Answer / mrunal

MBR is Master Boot Record.
It is the first 512 bytes of active partition on an HDD.

To clear MBR I know of the foll command in linux
dd if=/dev/null of=/dev/hda1 bs=512 count=1

Answer / rajan bhargava

A master boot record (MBR) is a type of boot sector
popularized by the IBM Personal Computer.[1] It consists of
a sequence of 512 bytes located at the first sector of a
data storage device such as a hard disk. MBRs are usually
placed on storage devices intended for use with IBM
PC-compatible systems.

for clear MBR, do the following

Boot with the XP installation CD.

When prompted, press R to repair a Windows XP installation.

If repairing a host with multiple operating systems, select
the appropriate one (XP) from the menu. If you have only one
operating system, enter 1 to select it.

Enter the administrator password if prompted.

To fix the MBR, use the following command:

fixmbr

I am using solaris box, I need to delete a file from path /usr/tmp/ which r older than 24 hours?

0 Answers  

---

Explain 802.1Q header?.

0 Answers   HCL,

---

True or False: RJ-11 Connectors houses eight connections.

1 Answers  

---

Which command would shutdown the sendmail daemon ?

1 Answers  

---

How does ToS bit work?

1 Answers   EDS,

---

Explain how dynamic host configuration protocol aid in network administration?

0 Answers  

---

Which command will display the entire RAP table ?

1 Answers  

---

what is cmrr?

4 Answers   Mphasis,

---

what is the syntax to shut down a client system from the server

2 Answers  

---

Host A is giving some email to Host B to deliver to Host C. Host A, B, and C are all in different domains. Host B is ?

1 Answers  

---

VLSM stands for ?

1 Answers  

---

A subnet's mask is 255.255.255.192. How many nodes can this subnet have?

1 Answers  

---