Answer:
sed '/march/{d;}' birthdays.txt > result
.txt
Explanation:
sed syntax is basically:
<em>sed '/expression/{command;command;...;}' inputfile > outputfile</em>
- First, for the expression part, we use /march/ to match all lines containing that string.
- Then for the command part, we only use {d} command to delete every matching line found.
- The third part contains the input file to process, I have named it birthdays.txt, but it could have been any other file needed.
- Finally "> result
.txt" makes the script output to be saved into a file named result.txt
Answer:
B. 1730 PST
Explanation:
First it is important to know that the flight lasted for 2 hours and 15 minutes, hence the first thing to do in this case is to add the duration of flight to the time of departure.
Time of departure = 1615 MST
Flight duration = 2:15
Hence we get 18:30 MST
Then we convert MST to PST by subtracting 1
1830 -1.00 = 1730 PST
Answer: False
Explanation: Because fast-tracking doesn’t involve additional resources, it’s usually best to start with this technique while Crashing requires careful planning to prevent “panic mode” among the project crews and to avoid acceleration claims.
The above question has multiple choices as below
<span>A. Data links
B. The post office
C. Driving a car
D. A train
The answer is (B) The Post Office.
In layman’s terms, transport layer is similar to the post office functions of delivering parcels and letters at the agreed delivery deadlines. It also notices any dropped info and re-transmits it.
Just like the post office, the transport layer directs messages and information between specific end users. If by mistake you write a letter to the wrong person, the letter will be returned and the postal employee will stamp it as address unknown.
</span>
Answer:
Need to know
Explanation:
Need to know is a policy or predetermined criterion by which the requester of an information is granted access to the requested information only when a valid need is establish and not just because of his or her clearance, position, or rank.
