2022计算机计算机四级历年考试试题集锦(1AD)

1. [单选题]下列不属于宽带城域网QaS保证技术的是

A. RSVP
B. DoffServ
C. MPLS
D. WIMAY

2. [单选题]Fast Ethernet自动协商过程要求在______内完成。

A. 50ms
B. 100ms
C. 500ms
D. 1000ms

3. [单选题]下列路由表中错误的路由表项是

A. C 212.112.7.0/24 is directly connected,212.117.7.1
B. S 167.105.125.128 [1/0] via 202.112.7.1
C. O 222.29.2.0/24 [110/3] via 162.105.1.145,00:13:43,Vlan1
D. OE1 202.37.140.0/28 [110/22] via 162.105.1.145,00:13:43,Vlan

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