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.
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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
Refer to the exhibit. On basis of the configuration that is provided，
where will the trust boundary be established in this network？ （）
A.at the PC
B.at the access switch
C.at the IP phone
D.at the distribution switch
最新試題
What two things will occur when an edge port receives a BPDU？（）
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 and the partial configuration of switch SW_A and SW_B. STP is configured on all switches in the network. SW_B receives this error message on the console port：00：06：34： %CDP-4-DUPLEX_MISMATCH： duplex mismatch discovered on FastEthernet0/5 （not half duplex）， with SW_A FastEthernet0/4 （half duplex） ， with TBA05071417（Cat6K-B） 0/4 （half duplex）. What would be the possible outcome of the problem？（）
Which two statements are true when the extended system ID feature is enabled？ （）
Refer to the exhibit. What does the command channel-group 1 mode desirable do？ （）
Which option correctly identifies the Cisco IOS switching methods in descending order from the fastest method to the slowest method？（）
Refer to the exhibit. Switch S2 contains the default configuration. Switches S1 and S3 both have had the command spanning-tree mode rapid-pvst issued on them. What will be the result？（）
How are STP timers and state transitions affected when a topology change occurs in an STP environment？（）
Which three statements about STP timers are true？（）
Refer to the exhibit. The command switchport mode access is issued on interface FastEthernet0/13 on switch CAT1. What will be the result？（）