PortFast is automatically disabled when a voice VLAN is configured. D . The voice VLAN feature is disabled by default. E . The IP phone accepts the priority of all tagged and untagged traffic and sets the CoS value to 4. F . When the voice VLAN feature is enabled， all untagged traffic is sent according to the default  CoS priority of the port

A . The packet priority received from a device that is connected to the phone will be unmodified. B . The packet priority received from a device that is connected to the phone will be overridden. C . Incoming CoS values in packets from the connected phone will be left unmodified. D . Packets without aCoS value that is set by the phone will be set to a value of 5. E . Incoming CoS values in packets from the connected phone will be reset to a value of 5. F . Packets without aCoS value that is set by the phone will be set to the default CoS value.

A . it has a low birthrate B . it has a late marriage age C . it has an excess of females in the population D . it has a high proportion of bachelors and spinsters of all age

A .  The CoS value is trusted for 802.1p or 802.1q tagged traffic. B .  The voice VLAN feature is disabled by default. C .  The IP phone accepts the priority of all tagged and untagged traffic and sets the CoS value to 4. D .  When the voice VLAN feature is enabled， all untagged traffic is sent according to the default CoS priority of the port. E .  PortFast is automatically disabled when a voice VLAN is configured. F .  The default CoS value for incoming traffic is set to 0.

A . OSPF B . LDP C . BGP D . IS-IS E . RSVP

A . Reboot the server B . RSA II C . LightPath Diagnostics D . ServerGuide

A .  InterVLAN routing cannot be filtered by the router. B .  The router becomes a single point of failure for the network. C .  Routers will not route STP BPDUs. D .  There is a possibility of inadequate bandwidth for each VLAN. E .  Additional overhead on the router can occur. F .  NetFlow Switching is required for InterVLAN accounting.

A . Physically the voice network and the data network are separate B . The voice traffic will normally be on a different IP subnet than will the data traffic C . End user intervention is necessary to place the phone into the proper VLAN D . The same security policy should be implemented for both voice and data traffic E . The data VLAN must be configured as the native VLAN

A . No more than one secure MAC address should be set. B . The default will be set. C . The IP phone should use a dedicated port， therefore only one MAC address is needed per port. D . No value is needed if the switchport priority extend command is configured.  E . No more than two secure MAC addresses should be set.

A .  Ports in VLAN 5 B .  Utilization C .  VLAN information on port 0/5 D .  Filters E .  MTU and type

A . The voice traffic cannot be forwarded to the distribution layer. B . The voice traffic cannot use 802.1p priority tagging. C . Port security cannot be enabled on the switch that is attached to the IP phone. D . Quality of service cannot be applied for the voice traffic.

A .  Voice carrier stream utilizes Real-Time Transport Protocol (RTP) to carry the audio/media  portion of the VoIP communication.   B .  Voice traffic data flow involves large volumes of large packets.   C .  Because a packet loss involves a small amount of data, voice traffic is less affected by packet  losses than traditional data traffic is.   D .  Voice packets are encapsulated in TCP segments to allow for proper sequencing during  delivery.  E .  Voice packets are very sensitive to delay and jitter.&e

A . requires access lists to identify the voice traffic  B . can allow traffic from a device without 802.1X authentication, by MAC address C . can allow traffic from Cisco IP phones by listening to their CDP advertisements D . allows all packets marked with a ToS of 5 to bypass authentication E . allows all IP voice packets to bypass authentication via stateful inspectio

A . The port is configured for both data and voice traffic. B . The port is fully dedicated to forwarding voice traffic. C . The port will operate as an FXS telephony port. D . Voice traffic will be redirected to VLAN 222.

A .  Physically the voice network and the data network are separate. B .  The voice traffic will normally be on a different IP subnet than will the data traffic. C .  End user intervention is necessary to place the phone into the proper VLAN. D .  The same security policy should be implemented for both voice and data traffic. E .  The data VLAN must be configured as the native VLAN.

A . wireless monitoring device B . wireless LAN controller C . wireless bridge D . wireless management device E . access point

A .  If BPDUs are not received on a non-designated port， the port is moved into the STP loop- inconsistent blocked state B .  IF BPDUs are received on a PortFast enabled port， the port is disabled. C .  If superior BPDUs are received on a designated port， the interface is placed into the root- inconsistent blocked state. D .  If inferior BPDUs are received on a root port， all blocked ports become alternate paths to the  root bride.

A . Ice blink B . Whiteout C . Water sky D . Aurora reflectio

A .  DAI can be performed on ingress ports only. B .  DAI can be performed on both ingress and egress ports. C .  DAI is supported on access ports， trunk ports， EtherChannel ports， and private VLAN ports.   D .  DAI should be enabled on the root switch for particular VLANs only in order to secure the ARP  caches of hosts in the domain. E .  DAI should be configured on all access switch ports as untrusted and on all switch ports connected to other switches as trusted. F .  DAI is supported on access and trunk ports only.

A．data B．source C．message D．media

<img src='https://img2.soutiyun.com/shangxueba/ask/64347001-64350000/64349888/0398b672a5fe93231b8d66737518db9a.png' /> A.It has more than one interface that is connected to the root network segment. B.It is running RSTP while the elected root bridge is running 802.1d spanning tree. C.It has a higher MAC address than the elected root bridge. D.It has a higher bridge ID than the elected root bridge.

&middot;Par value per share $10 &middot;Annual dividend per share $2 &middot;Maturity 15 yea A、Overvalued by $4.73. B、Fairly valued at $25.00. C、Undervalued by $15.00.