单项选择题
A.A trunk port should be configured on the link between CK-SW1 and CK-SW2 to pingsuccessfully
B.The two hosts should be in the same VLAN in order to ping successfully
C.A Layer 3 device is a must in order for the ping command to be successful
D.The ping command will be successful without any further configuration changes
单项选择题 Refer to the exhibit. VLAN2， VLAN3， and VLAN10 are configured on the switch D-SW1.Host computers are on VLAN 2 （10.1.2.0）， servers are on VLAN 3 （10.1.3.0）， and the management VLAN is on VLAN10 （10.1.10.0）. Hosts are able to ping each other but are unable toreach the servers. On the basis of the exhibited output， which configuration solution could rectifythe problem？（）
单项选择题 Refer to the exhibit. Host A and Host B are connected to the Catalyst 3550 switch and have beenassigned to their respective VLANs. The rest of the 3550 configuration is the default configuration.Host A is able to ping its default gateway， 10.10.10.1， but is unable to ping Host B. Given theoutput displayed in the exhibit， which statement is true？（）
多项选择题 Youworkasanetworktechnician.YourbossisinterestedintheQoStechnologyinthecontextofvideotraffic.Whatcanbesaidofapplicationofthistechnologyinthistypeofnetwork？（）
