During a recent network outage, the failover to the secondary DNS server was taking too long. The administrator found the RES_RETRY and RES_TIMEOUT values needed to be updated. Where are these values updated?
A. /etc/environment
B. /etc/security/limits
C. /etc/inetd.conf
D. /etc/rc.net
正解:A
質問 2:
The administrator cannot ping the hostname of any system on the local network, including LPARs in the same managed system that have virtual Ethernet adapters configured on the same subnet and VLAN. What is the most likely cause of this problem?
A. The routing table has been flushed on the host and the default route is no longer configured.
B. DNS is disabled and the /etc/hosts file on the host does not contain the addresses for the hostnames that are being pinged.
C. The Ethernet cable from the system to the switch is disconnected or faulty.
D. The Shared Ethernet Adapter in the Virtual I/O Server in the managed system has a problem and is not passing communication between virtual adapters and the network.
正解:B
質問 3:
An administrator needs to limit the size of the filesystem cache. Which tuning parameters need to be adjusted?
A. sb_min and sb_max
B. minfree and maxfree
C. minfreemem and maxfreemem
D. minpgahead and maxpgahead
E. minperm and maxperm
正解:A
質問 4:
New change control procedures dictate that system maintenance windows be shown to each user after logging into the system using ssh or telnet. Updating which file or files will accomplish this task?
A. The message of the day file
B. The user default attributes file
C. User and admin system alert files
D. The var daily message files
正解:A
質問 5:
Which AIX command will display the virtual SCSI slot number that is the parent of hdisk0?
A. Isattr
B. Ismap
C. Iscfg
D. Isdev
正解:C