1Z0-106 PDF問題集で2025年02月23日最近更新された問題 [Q17-Q40]

17、Examine the contents of the /etc/exports file on an NFS server:
/status *(rw,async)
/usr/shared/tools *(all-squash,anonuid=501,anongid=501,ro)
/projects/big *(ro) pteam(rw)
The NFS server exports /usr/shared/tools to NFS clients. Which statement is true?

All clients except those with a local 501 user can mount /usr/shared/tools read-only.

All clients can mount /usr/shared/tools read-only and NFS explicitly maps all requests to the UID and GID of the privileged local 501 user.

All clients can mount /usr/shared/tools read-only and NFS explicitly maps all requests to the UID and GID of the unprivileged local 501 user.

All clients can mount /usr/shared/tools read-only and all-squash overrides explicit mapping of the UID and GID defined by anonuid and anongid.

All clients can mount /usr/shared/tools read-only and NFS ignores the directives defined by the anonuid and anongid options.

18、Which two are true about using Ksplice?

Ksplice can be used without a network connection

It can patch the kernel without shutting down the system.

Yum cannot upgrade a kernel patched by Ksplice

Ksplice has two clients; each can run in three different modes.

The Ksplice client is freely available to all customers.

19、Which two statements are true about fdisk?

It understands GPT, MBR, and HFS partition tables.

fdisk -l displays disk size information for all disks.

It can partition disks larger than 2 TB by using a GPT partition table.

It can divide logical devices into one or more block disks called partitions.

It cannot partition disks larger than 2 TB by using a GPT partition table.

20、Examine this command and output:
# cat deployment.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
name: nginx-deployment
spec:
selector:
matchLabels:
app: nginx
replicas: 2
template:
metadata:
labels:
app: nginx
spec:
containers:
– name: nginx
image: nginx:1.14.2
ports:
– containerPort: 80
Now examine this command which executes successfully:
$ kubectl create -f deployment.yaml
Which two statements are true?

The command creates and guarantees the availability of a specified number of identical pods.

The command creates a deployment named nginx.

The command creates a pod named nginx.

The command specifies port 80 as the port that the container exposes.

The command specifies nginx image version 1.14.2 and will fail if the image version is not available.

21、Examine this command, which executes successfully:
# nmcli con add con-name eth2 type ethernet ifname eth2 Ipv6.address 2804:14c:110:ab2f:c3lb:1212:7917:708a/64 Ipv6.gateway 2804:14c:110:ab2f::1003 Ipv4.address 192.168.0.5/24 ipv4.gateway 192.168.0.254 The eth2 connection does not exist. Which two statements are true?

Ethernet connection eth2 is created.

The configuration is saved in /etc/sysconfig/network.

A static IP address is assigned to the eth2 connection

It configures an automatic IPV6 address.

22、Examine this command, which executes successfully:
# nmcli con add con-name eth2 type ethernet ifname eth2 Ipv6.address 2804:14c:110:ab2f:c3lb:1212:7917:
708a/64 Ipv6.gateway 2804:14c:110:ab2f::1003 Ipv4.address 192.168.0.5/24 ipv4.gateway 192.168.0.254 The eth2 connection does not exist. Which two statements are true?

Ethernet connection eth2 is created.

The configuration is saved in /etc/sysconfig/network.

A static IP address is assigned to the eth2 connection

It configures an automatic IPV6 address.

23、You must add an additional swap device and you add this entry to /etc/fstab:
/.swapfile none swap defaults 0 0
Examine these commands and output:
# dd if=/dev/zero of=/.swapfile bs=1024 count=1048576
1048576+0 records in
1048576+0 records out
1073741824 bytes (1.1 GB, 1.0 GiB) copied, 4.32499 s, 248 MB/s
# swapon -a
swapon: /.swapfile: insecure permissions 0644, 0600 suggested.
swapon: /.swapfile: read swap header failed
Which two actions must you perform to add this swap device?

Initialize the .swapfile file by using the mkswap command.

Execute swapon -all.

Change defaults to user in the /etc/fstab entry.

Assign a label to the .swapfile file by using the swaplabel command.

Execute swapon -L swapfile /.swapfile after adding a label.

Use a physical disk partition type of 82 (Linux swap).

24、Examine this command:
$ podman run -name=oracleshell -it oraclelinux:8 -slim
Which two statements are true upon execution?

The container creates and starts an interactive shell.

The container named oracleshell must already exist; otherwise, the command fails.

The command fails if the oraclelinux:8 -slim image does not exist on the local machine.

The container is created and started in a single command.

The container is removed by typing exit at the bash shell prompt.

25、Examine this command:
# nft add rule inet filter input tcp dport 80 drop
Which two statements are true upon execution?

The rule is applied to both IPv4 and IPv6 packets.

The rule updates the configuration on disk.

All traffic inbound on port 80 is dropped.

The rule applies to the input table.

TCP packets inbound on port 80 are dropped.

