在CSMA/CD传输控制方式中,冲突次数多的一个帧,其发送的优先程度(28)。在DQDB协议中,一个站点得到一个空时槽时,它可以使用或放过,这是通过(29)。
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GLOBAL AIRLINES POLICY STATEMENT
Baggage
Each passenger may carry two items onto the plane: one small suitcase and one personal item. The personal item may be a purse, laptop computer, or briefcase.
The items should fit under the seat in front of you or in the overhead bin. These bins fill quickly, so in case of overload, the flight attendant may place your suitcase in the back of the plane.
In addition (144) the two carry-on items, each passenger may check two suitcases to be transported in the airplane's luggage compartment. These suitcases must meet the airline's size limits, (145) baggage charges apply to oversized and additional pieces. These charges must be paid at the time of check-in.
Please (146) a customer service representative if you have questions about this policy.
(44)
A. of
B. to
C. with
D. from
A.httpdB.init0C.intedD.init 6
A. httpd
B. init0
C. inted
D. init 6
A.route add-net 202.114.100.0/24 gw 10.1.1.1B.route add-net 202.114.100.0/24 gw 10.1.1
A. route add-net 202.114.100.0/24 gw 10.1.1.1
B. route add-net 202.114.100.0/24 gw 10.1.1.2
C. route add-net 202.114.100.0/24 gw 10.1.1.2 echo "1" >/proc/sys/net/ipv4/ip_forward
D. route add-net 202.114.110.0/24 gw 10.1.1.1; echo "1" >/proc/sys/net/ipv4/ip_forward
A.两子系统同时同步运行,当联机子系统出错时,退出服务,由备份系统接替B.备份系统处于电源开
A. 两子系统同时同步运行,当联机子系统出错时,退出服务,由备份系统接替
B. 备份系统处于电源开机状态,一旦联机子系统出错,立即切换到备份系统
C. 两子系统交替处于工作和自检状态,当发现一子系统出错时,它不再交替到工作状态
D. 两子系统并行工作,提高机器速度,一旦一个子系统出错,放弃并行工作