单项选择题
Which frame field do error detection schemes view to perform their function?（）
A. ERR
B. Flag
C. FCS
D. MTU
E. MAC
F. PDU
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相关考题
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单项选择题
Which of one the following fields is contained within an IEEE Ethernet frame header?（）
A. source and destination MAC address
B. source MAC address and destination network address only
C. source and destination network address only
D. source network address and destination MAC address
E. source and destination MAC address and source and destination network address -
单项选择题
Which device enables a router serial interface to connect to the ISDN BRI?（）
A.NT2
B.NT1
C.TE
D.TA
E.TE1 -
多项选择题
What functions do routers perform in a network?（）
A. Packet Switching
B. Access Layer Security
C. Path Selection.
D. VLAN Membership Assignment.
E. Bridging between LAN segments.
F. Micro-segmentation of Broadcast Domains.
