Before running a script on CentOS 7, what command will you need to modify the scripts permission?
chmod
chperm
cp
if
chmod
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Which layer sits on top of the TCP/IP model?
A. Application B. Network C. Physical D. Transport
Describe factors that affect wireless network speeds.
What will be an ideal response?
What does the code in line 8 produce?
``` 1 string s, t; 2 s = “Get up and go to school!”; 3 t = “NO!”; 4 int n = s.size(); 5 int w = s.at(3); 6 int x = s.at(12); 7 s += t; 8 cout << s; ``` A. “Get up and go to school!” B. “NO!” C. “Get up and go to school!NO!” D. Nothing. That isn’t how you display strings.
A resident virus is a virus that ________.
a) infects a system and spreads over a network to other systems. b) infects the boot sector of a computer’s hard disk. c) enters a system hidden within a legitimate application. d) that operates until the computer is powered down.