What are the differences between hard disk drives and solid state disks? (Choose two correct answers.)

1. A. Hard disks have a motor and moving parts, solid state disks do not.
2. B. Hard disks can fail due to physical damage, while solid state disks cannot fail.
3. C. Solid state disks can store many times as much data as hard disk drives.
4. D. /dev/sda is a hard disk device while /dev/ssda is a solid state disk.
5. E. Solid state disks provide faster access to stored data than hard disks.

Correct Answer: AE

Which of the following programs are web servers? (Choose two.)

1. A. Apache HTTPD
2. B. Postfix
3. C. Curl
4. D. Dovecot
5. E. NGINX

Correct Answer: AE

A directory contains the following three files:
texts 1.txt
texts 2.txt
texts 3.csv
Which command copies the two files ending in .txt to the /tmp/ directory?

1. A. cp ??.txt /tmp/
2. B. cp *.txt /tmp/
3. C. c
4. D. \.txt /tmp/
5. E. cp ?.txt /tmp/
6. F. cp $?.txt /tmp/

Correct Answer: B

What information is stored in /etc/passwd? (Choose three correct answers.)

1. A. The user’s storage space limit
2. B. The numerical user ID
3. C. The username
4. D. The encrypted password
5. E. The user\s default shell

Correct Answer: BCD

Reverse DNS assigns hostnames to IP addresses. How is the name of the IP address 198.51.100.165 stored on a DNS server?

1. A. In the A record for 165.100.51.198.ipv4.arpA.
2. B. In the PTR record for 165.100.51.198.in-addr.arpA.
3. C. In the RNAME record for 198-51-100-165.rev.arpA.
4. D. In the ARPA record for 165.100.51.198.rev.
5. E. In the REV record for arpA.in-addr.198.51.100.165.

Correct Answer: B