单项选择题
Which of these statements best describes the major difference between an IPv4-compatible tunnel and a 6to4 tunnel？ （）
A. An IPv4-compatible tunnel is a static tunnel， but an 6to4 tunnel is a semiautomatic tunnel.
B. The deployment of a IPv4-compatible tunnel requires a special code on the edge routers， but a 6to4 tunnel does not require any special code.
C. An IPv4-compatible tunnel is typically used only between two IPv6 domains， but a 6to4 tunnel is used to connect to connect two or more IPv6 domains.
D. For an IPv4-compatible tunnel， the ISP assigns only IPv4 addresses for each domain， but for a 6to4 tunnel， the ISP assigns only IPv6 addresses for each domain.
相关考题
-
单项选择题
YouareusingVTPversion2inyournetworktotransportVLANinformationbetweenswitches.When addingaswitchtothenetworkthathasbeenusedinthelabpreviously，younoticethatalotoftheexistingVLANshavebeendeletedorreplacedwithothernames.Whatcanyoudotopreventthisfromhappeninginthefuture，withoutlosingallVTPfeaturesthatyouareusingtoday？（）
A.configure a hard-to-guess VTP domain name
B.use a hard-to-guess VTP password
C.use VTP transparent mode
D.implement VTP version 3 -
单项选择题
WhichofthesebestidentifiesthetypesofprefixesarouterrunningBGPwilladvertisetoanEBGPpeer？（）
A. prefixes received from any other BGP peer and prefixes locally originated via networkstatements or redistributed to BGP
B. all prefixes in its IP routing table
C. only prefixes received from EBGP peers and prefixes locally originated via network statements or redistributed
D. only prefixes received from EBGP peers and prefixes received from route reflectors
E. all prefixes in its routing table except the prefixes received from other EBGP peers
F. all prefixes in its routing table except the prefixes received from other IBGP peers -
多项选择题
Whentroubleshootingduplexmismatches，whichtwoareerrorsthataretypicallyseenonthehalfduplexend？（）
A.excessive collisions
B.FCS errors
C.runts
D.late collisions
