A.IP phones require inline power and must be in separate VLAN to receive inline power
B.IP telephony applications require prioritization over other traffic as they are more delaysensitive
C.IP phones can only receive IP addresses through DHCP if they are in separate VLAN
D.The CDP frames from the IP phone can only be recognized by the switch if the phone is in anauxiliary vlan
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According to the information presented in the following exhibit， can you tell me the reason that thetrust state of interface FastEthernet 0/3 displays "not trusted"？（）
A.The command mis qos needs to be turned on in global configuration mode
B.DSCP map needs to be configured for VOIP
C.ToS has not been configured
D.There is not a Cisco Phone attached to the interface
A.Variable queue delays
B.Packet drops
C.Transmitting too many small packets
D.Compression
A.Mis-routed packets
B.Excess jitter
C.Delay of critical traffic
D.Packet loss due to congestion
E.Data link layer broadcast storms
F.FTP connections unsuccessful
Refer to the exhibit. What is the effect when the switchport priority extend cos 3 command isconfigured on the switch port interface connected to the IP phone？（）
A.Effectively， the trust boundary has been moved to the PC attached to the IP phone
B.The computer is now establishing theCoS value and has effectively become the trust boundary
C.The IP phone is enabled to override with aCoS value of 3 the existing CoS marking of the PCattached to the IP phone
D.The switch will no longer tag incoming voice packets and will extend the trust boundary to thedistribution layer switch
E.RTP will be used to negotiate aCoS value based upon bandwidth utilization on the link
Based on the graphic below， which Catalyst switch interface command should be issued in orderfor the switch to instruct the phone to override the incoming CoS from the CK-PC before sendingthe packet to the switch？（）
A.switchport priority extend cos 11
B.switchport priority extend cos 2
C.mis qos cos 2
D.mis qos cos 2 override
最新試題
IPSec VPN is a widely-acknowledged solution for enterprise network. What are the four steps tosetup an IPsec VPN？（）
Authentication is the process of determining if a user or identity is who they claim to be. Refer tothe exhibit. Which statement about the authentication process is correct？（）
Network Topology Exhibit：Configuration Exhibit：NET（config）# access-list 112 deny icmp any any echo logNET（config）# access-list 112 deny imp any any redirect logNET（config）# access-list 112 deny icmp any any mask-request logNET（config）# access-list 112 permit icmp any 10.1.1.0 0.0.0.255NET（config）# interface Fa0/1NET（config-if）# ip access-group 112 inYou work as a network administrator at networkTut.com， study the exhibit carefully. Theconfiguration has been applied to router NET to mitigate the threat of certain types of ICMPbasedattacks while allowing some ICMP traffic to the corporate LAN to work. However， the configurationis incorrect. On the basis of the information in the exhibit， which configuration option wouldcorrectly configure router NET？（）
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Which two encapsulation methods require that an 827 ADSL router be configured with a PPPusername and CHAP password？（）
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Drag the DSL local loop topic on the left to the correct descriptions on the right.
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