Firewalls are connected with a network device which blocks untrusted network forming a barrier in between trusted and un-trusted network.
<span>If a user name can have seven letters (with no distinction between upper and lower case), and if a letter can be repeated, then the maximum number of names is 26x26x26x26x26x26x26, or 8,031,810,176. That is, slightly more than eight billion names are possible.</span>
Answer:
c.
Explanation:
People trust open-source software - if they can see how it works and understand it, they can help improve it and build applications using it. If these protocols were not publicly available - then nobody would have implemented services using them - so nobody would be adopting it.
Answer:
C) both a and b
Explanation:
13) The domain name system ________.
A) is a way to find a host's IP addresses if your computer only knows the host's host name
B) is a general naming system for the Internet
C) both A and B
D) neither A nor B
Answer:
A compilation error will occur.
Explanation:
The % operator does not accept a float as its right-hand operand.
