Wh.ch version of spanning tree is recommended for the enterprise campus？（）

多项选择题WhichtwostatementscorrectlyidentifyconsiderationstotakeintoaccountwhendecidingonCampusQoSDesignelements？（）

A. Voice needs to be assigned to the hardware priority queue
B. Voice needs to be assigned to the software priority queue
C. Call signaling must have guaranteed bandwidth service
D. Strict-priority queuing should be limited to 50 percent of the capacity of the link
E. At least 33 percent or the link bandwidth should be reserved tor default best effort class

单项选择题WhichofthefollowingistrueregardingtheeffectofEIGRPqueriesonthenetworkdesign？（）

A. EIGRP queries will be the most significant issue with respect to stability and convergence 
B. EIGRP queries are not a consideration as long as EIGRP has a feasible successor with a nexthop AD that is greater than the FD of the current successor route 
C. EIGRP queries will only increase the convergence time when there are no EIGRP stubsdesigned in the network

单项选择题WhichofthefollowingistruewhenconsideringtheServerload-balancingdesignwithintheE-CommerceModuleoftheEnterpriseCampusnetwork？（）

A. Routed mode requires the ACE run OSPF or EIGRP
B. Bridged mode switches a packet between the public and the private subnets when it sees itsMAC address as the destination
C. Two-armed mode will place the SLB inline to the servers， with different client-side and a server-side VLANs
D. One-armed mode， which uses the same VLAN for the client， the ACE， and the servers， requiresa traffic-diversion mechanism to ensure the traffic return from the server passes though the ACE

单项选择题WhichfactorisleastlikelytoaffectthescalabilityofaVPNdesign？（）

A. number of branch offices
B. number of IGP routing peers
C. remote Office and home worker throughput bandwidth requirements
D. high availability requirements
E. Supported applications

单项选择题WhenconsideringthedesignoftheIPv6addressplanfortheEnterpriseCampusnetwork，whichofthefollowingshouldserveasguidance？（）

A. All the IPv6 subnets should use a /32 prefix
B. Set aside /31 prefixes to support point-to-point links and loopback interfaces
C. The IPv6 address plan should be designed to support the service block model design orintegration with IPv4
D. Designate 16 subnet bits to be split up intelligently， either by OSPF area. VLAN numbering， orIPv4 mapping