Q1: Which command is used to display a list of deleted files that DOS can undelete?
- a) undelete *.*
- b) undelete/all
- c) undelete/list
- b) all
Q2: Which DOS driver is used to emulate expanded memory?
- a) himem.sys
- b) emm386.exe
- c) mem386.sys
- d) RAMdrive.sys
Q3: Which company developed the Unix Operating System?
- a) IBM
- b) Microsoft
- c) Sun
- d) ATT
Q4: Which of the following program effectively increases the disk drive’s storage capacity?
- a) drive space
- b) defragmentation
- c) scandisk
- d) all
Q5: Virus infection via a file attachment is an example of which type of network intrusion?
- a) IP spoofing
- b) man in the middle attack
- c) denial of service attacks
- d) application layer attacks
