Words of old English were full of endings.()
第1题:
The Ezonexam LAN is upgrading all devices to operate in full duplex. Which statement is true about full-duplex Ethernet in comparison to half-duplex Ethernet?
A.Full-duplex Ethernet uses two wires to send and receive. Half-duplex Ethernet uses one wire to send and receive
B.Full-duplex Ethernet consists of a shared cable segment. Half-duplex Ethernet provides a point-to-point link
C.Full-duplex Ethernet can provide higher throughout than can half-duplex Ethernet of the same bandwidth
D.Full-duplex Ethernet uses a loopback circuit to detect collisions. Half-duplex ethernet uses a jam signal
E.None of the above
第2题:
A、round/ old/ rosewood
B、rosewood/ old/ round
C、old/ round/ rosewood
D、old/ rosewood/ round
第3题:
A.full=0
B.full>1
C.full<1
D.full=1
答案:A
解析:生产者运行的同时,消费者也在运行,因为是full=0,导致消费者对full的p操作被阻塞,此时消费者的执行就被阻塞。
第4题:
第5题:
A、English和Engl_ish
B、English和ENGLISH
C、English和Engl
D、English和England
第6题:
A、were/were
B、was/is
C、were/was
D、was/were
第7题:
A.CONNECT
B.IMP_FULL_DATABASE
C.FULL_EXPORT_PRIVS
D.RESOURCE
E.FULL_IMPORT_PRIVS
第8题:
You want to upgrade the Ezonexam LAN so that all ports operate in full duplex mode. Which statement is true about full-duplex Ethernet when comparing to half-duplex Ethernet?
A.Full-duplex Ethernet consists of a shared cable segment. Half-duplex provides a point-to-point link
B.Full-duplex Ethernet uses two wires to send and receive. Half-duplex Ethernet uses one wire to send and receive
C.Full-duplex Ethernet can provide higher throughput than can half-duplex Ethernet of the same bandwidth
D.Full-duplex Ethernet uses a loopback circuit to detect collisions. Half-duplex Ethernet uses a jam signal
E.None of the above
第9题:
第10题:
配置SELinux选项永久起效的命令是()。
A.setsebool -p ftpd_full_access on
B.setsebool -P ftpd_full_access on
C.SELinux -P ftpd_full_access on
D.SELinux -p ftpd_full_access on