单选题Users complain they cannot communicate with a server.  The system administrator suspects there may be a problem with the Ethernet adapter or with the way it is configured.  Which command can be run to verify the adapter is configured correctly？（）A nets

第1题：

An administrator replaces the network card in a web server. After replacing the network card some users can access the server but others cannot.  Which of the following is the FIRST thing the administrator should check？（）

• A、 Default gateway
• B、 The ports on the switch
• C、 Port security on the servers switch port
• D、 Ethernet cable

第2题：

After rebuilding the list of virtual devices used by the VIO server using the "cfgdev" command， which command would be run to verify that a newly configured virtual SCSI adapter is available？（）

• A、lsdev -virtual
• B、lsdev -Cs scsi
• C、lscfg -vl
• D、lsdev -adapter

第3题：

A system administrator just completed an AIX installation but suspects that not all filesets installed completely. Which command should be run to verify that all filesets are completely installed？（）

• A、installp
• B、lslpp
• C、lppchk
• D、oslevel

第4题：

Users complain they cannot communicate with a server.  The system administrator suspects there may be a problem with the Ethernet adapter or with the way it is configured.  Which command can be run to verify the adapter is configured correctly？（）

• A、netstat -in
• B、ifconfig -a
• C、arp -a
• D、cfgmgr

第5题：

After making changes to IP aliasing and rebooting the system， an AIX server is unable to communicate with other hosts.  Which command can be run to check ent0 adapter configuration relative to IP address and network mask？（）

• A、ifconfig -a
• B、errpt -a
• C、cfgmgr -v
• D、entstat -d ent0

第6题：

The latest SCSI adaptor card is purchased from a vendor. Drivers for the operating system cannot be obtained. The SCSI adapter card is added to an existing server. Upon booting， the operating system does not detect the card. Which of the following is the MOST likely cause of the problem？（）

• A、 The SCSI card is not seated correctly.
• B、 The termination is incorrectly set on the SCSI card.
• C、 The SCSI card is not listed on the operating system HCL （Hardware Compatibility List）.
• D、 Operating system patches were not updated before installing the card.

第7题：

Which command can a system administrator use to verify that a tape is in backup format and is readable by the system？（）

• A、tar
• B、tctl
• C、tcopy
• D、restore

第8题：

Which of the following options applies to virtual Ethernet devices（）

• A、A virtual Ethernet adapter can only connect to other partitions within the same system.
• B、A virtual Ethernet  adapter needs  to be connected to an external VLAN  capable switch to be able to communicate with other partitions on the same system.
• C、A partition can support an unlimited number of virtual Ethernet devices.
• D、A virtual Ethernet adapter in the VIO Server that is part of a SEA should not have the "trunk flag" set

第9题：

An administrator issued a command to update thefirmware of an Ethernet adapter on a partitioned system, but received an error. What is the most likely cause of the problem?（）

• A、The adapter must be taken offline prior to the firmware update.
• B、The system has not been rebooted since the adapter was added to the LPAR.
• C、The adapter must be assigned to the service partition prior to updating the firmware.
• D、The adapter must be dynamically removed from the LPAR prior to updating thefirmware.

第10题：

A system administrator is monitoring a system that has recently shown a decrease in performance. The administrator suspects there is an overload of traffic on a single Ethernet adapter. Which of the following commands is best to identify a possible overload of the Ethernet adapter？（）

• A、ping
• B、iostat
• C、netstat
• D、ifconfig