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<P>Which statements are true regarding ISDN channels? Select three<BR>A. Each B channel can transmit up to 64 kbps<BR>B. The ISDN B channel carries voice or data<BR>C. the ISDN B channel transmits control information.<BR>D. The D channel transmission rate varies depending on the service used.<BR>E. HDLC or PPP can be used to encapsulate D channel information.<BR>Answer: A, B, D</P><P>the answer is right, </P><P>D channel rate for BRI is 16 kps (max)<BR>D channel rate for PRI is 64 kps (max)<BR>but it may be lesser base on service provice.</P><P><IMG src="http://spoto.net/bbs/images/Emotions/72.gif"></P><P>Which interface commands would you enter on a Catalyst 2900 switch, if your goal<BR>was to bring all VLAN traffic to another directly connected switch? (Select the two<BR>valid responses)<BR>A. Switch(config-if)# vlan all<BR>B. Switch(config-if)# switchport trunk encapsulation dot1q<BR>C. Switch(config-if)# switchport access vlan all<BR>D. Switch(config-if)# switchport mode trunk<BR>E. Switch(config-if)# switchport access vlan 303<BR>Answer: B, D</P><P>the answer is wrong. C,D is correct</P><P> <IMG src="http://spoto.net/bbs/images/Emotions/48.gif"><IMG src="http://spoto.net/bbs/images/Emotions/9.gif"></P><p>［此帖子已被 sky 在 2005-5-20 9:12:14 编辑过］ |
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发表于 2005-5-17 14:29:28
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