VOIP is being implemented in the Company network and you need to assess the need for QoS.
Which of the following network problems would indicate a need to implement QoS features？（）
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
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VOIP is being implemented on the Company network. In a properly designed network，
what is the maximum amount of time a voice package should spend crossing a network？ （）
A.90 milliseconds
B.120 milliseconds
C.150 milliseconds
D.240 milliseconds
Jitter is causing problems with the VOIP application in the Company network.
What causes network jitter？（）
A.Variable queue delays
B.Packet drops
C.Transmitting too many small packets
D.Compression
Refer to the exhibit. A trunk link is connected between switch A_SW and switch D_SW. Based on the configuration shown in the exhibit，
how would the traffic coming from the switch A_SW be managed？ （）
A.The trunk port Fa0/1 on switch A_SW will trust allCoS values on the frames coming from the IP phone.
B.The trunk port Fa0/1 on switch A_SW will trust allCoS values on the frames received on the IP phone.
C.The trunk port Fa0/1 on switch D_SW will trust allCoS values on the frames coming from port Fa0/1 on A_SW.
D.The trunk port Fa0/1 on switch D_SW will trust allCoS values on the frames received on the A_SW switch port Fa0/4.
E.The trunk port Fa0/1 on switch D_SW will trust allCoS values on the frames received on the IP phone port.
Refer to the exhibit.
Which statement is true when voice traffic is forwarded on the same VLAN used by the data traffic？ （）
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.
Refer to the exhibit.
Why does the trust state of interface FastEthernet 0/3 show "not trusted"？ （）
A.DSCP map needs to be configured for VOIP.
B.ToS has not been configured.
C.ToS has been misconfigured.
D.The command mls qos needs to be turned on in global configuration mode.
E.There is not a Cisco Phone attached to the interface.
最新試題
Refer to the exhibit. For what purpose is the command show ip cef used？（）
If G1/0/1 on DS1 is shutdown， what will be the current priority value of the Vlan105’s group on DS1 ？（）
During routine maintenance， G1/0/1 on DS1 was shutdown. All other interface were up. DS2 became the active HSRP device for Vlan101 as desired. However， after G1/0/1 on DS1 was reactivated. DS1 did not become the active HSRP device as desired. What need to be done to make the group for Vlan101 function properly ？ （）
What will occur when a nonedge switch port that is configured for Rapid Spanning Tree does not receive a BPDU from its neighbor for three consecutive hello time intervals？（）
Refer to the exhibit. LACP has been configured on Switch1 as shown. Which is the correct command set to configure LACP on Switch2？（）
Refer to the exhibit. The command switchport mode access is issued on interface FastEthernet0/13 on switch CAT1. What will be the result？（）
What two things will occur when an edge port receives a BPDU？（）
What is the configured priority value of the Vlan105’s group on DS2 ？（）
Which three statements about STP timers are true？（）
Which router redundancy protocol cannot be configured for interface tracking？（）