Question 1:
What is boot process in Linux?
OR
Explain Boot Sequence in Linux?
1. BIOS
2. POST
| 1th boot
device is harddisk |
3. HDD
4. MBR
Boot Loader
Partition Table
Magic
Number
5.
SPLASH
6.
GRUB
7.
KERNEL
8.
INITRD
9.
FSTAB
10.
INITTAB
11. RC FILE
Question 2: What different
between SSH and Telnet?
SSH Telnet
Secure Not
Secured
Port
22 Port
23
Send
Data with Encryption Format Send Data on plan text
Used
a public key Authentication not use any key
Question 3:
What's different between HTTP and HTTPs?
HTTP HTTPs
HTTP (Hyper Text Transfer Protocol) HTTPs (Hyper Text Transfer Protocol Secure)
Work on Port 80 Work
on port 443
Use plan text for data transfer Use
encryption for data transfer
No certification required
HTTPs
need certification
Operates at application layer
Operate at
transport layer
Question 4:
what's Different between NFS And Samba ?
NFS SAMBA
NFS is a protocol | SAMBA is a program that provide SMB/CIFS (Server Message Block / Common Internet File System) |
NFS work's only Linux Operation System | SAMBA work's both Linux and windows OS |
NFS port 2049 | SAMBA port 137:netbios, nmbd, 138:smbd, 139:netbios datagram and 445:smbd |
NFS Trust by default all and it's not used any authentication | SAMBA used authentication |
NFS provides UNIX file system | None Provide |
