请问?

gameking123

Which of the following correctly describe steps in the OSI data encapsulation process? (Choose two.)
A. The transport layer divides a data stream into segments and may add reliability and flow control
information.
B. The data link layer adds physical source and destination addresses and an FCS to the segment.
' e1 Y6 O9 A$ M5 F3 X9 ?* N7 zC. Packets are created when the network layer encapsulates a frame with source and destination host
addresses and protocol-related control information.
; q* S" ^1 X* H/ H+ wD. Packets are created when the network layer adds Layer 3 addresses and control information to a segment.
5 [+ U+ B5 w5 o; l7 T; vE. The presentation layer translates bits into voltages for transmission across the physical link.
% a) C$ M4 l3 T  n/ R这答案是AD吗？
Refer to the exhibit. How many paths can the EIGRP routing process use to forward packets from HQ_Router to a neighbor router?
A. two equal-cost paths
; }6 b$ k: n( t7 ^. ?B. two unequal-cost paths
; |% s4 S5 D8 ?6 ~. S( B3 DC. three equal-cost paths
7 V, Y5 b* z* f6 a$ E' @: p5 qD. three unequal-cost paths
$ s( Q/ }9 h( E( g: eE. four equal-cost paths
F. four unequal-cost paths
这答案是F吗?图显示的最大等值路径为4

鸿鹄

图呢？