Answer:
ABBB
Explanation:
The first bit is sent and read at the same time, and thus, it is "A".
The second bit is sent after 2 seconds, but the reader reads after each second. So, the second, third and fourth terms are all B.
Hence, the overall message is ABBB, and the above option is the correct answer. The others are showing five bits and thus, those options are not the correct ones.
Answer:
It means that it matches a to z in lowercase, 0 to 9 in digits and \ - in characters.
Explanation:
As In regular expressions such as [a-z] means that it will match between a to z in lower case.
In [0-9] means it will search from 0 to 9 in digits.
so
<em>[a-z0-9] means that it will match all from a to z in lowercase and 0 to 9 in digits.</em>
The answer to this question is 3,2,1
Answer:
DUAL - HOMED FIREWALL
Explanation:
Dual-home firewall refer to an Ethernet device that has more than one network interface that sits between an untrusted network and trusted network in other to provide secure access.
In dua homed firewall one connection is an internal network and the second connection is to the Internet and works as firewall provided in which there is no direct IP traffic between the Internet and the internal network. In such a case, all Internet applications are run only on the dual-homed host.
