Which command can be used to change the access permissions to a file?
a. ls
b. chmod
c. cd
d. cat
ANS: A
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If you determine a virus has struck a system, the first step is to _________
a. Scan and clean infected systems b. Log the incident c. Unplug the machines from the network d. Notify appropriate organization leaders
In question 4 above, your friend is having problems finding the bootmgr file and asks for your help. What is your best response?
a. Use diskpart commands to "unhide" and locate the file. b. Use the File Explorer options applet to unhide the hidden bootmgr file. c. Explain to your friend that performing a startup repair is a better option. d. Explain to your friend that he can use the bootrec command to fix the bootmgr file without having to copy another file to the computer.
What IPv4 protocol handles multicasting for tasks such as videoconferencing or teleconferencing??
A. ?ICMP B. ?ARP C. ?TCP D. IGMP?
Item A in the accompanying figure shows who is using the domain name Dylandove.com.
Answer the following statement true (T) or false (F)