What the five men finally do with the cows?
A.They chased and drove the cows away.
B.They continued beating the cows.
C.They gave up the defense and ran away.
D.They gave in and fed the cows.
第1题
A.to uniquely identify devices at Layer 2
B.to allow communication with devices on a different network
C.to differentiate a Layer 2 frame from a Layer 3 packet
D.to establish a priority system to determine which device gets to transmit first
E.to allow communication between different devices on the same network
F.to allow detection of a remote device when its physical address is unknown
第2题
What are the two purposes of sleeping?
There are two purposes of sleeping: physical rest and ______rest.
第3题
A.LEX
B.HDLC
C.GFP-F
D.PPP/BCP
第4题
A. to perform a label push operation
B. to track the status of signaled LSPs
C. to perform longest-match route lookups
D. to reserve resources, such as labels and path information
第6题
A. Gigabit Ethernet
B. SONET/SDH
C. Aggregated Ethernet
D. GRE
第7题
A. SONET/SDH
B. Gigabit Ethernet
C. Aggregated Ethernet
D. GRE
第9题
What is the IEEE standard associated with Gigabit Ethernet? (Select two answer choices)
A. 802.11
B. 802.5
C. 802.3ab
D. 802.3ae
E. 802.3z
F. 802.3u
第10题
What does the author NOT perceive as a weakness of the Kyoto Protocol?
A.Its underlying theory and plans for achieving goals.
B.Its short-sighted nature.
C.The lack of equity in the terms assigned to developed and developing nations.
D.International compliance with its provisions.
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