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

Hard disks have a motor and moving parts, solid state disks do not.

Solid state disks provide faster access to stored data than hard disks

Hard disks can fail due to physical damage, while solid state disks cannot fail.

Solid state disks can store many times as much data as hard disk drives.

/dev/sda is a hard disk device while /dev/ssda is a solid state disk.

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

In the PTR record for 165.100.51.198.in-addr.arpa.

In the A record for 165.100.51.198.ipv4.arpa.

In the RNAME record for 198-51-100-165.rev.arpa.

In the ARPA record for 165.100.51.198.rev.

In the REV record for arpa.in-addr.198.51.100.165.

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