최신 1z1-106 무료덤프 - Oracle Linux 8 Advanced System Administration

문제1

Which three statements are true about the journalctl command?

A. journalctl -k shows kernel logs since the last boot.

B. journalctl -p notice..warning shows all messages from notice to warning log level since the last boot.

C. journalctl -bl -p err fails if journal persistence is not configured.

D. journalctl -p 6 shows all info log level messages and above.

E. journalctl -p err shows only error log level.

정답: A,D,E

설명: (DumpTOP 회원만 볼 수 있음)

문제2

Which two statements are true about the proc and sys file systems?

A. sys contains a list of mounted devices.

B. proc contains a list of network drivers.

C. proc contains information about memory and CPUs.

D. sys contains a list of running processes.

E. sys contains information about memory and CPUs.

정답: C,E

설명: (DumpTOP 회원만 볼 수 있음)

문제3

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?

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

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

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

D. 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

E. icmp6 UNCONN 0 0 *:58 *:*

정답: A,D

설명: (DumpTOP 회원만 볼 수 있음)

문제4

Which two are true about using Ksplice?

A. Yum cannot upgrade a kernel patched by Ksplice

B. Ksplice can be used without a network connection

C. It can patch the kernel without shutting down the system.

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

E. The Ksplice client is freely available to all customers.

정답: B,C

설명: (DumpTOP 회원만 볼 수 있음)

문제5

Examine the access privileges on this directory:
drwx------ 2 user1 test 4096 Nov 6 10:12 my_directory/
You must enable another user to read and navigate to my_directory. Which command will do this?

A. setfacl --default --modify user:user2:rw- my_directory

B. setfacl --modify user:user2:r-x my_directory

C. setfacl -x user:user2 my_directory

D. setfacl --modify user:user2:r-- my_directory

E. setfacl --modify group:test:r-- my_directory

정답: B

설명: (DumpTOP 회원만 볼 수 있음)

문제6

Which two statements are true about control groups (cgroups) in Oracle Linux 8?

A. Cgroups allow processes to be organized into hierarchical groups whose resource usage cannot be limited and monitored.

B. Different controllers from cgroups version 1 and cgroups version 2 cannot be used at the same time.

C. Oracle Linux 8 implements cgroups v2 by default.

D. A cgroup is a collection of processes bound to a set of limits or parameters defined in the cgroups filesystem.

E. The cgroups filesystem allows limits to be overwritten in the lower levels of the hierarchy.

정답: C,D

설명: (DumpTOP 회원만 볼 수 있음)

최신 1z1-106 무료덤프 - Oracle Linux 8 Advanced System Administration

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