Blog

Repeater operates in which layer of the OSI model?

Match the following with the most accurate description. No responses should be used more than once.

A virus differs from a worm in that a virus needs a program to be a ‘carrier’ in order for it to spread, but a worm does not.

IPv4 has 32-bit addresses. In contrast, IPv6 has ______ – bit addresses thus allowing for significantly more usable addresses.

What is the size of Host bits in Class B of IP address?

Assume GMU internet addresses can be expressed as 129.174/16. How many bits are available for network addresses? How many bits are available for host addresses?

The essential properties of a RAID installation include: (Select all that apply.)

Open source software is not licensed so that anyone may use and/or modify it.

Our organization adheres to a rigid data backup schedule. All files are backed up every Sunday at 1AM (a full backup). Every other day of the week (Mon-Sat) an incremental backup is completed at 1AM. The systems fails at 9AM on Tuesday. In order to recover the maximum amount of lost data the recovery process should proceed as follows. List which backups should be restored, in order by inserting a consecutive number starting with 1 for the first backup to be restored followed by 2 for the second and so on. Do not leave any answer blank. Insert “N/A” next to any item that is not needed / not used.SundayMonday Tuesday Wednesday Thursday Friday Saturday What data will be lost, if any?

Briefly explain how “Stop & Wait” manages the transmission of frames from sender to receiver.