单项选择题
Lafeyette Productions is looking for a new ISP that has improved availability， load balancing， andcatastrophe protection. Which type of ISP connectivity solution would be best？（）
A. single run
B. multi-homed
C. stub domain EBGP
D. direct BGP peering
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YouaretheCiscoNetworkDesignerinCisco.com.WhichstatementiscorrectregardingNBARandNetFlow？（）
A. NBAR examines data in Layers 1 and 4.
B. NBAR examines data in Layers 3 and 4.
C. NetFlow examines data in Layers 3 and 4.
D. NBAR examines data in Layers 2 through 4. -
多项选择题
Usersofasite-to-siteVPNarereportingperformanceproblems.TheVPNconnectionemploysIPSecandGREandtraversesseveralEthernetsegments.TheVPNpacketsarebeing fragmentedastheytraversethelinks.Whatwouldbetwomethodstoovercomethisproblem？（）
A. Employ path MTU discovery.
B. Set the MTU higher than 1500 bytes.
C. Turn off pre-fragmentation for IPSec.
D. Set the MTU value to 1400 bytes. -
单项选择题
YouaretheCiscoNetworkDesignerinCisco.com.Whichofthesestatementsistrueofclientlessend-userdevices？（）
A. They do not receive unique IP addresses.
B. RADIUS or LDAP is required.
C. They are assigned addresses from the internal DHCP pool.
D. Their traffic appears to originate from the originating host network.