TCP packets outbound on port 80 are dropped.

26、Examine these commands executed by root:
# mkdir -p /jail /jail/bin /jail/lib64
# cp $(which bash) /jail/bin/
# ldd $(which bash)
linux-vdso.so.1 (0x00007ffd574f5000)
libtinfo.so.6 => /lib64/libtinfo.so.6 (0x00007fb458c2c000)
libdl.so.2 => /lib64/libdl.so.2 (0x00007fb458a28000)
libc.so.6 => /lib64/libc.so.6 (0x00007fb458666000)
/lib64/ld-linux-x86-64.so.2 (0x00007fb459177000)
# cp /lib64/libtinfo.so.6 /jail/lib64/
# cp /lib64/libdl.so.2 /jail/lib64/
# cp /lib64/libc.so.6 /jail/lib64/
# cp /lib64/ld-linux-x86-64.so.2 /jail/lib64/
# chroot /jail
What is the output from the cd, pwd, and ls commands?

bash-4.4# cd
bash: cd: /root: No such file or directory
bash-4.4# pwd
/
bash-4.4# ls
bin lib64

bash-4.4# cd
bash: cd: /root: Unable to access chrooted file or directory /root
bash-4.4# pwd
/
bash-4.4# ls
bin lib64

bash-4.4# cd
bash: cd: /root: No such file or directory
bash-4.4# pwd
/root
bash-4.4# ls
bash: ls: command not found

bash-4.4# cd
bash: cd: command not found
bash-4.4# pwd
bash: pwd: command not found
bash-4.4# ls
bash: ls: command not found

27、Examine this content from /etc/chrony.conf:
…
pool pool.ntp.org offline
driftfile /var/lib/chrony/drift
keyfile /etc/chrony.keys
…
Which statement is true about pool.ntp.org?

chronyd polls a maximum of 3 sources from pool.ntp.org after it is enabled.

chronyd does not poll pool.ntp.org until it is enabled to do so by chronyd.

chronyd takes pool.ntp.org offline automatically when sending a request to the pool fails.

chronyd does not poll pool.ntp.org until it is enabled to do so by chronyc.

28、Which is true about the /etc/sysconfig directory in an Oracle Linux 8 system?

It is used to access device and device driver information.

Files in this directory hierarchy contain information about running processes.

Its contents depend on the packages installed on the system.

Files in this directory hierarchy contain information about system hardware.

29、Examine these commands executed by root:
# mkdir -p /jail /jail/bin /jail/lib64
# cp $(which bash) /jail/bin/
# ldd $(which bash)
linux-vdso.so.1 (0x00007ffd574f5000)
libtinfo.so.6 => /lib64/libtinfo.so.6 (0x00007fb458c2c000)
libdl.so.2 => /lib64/libdl.so.2 (0x00007fb458a28000)
libc.so.6 => /lib64/libc.so.6 (0x00007fb458666000)
/lib64/ld-linux-x86-64.so.2 (0x00007fb459177000)
# cp /lib64/libtinfo.so.6 /jail/lib64/
# cp /lib64/libdl.so.2 /jail/lib64/
# cp /lib64/libc.so.6 /jail/lib64/
# cp /lib64/ld-linux-x86-64.so.2 /jail/lib64/
# chroot /jail
What is the output from the cd, pwd, and ls commands?

bash-4.4# cd
bash: cd: /root: No such file or directory
bash-4.4# pwd
/
bash-4.4# ls
bin lib64

bash-4.4# cd
bash: cd: /root: Unable to access chrooted file or directory /root
bash-4.4# pwd
/
bash-4.4# ls
bin lib64

bash-4.4# cd
bash: cd: /root: No such file or directory
bash-4.4# pwd
/root
bash-4.4# ls
bash: ls: command not found

bash-4.4# cd
bash: cd: command not found
bash-4.4# pwd
bash: pwd: command not found
bash-4.4# ls
bash: ls: command not found

30、Which two are true about using Ksplice?

Ksplice can be used without a network connection

It can patch the kernel without shutting down the system.

Yum cannot upgrade a kernel patched by Ksplice

Ksplice has two clients; each can run in three different modes.

The Ksplice client is freely available to all customers.

31、As root you configured a file system using AutoFS with default settings. In the first session, you changed to a directory under AutoFS control. In a second session, you changed to /etc. Now the idle time for the session expires. Which two statements are true about the status of the file system mounted in the first session?

It remains mounted as long as the system is running.

It remains mounted until you log out from the first session.

It was unmounted from the first session when the timer expired.

It was unmounted when the second session began.

It remains mounted until you switch to a directory outside the current mount point.

32、Which two statements are true about systemd system and service manager?

systemd service units expose kernel devices and can be used to implement device-based activation.

systemd is the first process that starts after the system boots and is the final process left running before the system shuts down.

systemd is backward-compatible with the System V init scripts that were used in earlier versions of Oracle Linux.

systemd reads /etc/system to determine which services to start.

