查看远端网络是否可用，具体命令为：（）。

A . Ping B . ipconfig C . dir D . nbtstat

A . ping B . init C . telnet D . netstat

A . 计算机上执行netstat -n B . telnet到网元上route print C . telnet到网元上if -a D . ftp到网元lsnetwa

A . show ospf B . show ospf neighbor C . show router ospf D . show router ospf neighbor

A . MMC B . IPCONFIG C . MSCONFIG D . PING

A . 正确 B . 错误

A、display ap online all B、display ap all C、display ap-type all D、dispay ap-run-info all

A . display ospf neighbor B . display ospf brief C . display ospf peer D . display ospf interface

A . ewfmgr c： B . ewfmgr c：-enable C . ewfmgr c：-disbale D . ping IP

A . Show ip route B . Show ip interface C . Show access-list D . Show access-grou

A . ipconfig/all B . ping C . tracert D . nslookup

A . DISPGEN B . DISPGENCPMP C . LISTFILE D . TRANSFILE

A . EXCLP B . ALEXP C . EXEGP D . DPWSP

A . display acl config all B . display access-list all C . display ip access-list all D . display access-list link

A．show mac gpon-onu_1/4/1:64 B．show run C．show mac vlan 1011 D．show gpon onu uncfg

A．top B．ip a C．x86info D．ifconfig

对 错

A．ps -efgrep sshd、ps -efgrep telnet、netstat -angrep 22 B．/etc/passwd C．service audit status D．rpm -qagrep path 此题为多项选择题。

对 错

A．ping B．ipconfig C．tracert D．nslookup

A．showipospfborder-router B．showipospfdatabase C．showipospfneighbor D．showipospfinterface