【多选题】Which two of these are correct regarding access control lists? (Choose two.) ()
A.
An ACL can be applied to multiple interlaces.
B.
An ACL wildcard mask is identical to an IP subnet mask.
C.
There may be multiple ACLs per protocol, per direction, and per interface.
D.
There is an "implicit deny" at the end of an ACL and will result in a dropped packet.
E.
An ACL acts on all packets, those flowing thru the router and those originated by the router itself.
F.
An ACL will be processed from top to bottom and may have multiple matches that will act on the packet that is being tested.
【判断题】“不是一番寒彻骨,怎得梅花扑鼻香”。这句诗告诉我们事物的发展总体是前进的,但过程是曲折的。( )
【简答题】“不经一番寒彻骨,怎得梅花扑鼻香。”这句话意在说明_____。 A: 事物发展是曲折性和前进性的统一 B: 只有参加社会实践才能获得正确认识 C: 认识在实践中多次反复而无限发展 D: 事物的发展前途都是光明的
【单选题】如果直线相关系数r=1,则一定有______。
【多选题】Which two of these statements regarding RSTP are correct? (Choose two.)
A.
RSTP cannot operate with PVST+.
B.
RSTP defines new port roles.
C.
RSTP defines no new port states.
D.
RSTP is a proprietary implementation of IEEE 802.1D STP.
E.
RSTP is compatible with the original IEEE 802.1D STP.
【多选题】Refer to the exhibit. Which two of these statements are correct? (Choose two.)()
A.
PE11 originated label 20.
B.
PE11 originated label 21.
C.
ThePE11 upstream neighbor originated label 21.
D.
The PE11 downstream neighbor originated label 20.
E.
PE11 will append label 21 to incoming packets labeled 32.
F.
PE11 will impose label 20 on incoming packets labeled 32.