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单选题
Which ports must be left open if an administrator plans to perform Dynamic LPAR operations？（）
A
port 21（ftp）：tcp and port 657（rmc）：tcp
B
port 22（ssh）：tcp and port 657（rmc）：udp
C
port 657（rmc）：tcp and port 657（rmc）：udp
D
port 161（snmp）：tcp and port 161（snmp）：udp
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更多 “单选题Which ports must be left open if an administrator plans to perform Dynamic LPAR operations？（）A port 21（ftp）：tcp and port 657（rmc）：tcpB port 22（ssh）：tcp and port 657（rmc）：udpC port 657（rmc）：tcp and port 657（rmc）：udpD port 161（snmp）：tcp and port 161（snmp）：udp” 相关考题
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考题
Which ports must be left open if an administrator plans to perform Dynamic LPAR operations？（）A、 port 21（ftp）：tcp and port 657（rmc）：tcpB、 port 22（ssh）：tcp and port 657（rmc）：udpC、 port 657（rmc）：tcp and port 657（rmc）：udpD、 port 161（snmp）：tcp and port 161（snmp）：udp
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考题
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考题
单选题An administrator needs to review the open ports on a host. Which of the following commands should they use？（）A
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考题
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考题
单选题Which type of firewall is needed to open appropriate UDP ports required for RTP streams？（）A
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考题
多选题Which of the following components must be elected before the Spanning Tree Protocol can converge in a switched LAN?（）Adesignated ports.Bduplex operating mode.Cfast mode ports.Droot bridge.Eroot ports.FBDPU priority.
考题
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单选题A network administrator has configured source NAT, translating to an address that is on a locally connected subnet.The administrator sees the translation working, but traffic does not appear to come back. What is causing the problem?（）A
The host needs to open the telnet port.B
The host needs a route for the translated address.C
The administrator must use a proxy-arp policy for the translated address.D
The administrator must use a security policy, which will allow communication between the zones.
考题
单选题Which of the following ports MUST be open on the firewall to allow remote desktop connection and remote assistance traffic through？（）A
21B
443C
3389D
8080
考题
多选题A network administrator has configured access list 172 to prevent Telnet and ICMP traffic from reaching a server with the address if 192.168.13.26. Which command can the administrator issue to verify that the access list is working properly?（）ARouter# ping 192.168.13.26BRouter# debug access-list 172CRouter# show open ports 192.168.13.26DRouter# show access-listERouter# show ip interface
考题
单选题RMAN enables you to open the target database when it is already mounted. Which command must you execute at the RMAN prompt to open the database？（）A
’SQL ALTER DATABASE OPEN’；B
SQL ALTER DATABASE ’OPEN’；C
OPEN DATABASE；D
DATABASE OPEN
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