The service command is used to start and stop system service units.

33、The ss command was invoked with options to:
limit output to all listening and non-listening TCP ports
display ports instead of the protocols that typically use those ports
display all available internal TCP information
display only connections whose source or destination port is 80
Which two results are produced by the command?

UNCONN 0 0 [::1]:323 [::]:*

tcp CLOSE-WAIT 32 0 server.example.com:44732 12.21.0.15:https

ESTAB 0 0 10.12.18.92:50384 169.254.169.254:80 cubic wscale:9,7 rto:201 rtt: 0.226/0.113 ato:40 mss:8948 pmtu:9000 rcvmss:1728 advmss:8948 cwnd:10 bytes_sent:142 bytes_acked:143 bytes_received:1728 segs_out:4 segs_in:3 data_segs_out:1 data_segs_in:1 send 3167433628bps lastsnd:11351 lastrcv: 11351 lastack:11351 pacing_rate 6334867256bps delivery_rate 504112672bps delivered:2 app_limited rcv_space:62720 rcv_ssthresh:56588 minrtt:0.142

LISTEN 0 511 *:80 *:* cubic cwnd:10

icmp6 UNCONN 0 0 *:58 *:*

34、Which mdadm command creates a RAID-1 device consisting of two block volumes and one spare device?

mdadm -create /dev/md0 -level=5 -raid-devices=2 /dev/xvdd1 /dev/xvdd2 -spare-devices=1 /dev/xvdd3

mdadm -create /dev/md0 -level=1 -raid-devices=2 /dev/xvdd1 /dev/xvdd2

mdadm -create /dev/md0 -level=1 -raid-devices=2 /dev/xvdd1 /dev/xvdd2 -spare-devices=1 /dev/xvdd3

mdadm -create /dev/md0 -level=0 -raid-devices=2 /dev/xvdd1 /dev/xvdd2 -spare-devices=1 /dev/xvdd3

35、Examine this command:
$ podman run -name=oracleshell -it oraclelinux:8 -slim
Which two statements are true upon execution?

The container creates and starts an interactive shell.

The container named oracleshell must already exist; otherwise, the command fails.

The command fails if the oraclelinux:8 -slim image does not exist on the local machine.

The container is created and started in a single command.

The container is removed by typing exit at the bash shell prompt.

36、Examine this command:
# cryptsetup luksOpen /dev/xvdd1 cryptfs
What happens upon execution?

It creates the /dev/mapper/cryptfs device mapping file.

It creates the LUKS partition on /dev/xvdd1.

It creates the /dev/mapper/xvdd1 device mapping file.

It creates the /dev/mapper/xvdd1/cryptfs device mapping file.

It creates the /dev/mapper/xvdd1-cryptfs device mapping file.

37、Examine these requirements for a host with a user oracle:
* Network services must run in a confined domain.
* The oracle user must be confined.
* The oracle user must be able to use Mozilla Firefox.
* Access to files and directories must be granted based only on SELinux contexts.
* The SELinux configuration must be persistent across system restarts.
* Users must be able to publish private HTML content.
Now examine these commands and output:
# sestatus
SELinux status: enabled
SELinuxfs mount: /sys/fs/selinux
SELinux root directory: /etc/selinux
Loaded policy name: targeted
Current mode: permissive
Mode from config file: permissive
Policy MLS status: enabled
Policy deny_unknown status: allowed
Memory protection checking: actual (secure)
Max Kernel policy version: 31
# setenforce enforcing
# semanage login -a -s guest_u oracle
# setsebool -P http_enable_homedirs on
Which requirements are satisfied?

1, 2, 4, 5, 6

1, 2, 3, 4, 5, 6

1, 2, 3, 5, 6

1, 2, 6

1, 2, 4, 6

1, 2, 3, 6

38、Examine these commands and output:
# cat /etc/auto.master
/net -hosts
/- auto.direct ro
# cat /etc/auto.direct
/nfs1 host01:/export/share1
/nfs2 -sync host01:/export/share2
/nfs3 host02:/export/share3
Automounter must be used to mount these filesystems. Which mount options will it use?

/nfs1 and /nfs3 are mounted read-only, async while /nfs2 is mounted read-only, sync.

All three filesystems are mounted read-write, sync.

All three filesystems are mounted read-only, sync.

All three filesystems are mounted read-only, async.

/nfs1 and /nfs3 are mounted read-only, async while /nfs2 is mounted read-write, sync.

39、Which three are features of the btrfs file system?

Block devices mirroring

Copy-on-write metadata

Cluster file system

Efficient storage for small files

Online resizing

General-purpose volume manager

Automatic defragmentation

40、You must prevent Ksplice from reapplying updates at the next system reboot. Which two commands or parameters can do this?

uptrack-upgrade -n

nouptrack

uptrack-remove -all

uptrack=0

touch /etc/uptrack/disable

1Z0-106 PDF問題集で2025年02月23日最近更新された問題 [Q17-Q40]

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