IBM S2000-025 問題練習

Question No : 1
Which AIX command is useful for monitoring broad aspects of real-time workload processing?

• A.vmo -L
• B.iostat 5
• C.lparstat -i
• D.vmstat -IWwt 1

答えを確認する

正解:

Question No : 2
A system administrator is responsible for managing a network of AIX systems using NFS v3 for file sharing. A client reports that accessing files on the NFS-mounted directory is significantly slower than expected.
Upon investigation, they realize that the network traffic shows high latency and packet loss. They need to decide on an approach to optimize NFS performance given the observed network conditions.
Which step would they take to improve NFS v3 performance?

• A.Switch from UDP to TCP for NFS traffic
• B.Use a different file system instead of NFS for network file sharing
• C.Adjust the RPC protocol settings to reduce data conversion overhead
• D.Ensure that both client and server use the same XDR data type representation

答えを確認する

正解:

Question No : 3
What are the consequences of excessive paging in AIX? (Choose two)

• A.Decreased disk I/O
• B.Increased CPU utilization
• C.System slowdown
• D.Network congestion

答えを確認する

正解:

Question No : 4
When configuring an IP alias on an AIX system, which of the following statements are correct? (Choose two)

• A.An IP alias allows multiple IP addresses on a single network interface.
• B.IP aliases require separate network interfaces for each alias.
• C.ifconfig is used to add an alias with the alias parameter.
• D.IP aliases can be used for network interface backup purposes.

答えを確認する

正解:

Question No : 5
Which command would you use to set the sticky bit on a directory in AIX, ensuring that only the file owner can delete files within it?

• A.chmod +t
• B.chmod 1755
• C.chgrp sticky
• D.setfacl -m o:t

答えを確認する

正解:

Question No : 6
Which of the following scenarios typically indicates a CPU bottleneck in a system?

• A.High run queue length
• B.Low disk utilization
• C.High network throughput
• D.Frequent paging

答えを確認する

正解:

Question No : 7
In AIX, which command is used to list all configured devices?

• A.lsdev
• B.lsattr
• C.cfgmgr
• D.lspv

答えを確認する

正解:

Question No : 8
In LVM, what is the significance of a volume group 'VG'?

• A.It defines a pool of storage that can be allocated to logical volumes.
• B.It is a subdivision of a physical volume.
• C.It represents a backup copy of a logical volume.
• D.It is a caching layer for physical volumes.

答えを確認する

正解:

Question No : 9
How can you verify all the RPM packages installed on an AIX system for integrity?

• A.rpm -Va
• B.rpm -qa
• C.rpm -vl
• D.rpm -check

答えを確認する

正解:

Question No : 10
To disable a service managed by inetd in AIX, what action must be taken?

• A.Comment out the service in /etc/services.
• B.Comment out the service in /etc/inetd.conf and refresh inetd.
• C.Delete the service entry from /etc/inetd.conf.
• D.Use the chinet command to disable the service.

答えを確認する

正解:

Question No : 11
What does the 'mksysb' command do in AIX?

• A.Creates a system backup
• B.Restores a system backup
• C.Verifies the integrity of a system backup
• D.Creates a bootable backup

答えを確認する

正解:

Question No : 12
Why would an admin use Role-Based Access Control (RBAC) on an AIX system?

• A.Allows more detailed individual user access control
• B.Enables user updates and password management automatically
• C.Minimizes access to the root account by delegating specific administrative tasks based on roles
• D.Simplifies user management by assigning permissions directly to individual users rather than through roles

答えを確認する

正解:

Question No : 13
In AIX, there are a number of layers involved in writing data in a file system.
What is the correct order in which each layer communicates with the next one?

• A.Physical disk I/O -> Logical file system -> Virtual Memory Manager -> Logical Volume Manager
• B.Physical disk I/O -> Logical file system -> Logical Volume Manager -> Virtual Memory Manager
• C.Logical file system -> Virtual Memory Manager -> Logical Volume Manager -> Physical disk I/O
• D.Virtual Memory Manager -> Logical Volume Manager -> Logical file system -> Physical disk I/O

答えを確認する

正解:

Question No : 14
In the context of AIX, what are the implications of file permissions set to 'rws------'? (Choose two)

• A.The owner has read, write, and execute permissions.
• B.The file or directory is setuid.
• C.Group and others have no permissions.
• D.All users have read, write, and execute permissions.

答えを確認する

正解:

Question No : 15
Which file should you edit to change the default port (22) for SSH on an AIX system?

• A./etc/ssh/ssh_config
• B./etc/ssh/sshd_config
• C./usr/local/etc/ssh_config
• D./usr/local/etc/sshd_config

答えを確認する

正解: