更多"Which command should an administrat"的相关试题:
[单项选择]Which command should an administrator use to put a system in maintenance mode without rebooting?（）
A. init 0
B. telinit m
C. shutdown -FM
D. sh /etc/rc.maint
[单项选择]Which command will allow an administrator to view the primary and secondary dump devices?（）
A. sysdumpdev -l
B. dumpmgr -ALL
C. lsdev -Cc dump
D. diag -dump=show
[单项选择]Which command will enable the administrator toquery the current network adapter configuration?（）
A. netstat -v
B. entstat -d
C. lsattr -El
D. lsdev -C -attr
[单项选择]Which command helps a network administrator to manage memory by displaying flash memory andNVRAM utilization?（）
A. show secure
B. show file systems
C. show flash
D. show version
[单项选择]Which component should you use to reduce collision issues on a large LAN?（）
A. Host
B. Switch
C. Printer
D. Repeater
[单项选择]Which IGP should you use to achieve scalability in a large enterprise network using Juniperenterprise routers?（）
A. RIP
B. BGP
C. OSPF
D. EIGRP
[单项选择]Which clause should you use to exclude group results?（）
A. WHERE
B. HAVING
C. RESTRICT
D. GROUP BY
E. ORDER BY
[单项选择]Which command should you use to verify what networks are being routed by a given OSPF process（）
A. show ip ospf
B. show ip route
C. show ip protocol
D. show ip ospfdatabase
E. None of the other alternatives apply
[单项选择]Which SELECT statement should you use to extract the year from the system date and display it in the format "1998"? （）
A. SELECT TO_CHAR(SYSDATE,'yyyy') FROM dual;
B. SELECT TO_DATE(SYSDATE,'yyyy') FROM dual;
C. SELECT DECODE(SUBSTR(SYSDATE, 8), 'YYYY') FROM dual;
D. SELECT DECODE(SUBSTR(SYSDATE, 8), 'year') FROM dual;
E. SELECT TO_CHAR(SUBSTR(SYSDATE, 8,2),'yyyy') FROM dual;
[单项选择]In which of the following situations should we use the expression nowadays
A. We decide to avoid trouble or danger for the future.
B. We try to improve our English for better education.
C. We need to make a quick decision at the last moment.
D. We have to make a choice between success and failure.
