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.
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Refer to the exhibit.
What statement is true about the configuration on switch CAT1？（）
A.The configuration establishes policed DSCP on ports Fa0/11 and Fa0/12 with values ranging from 8 to 56.
B.The configuration overrides 802.1p priorities on packets entering ports Fa0/11 and Fa0/12 with a value of 48.
C.Untagged Port VLAN ID （PVID） frames will carry voice traffic on VLAN 40.
D.Two IP phones with the MAC addresses of 0008.8595.d1a7 and 0007.8595.d2b7 are connected to CAT1 ports Fa0/11 and Fa0/12， respectively.
E.Security violation shutdown mode has been activated for ports Fa0/11 and Fa0/12.
F.The configuration overrides the Quality of Service value in packets entering ports Fa0/11 and Fa0/12 with a value of 45.
You need to configure a new Cisco router to be installed in the Company VOIP network.
Which three interface commands will configure the switch port to support a connected Cisco phone and to trust the CoS values received on the port if CDP discovers that a Cisco phone is attached？ （）
A.switchport voice vlan vlan-id
B.mls qos trust device cisco-phone
C.switchport priority extend cos_value
D.mls qos trust cos
E.mls qos trust override cos
Refer to the exhibit.
Which three statements are true about trust boundaries in the campus network？（）
A.Classification and markingoccur using 802.1ab QoS bits before reaching the trust boundary.
B.A device is trusted if it correctly declassifies packets.
C.A device is trusted if it correctly classifies packets.
D.Network trust boundaries are automatically configured in IOS version 12.3 and later.
E.The outermost trusted devices represent the trust boundary.
F.For scalability， classification should be done as close to the edge as possible.
Refer to the exhibit.
Which two statements are true about the required switch configurations to support a voice VLAN？（）
A.CDP must be disabled on the switch port to prevent interference between CDP messages and voice traffic.
B.Port security cannot be configured on a port that is configured for a voice vlan.
C.Static secure MAC addresses should be configured on voice vlan ports to prevent access by devices other than IP phones.
D.CDP must be enabled on the switch port to allow configuration information to be passed to the IP phone.
E.Portfast must be enabled on the switch port.
F.802.1x authentication cannot be configured on a port configured for a voice vlan.
You have been tasked with setting a trust boundary on the Company network.
What is the basic function of this trust boundary？（）
A. Trust boundaries are points in the network where Layer 2 CoS markings are converted to Layer 3 DSCP or IP precedence markings.
B. Trust boundaries are a point in the network where QoS functionality begins and ends.
C. Trust boundaries determine whether certain types of traffic can pass.
D. Trust boundaries are a point in the network where decisions about CoS markings on incoming packets are made.
E. None of the other alternatives apply
最新試題
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. What command was issued on the Layer 3 switch Sw1 between Exhibit #1 and Exhibit #2？（）
Which three statements about STP timers are true？（）
Which two statements are true when the extended system ID feature is enabled？ （）
Refer to the exhibit. All network links are FastEthernet. Although there is complete connectivity throughout the network， Front Line users have been complaining that they experience slower network performance when accessing the server farm than the Reception office experiences. Based on the exhibit， which two statements are true？（）
Refer to the exhibit. LACP has been configured on Switch1 as shown. Which is the correct command set to configure LACP on Switch2？（）
Which statement is correct about RSTP port roles？（）
Which statement is correct about the use of the virtual interface on a WLC ？（）
Refer to the exhibit. Which Virtual Router Redundancy Protocol （VRRP） statement is true about the roles of the master virtual router and the backup virtual router？（）
Refer to the exhibit. For what purpose is the command show ip cef used？（）