单选题

A user cannot save large files to a directory on a Linux server that was accepting smaller files a few minutes ago. Which of the following commands should a technician use to identify the issue?

A、

pvdisplay

B、

mount

C、

df -h
 

D、

fdisk -l

E、
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相关试题

单选题 Which of the following describes the installation of an OS contained entirely within another OS installation?

A、

Host

B、

Bridge

C、

Hypervisor

D、

Guest

单选题 A backup application is copying only changed files each line it runs. During a restore, however, only a single file is used. Which of the following backup methods does this describe?

A、

Open file

B、

Synthetic full

C、

Full Incremental

D、

Full differential

单选题 Which of the following technologies would allow an administrator to build a software RAID on a Windows server?

A、

Logical volume management
 

B、

Dynamic disk

C、

GPT

D、

UEFI

单选题 A global organization keeps personnel application servers that are local to each country. However, a security audit shows these application servers are accessible from sites in other countries. Which of the following hardening techniques should the organization use to restrict access to only sites that are in the same country?

A、

Configure a firewall

B、

Close the unneeded ports

C、

Install a HIDS

D、

Disable unneeded services.

单选题 A technician runs top on a dual-core server and notes the following conditions:


top –- 14:32:27, 364 days, 14 usersload average 60.5 12.4 13.6 Which of the following actions should the administrator take?


A、

Schedule a mandatory reboot of the server

B、

Wait for the load average to come back down on its own

C、

Identify the runaway process or processes

D、

Request that users log off the server

单选题 Which of the following can be used to map a network drive to a user profile?

A、

System service

B、

Network service

C、

Login script

D、

Kickstart script

单选题 An administrator needs to disable root login over SSH. Which of the following tiles should be edited to complete this task?

A、

/root.ssh/sshd/config

B、

/etc.ssh/sshd_config

C、

/root/.ssh/ssh_config

D、

/etc.sshs_shd_config

单选题 Which of the following is an example of load balancing?

A、

Round robin

B、

Active-active

C、

Active-passive

D、

Failover