A.root guard B.loop guard C.BPDU guard D.UDLD E.BPDU skew detection
A.configuring EIGRP stubs B.configuring a second EIGRP AS and redistributing C.configuring summary addresses D.configuring an offset-list E.configuring a prefix-list F.configuring unicast neighbors
A.Out-of-profile packets are queued. B.It causes TCP retransmits. C.Marking and remarking are not supported. D.It does not respond to BECN and foresight messages. E.It uses a single- and two-bucket mechanism for metering.
A. The trunking configuration mode on Switch1 is set to Off. B. The trunking configuration mode on the other end is set to On. C. The trunking configuration mode on the other end is set to Desirable. D. Cisco Discovery Protocol is not running on the other end. E. There is a VTP domain name mismatch. F. Switch1 does not support 802.1Q
A. Make HSRP track interfaces between the edge and core routers. B. Replace HSRP with GLBP. 用GLBP替換HSRP C. Add crossed intrasite links: R1-R4, R2-R3, R5-R8, and R6-R7. D. Make R3 and R8 have lower HSRP priority than R1 and R7. E. Replace HSRP with VRRP