单项选择题
Which statement about Software Maintenance Upgrade is true？（）
A.CRS-1 SMU can be applied to a different platform， and vice versa
B.SMU is an executable code for running a process or libraries that are shared between the different processes
C.SMUs for each release are individually downloadable from Cisco.com and come in the form of a tar ball
D.SMUs provide software fixes for critical network down and qualification blocking issues Therefore，every software defect has a corresponding SMU
E.SMUs are release-specific. If an issue affects multiple platforms or releases，an SMU is built separately for each release and each platform
相关考题
-
多项选择题
WhichthreestatementsaboutL2TPv3aretrue？（）
A.L2TPv3 Frame Relay support includes only 32-bit DLCI addressing
B.L2TPv3 sessions do not support Frame Relay LMI interworking
C.Multipoint DLCI is not supported
D.To use DCE or a Network-to-Network Interface on a Frame Relay port， you must configure the frame-relay switching command
E.L2TPv3 feature does not support Frame Relay extended addressing -
单项选择题
WhichstatementaboutOSPFauthenticationistrue？（）
A.To enable OSPF authentication in a network， OSPF area 0 authentications must be enabled first
B.The payload of OSPF version 3 packets contains no authentication information
C.OSPF version 3 supports Advanced Encryption Standard
D.OSPF version 3 uses router ID as a key to encrypt OSPF hello packets
E.OSPF MD5 authentication uses TCP， and Plan Test authentication uses UDP -
多项选择题
WhichthreestatementsaboutbidirectionalPIMaretrue？（）
A.Traffic for a bidirectional group flows along the one shared tree and simultaneously utilizes multiple paths in a redundant network topology
B.It does not require any traffic signaling in the protocol
C.Membership to a bidirectional group is signaled using explicit Join messages
D.It maintains source-specific forwarding state
E.It reduces memory， bandwidth， and CPU requirements
