A. Port 3/12 was already up and forwarding before the loop was created.
B. Port priority is based on lowest priority and lowest port number.
C. You connected the wire on port 3/18 last.
D. None of the above， it is purely random.
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A.Increase memory allocation for ACLs.
B.Remove all entries from the ACL and use a single permit ip any any statement.
C.Remove the log keyword from each ACL entry.
D.Reboot the device after the ACL has been applied.
A. Only use fiber in pairs.
B. Configure root guard on your switches.
C. Do not use fiber but use copper.
D. Configure UDLD to prevent one-way link conditions.
A.IPSec VPN
B.SSL VPN
C.port security
D.port security with statically configured MAC addresses
E.private VLANs
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
A.root guard
B.loop guard
C.BPDU guard
D.UDLD
E.BPDU skew detection
最新試題
Which three message types are valid PIMv2 message types？（）
Which of these statements about penultimate hop popping are true？（）
Which three protocols or applications should be placed in a class that is configured with WRED？（）
In PIM-SM what control plane signaling must a multicast source perform before it begins to send multicasttraffic to a group？（）
What is also called Type 0 authentication in OSPF on Cisco Routers？（）
Which command is used to enable SSM with the range 232.0.0.0 - 255.0.0.0？（）
Which protocol and port have been assigned by IANA for RADIUS authentication？（）
Which message type is constructed and sent from an MSDP router to its MSDP peers when it receives a PIM register message knowing that the MSDP router is also configured as an RP for the PIM domain？（）
Which two are differences between IGMPv2 and IGMPv3 reports？（）
Which two statements are true about RED？（）