● Traditional Internet access methods like dial-up were so slow that host computers wereconnected to the dial-up (71) at the customer premise over slow (72) ports. PPP wasdesigned to run directly over these serial links. But with the advent of broadband Internet (73)technologies such as ADSL and cable modems there has been a considerable increase in thebandwidth delivered to the end users. This means that the host computers at the customerpremise connect to the (74) or cable "modem" over a much faster medium such as Ethernet.It also means that multiple (75) can connect to the Internet through the same connection.
第1题:
若要在文本型字段执行全文搜索,查找“Access”字符串,则下列条件表达式正确的是( )。
A.Like "Access"’
B.Like"*Access"
C.Like"Access*"
D.Like"*Access*"
第2题:
以下 ACL 语句中,含义为“允许 172.168.0.0/24 网段所有 PC 访问 10.1.0.10 中的FTP 服务”的是(42) 。
A.access-list 101 deny tcp 172.168.0.0 0.0.0.255 host 10.1.0.10 eq ftp
B.access-list 101 permit tcp 172.168.0.0 0.0.0.255 host 10.1.0.10 eq ftp
C.access-list 101 deny tcp host 10.1.0.10 172.168.0.0 0.0.0.255 eq ftp
D.access-list 101 permit tcp host 10.1.0.10 172.168.0.0 0.0.0.255 eq ftp
第3题:
以下 ACL语句 中,含义为 “允许 172.168.0.0/24 网段所有 PC访问 10.1.0.10 中的 FTP服务” 的是 () 。
A.access-list 101 deny tcp 172.168.0.0 0.0.0.255 host 10.1.0.10 eq ftp
B.access-list 101 permit tcp 172.168.0.0 0.0.0.255 host 10.1.0.10 eq ftp
C.access-list 101 deny tcp host 10.1.0.10 172.168.0.0 0.0.0.255 eq ftp
D.access-list 101 permit tcp host 10.1.0.10 172.168.0.0 0.0.0.255 eq ftp
第4题:
若Access数据表中有姓名为“李建华”的记录,下列无法查出“李建华”的表达式是( )。
A.Like”华”
B.Like”*华”
C.Like”*华*”
D.Like”??华”
第5题:
若要在文本型字段执行全文搜索,查找“Access”字符串,则下列条件表达式正确的是( )。
A.Like"Access"
B.Like"Access"
C.Like"Access*"
D.Like"*Access*"
第6题:
4、以下 ACL语句 中,含义为 “允许 172.168.0.0/24 网段所有 PC访问 10.1.0.10 中的 FTP服务” 的是 () 。
A.access-list 101 deny tcp 172.168.0.0 0.0.0.255 host 10.1.0.10 eq ftp
B.access-list 101 permit tcp 172.168.0.0 0.0.0.255 host 10.1.0.10 eq ftp
C.access-list 101 deny tcp host 10.1.0.10 172.168.0.0 0.0.0.255 eq ftp
D.access-list 101 permit tcp host 10.1.0.10 172.168.0.0 0.0.0.255 eq ftp