FIDIC合同条件中，工程师可从承包商应得的工程款内扣减给业主带来损失的款项的情况有()。

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

What are the two purposes of sleeping？

There are two purposes of sleeping: physical rest and ______rest.

A．LEX

B．HDLC

C．GFP-F

D．PPP/BCP

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

A. Gigabit Ethernet

B. SONET/SDH

C. Aggregated Ethernet

D. GRE

A. SONET/SDH

B. Gigabit Ethernet

C. Aggregated Ethernet

D. GRE

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

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.